 2X Oncology |
Merged into parent company, Oncology Venture |
| 3Scan |
Merged with Transcriptic, to become Strateos, Jun 2019 |
| 4SR Biosciences |
Merged with hC Bioscience, Jan 2023 |
| AAIPharma |
Merged with Cambridge Major Labs, renamed Alcami |
| Abacus Diagnostica |
Now part of Uniogen, Jan 2022 |
| Abeome |
Merged with Biophtha to become Lanier Biotherapeutics, Oct 2021 |
| Absolute Biotech |
Merged with Vector Laboratories, May 2024 |
| AbSorber |
Merged with Olerup, Jan 2017 |
| Accelovance |
Merged with Linical, took name, Jul 2018 |
| Acelyrin |
Merged into Alumis, May 2025 |
| AcroImmune |
Merged with OncoC4, Sep 2024 |
| Acuity Pharmaceuticals |
Merged with Froptix and eXegenics to become Opko Health Mar 2007 |
| Adamis Pharmaceuticals |
Merged with DMK Pharmaceutical, May 2023, took name |
| Adgero Biopharmaceuticals |
Merged into Delmar Pharmaceutical, Aug 2020 |
| AeenaDx |
Merged with NowDx, Apr 2023 |
| Aegerion Pharmaceuticals |
Aegerion operated as subsidiary of Novelion Therapeutics until declaring bankruptcy and being acquired by Amryt Pharma, May 2019; Merged with QLT, Nov 2016 |
| Aerovate Therapeutics |
Merged with Jade Biosciences, Apr 2025 |
| Aerpio Therapeutics |
Merged with Aadi Bioscience, Aug 2021 |
| Aeterna Zentaris |
Merged with Ceapro to become Cosciens Pharma, Jun 2024 |
| AgeX Therapeutics |
Merged with Serina Therapeutics, Mar 2024 |
| AGT Biosciences |
Merged into Chemgenex, Apr 2004 |
| Ajinomoto Althea |
Sold to PCI Pharma Services, Apr 2025; Merged with OmniChem to become Ajinomoto Bio-Pharma Services, Oct 2018 |
| Aldena Therapeutics |
Merged with other Medicxi companies to become Alys Pharmaceuticals, Feb 2024 |
| Alfama |
Merged into Proterris, May 2017 |
| Algos Pharmaceutical |
Merged into Endo, Jul 2000 |
| Allecure |
Merged with MiniMed and CTL Immunotherapies to become MannKind, 2001 |
| Allelix |
Merged with NPS |
| Alliqua Biomedical |
Reverse merged with Adynxx, May 2019, took name |
| Ally Pharma |
Merged out of life sciences, Dec 2014 |
| Altavant Sciences |
Merged with Enzyvant, Dec 2022 |
| Amarantus Diagnostics |
Merged into Avant Diagnostics, Mar 2016 |
| Amniox Medical |
Folded into BioTissue |
| AmpliPhi Biosciences |
Merged with C3J Therapeutics, May 2019 to become Armata Pharmaceuticals |
| Anchiano Therapeutics |
Merged with Chemomab, Mar 2021; fka BioCanCell; discontinued failed phase 2 gene therapy product to focus on small molecule pipeline Nov 2019 |
| Anesta |
Merged with Cephalon, Oct 2000 |
| Annapurna |
Merged into Avalanche Biotechnologies, Feb 2016, Renamed Adverum Biotechnologies |
| Antegrin Therapeutics |
Merged with Cascadia Therapeutics to become Indalo Therapeutics, Oct 2016 |
| Aoxing Pharmaceutical |
Merged with Cyclo Therapeutics, Sep 2023 |
| Applied Molecular Transport |
Merged with Cyclo Therapeutics, Sep 2023 |
| Apricus Biosciences |
Merged with Seelos Therapeutics, Jan 2019 - will change name to Seelos |
| Apthera |
Merged with Rxi Pharmaceuticals |
| Arc Bio (1) |
Merged with Dovetail Genomics to become Cantata Bio, Jun 2022 |
| Arcion Therapeutics |
Merged into Anesiva, Aug 2009 |
| Arginetix |
Merged with Immune Control to become Corridor Pharmaceuticals, Jun 2010 |
| Argonaut Therapeutics |
Merged with Celleron Therapeutics, Jan 2023, to become InegneOx Therapeutics |
| ARIAD Gene Therapeutics |
Merged into ARIAD, Sep 2008 |
| Ariston Pharmaceuticals |
Merged into Manhattan Pharmaceuticals, Mar 2010 |
| Armetheon |
Merged with Espero Pharma, Mar 2017 |
| Arteriocyte |
Merged with ISTA Technologies to become ISTO Biologics, Oct 2016 |
| Arxx Therapeutics |
Merged with Oxitope to become Calluna, Jan 2024 |
| Aspire Therapeutics |
Merged with Covalution Bioscience to become Acerta Pharma |
| Assembly Pharmaceuticals |
Merged with Ventrus Biosciences, Jul 2014 to become Assembly Biosciences |
| Astra |
Merged with Zeneca to form AstraZeneca 1998 |
| Asubio |
Merged into Daiichi Sankyo, closing down Feb 2017 |
| Ataxion |
Merged into Luc Therapeutics, Mar 2017 |
| Athenagen |
Merged with Zapaq to become CoMentis, Aug 2006 |
| ATVIO Biotech |
Merged with Orgenesis Biotech |
| AusTrials |
Now Momentum Clinical Research after Merger, Mar 2024 |
| Avalanche Biotechnologies |
Merged with Annapurna, Feb 2016, Renamed Adverum Biotechnologies |
| Avant Immunotherapeutics |
Merged with Celldex |
| Aventis |
Merged with Sanofi-Synthelabo, Apr 2004; Formed in 1999 when Rhône-Poulenc merged with Hoechst Marion Roussel |
