MDCO - The Medicines Company

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
4.86%% of Shares Held by All Insider
132.60%% of Shares Held by Institutions
139.38%% of Float Held by Institutions
266Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Wellington Management Company, LLP10,960,086Jun 29, 201913.81%399,714,336
Blackrock Inc.10,932,126Jun 29, 201913.78%398,694,635
FMR, LLC10,855,802Jun 29, 201913.68%395,911,098
Vanguard Group, Inc. (The)7,438,930Jun 29, 20199.37%271,297,777
Westfield Capital Management Company4,647,008Jun 29, 20195.86%169,476,381
Sarissa Capital Management, LP4,202,000Jun 29, 20195.30%153,246,940
Maverick Capital Ltd.3,867,083Jun 29, 20194.87%141,032,517
State Street Corporation3,635,939Jun 29, 20194.58%132,602,695
Slate Path Capital, LP3,545,000Jun 29, 20194.47%129,286,150
Iridian Asset Management LLC3,454,019Jun 29, 20194.35%125,968,072

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Specialized-Health Care Fund5,617,020Jan 30, 20197.08%129,809,332
iShares Core S&P Smallcap ETF4,184,527Jun 29, 20195.27%152,609,699
Fidelity Growth Company Fund2,142,990Jun 29, 20192.70%78,154,845
Vanguard Total Stock Market Index Fund1,775,874Dec 30, 20182.24%33,990,228
Vanguard Small-Cap Index Fund1,711,445Dec 30, 20182.16%32,757,057
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,593,444Jun 29, 20192.01%58,112,902
Fidelity Value Fund1,504,301Jun 29, 20191.90%54,861,857
iShares Russell 2000 ETF1,467,668Jun 29, 20191.85%53,525,851
Delaware Group Equity Fds V-Small Cap Core Fund1,397,255Feb 27, 20191.76%34,470,280
Fidelity Select Portfolios - Health Care1,000,000Jun 29, 20191.26%36,470,000