Activist Investor 13D Filings


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.

DateFormInvestorTargetSharesOwnership
(Percent)
Ownership Change
(Percent)
2018‑09‑24 SC 13D/A Baker Brothers Advisors LP ACAD / ACADIA Pharmaceuticals 28,570,614 22.8 4.50
2018‑09‑18 SC 13D/A GLAXOSMITHKLINE PLC CCXI / ChemoCentryx 7,343,492 14.6 0.00
2018‑09‑18 SC 13D/A Satter Muneer A VTL / Vital Therapies 215,442 0.51 -98.14
2018‑09‑17 SC 13D/A BFI Co., LLC PAHC / Phibro Animal Health 202,255,141 50.1 -0.98
2018‑09‑14 SC 13D BML Investment Partners, L.P. OVAS / Ovascience 3,567,000 9.96 55.09
2018‑09‑13 SC 13D/A TANG CAPITAL PARTNERS LP HRTX / Heron Therapeutics 7,967,078 9.99 -9.08
2018‑09‑10 SC 13D/A MacAndrews & Forbes Inc. VTVT / vTv Therapeutics 36,218,756 83.6 0.00
2018‑09‑07 SC 13D/A ORBIMED ADVISORS LLC STDY / SteadyMed 0 0.0 -100.00
2018‑09‑05 SC 13D Sarissa Capital Management LP APRI / Apricus Biosciences 1,152,455 4.8
2018‑08‑30 SC 13D/A MPM BIOVENTURES III-QP L.P. RDUS / Radius Health 100,000 0.0 -97.57
2018‑08‑27 SC 13D/A TVM Life Science Ventures VI LP ACER / Acer Therapeutics 2,672,309 26.6 0.00
2018‑08‑24 SC 13D/A White Winston Select Asset Fund Series Fund Mp-18, Llc MSLP / MusclePharm 2,927,677 19.87 0.00
2018‑08‑24 SC 13D/A TVM Life Science Ventures VI LP ACER / Acer Therapeutics 2,672,309 26.6 11.47
2018‑08‑20 SC 13D/A ARMISTICE CAPITAL, LLC CERC / Cerecor 31,765,714 64.7 4.71
2018‑08‑20 SC 13D/A Engaged Capital LLC PETX / Aratana Therapeutics 3,874,411 8.1 19.50
2018‑08‑20 SC 13D/A Flynn James E ALPN / Alpine Immune Sciences 690,537 4.99
2018‑08‑17 SC 13D/A FARALLON CAPITAL MANAGEMENT LLC RDUS / Radius Health 2,043,149 4.5 -42.91
2018‑08‑14 SC 13D/A MacAndrews & Forbes Inc. VTVT / vTv Therapeutics 36,218,756 83.6 0.00
2018‑08‑13 SC 13D/A KOSKI FAMILY LP OGEN / Oragenics 2,017,627 16.7 -10.95
2018‑08‑10 SC 13D/A ARMISTICE CAPITAL, LLC EYEG / Eyegate Pharmaceuticals 16,802,500 38.7 0.36
2018‑08‑08 SC 13D/A Broadfin Capital, LLC BDSI / BioDelivery Sciences International 5,923,325 9.98 38.43
2018‑08‑07 SC 13D/A Engaged Capital LLC PETX / Aratana Therapeutics 3,242,312 6.8 35.10
2018‑08‑06 SC 13D/A BB BIOTECH AG RDUS / Radius Health 6,372,322 14.0 12.24
2018‑08‑01 SC 13D/A Baker Brothers Advisors LP BGNE / BeiGene 155,703,388 22.3 0.14
2018‑08‑01 SC 13D/A MacAndrews & Forbes Inc. VTVT / vTv Therapeutics 36,218,756 83.6 28.52
2018‑07‑30 SC 13D/A SHROTRIYA RAJESH C MD SPPI / Spectrum Pharmaceuticals 4,988,879 4.67 -18.88
2018‑07‑27 SC 13D/A Hoffman Michael B ONTX / Onconova Therapeutics 5,831,116 7.4 313.45
2018‑07‑26 SC 13D Healthcare Value Capital, LLC NVLN / NOVELION THERAPEUTICS 1,313,387 7.0 0.00
2018‑07‑25 SC 13D/A WYNNEFIELD PARTNERS SMALL CAP VALUE LP I MSLP / MusclePharm 1,643,305 11.2 -88.85
2018‑07‑25 SC 13D/A Stetson John MBVX / MabVax Therapeutics Holdings 447,195 4.99 -62.87
2018‑07‑24 SC 13D/A WYNNEFIELD PARTNERS SMALL CAP VALUE LP I MSLP / MusclePharm 14,731,667 11.2 1,002.42
2018‑07‑23 SC 13D/A Equilibria Capital Management Ltd GALE / Galena Biopharma 3,053,299 22.9 0.06
2018‑07‑20 SC 13D/A KIDRON NADAV ORMP / Oramed Pharmaceuticals 2,632,060 14.8 12.53
2018‑07‑20 SC 13D/A Slager David Mark ORMP / Oramed Pharmaceuticals 1,327,616 7.6 0.42
2018‑07‑16 SC 13D/A EdgePoint Investment Group Inc. NVLN / NOVELION THERAPEUTICS 2,456,062 4.83 -0.00
2018‑07‑13 SC 13D/A Eastern Capital LTD IBIO / iBio 8,498,512 48.0 -4.87
2018‑07‑12 SC 13D/A AISLING CAPITAL III LP LOXO / Loxo Oncology 2,038,920 6.8 -44.73
2018‑07‑11 SC 13D/A LFB Biotechnologies S.A.S.U. TGTX / TG Therapeutics 2,614,855 3.4 -65.66
2018‑07‑10 SC 13D/A MacAndrews & Forbes Inc. VTVT / vTv Therapeutics 28,181,305 79.8 0.00
2018‑07‑10 SC 13D/A Growth Equity Opportunities IV, LLC AVEO / AVEO Pharmaceuticals 28,146,416 21.8 5.32
2018‑07‑03 SC 13D/A Satter Muneer A AKBA / Akebia Therapeutics 3,067,043 5.4 0.41
2018‑07‑03 SC 13D Peizer Terren S BIVI / BioVie 400,833,333 80.3
2018‑07‑02 SC 13D Liu Waiping BSPM / Biostar Pharmaceuticals 426,999 16.2
2018‑07‑02 SC 13D/A Healios K.k. ATHX / Athersys 16,000,000 11.3 0.00
2018‑06‑29 SC 13D White Winston Select Asset Fund Series Fund Mp-18, Llc MSLP / MusclePharm 2,927,677 19.87
2018‑06‑29 SC 13D/A Invus, L.P. LXRX / Lexicon Pharmaceuticals 60,240,864 56.9 2.10
2018‑06‑29 SC 13D/A Baupost Group LLC/MA KERX / Keryx Biopharmaceuticals 61,374,013 39.35 0.00
2018‑06‑28 SC 13D/A Eastern Capital LTD IBIO / iBio 8,933,512 48.0 -80.47
2018‑06‑28 SC 13D/A Sagard Capital Partners, L.P. JAGX / Jaguar Animal Health 3,314,956 22.5 -93.33
2018‑06‑27 SC 13D Pontifax Management 4 G.p. (2015) Ltd. ARQL / ArQule 2,238,000 8.8