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TESARO INC
TESARO INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 30 Institutional holders with a total value of $347,694,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 33,000,000 58,796,000 16.91% PRN
2 ARISTEIA CAPITAL, L.L.C. 31,000,000 55,260,000 15.89% PRN
3 WOLVERINE ASSET MANAGEMENT LLC 20,068,000 35,744,000 10.28% PRN
4 Castle Creek Arbitrage, LLC 19,527,000 34,796,000 10.01% PRN
5 CSS LLC/IL 15,115,000 26,948,000 7.75% PRN
6 Polar Asset Management Partners Inc. 15,000,000 26,744,000 7.69% PRN
7 CAPSTONE INVESTMENT ADVISORS, LLC 9,625,000 17,141,000 4.93%
8 BlueCrest Capital Management Ltd 193,205 11,090,000 3.19% PRN
9 BANK OF AMERICA CORP /DE/ 6,100,000 10,873,000 3.13% PRN
10 ROYAL BANK OF CANADA 4,890,000 8,670,000 2.49% PRN
11 Verition Fund Management LLC 4,735,000 8,464,000 2.43% PRN
12 AMERIPRISE FINANCIAL INC 4,680,000 8,343,000 2.40% PRN
13 SUSQUEHANNA INTERNATIONAL GROUP, LLP 4,000,000 7,130,000 2.05% PRN
14 Jabre Capital Partners S.A. 3,000,000 5,345,000 1.54% PRN
15 Visium Asset Management, LP 3,000,000 5,344,000 1.54% PRN
16 AVIVA PLC 2,500,000 4,459,000 1.28% PRN
17 DEUTSCHE BANK AG\ 2,250,000 4,010,000 1.15% PRN
18 BNP PARIBAS FINANCIAL MARKETS 2,000,000 3,565,000 1.03% PRN
19 Mohican Financial Management, LLC 1,500,000 2,674,000 0.77%
20 Sage Capital Management, LLC 1,500,000 2,671,000 0.77% PRN
21 NOMURA HOLDINGS INC 1,310,000 2,335,000 0.67% PRN
22 GRACE BROTHERS MANAGEMENT LLC 1,000,000 1,782,000 0.51% PRN
23 BARCLAYS PLC 750,000 1,335,000 0.38% PRN
24 LINDEN ADVISORS LP 730,000 1,303,000 0.37% PRN
25 Man Investments (CH) AG 700,000 1,247,000 0.36% PRN
26 RUSSELL FRANK CO/ 388,000 694,000 0.20%
27 JPMORGAN CHASE & CO 250,000 446,000 0.13% PRN
28 WELLINGTON MANAGEMENT GROUP LLP 222,000 396,000 0.11% PRN
29 CREDIT AGRICOLE S A 41,000 73,000 0.02% PRN
30 WELLS FARGO & COMPANY/MN 10,000 16,000 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.