| AVROBIO |
Merged with Tectonic Therapeutics, Jun 2024 |
| Axeq Technologies |
Created by Macrogen, Brought back into Macrogen, 2016 |
| Axiogenesis |
Merged with Plurinomics to form Ncardia, Sep 2017 |
| Axonyx |
Merged with TorreyPines Therapeutics, Jun 2006 |
| Ayerst Labs |
Merged with Wyeth 1943 |
| AzurRx |
Merged into First Wave Bio |
| Bacainn Therapeutics |
Now part of Adiso Therapeutics |
| Beckley Psytech |
Merged with ATAI Life Sciences, Nov 2025, became AtaiBeckley; fka Beckley Psychadelics |
| BerGenBio |
Merged with Oncoinvent, Oct 2025 to become OncoInvent |
| Bio Products Laboratory |
Merged into Kedrion, Apr 2025 |
| BioAlliance Pharma |
Merged with TopoTarget to become Onxeo |
| BioBlast Pharma |
Shell reverse-merged with Enlivex Therapeutics, Nov 2018 |
| BioCis Pharma |
Lx Therapies, May 2011 to become Laurantis Pharma |
| Bioclinica |
Merged with ERT, 2021 |
| bioCSL |
Combined with Novartis vaccine unit to become Seqirus |
| Biodel |
Merged with Albireo, Oct 2016 |
| BioElectroMed |
Merged with ThelioPulse & NanoBlate to become Pulse Biomedical, Nov 2014 |
| Bioferment |
Merged with Sapec & Cernitin in 1994 to become Cerbios-Pharma |
| Biologica Technologies |
Merged with Isto Biologics, Oct 2023; aka Advanced Biologics |
| Bioreclamation |
Merged with Celsis IVT and became BioreclamtaionIVT |
| BioSante Pharmaceuticals |
Merged into ANI Pharmaceuticals Jun 2013 |
| Biosight |
Merged with Ayala Pharmaceuticals, Oct 2023 |
| BioSTAR West |
Merged with Hawaii Chitopure and became Synedgen 2009 |
| Biota Holdings |
Merged with Nabi pharmaceuticals to become Biota Pharmaceuticals, Nov 2012 |
| Biovail |
Merged with Valeant |
| BioWhittaker |
Merged into Cambrex Oct 1997 |
| Boston Therapeutics |
Reverse merged with Nanomix Nov 2021; fka Avanyx Therapeutics |
| Bradley Pharmaceuticals |
Merged with Nycomed, Feb 2008 |
| Brain Neurotherapy Bio |
Merged with AskBio, Dec 2020 |
| Brava Diagnostics |
Merged with Mbio Diagnostics, renamed LightDeck Diagnostics Jul 2020 |
| BresaGen Inc |
Merged with Novocell & CyThera to become ViaCyte in 2004 |
| British Biotech |
Merged into Vernalis 2003 |
| C3J Therapeutics |
Merged with AmpliPhi Biosciences, May 2019; fka C3 Jian |
| Callisto Pharmaceuticals |
Merged with Synergy Pharmaceuticals, Jan 13 |
| Calyx |
Merged with Invicro to become Perceptive, Sep 2024 |
| Cambridge Major Labs |
Merged with AAIPharma Services, Renamed Alcami |
| Cancer Genetics |
Merged with StemoniX, Mar 2021 to become Vyant Bio |
| Capella Bioscience |
Merged into Centessa Pharmaceticals |
| Caprion Pharmaceuticals |
Merged with Ecopia and became Caprion Therapeutics, Mar 2007 |
| Carbylan Therapeutics |
Merged into KalVista Pharmaceuticals, Jun 2016 |
| Carmell Corporation |
Merged with Axolotl Biologix, Aug 2023; fka Carmell Therapeutics |
| CarrierGene Biotech |
Merged with NuProbe, Jan 2020 |
| Cascadia Therapeutics |
Merged with Antegrin Therapeutics to become Indalo Therapeutics, Oct 2016 |
| CBio |
Merged with Inverseon to become Invion, Aug 2012 |
| CDR Therapeutics |
Merged with CellGenEx to form Xcyte, Jan 1998 |
| Cell Genesys |
Merged with BioSante |
| Celladon |
Merged into Eiger Bio, Mar 2016 |
| Celleron Therapeutics |
Merged with Argonaut Therapeutics, Jan 2023, to become IngeneOx Therapeutics |
| CellExSys |
Merged into Chromos Molecular Systems, Jun 2004 |
| CellGenEx |
Merged with CDR Therapeutics to form Xcyte, Jan 1998 |
| Celllect |
Merged with Quoin Pharmaceuticals, Mar 2021, took name |
| Cellpep |
Merged with Procyon to become Ambrilia Biopharma, Jan 2006 |
| Celsis IVT |
Merged with Bioreclamation and became BioreclamationIVT |
| Celsus Therapeutics |
Merged with Volution Immuno-pharmaceuticals to become Akari Therapeutics, Aug 2015 |
| Celunol |
Merged with Diversa to become Verenium |
| Cempra Pharmaceuticals |
Merged into Melinta Therapeutics, Nov 2017 |
| CEND Therapeutics |
Merged with Caladrius Biosciences, Apr 2022, to become Lisata Therapeutics; fka DrugCendR |
| Censo Biotechnologies |
Merged with Axol Bioscience, Mar 2021 |
| Cequent Pharmaceuticals |
Merged with mdRNA, became Marina Biotech 2010 |
| Cernitin |
Merged with Bioferment & Sapec in 1994 to become Cerbios-Pharma |
| China Nuokang Biopharma |
Merged with Kingbird, probably to get access to its ticker |
| Chiralgen |
Merged with Ontorii to form WaVe Life Sciences |
| Chiroscience |
Merged with Celltech, Jun 1999 |
| Chondrial Therapeutics |
Merged with Zafgen, May 2020, became Larimar Therapeutics |
