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
FMR LLC 10.71M $523.58M Mar 2017
Wellington Management Company, LLP 9.98M $488.11M Mar 2017
BlackRock Fund Advisors 6.83M $231.83M Dec 2016
The Vanguard Group,Inc 6.09M $297.84M Mar 2017
Aviva Holdings 3.83M $187.48M Mar 2017
Corvex Management 3.25M $159.04M Mar 2017
Iridian Asset Management LLC 3.02M $147.81M Mar 2017
GOLDMAN SACHS GROUP INC 2.27M $110.86M Mar 2017
STATE STREET CORPORATION 2.04M $99.61M Mar 2017
Partner Fund Management, L.P. 1.85M $90.50M Mar 2017
Bridger Management LLC 1.82M $88.92M Mar 2017
BlackRock Institutional Trust Company, N.A. 1.82M $61.66M Dec 2016
Sarissa Capital Management 1.75M $85.67M Mar 2017
DIMENSIONAL FUND ADVISORS 1.44M $70.55M Mar 2017
Franklin Resources, Inc. 1.42M $69.54M Mar 2017
T. Rowe Price Associates, Inc. 1.39M $67.98M Mar 2017
THREE BAYS CAPITAL 1.36M $66.68M Mar 2017
Gail Mannix 1.32M $64.46M Mar 2017
Boxer Capital 1.22M $59.41M Mar 2017
ALLIANCEBERNSTEIN, L.P. 1.19M $58.42M Mar 2017
venBio Select Advisor 1.19M $57.95M Mar 2017
Blue Ridge Capital 1.10M $53.79M Mar 2017
PointState Capital 1.10M $53.55M Mar 2017
UBS GLOBAL ASSET MANAGEMENT AMERICAS 1.08M $52.85M Mar 2017
First Eagle Investment Management, LLC 990899 $48.45M Mar 2017
Invesco Ltd. 979202 $47.88M Mar 2017
Bank of America Corporation 946884 $46.30M Mar 2017
SUSQUEHANNA INTERNATIONAL 881648 $43.11M Mar 2017
NORTHERN TRUST 874008 $42.80M Mar 2017
Bank of New York Mellon 870093 $42.55M Mar 2017
Antipodean Advisors LLC 830434 $40.61M Mar 2017
Elk Creek Partners 798704 $39.06M Mar 2017
Damian Sousa 785984 $38.43M Mar 2017
Rock Springs Capital Management 700000 $34.23M Mar 2017
Slate Path Capital 680000 $33.25M Mar 2017
OppenheimerFunds, Inc. 616202 $30.13M Mar 2017
JPMORGAN CHASE & CO 613773 $29.58M Mar 2017
Geode Capital Management, LLC 606828 $29.67M Mar 2017
Macquarie Group Limited 604900 $29.58M Mar 2017
Frontier Capital Management Co., LLC 604020 $29.54M Mar 2017
RTW INVESTMENTS 572689 $28.00M Mar 2017
Principal Financial Group, Inc. 554133 $27.10M Mar 2017
PanAgora Asset Management 498254 $24.36M Mar 2017
Ameriprise Financial, Inc. 442073 $21.62M Mar 2017
Barclays PLC 394948 $19.32M Mar 2017
Teachers Advisors 392208 $19.18M Mar 2017
BlackRock Investment Management 348187 $11.82M Dec 2016
Charles Schwab Investment Management, Inc. 293628 $14.36M Mar 2017
Ashford Capital Management 293444 $14.35M Mar 2017
HighVista Strategies LLC 268240 $13.12M Mar 2017
Iguana Healthcare Management 250000 $12.22M Mar 2017
Cutler 245817 $9.34M Jun 2017
Broadfin Capital, LLC 215077 $10.52M Mar 2017
Westfield Capital Management Company, L.P. 194000 $9.49M Mar 2017
TIAA-CREF Investment Management 187730 $9.18M Mar 2017
New York State Common Retirement Fund 186176 $9.10M Mar 2017
