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

Institutional Holders (2014Q3)
Portfolio Summary: 112 Institutional holders with a total value of $911,520,319.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 NEA Management Company, LLC 9,854,255 265,277,000 29.10%
2 WELLINGTON MANAGEMENT GROUP LLP 4,789,067 128,921,000 14.14%
3 PRICE T ROWE ASSOCIATES INC /MD/ 2,446,139 65,850,000 7.22%
4 ALLIANCEBERNSTEIN L.P. 1,438,486 38,724,000 4.25%
5 FMR LLC 1,225,894 33,001,000 3.62%
6 HealthCor Management, L.P. 1,198,795 32,272,000 3.54%
7 GOLDMAN SACHS GROUP INC 879,783 23,683,000 2.60%
8 VANGUARD GROUP INC 874,014 23,528,000 2.58%
9 STATE STREET CORP 776,863 20,914,000 2.29%
10 PERCEPTIVE ADVISORS LLC 708,284 19,067,000 2.09%
11 BB BIOTECH AG 704,582 18,967,000 2.08%
12 FRANKLIN RESOURCES INC 691,200 18,607,000 2.04%
13 BlackRock Fund Advisors 633,229 17,047,000 1.87%
14 MILLENNIUM MANAGEMENT LLC 585,332 15,757,000 1.73%
15 ORACLE INVESTMENT MANAGEMENT INC 556,379 14,978,000 1.64%
16 LOOMIS SAYLES & CO L P 474,067 12,761,000 1.40%
17 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 374,274 10,075,000 1.11%
18 PUTNAM INVESTMENTS LLC 334,655 9,008,000 0.99%
19 Cormorant Asset Management, LP 300,000 8,076,000 0.89%
20 CLOUGH CAPITAL PARTNERS L P 258,100 6,948,000 0.76%
21 NORTHERN TRUST CORP 256,849 6,914,000 0.76%
22 BlackRock Institutional Trust Company, N.A. 230,699 6,210,000 0.68%
23 AQR CAPITAL MANAGEMENT LLC 206,445 5,557,000 0.61%
24 AMERIPRISE FINANCIAL INC 183,744 4,946,000 0.54%
25 WELLS FARGO & COMPANY/MN 180,893 4,870,000 0.53%
26 Rock Springs Capital Management LP 177,500 4,778,000 0.52%
27 Point72 Asset Management, L.P. 174,008 4,684,000 0.51%
28 LORD, ABBETT & CO. LLC 165,242 4,448,000 0.49%
29 FRED ALGER MANAGEMENT, LLC 152,477 4,105,000 0.45%
30 PointState Capital LP 150,000 4,038,000 0.44%
31 COLUMBUS CIRCLE INVESTORS 147,200 3,963,000 0.43%
32 TEACHERS ADVISORS, LLC 125,968 3,391,000 0.37%
33 DEUTSCHE BANK AG\ 123,838 3,332,000 0.37%
34 TIAA CREF INVESTMENT MANAGEMENT LLC 120,819 3,252,000 0.36%
35 BLUE ARROW CAPITAL MANAGEMENT LLC 120,000 3,230,000 0.35%
36 GEODE CAPITAL MANAGEMENT, LLC 116,452 3,134,000 0.34%
37 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 113,000 3,042,000 0.33%
38 HIGHBRIDGE CAPITAL MANAGEMENT LLC 113,000 3,042,000 0.33%
39 GUGGENHEIM CAPITAL LLC 103,140 2,777,000 0.30%
40 CREDIT SUISSE AG/ 98,685 2,656,000 0.29%
41 Bank of New York Mellon Corp 95,113 2,560,000 0.28%
42 GOLDMAN SACHS GROUP INC 80,000 2,154,000 0.24% Call
43 GOLDMAN SACHS GROUP INC 80,000 2,154,000 0.24% Put
44 MASON STREET ADVISORS, LLC 68,400 1,841,000 0.20%
45 OXFORD ASSET MANAGEMENT LLP 68,351 1,830,000 0.20%
46 SUFFOLK CAPITAL MANAGEMENT LLC 63,133 1,700,000 0.19%
47 Alyeska Investment Group, L.P. 62,950 1,695,000 0.19%
48 SUSQUEHANNA INTERNATIONAL GROUP, LLP 56,800 1,529,000 0.17% Put
49 TD ASSET MANAGEMENT INC 56,806 1,529,000 0.17%
50 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 55,119 1,484,000 0.16%
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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.