Activist Investor 13D, 13G Filings


This table shows recent activist investor (Schedule 13D) and passive investor (13G) 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)
2017‑01‑23 SC 13G Camber Capital Management LLC ELGX / Endologix
2017‑01‑23 SC 13G/A BlackRock Inc. BCR / Bard (C.R.) 7,267,595 9.9
2017‑01‑23 SC 13G/A BlackRock Inc. CERS / Cerus 7,863,687 7.6 18.32
2017‑01‑23 SC 13G/A BlackRock Inc. CSII / Cardiovascular Systems 2,267,546 6.9 22.43
2017‑01‑23 SC 13D GARDNER LEWIS ASSET MANAGEMENT L P DSCI / Derma Sciences 2,171,945 7.7
2017‑01‑20 SC 13G/A UBS ASSET MANAGEMENT AMERICAS INC HTWR / Heartware International 0.0
2017‑01‑20 SC 13G BAILLIE GIFFORD & CO DXCM / DexCom 6,128,804 7.25
2017‑01‑19 SC 13D/A FOUNTAINHEAD CAPITAL MANAGEMENT LTD VYCO / Vycor Medical 9,733,832 55.74 65.47
2017‑01‑19 SC 13G/A BlackRock Inc. ABMD / ABIOMED 3,096,033 7.1 -19.20
2017‑01‑19 SC 13G/A BlackRock Inc. ARAY / Accuray 5,429,687 6.6 -15.83
2017‑01‑19 SC 13G/A BlackRock Inc. MMM / 3M 35,967,152 6.0
2017‑01‑19 SC 13G/A BlackRock Inc. ANGO / AngioDynamics 3,703,106 9.97 21.26
2017‑01‑19 SC 13G/A BlackRock Inc. BDX / Becton, Dickinson 16,561,178 7.8
2017‑01‑19 SC 13G/A BlackRock Inc. BAX / Baxter International 48,741,413 9.0
2017‑01‑19 SC 13G/A BlackRock Inc. BSX / Boston Scientific 96,491,091 7.1
2017‑01‑19 SC 13D/A WYNNE TIMOTHY J ECIA / Encision 581,042 5.4 6.92
2017‑01‑19 SC 13G SABBY MANAGEMENT, LLC AMDA / Amedica 2,100,000 5.79
2017‑01‑18 SC 13G/A JOHNSON & JOHNSON NVRO / Nevro 1,400,824 4.9
2017‑01‑18 SC 13G/A JP MORGAN CHASE & CO GNMK / GenMark Diagnostics 3,323,110 7.1 1.77
2017‑01‑17 SC 13G/A BlackRock Inc. SRDX / SurModics 1,589,623 12.0 11.35
2017‑01‑17 SC 13G/A BlackRock Inc. VASC / Vascular Solutions 2,011,293 11.5 14.19
2017‑01‑13 SC 13D/A SHAW THOMAS J RVP / Retractable Technologies 16,335,642 51.6 13.95
2017‑01‑13 SC 13D/A Broadfin Capital, LLC DSCI / Derma Sciences 0.0
2017‑01‑13 SC 13D/A FOUNTAINHEAD CAPITAL MANAGEMENT LTD VYCO / Vycor Medical 5,882,682 47.16 -10.68
2017‑01‑13 SC 13G/A JP MORGAN CHASE & CO UNIS / Unilife 1,573,109 9.0 -90.13
2017‑01‑12 SC 13G/A BlackRock Inc. HAE / Haemonetics 5,890,641 11.4 12.74
2017‑01‑12 SC 13G/A BlackRock Inc. LMNX / Luminex 5,094,315 11.7 16.60
2017‑01‑12 SC 13G/A BlackRock Inc. MDXG / MiMedx Group 11,340,765 10.4 2.58
2017‑01‑12 SC 13G/A BlackRock Inc. MMSI / Merit Medical Systems 6,294,621 14.1 8.55
2017‑01‑12 SC 13G/A Palo Alto Investors, LLC ABMD / ABIOMED 1,903,584 4.39
2017‑01‑12 SC 13G/A BlackRock Inc. ANIK / Anika Therapeutics 1,675,840 11.5 14.74
2017‑01‑12 SC 13G/A BlackRock Inc. BEAT / BioTelemetry 3,312,870 11.7 18.09
2017‑01‑12 SC 13G/A BlackRock Inc. CMN / Cantel Medical 4,610,150 11.1 8.38
2017‑01‑11 SC 13D/A SOFAR, S.p.A TRXC / TransEnterix 19,266,098
2017‑01‑11 SC 13G/A SABBY MANAGEMENT, LLC GBSN / Great Basin Scientific 16,531,757 9.99 11.34
2017‑01‑10 SC 13G First Light Asset Management, LLC TEAR / TearLab 3,564,488 6.6
2017‑01‑10 SC 13G/A PUTNAM INVESTMENTS LLC GNMK / GenMark Diagnostics 4,082,046 8.8
2017‑01‑09 SC 13G/A BlackRock Inc. ICUI / ICU Medical 1,650,899 10.1 72,851.79
2017‑01‑09 SC 13G/A BlackRock Inc. CRY / CryoLife 3,374,492 10.3 29.39
2017‑01‑09 SC 13G/A SABBY MANAGEMENT, LLC CRDC / Cardica 397,863 4.46 -95.36
2017‑01‑06 SC 13G/A INTEGRATED CORE STRATEGIES (US) LLC SPNE / SeaSpine Holdings 351,497 3.1
2017‑01‑06 SC 13G/A SABBY MANAGEMENT, LLC CYTX / Cytori Therapeutics 1,651,835 8.06 -90.37
2017‑01‑06 SC 13G/A SABBY MANAGEMENT, LLC SSKN / Strata Skin Sciences 1,074,705 9.99 5.64
2017‑01‑06 SC 13G/A SABBY MANAGEMENT, LLC NUROW / NeuroMetrix 531,295 9.99 54.32
2017‑01‑04 SC 13G/A Welsh, Carson, Anderson & Stowe XI, L.P. KTWO / K2M Group Holdings 9,310,926 22.1
2017‑01‑04 SC 13D/A PESSIN NORMAN H CASM / CAS Medical Systems 1,395,777 5.0
2016‑12‑27 SC 13D WYNNE TIMOTHY J ECIA / Encision 543,442 5.1
2016‑12‑21 SC 13D/A U.M. AccelMed, Limited Partnership GI / EndoChoice Holdings 0.0
2016‑12‑14 SC 13G/A Flynn James E IVTY / Invuity 1,690,498 9.98 -9.85
2016‑12‑12 SC 13G/A WELLINGTON MANAGEMENT GROUP LLP IVTY / Invuity 1,770,171 10.46 24.10