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Notable Holders of Medicines Co (MDCO)

  |   Expand Research on MDCO   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
BlackRock Fund Advisors COM 6,830,448 10.51% 13F
BlackRock Institutional Trust Company, N.A. COM 1,816,674 2.79% 13F
RS INVESTMENT MANAGEMENT CO LLC COM 1,195,810 1.84% 13F
PUTNAM INVESTMENT MANAGEMENT LLC 924,348 1.42% 13F
ING INVESTMENT MANAGEMENT CO COM 567,405 0.87% 13F
BlackRock Investment Management, LLC COM 348,187 0.54% 13F
TEACHERS ADVISORS INC CS 262,126 0.40% 13F
Sterling Capital Management LLC COM 173,706 0.27% 13F
BATTERYMARCH FINANCIAL MANAGEMENT INC COM 173,413 0.27% 13F
SPARK LP /DE COM 158,500 0.24% 13F
BlackRock Group LTD COM 144,867 0.22% 13F
ALLIANZ GLOBAL INVESTORS OF AMERICA L P COM 136,300 0.21% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC CS 133,798 0.21% 13F
MANAGED ACCOUNT ADVISORS LLC COM 122,212 0.19% 13F
Iguana Healthcare Management, LLC COM 100,000 0.15% 13F
ROYAL BANK OF CANADA \ COM 59,506 0.09% 13F
Adamant Biomedical Investments AG COM 50,000 0.08% 13F
VERTEX ONE ASSET MANAGEMENT INC. COM 42,400 0.07% 13F
TIAA CREF TRUST CO FSB/MO COMMON STOCK 39,457 0.06% 13F
BLACKROCK ADVISORS LLC COM 37,079 0.06% 13F
Signpost Capital Advisors, LLC COM 34,423 0.05% 13F
SOCIETE GENERALE COM 28,159 0.04% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM 25,990 0.04% 13F
BMO FINANCIAL CORP COM 25,565 0.04% 13F
NORTHERN TRUST CO OF CONNECTICUT COM 24,680 0.04% 13F
Spot Trading L.L.C (CALL) COM 22,900 0.04% 13F
Bascom Hill Partners, LLC COM 20,099 0.03% 13F
Manulife Asset Management (North America) Ltd COM 19,803 0.03% 13F
Flinton Capital Management LLC COM 17,408 0.03% 13F
Foxhall Capital Management, Inc. CS 16,310 0.03% 13F
STIFEL NICOLAUS & CO INC \MO\ Com 15,080 0.02% 13F
COWEN GROUP, INC. (PUT) COM 15,000 0.02% 13F
RIVERHEAD CAPITAL MANAGEMENT LLC COM 14,606 0.02% 13F
Tyers Asset Management LLC COM 14,336 0.02% 13F
CAPSTONE ASSET MANAGEMENT CO COM 13,849 0.02% 13F
Ada Investment Management, LP COM 13,687 0.02% 13F
INTEGRAL DERIVATIVES, LLC (CALL) COM 13,000 0.02% 13F
KNIGHT CAPITAL GROUP, INC. COM 11,392 0.02% 13F
Neuburgh Advisers LLC COM 11,264 0.02% 13F
RUSSELL FRANK CO/ Common Stocks 9,392 0.01% 13F
KCG Holdings, Inc. COM 9,126 0.01% 13F
Meadow Creek Investment Management LLC COM 8,192 0.01% 13F
Charles Schwab Bank COM 7,500 0.01% 13F
VTL Associates, LLC COM 7,282 0.01% 13F