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MEDICINES CO
MEDICINES CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 29 Institutional holders with a total value of $310,766,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 45,000,000 53,453,000 17.20% PRN
2 CAMDEN ASSET MANAGEMENT L P /CA 34,835,000 41,301,000 13.29% PRN
3 WOLVERINE ASSET MANAGEMENT LLC 34,424,000 40,912,000 13.16% PRN
4 ZAZOVE ASSOCIATES LLC 31,400,000 37,288,000 12.00% PRN
5 ADVENT CAPITAL MANAGEMENT /DE/ 22,078,000 26,288,000 8.46% PRN
6 SABBY MANAGEMENT, LLC 14,213,000 16,851,000 5.42% PRN
7 Calamos Advisors LLC 12,500,000 14,843,000 4.78% PRN
8 TENOR CAPITAL MANAGEMENT Co., L.P. 7,500,000 8,954,000 2.88% PRN
9 SILVERBACK ASSET MANAGEMENT LLC 7,500,000 8,911,000 2.87% PRN
10 MACKAY SHIELDS LLC 7,067,000 8,414,000 2.71% PRN
11 DEUTSCHE BANK AG\ 6,888,000 8,165,000 2.63% PRN
12 MORGAN STANLEY 5,883,000 6,956,000 2.24% PRN
13 CSS LLC/IL 5,500,000 6,539,000 2.10% PRN
14 PROSPECTOR PARTNERS LLC 4,200,000 4,980,000 1.60%
15 Jefferies Group LLC 4,125,000 4,891,000 1.57% PRN
16 STEELHEAD PARTNERS LLC 3,000,000 3,563,000 1.15% PRN
17 D. E. Shaw & Co., Inc. 3,000,000 3,561,000 1.15% PRN
18 SG Americas Securities, LLC 30,000 3,557,000 1.14% PRN
19 SSI INVESTMENT MANAGEMENT LLC 2,892,000 3,427,000 1.10% PRN
20 Bank of New York Mellon Corp 2,000,000 2,375,000 0.76%
21 GEODE CAPITAL MANAGEMENT, LLC 1,500,000 1,778,000 0.57% PRN
22 BARCLAYS PLC 1,192,000 1,406,000 0.45% PRN
23 ONTARIO TEACHERS PENSION PLAN BOARD 500,000 595,000 0.19% PRN
24 PNC FINANCIAL SERVICES GROUP, INC. 4,000 474,000 0.15% PRN
25 IRON Financial LLC 365,000 434,000 0.14%
26 Man Investments (CH) AG 300,000 356,000 0.11% PRN
27 WELLINGTON MANAGEMENT GROUP LLP 241,000 286,000 0.09% PRN
28 SUNTRUST BANKS INC 162,000 191,000 0.06%
29 PUTNAM INVESTMENTS LLC 14,000 17,000 0.01%

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.