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

Institutional Holders (2016Q3)
Portfolio Summary: 264 Institutional holders with a total value of $5,436,276,155.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 JPMORGAN CHASE & CO 36,607 3,670,000 0.07%
102 Spark Investment Management LLC 36,600 3,668,000 0.07%
103 ProShare Advisors LLC 36,183 3,627,000 0.07%
104 BLACKROCK ADVISORS LLC 35,655 3,574,000 0.07%
105 Asset Management One Co., Ltd. 35,129 3,532,000 0.06%
106 BOXER CAPITAL, LLC 35,000 3,508,000 0.06%
107 BALYASNY ASSET MANAGEMENT L.P. 34,851 3,493,000 0.06%
108 HBK INVESTMENTS L P 34,800 3,488,000 0.06%
109 Parallax Volatility Advisers, L.P. 31,508 3,158,000 0.06%
110 NEW YORK STATE COMMON RETIREMENT FUND 31,067 3,114,000 0.06%
111 ArrowMark Colorado Holdings LLC 30,235 3,031,000 0.06%
112 DAFNA Capital Management LLC 29,500 2,957,000 0.05%
113 RHUMBLINE ADVISERS 28,395 2,846,000 0.05%
114 NOMURA HOLDINGS INC 28,000 2,813,000 0.05% Put
115 SABBY MANAGEMENT, LLC 27,500 2,757,000 0.05%
116 AMERICAN CENTURY COMPANIES INC 27,182 2,725,000 0.05%
117 UNITED SERVICES AUTOMOBILE ASSOCIATION 26,758 2,682,000 0.05%
118 Twin Tree Management, LP 25,600 2,566,000 0.05% Call
119 JANE STREET GROUP, LLC 23,876 2,393,000 0.04%
120 BlackRock Group LTD 23,670 2,372,000 0.04%
121 WOLVERINE TRADING LP /BD 22,900 2,303,000 0.04% Put
122 Century Capital Management, LLC 22,697 2,275,000 0.04%
123 ACUTA CAPITAL PARTNERS, LLC 22,700 2,275,000 0.04%
124 Rhenman & Partners Asset Management AB 21,500 2,155,160 0.04%
125 DekaBank Deutsche Girozentrale 20,900 2,102,000 0.04%
126 CUTLER GROUP LLC / CA 19,511 1,955,000 0.04%
127 METROPOLITAN LIFE INSURANCE CO/NY 18,706 1,875,000 0.03%
128 MANUFACTURERS LIFE INSURANCE COMPANY, THE 18,338 1,838,000 0.03%
129 GLG LLC 18,000 1,804,000 0.03%
130 TWO SIGMA INVESTMENTS, LP 17,315 1,736,000 0.03%
131 Cupps Capital Management, LLC 17,209 1,725,000 0.03%
132 Ghost Tree Capital, LLC 17,000 1,704,000 0.03%
133 PRINCIPAL FINANCIAL GROUP INC 15,959 1,600,000 0.03%
134 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 15,790 1,583,000 0.03%
135 HAP Trading, LLC 264,600 1,545,000 0.03% Call
136 Twin Tree Management, LP 15,400 1,544,000 0.03% Put
137 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 15,135 1,517,000 0.03%
138 VIRTUS ETF ADVISERS LLC 15,077 1,511,000 0.03%
139 HANDELSBANKEN FONDER AB 15,000 1,504,000 0.03%
140 CITIGROUP INC 14,463 1,449,000 0.03%
141 DRIEHAUS CAPITAL MANAGEMENT LLC 14,302 1,434,000 0.03%
142 AMERICAN INTERNATIONAL GROUP, INC. 14,155 1,418,897 0.03%
143 Dai-ichi Life Holdings, Inc. 13,270 1,330,000 0.02%
144 WELLS FARGO & COMPANY/MN 12,953 1,298,000 0.02%
145 Raymond James Financial Services Advisors, Inc. 12,143 1,217,000 0.02%
146 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 11,675 1,170,000 0.02%
147 Nuveen Asset Management, LLC 11,675 1,170,000 0.02%
148 JANE STREET GROUP, LLC 11,400 1,143,000 0.02% Call
149 TWO SIGMA ADVISERS, LP 10,800 1,083,000 0.02%
150 VOYA INVESTMENT MANAGEMENT LLC 10,634 1,066,000 0.02%
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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.