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THORATEC LABS CORP
THORATEC LABS CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 227 Institutional holders with a total value of $1,772,456,510.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 3,936,569 137,229,000 7.74%
2 EAGLE ASSET MANAGEMENT INC 2,922,575 101,880,000 5.75%
3 BlackRock Fund Advisors 2,617,605 91,250,000 5.15%
4 BlackRock Institutional Trust Company, N.A. 2,059,892 71,808,000 4.05%
5 STATE STREET CORP 2,043,035 71,219,000 4.02%
6 PRICE T ROWE ASSOCIATES INC /MD/ 1,732,673 60,401,000 3.41%
7 WELLS FARGO & COMPANY/MN 1,613,947 56,262,000 3.17%
8 ORACLE INVESTMENT MANAGEMENT INC 1,466,304 51,115,357 2.88%
9 Perkins Investment Management, LLC 1,190,132 41,488,000 2.34%
10 BLACKROCK ADVISORS LLC 1,175,338 40,972,000 2.31%
11 Invesco Ltd. 1,131,183 39,433,000 2.22%
12 VOYA INVESTMENT MANAGEMENT LLC 1,100,404 38,359,000 2.16%
13 Bank of New York Mellon Corp 1,064,707 37,115,000 2.09%
14 Boston Trust Walden Corp 1,038,630 36,207,000 2.04%
15 RENAISSANCE TECHNOLOGIES LLC 923,939 32,209,000 1.82%
16 NORTHERN TRUST CORP 899,183 31,345,000 1.77%
17 DIMENSIONAL FUND ADVISORS LP 898,458 31,320,000 1.77%
18 PALISADE CAPITAL MANAGEMENT, LP 790,423 27,554,000 1.55%
19 MANNING & NAPIER ADVISORS LLC 661,190 23,047,000 1.30%
20 ROYCE & ASSOCIATES LP 622,900 21,714,000 1.23%
21 MILLENNIUM MANAGEMENT LLC 577,951 20,147,000 1.14%
22 NORGES BANK 574,684 20,033,000 1.13%
23 PRIO WEALTH LIMITED PARTNERSHIP 562,453 19,607,000 1.11%
24 SECTOR GAMMA AS 558,300 19,462,000 1.10%
25 FRED ALGER MANAGEMENT, LLC 545,910 19,030,000 1.07%
26 AQR CAPITAL MANAGEMENT LLC 532,600 18,566,000 1.05%
27 Rock Springs Capital Management LP 492,200 17,158,000 0.97%
28 GLENMEDE TRUST CO NA 479,665 16,719,000 0.94%
29 AMERIPRISE FINANCIAL INC 471,541 16,438,000 0.93%
30 BANK OF MONTREAL /CAN/ 470,404 16,398,000 0.93%
31 Stephens Investment Management Group LLC 456,635 15,918,000 0.90%
32 Atle Fund Management AB 440,366 15,351,000 0.87%
33 GEODE CAPITAL MANAGEMENT, LLC 436,406 15,212,000 0.86%
34 Park West Asset Management LLC 430,372 15,003,000 0.85%
35 CHARTWELL INVESTMENT PARTNERS, LLC 425,551 14,835,000 0.84%
36 DEUTSCHE BANK AG\ 410,596 14,312,000 0.81%
37 BALYASNY ASSET MANAGEMENT L.P. 409,306 14,268,000 0.80%
38 TEACHERS ADVISORS, LLC 406,837 14,182,000 0.80%
39 Gotham Asset Management, LLC 402,924 14,046,000 0.79%
40 GREAT POINT PARTNERS LLC 360,000 12,550,000 0.71%
41 BlackRock Investment Management, LLC 342,235 11,930,000 0.67%
42 FRANKLIN RESOURCES INC 341,835 11,916,000 0.67%
43 TWO SIGMA ADVISERS, LP 335,677 11,702,000 0.66%
44 JPMORGAN CHASE & CO 334,641 11,665,000 0.66%
45 Cortina Asset Management, LLC 324,998 11,329,000 0.64%
46 WADDELL & REED FINANCIAL INC 324,200 11,302,000 0.64%
47 MANAGED ACCOUNT ADVISORS LLC 320,060 11,157,000 0.63%
48 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 319,567 11,141,000 0.63%
49 TIAA CREF INVESTMENT MANAGEMENT LLC 313,522 10,929,000 0.62%
50 CITADEL ADVISORS LLC 291,165 10,150,000 0.57%
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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.