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AMAG PHARMACEUTICALS INC
AMAG PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 25 Institutional holders with a total value of $488,412,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 29,125,000 75,377,000 15.43% PRN
2 Hudson Bay Capital Management LP 24,654,000 63,759,000 13.05% PRN
3 WOLVERINE ASSET MANAGEMENT LLC 21,109,000 54,577,000 11.17% PRN
4 Castle Creek Arbitrage, LLC 20,721,000 53,587,000 10.97% PRN
5 Polar Asset Management Partners Inc. 15,000,000 38,793,000 7.94% PRN
6 Luxor Capital Group, LP 15,000,000 38,672,000 7.92% PRN
7 WHITEBOX ADVISORS LLC 11,500,000 29,648,000 6.07% PRN
8 Calamos Advisors LLC 10,000,000 25,924,000 5.31% PRN
9 Myriad Asset Management Ltd. 10,000,000 25,884,000 5.30% PRN
10 PUTNAM INVESTMENTS LLC 5,617,000 14,514,000 2.97%
11 TENOR CAPITAL MANAGEMENT Co., L.P. 5,000,000 12,986,000 2.66% PRN
12 Hutchin Hill Capital, LP 4,000,000 10,355,000 2.12% PRN
13 AMERIPRISE FINANCIAL INC 3,460,000 8,921,000 1.83% PRN
14 JPMORGAN CHASE & CO 3,346,000 8,626,000 1.77% PRN
15 Pine River Capital Management L.P. 2,500,000 6,465,000 1.32% PRN
16 CSS LLC/IL 2,250,000 5,855,000 1.20% PRN
17 GRACE BROTHERS MANAGEMENT LLC 2,000,000 5,178,000 1.06% PRN
18 BARCLAYS PLC 1,182,000 3,038,000 0.62% PRN
19 Bank of New York Mellon Corp 750,000 1,941,000 0.40%
20 Man Investments (CH) AG 700,000 1,812,000 0.37% PRN
21 WELLS FARGO & COMPANY/MN 471,000 1,218,000 0.25% PRN
22 CITIGROUP INC 250,000 645,000 0.13% PRN
23 MANAGED ACCOUNT ADVISORS LLC 119,000 307,000 0.06% PRN
24 SSI INVESTMENT MANAGEMENT LLC 88,000 227,000 0.05% PRN
25 GOLDMAN SACHS GROUP INC 40,000 103,000 0.02% 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.