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TESARO
TESARO. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 345 Institutional holders with a total value of $8,700,837,006.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 NEA Management Company, LLC 10,275,113 1,437,077,000 16.52%
2 FMR LLC 7,698,186 1,076,669,000 12.37%
3 WELLINGTON MANAGEMENT GROUP LLP 5,147,685 719,955,000 8.27%
4 PRICE T ROWE ASSOCIATES INC /MD/ 4,814,735 673,389,000 7.74%
5 BlackRock Finance, Inc. 3,605,247 504,230,000 5.80%
6 VANGUARD GROUP INC 2,978,236 416,537,000 4.79%
7 INTERWEST VENTURE MANAGEMENT CO 2,021,738 282,760,000 3.25%
8 FRANKLIN RESOURCES INC 1,875,422 262,301,000 3.01%
9 STATE STREET CORP 1,168,913 163,496,000 1.88%
10 ORACLE INVESTMENT MANAGEMENT INC 1,052,579 147,214,000 1.69%
11 BB BIOTECH AG 877,990 122,796,000 1.41%
12 JANUS HENDERSON GROUP PLC 717,150 100,301,000 1.15%
13 Bank of New York Mellon Corp 703,774 98,430,000 1.13%
14 AMERIPRISE FINANCIAL INC 641,466 89,716,000 1.03%
15 PointState Capital LP 614,695 85,971,000 0.99%
16 Rock Springs Capital Management LP 490,500 68,601,000 0.79%
17 GOLDMAN SACHS GROUP INC 461,932 64,606,000 0.74%
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 455,500 63,706,000 0.73% Put
19 PICTET ASSET MANAGEMENT LTD 399,105 59,590,000 0.68%
20 Avoro Capital Advisors LLC 400,403 56,000,000 0.64%
21 DAVIDE LEONE & PARTNERS INVESTMENT Co LLP 380,700 53,245,000 0.61% Call
22 LORD, ABBETT & CO. LLC 373,906 52,294,000 0.60%
23 Sachem Head Capital Management LP 373,136 52,187,000 0.60%
24 DEUTSCHE BANK AG\ 362,431 50,687,000 0.58%
25 PERCEPTIVE ADVISORS LLC 359,551 50,287,000 0.58% SH
26 EAGLE ASSET MANAGEMENT INC 353,356 49,420,000 0.57%
27 ALLIANCEBERNSTEIN L.P. 351,521 49,164,000 0.57%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 341,608 47,777,000 0.55%
29 BARCLAYS PLC 337,100 47,147,000 0.54% Call
30 MILLENNIUM MANAGEMENT LLC 323,268 45,212,000 0.52%
31 JENNISON ASSOCIATES LLC 321,624 44,982,000 0.52%
32 AMUNDI ASSET MANAGEMENT US, INC. 317,753 44,441,000 0.51%
33 NORGES BANK 317,369 44,387,000 0.51%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 313,900 43,902,000 0.50% Call
35 FEDERATED HERMES, INC. 308,003 43,077,000 0.50%
36 GEODE CAPITAL MANAGEMENT, LLC 299,292 41,841,000 0.48%
37 Alyeska Investment Group, L.P. 296,685 41,494,000 0.48%
38 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 289,949 40,552,267 0.47%
39 FRED ALGER MANAGEMENT, LLC 288,000 40,280,000 0.46%
40 BANK OF AMERICA CORP /DE/ 281,395 39,356,000 0.45%
41 Twin Tree Management, LP 237,200 33,175,000 0.38% Call
42 Artal Group S.A. 235,000 32,867,000 0.38% Call
43 CITADEL ADVISORS LLC 217,720 30,450,000 0.35%
44 MACQUARIE GROUP LTD 215,881 30,193,000 0.35%
45 NORTHERN TRUST CORP 207,112 28,967,000 0.33%
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 192,025 26,857,000 0.31%
47 Invesco Ltd. 190,794 26,685,000 0.31%
48 GOLDMAN SACHS GROUP INC 173,400 24,252,000 0.28% Put
49 TEACHERS ADVISORS, LLC 167,285 23,396,000 0.27%
50 Candriam S.C.A. 162,060 22,667,000 0.26%
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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.