Who owns Medicines Company?

Top Holders and Investors of MDCO Stock

Find out what company owns Medicines Company, who bought MDCO this quarter, and who sold shares of MDCO stock?

Fund or Company Name Number of Shares Valued At As Of
Wellington Management Company, LLP 9.90M $336.10M Dec 2016
BlackRock Fund Advisors 6.83M $231.83M Dec 2016
The Vanguard Group,Inc 5.78M $195.89M Dec 2016
Corvex Management 3.23M $109.70M Dec 2016
Partner Fund Management, L.P. 2.72M $92.23M Dec 2016
STATE STREET CORPORATION 2.06M $69.76M Dec 2016
BlackRock Institutional Trust Company, N.A. 1.82M $61.66M Dec 2016
Sarissa Capital Management 1.75M $59.46M Dec 2016
Bridger Management LLC 1.62M $55.14M Dec 2016
UBS GLOBAL ASSET MANAGEMENT AMERICAS 1.55M $52.58M Dec 2016
DIMENSIONAL FUND ADVISORS 1.47M $49.91M Dec 2016
T. Rowe Price Associates, Inc. 1.45M $49.16M Dec 2016
Franklin Resources, Inc. 1.42M $48.30M Dec 2016
Invesco Ltd. 1.42M $48.16M Dec 2016
Gail Mannix 1.38M $46.78M Dec 2016
ALLIANCEBERNSTEIN, L.P. 1.27M $43.13M Dec 2016
RS INVESTMENT MANAGEMENT 1.20M $40.22M Jun 2016
First Eagle Investment Management, LLC 1.06M $35.81M Dec 2016
JPMORGAN CHASE & CO 967173 $34.95M Dec 2016
Iridian Asset Management LLC 948420 $32.19M Dec 2016
Bank of America Corporation 919639 $31.21M Dec 2016
SUSQUEHANNA INTERNATIONAL 909612 $30.87M Dec 2016
GOLDMAN SACHS GROUP INC 898177 $30.48M Dec 2016
Wells Fargo & Company 879836 $29.86M Dec 2016
NORTHERN TRUST 850437 $28.86M Dec 2016
Boxer Capital 828198 $28.11M Dec 2016
Bank of New York Mellon 814790 $27.65M Dec 2016
Damian Sousa 789407 $26.79M Dec 2016
Hambrecht & Quist Capital Management LLC 771638 $26.19M Dec 2016
Dr. Jeffrey R. Jay, M.D. 750000 $25.45M Dec 2016
Rock Springs Capital Management 699500 $23.74M Dec 2016
Norges Bank Investment Management 665846 $22.60M Dec 2016
OppenheimerFunds, Inc. 616931 $20.94M Dec 2016
Elk Creek Partners 615573 $20.89M Dec 2016
Macquarie Group Limited 599604 $20.35M Dec 2016
Geode Capital Management, LLC 559719 $19.00M Dec 2016
Principal Financial Group, Inc. 521832 $17.71M Dec 2016
PanAgora Asset Management 472853 $16.05M Dec 2016
Broadfin Capital, LLC 436400 $14.81M Dec 2016
Renaissance Technologies, L.L.C. 415900 $14.12M Dec 2016
Teachers Advisors 388374 $13.18M Dec 2016
RTW INVESTMENTS 374263 $12.70M Dec 2016
Ashford Capital Management 374114 $12.70M Dec 2016
Loomis, Sayles and 367190 $12.46M Dec 2016
Ameriprise Financial, Inc. 353531 $12.00M Dec 2016
BlackRock Investment Management 348187 $11.82M Dec 2016
Folger Hill Asset Management 312930 $10.62M Dec 2016
Charles Schwab Investment Management, Inc. 292950 $9.94M Dec 2016
Marshall Wace 283622 $9.63M Dec 2016
Iguana Healthcare Management 275000 $9.33M Dec 2016
Nuveen Asset Management, LLC 271883 $9.23M Dec 2016
HighVista Strategies LLC 268240 $9.10M Dec 2016