| Chroma Medicine |
|
| Ciba-Geigy |
Merged with Sandoz to create Novartis |
| Cirina |
Merged with Grail, May 2017 |
| Clinical Microbiomics |
Merged into cmbio |
| Clinical-Microbiomics |
Merged with MS-Omics, DNASense, CosmosID to become Cmbio, Oct 2023 |
| Cobalt Biomedicine |
Merged with Sana Biotechnology, early 2019 |
| Cogen Immune Therapies |
Merged with Torque Therapeutics to become Reprtoire Immune Medicines, Mar 2020 |
| Cognitive Pharmaceuticals |
Merged with Mithridon, Jun 2008 |
| CollabRx |
Merged with Medytox Solutions, became subsidiary of Rennova Health Nov 2015 |
| Commonwealth Biotechnologies |
Bankrupt, merged into HedgePath Pharmaceuticals |
| Conversant Bio |
Merged with Folio Biosciences, Renamed Folio Conversant, Merged into Discovery Life Sciences Oct 2018 |
| Corautus Genetics |
Merged with VIA Pharmaceuticals, Jun 2007 |
| CoreBiome |
Merged into Diversigen |
| CoreRx Inc. |
Merged into Bend Bioscience, Sep 2024 |
| CosmosID |
Merged with Clinical-Microbiomics, DNASense, MS-Omics to become Cmbio, Oct 2023 |
| Covalution Biosciences |
Merged with Aspire Therapeutics to become Acerta Pharma |
| Covaxx |
Merged with United Neuroscience, Apr 2021 |
| Crestovo |
Merged with Finch Therapeutics, Oct 2017 |
| Critical Therapeutics |
Merged with Cornerstone Therapeutics |
| Crystallics |
Merged with Pharmavize 2016, Renamed Ardena |
| CTL Immunotherapies |
Merged with MiniMed and Allecure to become MannKind, 2001 |
| Cvie Therapeutics |
Merged with Windtree Labs Jan 2019 |
| Cyberonics |
Merged with Sorin, renamed LivaNova, Oct 2015 |
| CyBio |
Merged into Jena, Jul 2014 |
| Cygnal Therapeutics |
Flagship merged it with Inzen and renamed it Sonata Therapeutics |
| Cyrenaic Pharmaceuticals |
Merged with Sonkei Pharmaceuticals in 2013 to form Minerva Biotechnologies. Moved from NJ to Waltham, MA 2014 |
| CyThera |
Merged with Novocell & BresaGen to become ViaCyte in 2004 |
| Cytos Biotechnology |
Merged with Kuros Biosurgery to become Kuros Biosciences, Dec 2015 |
| CytoVeris |
Merged with Lumeda to become OncoLux, Jun 2025 |
| DARA Biosciences |
Merged with Midatech Pharma, Jun 2015 |
| Decoy Biosystems |
Merged with Intec to become Indaptus Therapeutics, Aug 2021 |
| Decoy Therapeutics |
|
| Diffusion Pharmaceuticals |
Merged with EIP Pharma, Aug 2023, renamed CervoMed; Merged with Restorgenex, Dec 2015 |
| Digene |
Merged with Qiagen |
| Dipexium Pharmaceuticals |
Merged into PLx Pharma, Apr 2017 |
| Diversa |
Merged with Celunol to become Verenium |
| DNA Technology |
Merged with Biosearch Technologies, 2013 |
| DNASense |
Merged with Clinical-Microbiomics, MS-Omics, CosmosID to become Cmbio, Oct 2023 |
| Domain Surgical |
Merged with OmniGuide Surgical, 2016 |
| Dovetail Genomics |
Merged with Arc Bio to become Cantata Bio, Jun 2022 |
| DSM Pharmaceutical Products |
Merged into a joint venture with Patheon |
| Dynacure |
Merged with Flamingo Theraputics, Mar 2023 |
| EDP Biotech |
Merged into New Day Diagnostics, Jul 2023 |
| Effimune |
Merged with OSE Pharma, May 2016, renamed OSE Immunotherapeutics |
| Eidos Therapeutics |
Merged with BridgeBio, Jan 2021 |
| EIP Pharma |
Merged with Diffusion Pharmaceuticals, Apr 2023 to become Cervomed |
| Elitra Pharmaceuticals |
Merged with Syrxx as Trilogy Pharmaceuticals |
| Envision Pharma |
Merged with UBC |
| Epicept |
Merged with Immune Pharmaceuticals, Aug 2013 |
| Epiva Biosciences |
Merged into Evelo Biosciences, Jul 2016 |
| Erytech Pharma |
Merged with Pherecydes, Jun 2023 renamed PHAXIAM Therapeutics |
| Essentialis Therapeutics |
Merged with Capnia, Mar 2017 |
| Etiologics |
Merged into Argenta Discovery, Oct 2004 |
| EverInsight Therapeutics |
Merged with AffaMed Therapeutics, Oct 2020, seems to have taken their name |
| eXegenics |
Merged with Froptix and Acuity Pharmaceuticals to become Opko Health Mar 2007 |
| Farmabios |
Merged with Novasep & PharmaZell to become Axplora, Oct 2022 |
| FingerPrint Diagnostics |
Merged with SmartBead Technologies to become Pronostics |
| FlashCell |
Merged with Vectalys, May 2018, became Flash Therapeutics |
| Flex Pharma |
Merged with Salarius Pharmaceuticals, Jul 2019, took name |
| Florida Biologix |
Merged with Brammer, Mar 2016 |
| Foamix Pharmaceuticals |
Merged with Menlo Therapeutics, Mar 2020 |
| Folio Biosciences |
Merged with Conversant Bio, Renamed Folio Conversant, then merged into Discovery Life Sciences, Oct 2018 |
| Folio Conversant |
