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

Institutional Holders (2015Q4)
Portfolio Summary: 15 Institutional holders with a total value of $168,702,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 19,655,000 29,054,000 17.22% PRN
2 Tetragon Partners GP Ltd 16,490,000 24,791,000 14.70% PRN
3 LAZARD ASSET MANAGEMENT LLC 15,969,000 23,723,000 14.06% PRN
4 SILVERBACK ASSET MANAGEMENT LLC 14,780,000 21,781,000 12.91% PRN
5 WOLVERINE ASSET MANAGEMENT LLC 12,600,000 18,633,000 11.04% PRN
6 ARISTEIA CAPITAL, L.L.C. 12,522,000 18,501,000 10.97% PRN
7 JPMORGAN CHASE & CO 6,550,000 9,407,000 5.58% PRN
8 AMERIPRISE FINANCIAL INC 3,800,000 5,626,000 3.33% PRN
9 TANG CAPITAL MANAGEMENT LLC 3,500,000 5,027,000 2.98% PRN
10 PUTNAM INVESTMENTS LLC 3,102,000 4,593,000 2.72%
11 Polar Capital LLP 2,745,000 4,076,000 2.42% PRN
12 Tekla Capital Management LLC 1,485,000 2,199,000 1.30% PRN
13 DEUTSCHE BANK AG\ 667,000 985,000 0.58% PRN
14 MIZUHO SECURITIES USA LLC 194,000 296,000 0.18%
15 CITIGROUP INC 7,000 10,000 0.01% 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.