Frontier Capital Management Co., LLC 251790 $8.55M Dec 2016
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 250697 $8.51M Dec 2016
Antipodean Advisors LLC 232434 $7.89M Dec 2016
MORGAN STANLEY 219511 $7.45M Dec 2016
TIAA-CREF Investment Management 202498 $6.87M Dec 2016
Perceptive Advisors LLC 200000 $1.07M Dec 2016
D. E. Shaw & Co., Inc. (see notes 1, 2 and 3) 190952 $6.48M Dec 2016
Federated Investors 182107 $6.18M Dec 2016
CalPERS 166200 $5.64M Dec 2016
Nationwide Fund Advisors 159380 $5.41M Dec 2016
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 148807 $5.05M Dec 2016
BlackRock Group 144867 $4.91M Dec 2016
California State Teachers Retirement System 138806 $4.71M Dec 2016
University of Notre Dame du Lac 129938 $4.41M Dec 2016
First Light Asset Management 127725 $4.33M Dec 2016
Legal & General Group Plc 120906 $4.10M Dec 2016
PRUDENTIAL FINANCIAL 119162 $4.04M Dec 2016
Parametric Portfolio Associates 117527 $3.99M Dec 2016
Deutsche Bank Aktiengesellschaft 116032 $0 Dec 2016
Swiss National Bank 115950 $3.94M Dec 2016
Sabby Management 112392 $3810 Dec 2016
Signpost Capital Advisors 110883 $3.76M Dec 2016
New York State Common Retirement Fund 105140 $3.57M Dec 2016
RHUMBLINE ADVISERS 104602 $3.55M Dec 2016
Cutler 103478 $3.51M Dec 2016
Candriam Luxembourg S.C.A. 103000 $3.50M Dec 2016
TrueNorth, Inc. 100439 $3.79M Sep 2016
Credit Suisse AG 100056 $3.39M Dec 2016
CITADEL ADVISORS LLC 95200 $3.23M Dec 2016
Allianz Asset Management AG 93485 $3.17M Dec 2016
The Great-West Life Assurance Company 92923 $3.15M Dec 2016
KBC Group NV 86538 $2.94M Dec 2016
Citigroup Inc. 83493 $2.94M Dec 2016
Guggenheim Capital, LLC Managers 82134 $2.79M Dec 2016
RA Capital Management, LLC 79899 $2.71M Dec 2016
Ghost Tree Capital 75000 $2.55M Dec 2016
Brian McDonald 74956 $2.86M Dec 2016
FRED ALGER MANAGEMENT, INC. 69319 $2.35M Dec 2016
SG Americas Securities, LLC. 68205 $2.31M Dec 2016
BNP PARIBAS INVESTMENT PARTNERS S.A. 67544 $2.29M Dec 2016
NUMERIC INVESTORS LLC 66600 $2.26M Dec 2016
United Services Automobile Association 66195 $2.25M Dec 2016
American Century Companies, Inc. 65534 $2.22M Dec 2016
Retirement Systems of Alabama 62021 $2.10M Dec 2016
Partner Investment Management, L.P. 61554 $2.09M Dec 2016
WOLVERINE TRADING 60945 $2.07M Dec 2016
ProShare Advisors LLC 60131 $2.04M Dec 2016
ROYAL LONDON ASSET MANAGEMENT 59061 $1.99M Jun 2016
State of Tennessee, Treasury Department 55365 $1.88M Dec 2016
TEXAS PERMANENT SCHOOL FUND 50741 $1.72M Dec 2016
Artal Group S.A. 50000 $1.70M Dec 2016
Royal Bank of Canada 49960 $1.70M Dec 2016
AMERICAN INTERNATIONAL 49702 $1.69M Dec 2016
INTEGRAL DERIVATIVES 49325 $1.68M Dec 2016
Public Sector Pension Investment Board 48926 $1.66M Dec 2016
PUTNAM INVESTMENTS 48304 $1.64M Dec 2016
HAP Trading 47700 $67257 Dec 2016
Metropolitan Life Insurance Company 47145 $1.60M Dec 2016