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 184697 $9.03M Mar 2017
CITADEL ADVISORS LLC 178900 $8.75M Mar 2017
Deutsche Bank Aktiengesellschaft 168996 $0 Mar 2017
Renaissance Technologies, L.L.C. 162332 $7.94M Mar 2017
CalPERS 154200 $7.54M Mar 2017
Parametric Portfolio Associates 151934 $7.43M Mar 2017
Creative Planning 150900 $5.74M Jun 2017
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 148807 $7.28M Mar 2017
Citigroup Inc. 147179 $7.20M Mar 2017
RHUMBLINE ADVISERS 145547 $7.12M Mar 2017
BlackRock Group 144867 $4.91M Dec 2016
HAP Trading 142700 $328210 Mar 2017
KBC Group NV 139375 $6.82M Mar 2017
First Light Asset Management 136739 $6.69M Mar 2017
MORGAN STANLEY 133634 $6.52M Mar 2017
California State Teachers Retirement System 132806 $6.49M Mar 2017
PUTNAM INVESTMENTS 132777 $6.55M Mar 2017
WOLVERINE TRADING 131428 $6.45M Mar 2017
University of Notre Dame du Lac 129938 $4.41M Dec 2016
Legal & General Group Plc 124630 $6.09M Mar 2017
PRUDENTIAL FINANCIAL 122552 $5.99M Mar 2017
Swiss National Bank 116650 $5.70M Mar 2017
Federated Investors 106963 $5.23M Mar 2017
The Great-West Life Assurance Company 101034 $4.94M Mar 2017
Artal Group S.A. 100000 $4.89M Mar 2017
Allianz Asset Management AG 95987 $4.69M Mar 2017
SEI INVESTMENTS 92201 $4.75M Mar 2017
JANE STREET 90880 $4.44M Mar 2017
Credit Suisse AG 85264 $0 Mar 2017
Parallax Volatility Advisers, LLC 83100 $4.06M Mar 2017
Wells Fargo & Company 82920 $4.05M Mar 2017
Nationwide Fund Advisors 80595 $3.94M Mar 2017
Point72 Asset Management 80496 $3.94M Mar 2017
RA Capital Management, LLC 79899 $3.91M Mar 2017
Brian McDonald 79694 $3.87M Mar 2017
Guggenheim Capital, LLC Managers 77192 $3.78M Mar 2017
Candriam Luxembourg S.C.A. 77000 $3.77M Mar 2017
Atika Capital Management 76000 $3.72M Mar 2017
York Capital Management Global Advisors, LLC 75000 $3.67M Mar 2017
GROUP ONE TRADING 74523 $3.64M Mar 2017
Longwood Capital Partners 70000 $3.42M Mar 2017
American Century Companies, Inc. 68597 $3.35M Mar 2017
United Services Automobile Association 66195 $3.24M Mar 2017
State of Tennessee, Treasury Department 65206 $3.19M Mar 2017
Eudaimonia Asset Management LLC 63753 $3.12M Mar 2017
Wolverine Asset Management, Inc. 61300 $2.97M Mar 2017
MUTUAL OF AMERICA CAPITAL MANAGEMENT 60685 $2.97M Mar 2017
UBS Group AG 58376 $2.85M Mar 2017
D. E. Shaw & Co., Inc. (see notes 1, 2 and 3) 58125 $2.84M Mar 2017
Graticule Asia Macro Advisors 52618 $2.57M Mar 2017
The Manufacturers Life Insurance Company 52172 $2.55M Mar 2017
TEXAS PERMANENT SCHOOL FUND 51680 $2.53M Mar 2017
TrueNorth, Inc. 50761 $2.48M Mar 2017
Public Sector Pension Investment Board 50326 $2.46M Mar 2017
ProShare Advisors LLC 48717 $2.38M Mar 2017
Quantitative Investment Management 48100 $2.35M Mar 2017
Retirement Systems of Alabama 46221 $2.26M Mar 2017
