Pharmaceutical Preparations - 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)
2025-08-12 13D/A NAMS / NewAmsterdam Pharma Company N.V. Forbion Capital Fund IV Cooperatief U.A. 10,578,806 9.40 -4.90
2025-08-11 13D/A TRVI / Trevi Therapeutics, Inc. New Enterprise Associates 16, L.P. 15,074,080 12.00 0.00
2025-08-08 13D/A AMRX / Amneal Pharmaceuticals, Inc. Patel Chirag K. 22,180,421 7.10 1.58
2025-08-08 13D PCRX / Pacira BioSciences, Inc. Doma Perpetual Capital Management LLC 2,698,618 5.70
2025-08-07 13D/A EPIX / ESSA Pharma Inc. Biotechnology Value Fund L P 11,668,473 24.70 33.37
2025-08-07 13D/A IMAB / I-Mab - Depositary Receipt (Common Stock) CBC Investment I-Mab Ltd 27,492,595 10.40 -18.11
2025-08-06 13D/A STTK / Shattuck Labs, Inc. Redmile Group, LLC 5,652,660 11.80 0.49
2025-08-05 13D IMAB / I-Mab - Depositary Receipt (Common Stock) Everest Medicines Limited 42,524,716 16.10
2025-08-01 13D/A ALZN / Alzamend Neuro, Inc. Ault Milton C Iii 706,322 18.50 -77.63
2025-08-01 13D/A CVAC / CureVac N.V. KfW 112,841,355 50.10 -1.18
2025-08-01 13D/A SPRY / ARS Pharmaceuticals, Inc. Deerfield Mgmt III, L.P. 7,610,217 7.75 -11.85
2025-07-31 13D/A LRMR / Larimar Therapeutics, Inc. Deerfield Private Design Fund III, L.P. 30,667,474 35.81
2025-07-29 13D/A INDV / Indivior PLC Two Seas Capital LP 11,662,308 9.30 -3.50
2025-07-28 13D/A CELU / Celularity Inc. Dragasac Ltd 14,138,161 41.00 42.26
2025-07-28 13D/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) EcoR1 Capital, LLC 8,714,522 13.22 11.68
2025-07-25 13D/A BFRI / Biofrontera Inc. Deutsche Balaton Aktiengesellschaft 458,884 4.86 0.00
2025-07-22 13D/A SPRY / ARS Pharmaceuticals, Inc. Deerfield Mgmt III, L.P. 8,633,537 8.79 -11.22
2025-07-22 13D/A BMEA / Biomea Fusion, Inc. Cormorant Global Healthcare Master Fund, LP 3,681,664 6.46 2.53
2025-07-21 13D/A EPIX / ESSA Pharma Inc. Soleus Capital Master Fund, L.P. 4,362,026 9.80 92.84
2025-07-21 13D/A CNTB / Connect Biopharma Holdings Limited - Depositary Receipt (Common Stock) Panacea Innovation Ltd 13,950,000 25.10 4.03
2025-07-16 13D/A ONCO / Onconetix, Inc. Altos Venture AG 273,230 35.80
2025-07-16 13D HYPD / Hyperion DeFi, Inc. Hyunsu Jung 500,000 9.30
2025-07-15 13D/A RCUS / Arcus Biosciences, Inc. Gilead Sciences Inc 31,424,760 29.70 -20.83
2025-07-15 13D/A ABVC / ABVC BioPharma, Inc. Eugene Jiang 131,159 18.50 0.00
2025-07-14 13D/A COGT / Cogent Biosciences, Inc. Fairmount Funds Management LLC 14,324,918 9.90 26.43
2025-07-14 13D/A INDV / Indivior PLC Two Seas Capital LP 12,084,677 9.70 0.10
2025-07-10 13D/A RENB / Lunai Bioworks Inc. William Anderson Wittekind 18,133,196 8.00 0.00
2025-07-02 13D/A HYPD / Hyperion DeFi, Inc. Avenue Venture Opportunities Fund, L.P. 435,438 8.53 0.00
2025-07-02 13D/A SPRY / ARS Pharmaceuticals, Inc. Deerfield Mgmt III, L.P. 9,724,508 9.90 -7.51
2025-07-01 13D/A BBIO / BridgeBio Pharma, Inc. Viking Global Investors Lp 18,602,920 9.80 -15.65
2025-07-01 13D TCRT / Alaunos Therapeutics, Inc. Postma Robert W 199,796 9.00
2025-07-01 13D/A RVPH / Reviva Pharmaceuticals Holdings, Inc. Vedanta Associates, L.P. 6,259,806 8.70
2025-07-01 13D/A RVPH / Reviva Pharmaceuticals Holdings, Inc. Bhat Laxminarayan 3,612,384 5.20 12.95
2025-06-30 13D/A BIVI / BioVie Inc. Acuitas Group Holdings, LLC 3,050,394 15.80 -90.00
2025-06-27 13D ZYME / Zymeworks Inc. EcoR1 Capital, LLC 22,970,388 30.70 29.78
2025-06-27 13D/A NATR / Nature's Sunshine Products, Inc. Shanghai Fosun Pharmaceutical (Group) Co., Ltd. 64,167 0.35 -97.80
2025-06-26 13D/A ORGO / Organogenesis Holdings Inc. Ades Alan A. 22,319,836 17.60 0.00
2025-06-25 13D/A SLNCF / Silence Therapeutics plc Griffiths Richard Ian 34,543,302 24.40 4.95
2025-06-23 13D/A CMMB / Chemomab Therapeutics Ltd. - Depositary Receipt (Common Stock) OrbiMed Israel BioFund GP Limited Partnership 969,807 4.80 -47.89
2025-06-23 13D/A STOK / Stoke Therapeutics, Inc. Blue Horizon Enterprise Ltd 3,256,181 6.00 -16.64
2025-06-23 13D/A ADXN / Addex Therapeutics Ltd - Depositary Receipt (Common Stock) Dyer Timothy Mark 18,208,437 12.94 7.98
2025-06-20 13D/A HYPD / Hyperion DeFi, Inc. Avenue Venture Opportunities Fund, L.P. 435,438 9.99 0.00
2025-06-18 13D/A INDV / Indivior PLC Two Seas Capital LP 12,072,398 9.70 1.61
2025-06-17 13D/A ELVN / Enliven Therapeutics, Inc. Orbimed Advisors Llc 7,918,163 13.40 0.00
2025-06-17 13D/A BHC / Bausch Health Companies Inc. Paulson & Co. Inc. 32,791,702 8.90 24.03
2025-06-16 13D ARVN / Arvinas, Inc. Logos Global Management LP 4,800,000 6.40
2025-06-16 13D/A CVAC / CureVac N.V. dievini Hopp BioTech holding GmbH & Co KG 82,373,544 36.70 -1.80
2025-06-16 13D/A MEHCQ / Chrome Holding Co. ABeeC 2.0, LLC 5,722,832 22.00 1.12
2025-06-13 13D/A LTRN / Lantern Pharma Inc. BIOS Fund I, LP 1,075,952 9.98
2025-06-13 13D/A PRLD / Prelude Therapeutics Incorporated Baker Bros. Advisors Lp 10,269,968 23.50 0.46