The Manufacturers Life Insurance Company 46247 $1.57M Dec 2016
BANK OF MONTREAL /CAN/ 45923 $1.60M Dec 2016
Florida State Board of Administration 45830 $1.56M Dec 2016
Royce & Associates, LLC. 45232 $1.54M Dec 2016
MUTUAL OF AMERICA CAPITAL MANAGEMENT 44827 $1.52M Dec 2016
Atika Capital Management 44000 $1.49M Dec 2016
KCG Holdings 41751 $1.42M Dec 2016
TIAA CREF TRUST CO FSB/MO 39457 $1.34M Dec 2016
EQUITEC SPECIALISTS 39300 $1.31M Dec 2016
Wolverine Asset Management, Inc. 39000 $1.30M Dec 2016
Thrivent Financial for Lutherans 37800 $1.28M Dec 2016
BlackRock Advisors 37079 $1.26M Dec 2016
Barclays PLC 37012 $1.25M Dec 2016
Arizona State Retirement System 35796 $1.21M Dec 2016
Neuberger Berman Group LLC 31500 $1.07M Dec 2016
PineBridge Investments 30698 $1.04M Dec 2016
Dai-Ichi Life Insurance Company 30402 $1.03M Dec 2016
SEI INVESTMENTS 28711 $1.06M Dec 2016
SOCIETE GENERALE 28159 $946987 Jun 2016
ING INVESTMENT MANAGEMENT 28063 $951896 Dec 2016
Louisiana State Employees Retirement System 28000 $950040 Dec 2016
Opus Point Partners Management 28000 $950040 Dec 2016
Endurant Capital Management 27300 $927108 Dec 2016
HSBC HOLDINGS PLC 26749 $908663 Dec 2016
Graticule Asia Macro Advisors 26100 $886095 Dec 2016
Twin Focus Capital Partners 26000 $881920 Dec 2016
Virtus ETF Advisers 25534 $866879 Dec 2016
Aperio Group LLC 24079 $817000 Dec 2016
Whittier Trust 23802 $808077 Dec 2016
JANE STREET 21672 $735330 Dec 2016
ProFund Advisors LLC 21072 $714972 Dec 2016
TD Asset Management Inc. 18800 $638072 Dec 2016
Capstone Asset Management Company 17099 $579998 Dec 2016
Municipal Employees' Retirement System of Michigan 15800 $535936 Dec 2016
Public Employees' Retirement Association of Colorado 15764 $535030 Dec 2016
Mason Street Advisors, LLC 15202 $515955 Dec 2016
Advisors Asset Management, Inc. 15199 $516006 Dec 2016
UBS Group AG 13564 $460226 Dec 2016
Princeton Alpha Management 13454 $457032 Dec 2016
BNP PARIBAS ARBITRAGE, SNC 12818 $435042 Dec 2016

Who sold Medicines Company?

Fund Name Date Sold Shares Held Valued At
FMR LLC Sept. 30, 2016 10.45M $394.44M
Camber Capital Management LLC Sept. 30, 2016 2.00M $75.48M
KORNITZER CAPITAL MANAGEMENT INC /KS Sept. 30, 2016 933610 $35.23M
Jennison Associates LLC Sept. 30, 2016 832646 $31.42M
EverPoint Asset Management Sept. 30, 2016 750000 $28.30M
Falcon Edge Capital Sept. 30, 2016 640000 $24.15M
VICTORY CAPITAL MANAGEMENT Sept. 30, 2016 334444 $12.62M
CastleArk Management Sept. 30, 2016 228495 $8.62M
Balyasny Asset Management Sept. 30, 2016 219305 $8.28M
Sio Capital Management, LLC Sept. 30, 2016 179700 $6.78M
Point72 Asset Management Sept. 30, 2016 176900 $6.68M
Nicholas Investments Partners LP Sept. 30, 2016 121678 $4.59M
J. Goldman & Co., L.P. Sept. 30, 2016 88400 $3.34M
DekaBank Deutsche Girozentrale Sept. 30, 2016 72600 $2.77M