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

Institutional Holders (2015Q1)
Portfolio Summary: 14 Institutional holders with a total value of $231,709,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 32,155,000 64,537,000 27.85% PRN
2 Tetragon Partners GP Ltd 17,370,000 34,992,000 15.10% PRN
3 SILVERBACK ASSET MANAGEMENT LLC 15,229,000 30,553,000 13.19% PRN
4 WOLVERINE ASSET MANAGEMENT LLC 12,600,000 25,282,000 10.91% PRN
5 ARISTEIA CAPITAL, L.L.C. 10,932,000 21,880,000 9.44% PRN
6 TANG CAPITAL MANAGEMENT LLC 5,500,000 11,154,000 4.81% PRN
7 JPMORGAN CHASE & CO 4,500,000 8,876,000 3.83% PRN
8 PUTNAM INVESTMENTS LLC 4,005,000 7,900,000 3.41%
9 CSS LLC/IL 3,888,000 7,733,000 3.34% PRN
10 Polar Capital LLP 3,645,000 7,308,000 3.15%
11 LAZARD ASSET MANAGEMENT LLC 3,510,000 6,923,000 2.99% PRN
12 Tekla Capital Management LLC 1,485,000 2,929,000 1.26% PRN
13 MIZUHO SECURITIES USA LLC 575,000 1,154,000 0.50%
14 DEUTSCHE BANK AG\ 248,000 488,000 0.21% 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.