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

Institutional Holders (2014Q3)
Portfolio Summary: 137 Institutional holders with a total value of $479,113,009.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 15,688,138 137,742,000 28.75%
2 VANGUARD GROUP INC 5,620,186 49,345,000 10.30%
3 BlackRock Fund Advisors 4,341,343 38,117,000 7.96%
4 STATE STREET CORP 3,672,150 32,240,000 6.73%
5 MILLENNIUM MANAGEMENT LLC 1,991,222 17,483,000 3.65%
6 DEUTSCHE BANK AG\ 1,890,244 16,595,000 3.46%
7 Consonance Capital Management LP 1,536,902 13,494,000 2.82%
8 NORTHERN TRUST CORP 1,130,109 9,923,000 2.07%
9 BlackRock Institutional Trust Company, N.A. 1,126,576 9,891,000 2.06%
10 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 839,397 7,370,000 1.54%
11 PUTNAM INVESTMENTS LLC 778,244 6,833,000 1.43%
12 Bank of New York Mellon Corp 773,743 6,794,000 1.42%
13 MORGAN STANLEY 743,586 6,529,000 1.36%
14 CITY NATIONAL BANK 714,135 6,270,000 1.31%
15 LORD, ABBETT & CO. LLC 616,512 5,413,000 1.13%
16 Tekla Capital Management LLC 567,787 4,985,000 1.04%
17 CREDIT SUISSE AG/ 547,373 4,806,000 1.00%
18 GEODE CAPITAL MANAGEMENT, LLC 519,013 4,556,000 0.95%
19 TIAA CREF INVESTMENT MANAGEMENT LLC 458,881 4,029,000 0.84%
20 FULLER & THALER ASSET MANAGEMENT, INC. 456,700 4,010,000 0.84%
21 STONERIDGE INVESTMENT PARTNERS LLC 425,975 3,740,000 0.78%
22 BLAIR WILLIAM & CO/IL 423,700 3,720,000 0.78%
23 Portolan Capital Management, LLC 422,975 3,714,000 0.78%
24 JPMORGAN CHASE & CO 343,880 3,019,000 0.63%
25 JANE STREET GROUP, LLC 322,161 2,829,000 0.59%
26 RENAISSANCE TECHNOLOGIES LLC 321,213 2,820,000 0.59%
27 GOLDMAN SACHS GROUP INC 309,812 2,720,000 0.57%
28 NEW YORK STATE COMMON RETIREMENT FUND 292,400 2,567,000 0.54%
29 SUSQUEHANNA INTERNATIONAL GROUP, LLP 285,400 2,506,000 0.52% Call
30 B & T Capital Management DBA Alpha Capital Management 273,092 2,398,000 0.50%
31 Informed Momentum Co LLC 272,905 2,396,000 0.50%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 272,391 2,392,000 0.50%
33 BlackRock Investment Management, LLC 271,772 2,386,000 0.50%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 227,100 1,994,000 0.42% Put
35 J.P. Morgan Private Wealth Advisors LLC 204,498 1,795,000 0.37%
36 BLACKROCK ADVISORS LLC 201,868 1,772,000 0.37%
37 Invesco Ltd. 201,427 1,769,000 0.37%
38 RUSSELL FRANK CO/ 196,622 1,726,000 0.36%
39 CADENCE CAPITAL MANAGEMENT LLC 192,910 1,694,000 0.35%
40 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 181,172 1,591,000 0.33%
41 CAMBRIDGE TRUST CO 180,003 1,580,000 0.33%
42 MARSHALL WACE, LLP 176,647 1,551,000 0.32%
43 D. E. Shaw & Co., Inc. 169,710 1,490,000 0.31%
44 ALLIANCEBERNSTEIN L.P. 161,100 1,414,000 0.30%
45 WELLINGTON MANAGEMENT GROUP LLP 160,056 1,405,000 0.29%
46 CITADEL ADVISORS LLC 159,302 1,399,000 0.29%
47 TEACHERS ADVISORS, LLC 158,614 1,393,000 0.29%
48 UBS AG 157,790 1,385,000 0.29%
49 Connor, Clark & Lunn Investment Management Ltd. 157,500 1,383,000 0.29%
50 TWO SIGMA INVESTMENTS, LP 143,900 1,263,000 0.26%
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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.