Merged into Discovery Life Sciences, Oct 2018 |
| Follicum |
Merged with Coegin Pharma, Feb 2022; Entire pipeline on hold Sep 2021 |
| Formex |
Merged into BioDuro, Nov 2015 |
| Formula Pharmaceuticals |
Merged into CoImmune, Apr 2020 |
| Frequency Therapeutics |
Merged with Korro Bio, Nov 2023 |
| Froptix |
Merged with eXegenics and Acuity Pharmaceuticals to become Opko Health Mar 2007 |
| Galaxy Medical |
Merged into Galvanize Therapeutics, 2022 |
| Gardedam Therapeutics |
Merged with CANTABio Dec 2015 |
| Gemini Therapeutics |
Merged with Disc Medicine, Jan 2022 |
| Genesis Biopharma |
Merged into Lion Biotechnologies, 2013 |
| GeneTrol |
Merged with CytoPharm |
| GITR |
Combined with HealthCare Pharmaceuticals to become Leap Therapeutics, Jan 2016 |
| Glaxo Wellcome |
Merged with Smithkline Beecham in 2000 to form GSK |
| Global Pharmaceuticals |
Merged with Impax Pharmaceuticals to become Impax Laboratories, Dec 1999 |
| Glympse Bio |
Merged into Sunbird Bio, Aug 2023 |
| Graegis Pharmaceuticals |
Gifford Bioscience | Preclinical CRO specializing in receptor pharmacology and occupancy assays, for target validation and lead optimization in drug discovery |
| Graphite Bio |
Merged with LENZ Therapeutics, Mar 2024 |
| Graybug Vision |
Merged with CalciMedica, Mar 2023 |
| Greer Laboratories |
Merged into Stallergenes to become Stallergenes Greer |
| H2O Clinical |
Merged with Pharma Start, Aug 2016 to become Firma Clinical Research |
| Harlan Laboratories |
Merged into Huntingdon Life Sciences, Nov 2015, renamed Envigo |
| Harrison Clinical Research |
Merged with Synteract, became SynteractHCR |
| Haupt Pharma |
Merged with Aenova |
| Hawaii Chitopure |
Merged with BioSTAR West and became Synedgen 2009 |
| Helicon Therapeutics |
Merged with Dart Neuroscience |
| Histogenics |
Merged with Ocugen, Sep 2019 after exploring strategic options |
| Hoechst Marion Roussel |
Merged with Rhône-Poulenc 1999, merged with Sanofi 2004 |
| Homology Medicines |
Merged with Q32 Bio Mar 2024 |
| Hybrid Biosystems |
Merged with Myotec Therapeutics to become PsiOxus Therapeutics, Dec 2010 |
| Hybridon |
Merged with Idera Pharmaceuticals, 2004 |
| ICHOR Vascular |
Merged with Pulse Therapeutics, Jan 2019 to become Euphrates Vascular |
| iCo Therapeutics |
Acquired by Satellos by Reverse Merger, Aug 2021 |
| Ikena Oncology |
Merged with Inmagene, Jul 2025; fka Kyn Therapeutics |
| ILSBio |
Merged with BioreclamationIVT, Jul 2015 |
| Imara |
Acquired by Enliven Therapeutics, Oct 2022 |
| Immune Control |
Merged with Arginetix to become Corridor Pharmaceuticals, Jun 2010 |
| ImmunGene |
Merged into new company, Apr 2019 |
| ImmunogenX |
Merged with First Wave BioPharma, Mar 2024; Also acquired Alvine Pharma assets Mar 2016 |
| Impax Laboratories |
Merged with Amneal, May 2018 |
| Impax Pharmaceuticals |
Merged with Global Pharmaceuticals to become Impax Laboratories, Dec 1999 |
| IMS Health |
Merged with Quintiles, May 2016 |
| INC Research |
Merged with inVentiv Health, May 2017, renamed Syneos Health |
| Inex Innovations Exchange |
Merged with Nova Satra, Aug 2019 to become Inex Innovate |
| Innovir Laboratories |
Merged with VIMRx Pharmaceuticals, Dec 1996 |
| INO Therapeutics |
Merged with Ikaria Feb 2007 |
| Inscripta |
Merged with Manu, Aug 2025 |
| Insero Health |
Merged into Biscayne Pharmaceuticals, Oct 2015 |
| Intec Pharma |
Acquired by Decoy Biosystems via Reverse Merger, Aug 2021 |
| Intercell |
Merged with Vivalis to become Valneva May 2013 |
| Intradigm |
Merged with Silence Therapeutics 2009 |
| Intricon |
Merged with Minnetronix Medical to become Forj Medical, Oct 2025 |
| inVentiv Health Clinical |
Merged with INC Research, May 2017, renamed Syneos Health |
| inVentiv Health Clinical |
Merged with INC Research, May 2017, renamed Syneos Health |
| Inverseon |
Merged with Cbio to become Invion, Aug 2012 |
| Inzen Therapeutics |
Flagship merged it into Cygnal Therapeutics and renamed it Sonata Therapeutics |
| Iquity Labs |
Merged into Decode Health |
| Isentio |
Merged with PathoGenomix, Sep 2015 |
| Isoray Medical |
Meregd with Viewpoint Molecular Targeting to become Perspective Therapeutics, Feb 2023 |
| ISTO Technologies |
Merged with Arteriocyte Medical Systems to become ISTO Biologics, Oct 2016 |
| IthenaPharma |
Merged with Marina Biotech, Nov 2016 |
| Jaguar Animal Health Solutions |
Merged with Napo Pharmaceuticals, became Jaguar Health, Jul 2017 |
| Javelin Pharmaceuticals |
Merged with Hospira 2010 |
| K5 Therapeutics |
