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MERRIMACK PHARMACEUTI
MERRIMACK PHARMACEUTI. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 15 Institutional holders with a total value of $219,464,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 33,655,000 63,761,000 29.05% PRN
2 Tetragon Partners GP Ltd 14,870,000 28,544,000 13.01% PRN
3 LORD, ABBETT & CO. LLC 13,184,000 25,206,000 11.49% PRN
4 WOLVERINE ASSET MANAGEMENT LLC 12,600,000 23,999,000 10.94% PRN
5 ARISTEIA CAPITAL, L.L.C. 11,932,000 22,592,000 10.29% PRN
6 TANG CAPITAL MANAGEMENT LLC 5,500,000 10,225,000 4.66% PRN
7 JPMORGAN CHASE & CO 5,290,000 10,087,000 4.60% PRN
8 PUTNAM INVESTMENTS LLC 4,810,000 9,172,000 4.18%
9 Polar Capital LLP 3,645,000 6,869,000 3.13% PRN
10 LAZARD ASSET MANAGEMENT LLC 3,510,000 6,693,000 3.05% PRN
11 CSS LLC/IL 2,888,000 5,473,000 2.49% PRN
12 Tekla Capital Management LLC 1,485,000 2,832,000 1.29% PRN
13 SILVERBACK ASSET MANAGEMENT LLC 1,500,000 2,831,000 1.29% PRN
14 DINSMORE CAPITAL MANAGEMENT CO/NJ 500,000 956,000 0.44% PRN
15 DEUTSCHE BANK AG\ 118,000 224,000 0.10% PRN

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.