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)
2018‑09‑20 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
2018‑09‑17 SC 13D New Enterprise Associates 14, L.P. ADAP / Adaptimmune Therapeutics 98,921,868 15.7 36.46
2018‑09‑14 SC 13D Centurium Capital Partners 2018, L.p. CBPO / China Biologic Products 3,050,000 7.9
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
2018‑08‑28 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 CITIC Capital Holdings Ltd CBPO / China Biologic Products 2,680,863 6.82 59.49
2018‑08‑22 SC 13D/A BIOTIME INC AST / Asterias Biotherapeutics 13.0
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
2018‑08‑17 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 1,202,363 6.4 -19.65
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
2018‑08‑09 SC 13D Biotest Divestiture Trust ADMA / ADMA Biologics 10,109,534 21.8
2018‑08‑08 SC 13D Alliance Investment Management Ltd MBOT / Microbot Medical 2,395,495 5.69
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
2018‑07‑31 SC 13D/A GREAT POINT PARTNERS LLC BCRX / BioCryst Pharmaceuticals 7,478,275 7.57 0.00
2018‑07‑25 SC 13D/A Friedli Peter OSIR / Osiris Therapeutics 14,810,455 42.9
2018‑07‑25 SC 13D/A Clarus Lifesciences II, L.P. NSTG / NanoString Technologies 4,165,781 14.03 0.22
2018‑07‑23 SC 13D/A SCOPIA CAPITAL MANAGEMENT LP ACOR / Acorda Therapeutics 7,227,791 15.4 -6.81
2018‑06‑27 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 1,496,375 7.8 -18.38
2018‑06‑20 SC 13D/A SCOPIA CAPITAL MANAGEMENT LP ACOR / Acorda Therapeutics 7,755,561 16.5 -8.49
2018‑06‑20 SC 13D/A GREAT POINT PARTNERS LLC BCRX / BioCryst Pharmaceuticals 7,478,275 7.58 0.00
2018‑06‑18 SC 13D CITIC Capital Holdings Ltd CBPO / China Biologic Products 1,680,863 5.1
2018‑05‑31 SC 13D/A Alta Partners VIII, L.P. AGTC / Applied Genetic Technologies 51,896 0.3 -95.46
2018‑05‑24 SC 13D/A Sofinnova Venture Partners IX, L.P. LIFE / aTyr Pharma 1,694,528 5.7 -9.25
2018‑05‑21 SC 13D/A Biotest Pharmaceuticals Corp ADMA / ADMA Biologics 10,109,534 27.53
2018‑05‑18 SC 13D/A BIOTIME INC AST / Asterias Biotherapeutics 13.0
2018‑05‑18 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 1,833,332 8.9 0.00
2018‑05‑17 SC 13D/A Adage Capital Partners GP LLC AVXS / AveXis 0 0.0 -100.00
2018‑05‑15 SC 13D/A Lee's Pharmaceutical Holdings Ltd WINT / Windtree Therapeutics 3,122,488 78.0 -2.51
2018‑05‑14 SC 13D/A SPECTRUM PHARMACEUTICALS INC CASI / CASI Pharmaceuticals 11,547,675 13.42
2018‑05‑02 SC 13D/A Baker Brothers Advisors LP SGEN / Seattle Genetics 50,831,621 32.1 2.03
2018‑04‑20 SC 13D Adage Capital Partners GP LLC AVXS / AveXis 2,225,000 6.04
2018‑04‑13 SC 13D Lph Ii Investments Ltd WINT / Windtree Therapeutics 541,667 14.0
2018‑04‑13 SC 13D/A Warbington Timothy JLLM / Jolley Marketing 74,977,884 15.6 15.15
2018‑04‑11 SC 13D/A Puissance Cross-border Opportunities V Llc TCON / TRACON Pharmaceuticals 4,601,768 15.5 0.00
2018‑04‑06 SC 13D/A Lee's Pharmaceutical Holdings Ltd WINT / Windtree Therapeutics 3,202,818 65.0
2018‑04‑05 SC 13D Puissance Cross-border Opportunities V Llc TCON / TRACON Pharmaceuticals 4,601,768 15.5
2018‑04‑04 SC 13D/A He Wei-wu CASI / CASI Pharmaceuticals 9,305,958 10.4 49.62
2018‑04‑03 SC 13D/A New Enterprise Associates 14, L.P. TCON / TRACON Pharmaceuticals 3,568,753 19.99 29.39
2018‑04‑03 SC 13D/A BIOTIME INC AST / Asterias Biotherapeutics 13.0
2018‑04‑02 SC 13D RA Capital Management, LLC BCRX / BioCryst Pharmaceuticals 6,984,692 7.1 0.00
2018‑03‑30 SC 13D/A Broadwood Partners LP AST / Asterias Biotherapeutics 8,624,040 21.3
2018‑03‑29 SC 13D/A ORBIMED ADVISORS LLC ADAP / Adaptimmune Therapeutics 30,607,860 5.44 -17.04
2018‑03‑29 SC 13D/A Manchester Management Pr, Llc FENCF / Fennec Pharmaceuticals 1,833,332 9.6
2018‑03‑20 SC 13D/A Ho Chi Sing CASI / CASI Pharmaceuticals 9,848,370 15.1