Folded into Muna Therapeutics, Jul 2021 |
| Kaiser Optical Systems |
Merged with SpectraSensors to become Endress+Hauser, Jan 2022 |
| Kalaris Therapeutics |
Merged into AlloVir, Mar 2025 |
| Kandu |
Merged with NeuroLutions, Apr 2025 |
| Karmelsonix |
Merged with Karmelsonix to become iSonea, 2011 |
| Katexco Pharmaceuticals |
Merged into CannBioRx, Jul 2019 |
| Keryx Biopharmaceuticals |
Merged with Akebia, Dec 2018, took Akebia name |
| Key Biologics |
Merged with Astarte Biologics, Aug 2018 |
| Keystone Heart |
Merged with Venus Medtech, Dec 2018 |
| Kinos Medical |
Merged with restor3d, May 2021 |
| Kintara Therapeutics |
Merged with TuHURA Biosciences, Oct 2024 took name; fka DelMar Pharmaceuticals |
| Knudra Transgenics |
Merged with NemaMetrix, Nov 2017 |
| Kogenix |
Merged with Klogene, Dec 2017 |
| Kuros Biosurgery |
Merged with Cytos Biotechnology to become Kuros Biosciences, Dec 2015 |
| Laboratoires Dausse |
Merged with Laboratoires Robert & Carrière in 1970 to become Synthélabo |
| Laboratoires Robert and Carrière |
Merged with Laboratoires Dausse in 1970 to become Synthélabo |
| LaCell |
Merged with Obtala Sciences, became Talara Antibodies |
| Laronde |
Merged with Senda Biosciences to become Sail Biomedicines, Oct 2023 |
| Leading BioSciences |
Merged with Seneca Biopharma to become Palisade Bio, Apr 2021 |
| Lewis and Clark Pharmaceuticals |
Website back Mar 2019 - possibly resurrected as a rebranding of parent Inspyr; Merged into Inspyr Therapeutics, Sep 2017 |
| Lorantis |
Merged with Celldex 2005 |
| Lumeda |
Merged with Cytoveris to become OncoLux, Jun 2025 |
| Luoxis |
Merged with Vyrix Pharmaceuticals to become Aytu Bioscience, Apr 2015 |
| Lykan Bioscience |
Merged with RoslinCT, Aug 2022 |
| Mabimmune |
Merged with Neurimmune |
| Macrocure |
Merged into Leap Therapeutics |
| Maetrics |
Merged with R&Q, 2020, renamed RQM+ |
| Magnis Therapeutics |
Merged with Omnis Pharmaceuticals, Mar 2016, became Vyriad |
| Makana Therapeutics |
Merged into Recombinetics, Oct 2020 |
| ManRos Therapeutics |
Merged into Perha Pharma |
| Mariel Therapeutics |
Merged with Ember Therapeutics, Mar 2015 |
| Mateon Therapeutics |
Merged with Oncotelic Apr 2019; fka Oxigene |
| Matrigen |
Merged with PRIZM Pharmaceuticals, Jul 1998; Sold to The Tissue Repair Company, Dec 2004 |
| mBio Diagnostics |
Merged with Brava Diagnostics, renamed LightDeck Diagnostics Jul 2020 |
| McGee Pharma |
Merged with Pharmalex |
| mdRNA |
Merged with Cequent Pharmaceuticals, became Marina Biotech 2010 |
| Medifacts |
Merged with Radpharm became CoreLab Partners |
| Medos |
Merged with Novalung, 2013 became Xenios |
| Medsenic |
Merged with Bone Therapeutics, Oct 2022 |
| Meridian Medical Technologies |
Merged into Kindeva, Dec 2022; Acquired by Altaris, Dec 2021 |
| Metuchen Pharmaceuticals |
Merged with Neurotrope Biosciences to become Patros Pharmaceuticals |
| Millendo Therapeutics |
Merged with Tempest Therapeutics, Jun 2021 |
| Minnetronix Medical |
Merged with Intricon to become Forj Medical, Oct 2025 |
| Mirna Therapeutics |
Merged with Synlogic, Aug 2017 |
| MorphImmune |
Merged with Immunome, Oct 2023 |
| MS-Omics |
Merged with Clinical-Microbiomics, DNASense, CosmosID to become Cmbio, Oct 2023 |
| Multiplex Biosciences |
Merged with Rules-Based Medicine, Nov 2006 |
| Mylan |
Merged with Upjohn, renamed Viatris |
| Myotec Therapeutics |
Merged with Hybrid Biosystems to become PsiOxus Therapeutics, Dec 2010 |
| N2 Biomedical |
Merged with Precision Medical Coatings, Sep 2021; fka Spire Medical |
| Nabi Biopharmaceuticals |
Merged with Biota Holdings 2012 |
| Nano Precision Medical |
Merged with Second Sight to become Vivani Medical, Aug 2022 |
| NanoBlate |
Merged with BioElectroMed & ThelioPulse to become Pulse Biomedical, Nov 2014 |
| Nanosens |
Merged into Cardea Oct 2019 |
| NantKwest |
Merged into ImmunityBio, Apr 2021 |
| Napo Pharmaceuticals |
Merged with Jaguar Animal Health, Jul 2017. |
| Neoleukin Therapeutics |
Merged with Neurogene, Dec 2023; Went public via Reverse Merger with Aquinox Pharmaceuticals |
| NEOMED-LABS |
Merged with Pacific Biomarkers, Nov 2018 |
| NeoPharm |
Merged with Insys Therapeutics |
| Neos Therapeutics |
Merged with Aytu BioScience, Mar 2021 |
| Neothetics |
Merged with Evofem Jan 2018; fka Lithera, Site down Jun 2018 |
| NeuroRecovery Technologies |
Merged with GTX Medical, Oct 2019 |
| New Brunswick Scientific |
Merged into Eppendorf |
| Nexgen Arrays |
Merged into NextView Diagnostics, Dec 2016 |
