Biological Products, Except Diagnostic Substances (Biotech) - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2026-05-01 13D/A PLUR / Pluri Inc. Chutzpah Holdings Ltd 2,500,000 34.98
2026-04-30 13D/A PROK / ProKidney Corp. Control Empresarial de Capitales S.A. de C.V. 73,842,723 36.00 3.19
2026-04-24 13D/A MGTX / MeiraGTx Holdings plc Perceptive Advisors Llc 11,742,117 12.60 12.46
2026-04-22 13D/A FATE / Fate Therapeutics, Inc. Redmile Group, LLC 18,229,078 14.90 1.60
2026-04-21 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 12,896,519 19.90 1.24
2026-04-16 13D/A SNTI / Senti Biosciences Holdings, Inc. Bayer Healthcare Llc 6,142,848 17.82 4.50
2026-04-15 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 12,739,024 19.90 1.47
2026-04-15 13D/A PHGE / BiomX Inc. Deerfield Private Design Fund V, L.P. 989,056 9.99 0.00
2026-04-14 13D/A PHGE / BiomX Inc. T3 Defense Inc. 1,600,000 20.40 23.08
2026-04-10 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 12,554,642 19.90 1.25
2026-04-10 13D PHGE / BiomX Inc. T3 Defense Inc. 1,300,000 19.87
2026-04-08 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 12,399,706 19.90 1.74
2026-04-08 13D/A NVAX / Novavax, Inc. Shah Capital Management 14,845,097 9.11 10.28
2026-04-01 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 12,187,524 19.90 35.07
2026-04-01 13D/A NMRA / Neumora Therapeutics, Inc. ARCH Venture Fund VII, L.P. 33,965,419 18.70 0.02
2026-03-31 13D/A SNTI / Senti Biosciences Holdings, Inc. New Enterprise Associates 15, L.P. 3,775,615 12.10 0.00
2026-03-27 13D/A APGE / Apogee Therapeutics, Inc. Fairmount Funds Management LLC 6,764,974 9.99 11.87
2026-03-23 13D/A SABS / SAB Biotherapeutics, Inc. Ra Capital Management, L.p. 7,311,225 9.90 41.51
2026-03-19 13D/A GLUE / Monte Rosa Therapeutics, Inc. New Enterprise Associates 17, L.P. 7,797,030 9.70 0.28
2026-03-18 13D/A CADL / Candel Therapeutics, Inc. Manning Paul B 5,790,999 7.90 42.17
2026-03-17 13D/A SLDB / Solid Biosciences Inc. Ra Capital Management, L.p. 9,313,756 9.90 -3.62
2026-03-17 13D/A ABOS / Acumen Pharmaceuticals, Inc. Ra Capital Management, L.p. 21,101,669 29.50 40.53
2026-03-16 13D/A VOR / Vor Biopharma Inc. Ra Capital Management, L.p. 9,023,068 19.90 66.74
2026-03-11 13D/A SABS / SAB Biotherapeutics, Inc. Ra Capital Management, L.p. 5,166,424 9.90 17.38
2026-03-11 13D/A SLDB / Solid Biosciences Inc. Perceptive Advisors Llc 11,969,079 12.90 0.29
2026-03-10 13D/A SLDB / Solid Biosciences Inc. BCLS SB Investco, LP 8,604,852 8.80
2026-03-10 13D/A SLDB / Solid Biosciences Inc. Ra Capital Management, L.p. 9,663,926 9.90 20.84
2026-03-10 13D/A VALN / Valneva SE - Depositary Receipt (Common Stock) Bpifrance Participations SA 19,946,304 10.50 -8.55
2026-03-03 13D/A VIR / Vir Biotechnology, Inc. ARCH Venture Fund IX, L.P. 13,534,704 8.50 -0.13
2026-03-02 13D/A ZURA / Zura Bio Limited AI Biotechnology LLC 19,699,071 18.20 37.50
2026-02-27 13D/A ZIVOW / ZIVO Bioscience, Inc. - Equity Warrant Strome Mark E 472,942 12.10
2026-02-26 13D/A TNYA / Tenaya Therapeutics, Inc. Column Group Iii, Lp 49,313,559 23.10 -9.21
2026-02-25 13D/A IBRX / ImmunityBio, Inc. Cambridge Equities, LP 745,576,456 66.30 0.22
2026-02-18 13D/A JSPR / Jasper Therapeutics, Inc. Carlyle Group Inc. 1,088,310 3.80
2026-02-13 13D/A ALLO / Allogene Therapeutics, Inc. Pfizer Inc 22,032,040 9.00 0.00
2026-02-12 13D/A TNYA / Tenaya Therapeutics, Inc. Column Group Iii, Lp 54,313,559 25.40 10.14
2026-02-12 13D SRZN / Surrozen, Inc. The Column Group IV GP, LP 6,353,712 11.60
2026-02-11 13D/A PHGE / BiomX Inc. Deerfield Private Design Fund V, L.P. 989,056 9.99
2026-02-06 13D/A FR:IPH / Innate Pharma S.A. Astrazeneca Plc 7,825,501 8.30
2026-01-30 13D/A ENZN / Viskase Holdings, Inc. Icahn Carl C 36,056,636 48.60 0.00
2026-01-27 13D ZURA / Zura Bio Limited Athanor Capital 11,581,402 15.70 0.00
2026-01-26 13D/A ARMP / Armata Pharmaceuticals, Inc. Innoviva, Inc. 55,467,459 83.10 0.00
2026-01-26 13D PHGE / BiomX Inc. Yeganeh Reuven 381,422 19.99
2026-01-23 13D AGEN / Agenus Inc. Zynext Ventures Usa Llc 2,133,333 5.90
2026-01-22 13D/A APGE / Apogee Therapeutics, Inc. Fairmount Funds Management LLC 6,047,027 9.99 4.68
2026-01-22 13D/A SRZN / Surrozen, Inc. Column Group Iii Gp, Lp 3,824,612 35.10 12.24
2026-01-20 13D/A SNTI / Senti Biosciences Holdings, Inc. Celadon Partners SPV 24 13,511,322 45.00 0.80
2026-01-14 13D/A DBVT / DBV Technologies S.A. - Depositary Receipt (Common Stock) Baker Bros. Advisors Lp 25,586,190 9.99 8.93
2026-01-14 13D/A ABVX / ABIVAX Société Anonyme - Depositary Receipt (Common Stock) Sofinnova Crossover I 6,399,478 7.70 -23.81
2026-01-09 13D/A GLUE / Monte Rosa Therapeutics, Inc. Versant Venture Capital VI, L.P. 2,236,708 3.40 -32.93