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

Institutional Holders (2016Q1)
Portfolio Summary: 159 Institutional holders with a total value of $2,089,694,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WOLVERINE ASSET MANAGEMENT LLC 5 0 0.00% Put
2 LADENBURG THALMANN FINANCIAL SERVICES INC. 25 1,000 0.00%
3 SEI INVESTMENTS CO 70 3,000 0.00%
4 ENTERPRISE FINANCIAL SERVICES CORP 100 4,000 0.00%
5 Walleye Trading LLC 100 4,000 0.00% Call
6 BlackRock Japan Co. Ltd 142 6,000 0.00%
7 PNC FINANCIAL SERVICES GROUP, INC. 138 6,000 0.00%
8 Formidable Asset Management, LLC 200 9,000 0.00%
9 CUTLER GROUP LLC / CA 9,000 9,000 0.00% Call
10 JPMORGAN CHASE & CO 232 10,000 0.00%
11 BANK OF MONTREAL /CAN/ 243 11,000 0.00%
12 US BANCORP \DE\ 319 14,000 0.00%
13 GLENMEDE TRUST CO NA 400 17,000 0.00%
14 WHITTIER TRUST CO OF NEVADA INC 400 18,000 0.00%
15 NISA INVESTMENT ADVISORS, LLC 400 18,000 0.00%
16 Walleye Trading LLC 400 18,000 0.00% Put
17 Parallax Volatility Advisers, L.P. 475 21,000 0.00%
18 Creative Planning 575 25,000 0.00%
19 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 600 26,000 0.00%
20 Zurcher Kantonalbank (Zurich Cantonalbank) 666 29,000 0.00%
21 WELLS FARGO & COMPANY/MN 20,000 34,000 0.00% Put
22 COWEN INC. 900 40,000 0.00%
23 America First Investment Advisors, LLC 1,000 44,000 0.00%
24 CUTLER GROUP LLC / CA 31,000 57,000 0.00% Put
25 BAMCO INC /NY/ 2,000 88,000 0.00%
26 ISTHMUS PARTNERS, LLC 2,000 88,000 0.00%
27 IFP ADVISORS, INC 2,008 88,000 0.00%
28 FIRST MERCANTILE TRUST CO 2,380 105,000 0.01%
29 TEACHER RETIREMENT SYSTEM OF TEXAS 3,192 141,000 0.01%
30 CANADA LIFE ASSURANCE Co 3,500 154,000 0.01%
31 Bluefin Trading, LLC 22,500 163,000 0.01% Call
32 UBS Group AG 4,071 179,000 0.01%
33 COWEN INC. 4,500 198,000 0.01% Put
34 Cetera Advisor Networks LLC 4,632 204,000 0.01%
35 PRELUDE CAPITAL MANAGEMENT, LLC 4,713 208,000 0.01%
36 Cubist Systematic Strategies, LLC 4,832 213,000 0.01%
37 VIRTUS ETF ADVISERS LLC 4,904 216,000 0.01%
38 Weiss Multi-Strategy Advisers LLC 5,000 220,000 0.01% Put
39 MACKENZIE FINANCIAL CORP 5,500 242,000 0.01%
40 Parametrica Management Ltd 5,711 251,000 0.01%
41 AQR CAPITAL MANAGEMENT LLC 5,978 263,000 0.01%
42 TUDOR INVESTMENT CORP ET AL 6,118 269,000 0.01%
43 Raymond James Financial Services Advisors, Inc. 6,123 270,000 0.01%
44 JANE STREET GROUP, LLC 6,325 278,000 0.01%
45 CIM INVESTMENT MANAGEMENT INC 6,344 279,000 0.01%
46 Legal & General Group Plc 6,581 288,000 0.01%
47 Capital Impact Advisors, LLC 6,820 300,000 0.01%
48 Birchview Capital, LP 6,950 306,000 0.01%
49 BlackRock Finance, Inc. 7,096 312,000 0.01%
50 PEAK6 Group LLC 7,300 321,000 0.02% Call
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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.