| NeXstar Pharmaceutical |
Merged into Gilead, Mar 1999 |
| Nexus Dx |
Merged into Sphingotec, May 2018 |
| Nile Therapeutics |
Merged with Capricor |
| nitec Pharma |
Merged with Horizon Pharma |
| Nivalis Therapeutics |
Merged into Alpine Immune Sciences, Apr 2017; fka N30 Pharmaceuticals |
| Nordic Nanovector |
Reverse Merged with Thor Medical, Jun 2023; Terminated development, Jul 2022 |
| Nova Pharmaceutical |
Merged with Scios, May 1992 |
| Nova Satra Dx |
Merged with Inex Innovations Exchange, Aug 2019 to become Inex Innovate |
| NovaCina |
Merged with Biocina, Jan 2025 |
| Novalung |
Merged with Medos, 2013 became Xenios |
| Novasep |
Merged with PharmaZell & Farmabios to become Axplora, Oct 2022 |
| NovoKera |
Merged into Longevity Biomedical |
| Nvelop Therapeutics |
|
| Obalon Therapeutics |
Merged with ReShape Lifesciences |
| OccuRx |
Merged into Certa Therapeutics |
| OCT Clinical Trials |
Merged with Palleos Healthcare, Jan 2025 |
| Ocular Systems |
Merged with SightLife Surgical, Apr 2014 |
| OcuNexus Therapeutics |
Rebranded/Merged with Inflammx Therapeutics, Dec 2021 |
| Omnis Pharmaceuticals |
Merged with Magnis Therapeutics, Mar 2016, became Vyriad |
| OncoGenex Pharmaceuticals |
Merged with Achieve Life Sciences, took Achieve name, Aug 2017 |
| OncoMed Pharmaceuticals |
Merged with Mereo, Apr 2019 |
| Onconova Therapeutics |
Merged with Trawsfynydd Therapeutics to become Traws Pharma, Apr 2024 |
| OnCore Biopharma |
Merged with Tekmira, Jan 2015 |
| Oncotelic |
Merged with Mateon Therapeutics, Apr 2019 |
| OncoTx |
Merged into General Oncology, Nov 2015 |
| Ontorii |
Merged with Chiralgen to form WaVe Life Sciences |
| Opexa Therapeutics |
Merged into Acer Therapeutics, Sep 2017 |
| Orbit Biomedical |
Merged with Gyroscope Therapeutics, Apr 2019 |
| OSE Pharma |
Merged with Effimune May 2016, became OSE Immuno-therapeutics |
| Otic Pharma |
Merged with Tokai Pharmaceuticals, May 2017 |
| OticPharma |
Merged with Tokai Pharmaceuticals, May 2017, Changed name to Novus Therapeutics |
| OvaScience |
Merged into Millendo therapeutics, Dec 2018 |
| Oxitope Pharma |
Merged with Arxx Therapeutics to become Calluna Pharma, Jan 2024 |
| Pacific Pharmaceuticals |
Merged with ProCept Inc, Dec 1998 |
| Pairnomix |
Merged with Q-State Biosciences, Nov 2018 |
| panCELLa |
Merged with Pluristyx, Oct 2022 |
| PDTx |
Merged with Ovation.io, Sep 2024 |
| Peak Bio |
Merged with Akari Therapeutics, Nov 2024 |
| Pear Tree Pharmaceuticals |
Merging into Dare Bioscience, May 2018 |
| Perspix Bioscience |
Merged with BioCopy, Apr 2024 |
| Pharm-Olam |
Merged with CATO SMS, Jan 2022 |
| Pharma Start |
Merged with H2O Clinical, Aug 2016 to become Firma Clinical Research |
| Pharmacia |
Merged with Upjohn, Aug 1995 to become Pharmacia & Upjohn |
| PharmAthene |
Merged with Altimmune, Jan 2017 |
| Pharmavize |
Merged with Crystallics 2016, Renamed Ardena |
| PharmaZell |
Merged with Novasep & Farmabios to become Axplora, Oct 2022 |
| Pharmexa |
Merged into Affitech, May 2009 |
| Pharsight |
Merged with Tripos to become Certara |
| Phenaros Pharmaceuticals |
Merged with DefiniGEN to become pixl.bio |
| Pherecydes Pharma |
Merged with Erytech Pharma, Jun 2023, became PHAXIAM Therapeutics |
| Pier Pharmaceuticals |
Merged with Cortex Pharmaceuticals Aug 2012 |
| PierianDx |
Merged with Seven Bridges Genomics & UgenTec to become Velsera, Jan 2023 |
| Pieris Pharmaceuticals |
Merged with Palvella Therapeutics, Dec 2024 |
| Pioneer Surgical |
Merged with RTI Biologics to become RTI Surgical |
| Plurinomics |
Merged with Axiogenesis to form Ncardia, Sep 2017 |
| PolyTherics |
Joined Antitope to become Abzena |
| Pozen |
Merged with Tribute Pharmaceuticals, Dec 2015, became Aralez Pharmaceuticals |
| Precisive Surgical |
Merged with CARLSMED, Jul 2019 |
| Pressure Biosciences |
Merged with Cannaworx, SkinScience Labs and pivoted to weed products, May 2020 |
| Primordial Genetics |
Merged with Pelican Technology to become Primrose Bio, Sep 2023 |
| PRIZM Pharmaceuticals |
Merged with Matrigen to become Selective Genetics, Jul 1998 |
| Procyon Biopharma |
Merged with Cellpep to become Ambrilia Biopharma, Jan 2006 |
| Protagen Protein Services |
Merged with BioAnalytix, Apr 2019 |
| Proteostasis Therapeutics |
Reverse merged by Yumanity, Dec 2020 |
| PulmoSonix |
Merged with PulmoSonix to become iSonea, 2011 |
| Pulse Therapeutics |
Merged with ICHOR Vascular, Jan 2019 to become Euphrates Vascular |
