Dark
Light
System
Security
MEDICINES CO
MEDICINES CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 27 Institutional holders with a total value of $341,214,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 67,000,000 95,881,000 28.10% PRN
2 AQR ARBITRAGE LLC 27,705,000 39,566,000 11.60% PRN
3 CSS LLC/IL 24,735,000 35,399,000 10.37% PRN
4 WOLVERINE ASSET MANAGEMENT LLC 24,424,000 34,958,000 10.25% PRN
5 Allianz Asset Management GmbH 15,815,000 22,692,000 6.65% PRN
6 Calamos Advisors LLC 12,500,000 17,972,000 5.27% PRN
7 DEUTSCHE BANK AG\ 10,927,000 15,550,000 4.56% PRN
8 LAZARD ASSET MANAGEMENT LLC 8,351,000 11,926,000 3.50% PRN
9 D. E. Shaw & Co., Inc. 8,225,000 11,771,000 3.45% PRN
10 MACKAY SHIELDS LLC 7,145,000 10,204,000 2.99% PRN
11 BASSO CAPITAL MANAGEMENT, L.P. 6,400,000 9,140,000 2.68% PRN
12 WELLS FARGO & COMPANY/MN 6,136,000 8,805,000 2.58% PRN
13 SSI INVESTMENT MANAGEMENT LLC 3,413,000 4,857,000 1.42% PRN
14 JPMORGAN CHASE & CO 2,541,000 3,646,000 1.07% PRN
15 TENOR CAPITAL MANAGEMENT Co., L.P. 2,500,000 3,581,000 1.05% PRN
16 EQUITEC SPECIALISTS, LLC 2,500,000 3,558,000 1.04% PRN
17 SABBY MANAGEMENT, LLC 1,500,000 2,152,000 0.63% PRN
18 PROSPECTOR PARTNERS LLC 1,485,000 2,113,000 0.62% PRN
19 BANK OF AMERICA CORP /DE/ 1,233,000 1,769,000 0.52% PRN
20 MIZUHO SECURITIES USA LLC 1,106,000 1,550,000 0.45%
21 SG Americas Securities, LLC 10,000 1,428,000 0.42% PRN
22 GOLDMAN SACHS GROUP INC 746,000 1,062,000 0.31% PRN
23 Bank of New York Mellon Corp 500,000 717,000 0.21%
24 IRON Financial LLC 380,000 541,000 0.16%
25 WELLINGTON MANAGEMENT GROUP LLP 155,000 221,000 0.06% PRN
26 ADVENT CAPITAL MANAGEMENT /DE/ 102,000 149,000 0.04% PRN
27 MORGAN STANLEY 4,000 6,000 0.00% 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.