Metropolitan Life Insurance Company 46033 $2.25M Mar 2017
AMERICAN INTERNATIONAL 40793 $2.00M Mar 2017
TIAA CREF TRUST CO FSB/MO 39457 $1.93M Mar 2017
Florida State Board of Administration 39380 $1.93M Mar 2017
Partner Investment Management, L.P. 38703 $1.89M Mar 2017
Thrivent Financial for Lutherans 38120 $1.86M Mar 2017
Arizona State Retirement System 37196 $1.82M Mar 2017
BlackRock Advisors 37079 $1.26M Dec 2016
Signpost Capital Advisors 34423 $1.68M Mar 2017
DekaBank Deutsche Girozentrale 31500 $1.54M Mar 2017
ING INVESTMENT MANAGEMENT 31256 $1.53M Mar 2017
PineBridge Investments 30698 $1.04M Dec 2016
KCG Holdings 30554 $1.49M Mar 2017
Louisiana State Employees Retirement System 29400 $1.12M Jun 2017
Aperio Group LLC 28973 $1.10M Jun 2017
Virtus ETF Advisers 28251 $1.38M Mar 2017
Opus Point Partners Management 28000 $1.37M Mar 2017
Royce & Associates, LLC. 27432 $1.34M Mar 2017
Advisors Asset Management, Inc. 26217 $1.28M Mar 2017
Twin Focus Capital Partners 26000 $881920 Dec 2016
Whittier Trust 25697 $975972 Jun 2017
Spot Trading L.L.C 23900 $1.17M Mar 2017
Russell Investments 23115 $1.13M Mar 2017
Employees Retirement System of Texas 22000 $1.08M Mar 2017
PEAK6 Investments, L.P. 21627 $1.06M Mar 2017
Bellevue Group AG 21500 $1.05M Mar 2017
Walleye Trading, LLC 21465 $1.05M Mar 2017
Millennium Management LLC 20000 $978000 Mar 2017
TD Asset Management Inc. 18300 $895053 Mar 2017
Paradigm Asset Management Company, LLC 18100 $885090 Mar 2017
ProFund Advisors LLC 17140 $837974 Mar 2017
Mason Street Advisors, LLC 16691 $816022 Mar 2017
Trexquant Investment 16300 $797070 Mar 2017
Hanseatic Management Services, Inc. 16249 $795063 Mar 2017
Capstone Investment Advisors, LLC 16100 $786968 Mar 2017
Municipal Employees' Retirement System of Michigan 15850 $775065 Mar 2017
Public Employees' Retirement Association of Colorado 15764 $771017 Mar 2017

Who sold Medicines Company?

Fund Name Date Sold Shares Held Valued At
Hambrecht & Quist Capital Management LLC Dec. 31, 2016 771638 $26.19M
Dr. Jeffrey R. Jay, M.D. Dec. 31, 2016 750000 $25.45M
EverPoint Asset Management Sept. 30, 2016 750000 $28.30M
Norges Bank Investment Management Dec. 31, 2016 665846 $22.60M
Loomis, Sayles and Dec. 31, 2016 367190 $12.46M
Folger Hill Asset Management Dec. 31, 2016 312930 $10.62M
Marshall Wace Dec. 31, 2016 283622 $9.63M
Nuveen Asset Management, LLC Dec. 31, 2016 271883 $9.23M
Perceptive Advisors LLC Dec. 31, 2016 200000 $1.07M
Sabby Management Dec. 31, 2016 112392 $3810
Ghost Tree Capital Dec. 31, 2016 75000 $2.55M
FRED ALGER MANAGEMENT, INC. Dec. 31, 2016 69319 $2.35M
SG Americas Securities, LLC. Dec. 31, 2016 68205 $2.31M
BNP PARIBAS INVESTMENT PARTNERS S.A. Dec. 31, 2016 67544 $2.29M
NUMERIC INVESTORS LLC Dec. 31, 2016 66600 $2.26M