| Pyxant Labs |
Merged with ImaBiotech, 2021 |
| QLT Inc |
Merged with Aegerion Pharmaceuticals, Nov 2016, renamed Novelion Therapeutics |
| Rad Pharm |
Merged with Medifacts, became CoreLab Partners |
| Radiant Research |
Merged with Synexus, Apr 2017 |
| RainBIO |
Merged into CalciMedica, Feb 2025 |
| Ranbaxy |
Merged with Sun Pharma, Mar 2015 |
| RBC Medical Innovations |
Merged with Sterling Medical Devices to become Vantage MedTech, Sep 2023 |
| RDD Pharma |
Merged with Innovate Biopharmaceuticals, Apr 2020 |
| Re-Pharm |
Appears to have been folded into Cresset Discovery Services |
| Regado Biosciences |
Reverse Merged with Tobira, Jan 2015, presumably so Tobira could go public |
| Regeneus |
Merged with Cambium, Apr 2024 |
| Relief Therapeutics |
Merged with NeuroX to become MindMaze Therapeutics, Dec 2025 |
| ReShape Lifesciences |
Merged with Vyome Therapeutics, Aug 2025; Acquired via Reverse Merger by Obalon Therapeutics, took this name |
| resTORbio |
Merged with Adicet Bio, Sep 2020 |
| Restorgenex |
Merged with Diffusion Pharmaceuticals, Dec 2015 |
| Rexahn Pharmaceuticals |
Merged with Ocuphire Pharma, Nov 2020 |
| RFS Pharma |
Merged with CoCrystal Pharma, Nov 2014 |
| Rhone-Poulenc Rorer |
Merged with Hoechst AGto form Aventis, 1999 |
| Ribotargets |
Merged with British Biotech, Mar 2003 |
| Ritter Pharmaceuticals |
Merged into Qualigen, May 2020, took its name |
| RTI Biologics |
Merged with Pioneer Surgical to become RTI Surgical |
| Ruthigen |
Merged with Pulmatrix, Jun 2015. Renaming company Pulmatrix. |
| SalveoDx |
Merged with ImmunArray, Aug 2019 |
| Sanofi-Synthelabo |
Merged with Aventis, 2004 to become Sanofi-Aventis; Formed in 1999 upon the merge of Sanofi & Synthelabo |
| Sanyal Biotechnology |
Merged with MetabAxis |
| Sapec |
Merged with Bioferment & Cernitin in 1994 to become Cerbios-Pharma |
| SciVac Therapeutics |
Merged with VBI Vaccines, took their name Oct 2015 |
| Second Sight |
Merged with Nano Precision Medical, Aug 2022 to become Vivani Medical |
| Selecta Biosciences |
Merged with Cartesian Therapeutics, Nov 2023 |
| Semnur Pharmaceuticals |
Merged with Scilex, Mar 2019 |
| Senda Biosciences |
Merged with Laronde, Oct 2023 to become Sail Biosciences |
| Seneca Biopharmaceuticals |
Merged with Leading BioSciences to become Palisade Bio, Apr 2021 |
| Sengenics |
Merged into Standard BioTools, Nov 2024 |
| Sesen Bio |
Merged with Carisma Therapeutics, Mar 2023; fka Eleven Biotherapeutics |
| Seven Bridges Genomics |
Merged with UgenTec & PieranDx to become Velsera, Jan 2023 |
| Shasun Pharmaceuticals |
Merged with Strides Arcolab, Nov 2015 |
| Sheffield Pharmaceuticals |
Merged with Pipex Pharmaceuticals who took the Sheffield name and were later renamed Adeona Therapeutics |
| Sienna Cancer Diagnostics |
Merged with Bard1 Life Sciences, Jul 2020 |
| Signal Genetics |
Merged with Miragen Therapeutics, Nov 2016, Took Miragen name |
| Signature Therapeutics |
Merged into Ensysce Biosciences, Dec 2015 |
| Silverback Therapeutics |
Merged with ARS Pharmaceuticals, Nov 2022 |
| Sirana Pharma |
Merged with Apexis Bio |
| SmartBead Technologies |
Merged with FingerPrint Diagnostics to become Pronostics |
| SmithKline Beecham |
Merged with Glaxo Wellcome in 2000 to form GSK |
| SMS-oncology |
Merged with Cato Research, Oct 2019 |
| Societal CDMO |
Merged into Bend Bioscience, Sep 2024 |
| Solexa |
Merged with Illumina 2006 |
| Sonkei Pharmaceuticals |
Merged with Cyrenaic Pharmaceuticals in 2013 to form Minerva Neurosciences |
| Sonus Pharma |
Merged with Oncogenex |
| Sorin |
Merged with Cyberonics, renamed LivaNova, Oct 2015 |
| Sovereign Pharmaceuticals |
Merged with Capellon, 2001 |
| Spring Bank Pharmaceuticals |
Merged with F-star, Jul 2020 |
| Stallergenes |
Merged with Greer Labs to become Stallergenes Greer |
| Stellar Biotechnologies |
Acquired/Merged with Edesa Biotech, Jun 2019 |
| StemoniX |
Merged with Cancer Genetics, Mar 2021, became Vyant Bio |
| Surgical Specialties |
Renamed Corza Medical after acquisition/merger |
| Suven Pharmaceuticals |
Merged with Cohance, May 2025 |
| SwanBio Therapeutics |
Merged with Freeline Therapeutics to become Spur Therapeutics, Jun 2024 |
| Synarc |
Merged with Bioclinica Mar 2014 |
| Synta Pharmaceuticals |
Merged with Madrigal Therapeutics Jul 2016, planning to take name and move HQ to Philadelphia |
| Sytera |
Merged with Sirion Aug 2006 |
| Talaris Therapeutics |
Merged with Tourmaline Bio, Oct 2023; fka Regenerex |
