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
2018‑09‑24 SC 13D/A Pw Medtech Group Ltd CBPO / China Biologic Products 6,321,000 16.08 14.49
2018‑09‑20 SC 13D/A Baker Brothers Advisors LP IDRA / Idera Pharmaceuticals 4,887,959 18.0 -87.45
2018‑09‑19 SC 13D/A ORBIMED ADVISORS LLC XTNT / Xtant Medical Holdings 10,414,321 72.6 13.02
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
2018‑09‑17 SC 13D New Enterprise Associates 14, L.P. ADAP / Adaptimmune Therapeutics 98,921,868 15.7 36.46
2018‑09‑14 SC 13D BML Investment Partners, L.P. OVAS / Ovascience 3,567,000 9.96 55.09
2018‑09‑14 SC 13D Centurium Capital Partners 2018, L.p. CBPO / China Biologic Products 3,050,000 7.9
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
2018‑09‑10 SC 13D Schimmel Paul LIFE / aTyr Pharma 1,600,962 5.3
2018‑09‑07 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 923,250 4.9 -23.21
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
2018‑08‑28 SC 13D/A KIRK RANDAL J HALO / Halozyme Therapeutics 14,092,771 9.8 -11.49
2018‑08‑27 SC 13D/A Pw Medtech Group Ltd CBPO / China Biologic Products 5,521,000 14.8 0.00
2018‑08‑27 SC 13D/A TVM Life Science Ventures VI LP ACER / Acer Therapeutics 2,672,309 26.6 0.00
2018‑08‑27 SC 13D/A CITIC Capital Holdings Ltd CBPO / China Biologic Products 2,680,863 6.82 59.49
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
2018‑08‑22 SC 13D/A BIOTIME INC AST / Asterias Biotherapeutics 13.0
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 Gao David CBPO / China Biologic Products 417,143 1.3
2018‑08‑20 SC 13D Gl Capital Management Gp Ltd CBPO / China Biologic Products 1,860,048 5.6
2018‑08‑20 SC 13D/A Flynn James E ALPN / Alpine Immune Sciences 690,537 4.99
2018‑08‑17 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 1,202,363 6.4 -19.65
2018‑08‑17 SC 13D/A FARALLON CAPITAL MANAGEMENT LLC RDUS / Radius Health 2,043,149 4.5 -42.91
2018‑08‑17 SC 13D/A Children's Hospital of Philadelphia Foundation MDGN / Medgenics 21,248,253 31.59 13.64
2018‑08‑16 SC 13D/A KIRK RANDAL J HALO / Halozyme Therapeutics 15,922,747 11.0 -9.49
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
2018‑08‑09 SC 13D Biotest Divestiture Trust ADMA / ADMA Biologics 10,109,534 21.8
2018‑08‑08 SC 13D/A Broadfin Capital, LLC BDSI / BioDelivery Sciences International 5,923,325 9.98 38.43
2018‑08‑08 SC 13D Alliance Investment Management Ltd MBOT / Microbot Medical 2,395,495 5.69
2018‑08‑07 SC 13D/A Engaged Capital LLC PETX / Aratana Therapeutics 3,242,312 6.8 35.10
2018‑08‑07 SC 13D/A Wentz Myron W USNA / USANA Health Sciences 10,205,614 42.2 -3.54
2018‑08‑06 SC 13D/A BB BIOTECH AG RDUS / Radius Health 6,372,322 14.0 12.24
2018‑08‑03 SC 13D/A Biotest AG ADMA / ADMA Biologics 0 0.0 -100.00
2018‑08‑02 SC 13D Redmile Group, LLC FATE / Fate Therapeutics 6,655,962 12.6 -90.00
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
2018‑07‑31 SC 13D/A GREAT POINT PARTNERS LLC BCRX / BioCryst Pharmaceuticals 7,478,275 7.57 0.00
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