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

Institutional Holders (2015Q3)
Portfolio Summary: 15 Institutional holders with a total value of $178,049,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 21,655,000 33,955,000 19.07% PRN
2 Tetragon Partners GP Ltd 16,490,000 25,947,000 14.57% PRN
3 SILVERBACK ASSET MANAGEMENT LLC 14,500,000 22,711,000 12.76% PRN
4 WOLVERINE ASSET MANAGEMENT LLC 12,600,000 19,576,000 10.99% PRN
5 ARISTEIA CAPITAL, L.L.C. 11,932,000 18,727,000 10.52% PRN
6 LAZARD ASSET MANAGEMENT LLC 11,010,000 17,375,000 9.76% PRN
7 JPMORGAN CHASE & CO 6,601,000 10,484,000 5.89% PRN
8 AMERIPRISE FINANCIAL INC 3,670,000 5,773,000 3.24% PRN
9 TANG CAPITAL MANAGEMENT LLC 3,500,000 5,259,000 2.95% PRN
10 Polar Capital LLP 3,120,000 4,965,000 2.79%
11 LORD, ABBETT & CO. LLC 3,102,000 4,895,000 2.75% PRN
12 PUTNAM INVESTMENTS LLC 3,018,000 4,748,000 2.67%
13 Tekla Capital Management LLC 1,485,000 2,336,000 1.31% PRN
14 DEUTSCHE BANK AG\ 632,000 993,000 0.56% PRN
15 MIZUHO SECURITIES USA LLC 194,000 305,000 0.17%

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.