| Talecris Biotherapeutics |
Merged with Grifols |
| TapImmune |
Merged into Marker Therapeutics, Oct 2018 |
| Targacept |
Merged into Catalyst Biosciences, Aug 2015 |
| Target Health |
Merged with Clinipace, Apr 2021 |
| Tau Therapeutics |
Merged with Xdynia to become Cavion, Aug 2014 |
| TCR2 Therapeutics |
Merged with Adaptimmune, Jun 2023 |
| Telik |
Merged with MabVax Jul 2014, company originally maintained Telik's ticker, then switched it in Oct 2014 |
| Tergus Pharma |
Merged with MedPharm, Jul 2024 |
| ThelioPulse |
Merged with BioElectroMed & NanoBlate to become Pulse Biomedical, Nov 2014 |
| Theranostics Health |
Merged into Avant Diagnostics, Mar 2016 |
| Threshold Pharmaceuticals |
Merged into Molecular Templates, Aug 2017 |
| Tiger X Medical |
Merged into BioCardia, Aug 2016 |
| Titan Pharmaceuticals |
Merging with private payroll company, Aug 2024 |
| Tocagen |
Merged with Forte Biosciences, Jun 2020 |
| Tokai Pharmaceuticals |
Merged with OticPharma, May 2017, Changed name to Novus Therapeutics |
| Tokalas |
Merged with Oncternal Therapeutics, Jun 2016 |
| Toleranzia |
Merged into Flerie, Aug 2025 |
| TopoTarget |
Merged with BioAlliance Pharma to become Onxeo |
| Tornier |
Merged into Wright Medical, Oct 2015 |
| Torque Therapeutics |
Merged with Cogen Immune Medicines to become Repertoire Immune Medicines, Mar 2020 |
| TotipotentRX |
Merged with Thermogenesis, Jul 2013 to become CESCA Therapeutics |
| TRAC |
Merged with Pharmalex, Nov 2017 |
| Transave |
Merged with Insmed Dec 2010 |
| Transcept Pharmaceuticals |
Merged into Paratek, Oct 2014 |
| Transcriptic |
Merged with 3Scan to become Strateos, Jun 2019 |
| TranscripTx |
Merged with ReCode Therapeutics, Mar 2020 |
| Transgenomic |
Merged into Precipio, Jun 2017 |
| Tranzyme Pharma |
Merged with Ocera Therapeutics Jul 2013 |
| Trawsfynydd Therapeutics |
Merged with Onconova to become Traws Pharma, Apr 2024 |
| Treximo |
Merged with ProPharma, Sep 2021 |
| Tribute Pharmaceuticals |
Merged with Pozen, Dec 2015, became Aralez Pharmaceuticals |
| Trimeris |
Merged with Synageva |
| TriVascular Technologies |
Merged into Endologix, Feb 2016 |
| Tyme Technologies |
Merged with Syros, Sep 2022 |
| UgenTec |
Merged with Seven Bridges Genomics & PieranDx to become Velsera, Jan 2023 |
| Upjohn |
Merged with Pharmacia in 1995 to become Pharmacia & Upjohn |
| Valentis |
Merged with Urigen Pharmaceuticals, Jul 2007 |
| Vallon Pharmaceuticals |
Acquired by GRI Bio, Apr 2023 |
| Vaxxilon |
Merged into Idorsia, Jun 2020 |
| VBL Therapeutics |
Merged with Notable Labs, Oct 2023 |
| Vectalys |
Merged with FlashCell, May 2018, became Flash Therapeutics |
| Ventrus Biosciences |
Merged with Assembly Pharmaceuticals Jul 2014 to become Assembly Biosciences |
| Versartis |
Merged with Aravive Biologics, Oct 2018 |
| VGX Pharmaceuticals |
Merged with Inovio |
| Vical |
Reverse Merged with Brickell Biotech, Jun 2019 |
| Viewpoint Molecular Targeting |
Merged with isoray to become Perspective Therapeutics, Feb 2023 |
| Vignette Bio |
Merged with Candid Therapeutics, Sep 2024 |
| Visiox Pharmaceuticals |
Merged with Ocuvex Therapeutics, Aug 2024 |
| Visus Therapeutics |
Merged with Tenpoint Therapeutics, Dec 2024 |
| Vital Therapies |
Reverse merged with Immunic Therapeutics, Apr 2019 |
| VitaResc Biotech |
Merged with CuraCyte, Jun 2002 |
| Vivalis |
Merged with Intercell to become Valneva, May 2013 |
| Volution Immuno-pharmaceuticals |
Merged with Celsus to become Akari Therapeutics, Aug 2015 |
| Vyrix Pharmaceuticals |
Merged with Luoxis to become Aytu Bioscience, Apr 2015; originally spun out of Ampio |
| Warnex |
Merged into DIAGNOS Inc |
| WEX Pharmaceuticals |
Merged with Virios Therapeutics to become Dogwood Therapeutics, Oct 2024 |
| Woocheon Pharma |
Merged with Hana Pharm, 1996 |
| WorldCare Clinical |
Merged with MedQIA to become Voiant Clinical, Sep 2023 |
| Xcyte |
Merged with Cyclacel, Dec 2005 |
| Xdynia |
Merged with Tau Therapeutics to become Cavion, Aug 2014 |
| Zafgen |
Merged with Chondrial Therapeutics, May 2020, became Larimar Therapeutics |
| Zalicus |
Merged with Epirus, Jul 2014 |
| Zapaq |
Merged with Athenagen to become CoMentis, Aug 2006 |
| Zebra Medical Vision |
Merged with Nanox, Nov 2021 |
| Zeneca |
Merged with Astra to form AstraZeneca 1998 |
| ZS Genetics |
Merged with Genetics Research, Jul 2017 |
| Zyber Pharmaceuticals |
Reverse Merged into Pernix Therapeutics, Mar 2010 |
| Zyla Life Sciences |
Merged into Assertio, May 2020 |
