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MERRIMACK PHARMACEUTICALS IN
MERRIMACK PHARMACEUTICALS IN. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 150 Institutional holders with a total value of $418,258,129.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 MILLENNIUM MANAGEMENT LLC 124,378 507,000 0.12%
52 Nationwide Fund Advisors 112,384 459,000 0.11%
53 ProShare Advisors LLC 105,233 429,000 0.10%
54 SUSQUEHANNA INTERNATIONAL GROUP, LLP 104,000 424,000 0.10% Call
55 J.P. Morgan Private Wealth Advisors LLC 96,000 392,000 0.09%
56 Allianz Asset Management GmbH 89,646 366,000 0.09%
57 METROPOLITAN LIFE INSURANCE CO/NY 87,386 357,000 0.09%
58 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 86,700 354,000 0.08%
59 MANUFACTURERS LIFE INSURANCE COMPANY, THE 85,122 347,000 0.08%
60 WELLS FARGO & COMPANY/MN 85,040 347,000 0.08%
61 GARRISON BRADFORD & ASSOCIATES INC 77,700 317,000 0.08%
62 WOLVERINE TRADING LP /BD 73,900 302,000 0.07% Call
63 BlackRock Group LTD 73,274 298,000 0.07%
64 AMERICAN INTERNATIONAL GROUP, INC. 70,183 286,000 0.07%
65 SG Americas Securities, LLC 63,191 258,000 0.06%
66 Weiss Multi-Strategy Advisers LLC 62,000 253,000 0.06%
67 SIMPLEX TRADING, LLC 61,304 250,000 0.06%
68 GROUP ONE TRADING LLC 59,286 242,000 0.06%
69 BARCLAYS PLC 58,915 241,000 0.06%
70 Private Advisor Group, LLC 73,156 241,000 0.06%
71 WOLVERINE TRADING LP /BD 57,400 234,000 0.06% Put
72 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 54,508 222,000 0.05%
73 SEI INVESTMENTS CO 53,390 218,000 0.05%
74 WOLVERINE ASSET MANAGEMENT LLC 51,900 211,000 0.05% Put
75 VOYA INVESTMENT MANAGEMENT LLC 50,986 208,000 0.05%
76 BANK OF AMERICA CORP /DE/ 51,096 208,000 0.05%
77 PERCEPTIVE ADVISORS LLC 48,910 200,000 0.05%
78 CITADEL ADVISORS LLC 46,800 191,000 0.05% Call
79 TUDOR INVESTMENT CORP ET AL 45,209 184,000 0.04%
80 RAYMOND JAMES & ASSOCIATES 44,264 181,000 0.04%
81 Birchview Capital, LP 44,000 180,000 0.04%
82 PRICE T ROWE ASSOCIATES INC /MD/ 43,600 178,000 0.04%
83 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 42,097 172,000 0.04%
84 CITIGROUP INC 40,700 166,000 0.04% Call
85 LEJEUNE PUETZ INVESTMENT COUNSEL LLC 3,976 161,000 0.04%
86 Legal & General Group Plc 36,791 151,000 0.04%
87 CITIGROUP INC 36,600 149,000 0.04% Put
88 Commonwealth Equity Services, Inc 35,175 144,000 0.03%
89 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 34,739 142,000 0.03%
90 Princeton Portfolio Strategies Group LLC 33,190 135,000 0.03%
91 CITADEL ADVISORS LLC 32,800 134,000 0.03% Put
92 Squarepoint Ops LLC 32,583 133,000 0.03%
93 PNC FINANCIAL SERVICES GROUP, INC. 31,920 130,000 0.03%
94 DekaBank Deutsche Girozentrale 30,000 126,000 0.03%
95 SVB WEALTH LLC 30,550 125,000 0.03%
96 Manchester Capital Management LLC 30,000 122,000 0.03%
97 PARAMETRIC PORTFOLIO ASSOCIATES LLC 29,616 121,000 0.03%
98 BANK OF MONTREAL /CAN/ 20,882 115,000 0.03%
99 HSBC HOLDINGS PLC 27,569 113,000 0.03%
100 Virtu KCG Holdings LLC 26,938 110,000 0.03%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.