Chemicals And Allied Products - 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)
2026-06-04 13D/A AUPH / Aurinia Pharmaceuticals Inc. Tang Capital Management Llc 13,044,106 10.00 6.66
2026-06-03 13D/A CITR / CitroTech Inc. Ralston Ted 2,202,859 9.82 -87.54
2026-06-03 13D/A PRQR / ProQR Therapeutics N.V. Van Herk Investments B.v. 15,384,250 14.60 0.00
2026-06-02 13D/A IOBTQ / IO Biotech, Inc. Lundbeckfond Invest A/S 21,851,920 27.40
2026-06-01 13D/A OTLK / Outlook Therapeutics, Inc. GMS Ventures & Investments 37,580,638 22.90 29.41
2026-06-01 13D/A QTTB / Q32 Bio Inc. Orbimed Advisors Llc 4,127,987 17.40 83.22
2026-06-01 13D DRMA / Dermata Therapeutics, Inc. Kyri K. Van Hoose 384,352 9.00
2026-06-01 13D/A BIOX / Bioceres Crop Solutions Corp. Agriculture Investment Group Corp. 4,399,443 6.89 -36.04
2026-06-01 13D/A CITR / CitroTech Inc. BoltRock Holdings LLC 4,528,936 19.20 8.25
2026-05-29 13D/A INAB / IN8bio, Inc. Emily Fairbairn 215,431 2.20 -70.62
2026-05-29 13D/A GRTX / Galera Therapeutics, Inc. Emerald Bioventures, LLC 61,029,978 30.20 51.75
2026-05-28 13D/A QTTB / Q32 Bio Inc. Atlas Venture Fund X, L.P. 864,261 3.60 0.00
2026-05-28 13D/A EL / The Estée Lauder Companies Inc. Lauder Aerin 19,102,009 7.20 33.62
2026-05-28 13D/A RANI / Rani Therapeutics Holdings, Inc. Samsara BioCapital, L.P. 11,322,961 9.90 14.58
2026-05-28 13D/A PHGE / BiomX Inc. Deerfield Private Design Fund V, L.P. 889,928 8.09 -10.02
2026-05-27 13D/A ASMB / Assembly Biosciences, Inc. Gilead Sciences Inc 4,977,089 25.10 292.21
2026-05-27 13D/A ALXO / ALX Oncology Holdings Inc. LSV Associates, LLC 2,942,525 2.20 -0.24
2026-05-27 13D SDEV / Stablecoin Development Corporation Sky Frontier Foundation 3,009,502 9.90
2026-05-26 13D/A KNSA / Kiniksa Pharmaceuticals International, plc Baker Bros. Advisors Lp 3,253,341 7.00 3.25
2026-05-22 13D/A PAHC / Phibro Animal Health Corporation BFI Co., LLC 19,552,186 48.20 -0.20
2026-05-21 13D UPC / Universe Pharmaceuticals INC Sununion Holding Group Ltd 87,967 13.58 -99.30
2026-05-21 13D/A KALV / KalVista Pharmaceuticals, Inc. Frazier Life Sciences Public Fund, L.P. 1,249,165 2.30 -63.96
2026-05-20 13D/A IRD / Opus Genetics, Inc. Foundation Fighting Blindness Retinal Degeneration Fund 3,792,171 4.66 -30.95
2026-05-19 13D/A SDEV / Stablecoin Development Corporation Framework Ventures IV L.P. 32,715,086 46.40 47.68
2026-05-19 13D/A SDEV / Stablecoin Development Corporation R01 Fund LP 37,548,058 50.30 42.92
2026-05-19 13D/A NKTX / Nkarta, Inc. New Enterprise Associates 15, L.P. 3,568,781 4.90 0.00
2026-05-19 13D/A PUBC / PureBase Corporation Dockter A Scott 109,481,634 39.40 144.58
2026-05-18 13D/A WHWK / Whitehawk Therapeutics, Inc. Acuta Capital Partners, Llc 4,843,775 9.00 152.11
2026-05-18 13D/A XOMA / XOMA Royalty Corporation Biotechnology Value Fund L P 7,593,303 43.30 193.14
2026-05-18 13D/A CASIF / CASI Pharmaceuticals, Inc. He Wei-Wu 23,985,535 58.80 26.34
2026-05-18 13D/A SRZN / Surrozen, Inc. Column Group Iii Gp, Lp 3,824,612 29.30 0.00
2026-05-15 13D/A LTRN / Lantern Pharma Inc. Bios Advisors Gp, Llc 571,305 4.48
2026-05-15 13D/A NVAX / Novavax, Inc. Shah Capital Management 14,841,000 9.03 -0.03
2026-05-14 13D/A ATRA / Atara Biotherapeutics, Inc. Redmile Group, LLC 950,994 9.90 26.59
2026-05-14 13D/A WHWK / Whitehawk Therapeutics, Inc. Avoro Capital Advisors LLC 18,292,675 19.99 53.53
2026-05-14 13D/A NAMS / NewAmsterdam Pharma Company N.V. BCLS Fund III Investments, LP 2,059,896 1.76 -61.69
2026-05-14 13D/A HOWL / Werewolf Therapeutics, Inc. Ra Capital Management, L.p. 6,116,140 12.60 -8.46
2026-05-13 13D/A ARMP / Armata Pharmaceuticals, Inc. Innoviva, Inc. 55,467,459 82.70 0.00
2026-05-13 13D/A VRDN / Viridian Therapeutics, Inc. Fairmount Funds Management LLC 17,201,800 14.04 7.34
2026-05-12 13D/A HOWL / Werewolf Therapeutics, Inc. MPM BioVentures 2014, L.P. 1,826,646 3.80 -29.97
2026-05-12 13D/A FR:VLA / Valneva SE Bpifrance Participations SA 19,074,653 9.30
2026-05-11 13D/A ATRA / Atara Biotherapeutics, Inc. Panacea Innovation Ltd 1,318,894 16.10 139.80
2026-05-11 13D/A AURA / Aura Biosciences, Inc. Matrix Capital Management Company, LP 0 0.00 -100.00
2026-05-08 13D/A LXRX / Lexicon Pharmaceuticals, Inc. Invus Global Management, LLC 175,156,062 39.40
2026-05-07 13D/A LONA / LeonaBio, Inc. Perceptive Advisors Llc 1,882,370 19.99 1.24
2026-05-07 13D/A TRVI / Trevi Therapeutics, Inc. New Enterprise Associates 16, L.P. 15,074,080 10.50 0.00
2026-05-06 13D/A QTTB / Q32 Bio Inc. Orbimed Advisors Llc 2,252,987 13.30 0.00
2026-05-06 13D/A RLYB / Rallybio Corporation 5AM Ventures V, L.P. 0 0.00 -100.00
2026-05-05 13D/A HOWL / Werewolf Therapeutics, Inc. MPM BioVentures 2014, L.P. 2,608,501 5.40 -22.57
2026-05-05 13D/A TRAW / Traws Pharma, Inc. Orbimed Advisors Llc 1,876,198 11.90 146.60