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

Institutional Holders (2015Q2)
Portfolio Summary: 15 Institutional holders with a total value of $235,805,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 26,155,000 54,923,000 23.29% PRN
2 SILVERBACK ASSET MANAGEMENT LLC 16,729,000 35,081,000 14.88% PRN
3 Tetragon Partners GP Ltd 16,490,000 35,012,000 14.85% PRN
4 WOLVERINE ASSET MANAGEMENT LLC 12,600,000 26,434,000 11.21% PRN
5 ARISTEIA CAPITAL, L.L.C. 10,932,000 22,968,000 9.74% PRN
6 LAZARD ASSET MANAGEMENT LLC 9,010,000 18,887,000 8.01% PRN
7 AMERIPRISE FINANCIAL INC 3,560,000 7,463,000 3.16% PRN
8 TANG CAPITAL MANAGEMENT LLC 3,500,000 7,328,000 3.11% PRN
9 JPMORGAN CHASE & CO 3,432,000 7,194,000 3.05% PRN
10 Polar Capital LLP 3,275,000 6,886,000 2.92% PRN
11 PUTNAM INVESTMENTS LLC 3,018,000 6,326,000 2.68%
12 Tekla Capital Management LLC 1,485,000 3,113,000 1.32% PRN
13 CSS LLC/IL 750,000 1,577,000 0.67% PRN
14 DEUTSCHE BANK AG\ 673,000 1,409,000 0.60% PRN
15 MIZUHO SECURITIES USA LLC 575,000 1,204,000 0.51%

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.