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

Institutional Holders (2014Q1)
Portfolio Summary: 240 Institutional holders with a total value of $1,830,343,106.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 3,940,778 141,119,000 7.71%
2 EAGLE ASSET MANAGEMENT INC 3,600,767 128,943,000 7.04%
3 BlackRock Fund Advisors 2,700,039 96,688,000 5.28%
4 BlackRock Institutional Trust Company, N.A. 2,462,578 88,185,000 4.82%
5 STATE STREET CORP 2,057,088 73,663,000 4.02%
6 PRICE T ROWE ASSOCIATES INC /MD/ 1,925,814 68,963,000 3.77%
7 ORACLE INVESTMENT MANAGEMENT INC 1,756,204 62,889,665 3.44%
8 WELLS FARGO & COMPANY/MN 1,454,230 52,076,000 2.85%
9 Invesco Ltd. 1,178,218 42,192,000 2.31%
10 VOYA INVESTMENT MANAGEMENT LLC 1,109,669 39,737,000 2.17%
11 RENAISSANCE TECHNOLOGIES LLC 1,050,949 37,634,000 2.06%
12 NORTHERN TRUST CORP 996,986 35,702,000 1.95%
13 Boston Trust Walden Corp 982,209 35,173,000 1.92%
14 DIMENSIONAL FUND ADVISORS LP 860,077 30,798,000 1.68%
15 PALISADE CAPITAL MANAGEMENT, LP 832,117 29,798,000 1.63%
16 NORGES BANK 750,584 26,879,000 1.47%
17 Bank of New York Mellon Corp 688,442 24,653,000 1.35%
18 BLACKROCK ADVISORS LLC 681,526 24,405,000 1.33%
19 CHARTWELL INVESTMENT PARTNERS/PA 665,300 23,824,000 1.30%
20 FRED ALGER MANAGEMENT, LLC 637,136 22,816,000 1.25%
21 ROYCE & ASSOCIATES LP 622,900 22,306,000 1.22%
22 Cortina Asset Management, LLC 603,605 21,615,000 1.18%
23 DEUTSCHE BANK AG\ 591,109 21,166,000 1.16%
24 PRIO WEALTH LIMITED PARTNERSHIP 570,281 20,421,000 1.12%
25 MANNING & NAPIER ADVISORS LLC 551,430 19,745,000 1.08%
26 MILLENNIUM MANAGEMENT LLC 544,281 19,491,000 1.06%
27 Alyeska Investment Group, L.P. 505,905 18,116,000 0.99%
28 BANK OF MONTREAL /CAN/ 476,263 17,055,000 0.93%
29 SAMLYN CAPITAL, LLC 470,717 16,856,000 0.92%
30 AMERIPRISE FINANCIAL INC 470,222 16,841,000 0.92%
31 Stephens Investment Management Group LLC 456,170 16,335,000 0.89%
32 AQR CAPITAL MANAGEMENT LLC 453,600 16,243,000 0.89%
33 GLENMEDE TRUST CO NA 417,819 14,961,000 0.82%
34 TEACHERS ADVISORS, LLC 411,935 14,751,000 0.81%
35 GEODE CAPITAL MANAGEMENT, LLC 403,561 14,451,000 0.79%
36 Rock Springs Capital Management LP 401,000 14,360,000 0.78%
37 Park West Asset Management LLC 400,000 14,324,000 0.78%
38 SECTOR GAMMA AS 387,300 13,869,000 0.76%
39 JPMORGAN CHASE & CO 352,061 12,608,000 0.69%
40 TWO SIGMA ADVISERS, LP 332,677 11,914,000 0.65%
41 FRANKLIN RESOURCES INC 331,549 11,873,000 0.65%
42 TWO SIGMA INVESTMENTS, LP 329,321 11,793,000 0.64%
43 WADDELL & REED FINANCIAL INC 324,200 11,609,000 0.63%
44 BALYASNY ASSET MANAGEMENT L.P. 323,152 11,572,000 0.63%
45 TIAA CREF INVESTMENT MANAGEMENT LLC 320,141 11,464,000 0.63%
46 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 313,690 11,234,000 0.61%
47 MANAGED ACCOUNT ADVISORS LLC 310,034 11,102,000 0.61%
48 BlackRock Investment Management, LLC 296,048 10,601,000 0.58%
49 HIGHBRIDGE CAPITAL MANAGEMENT LLC 263,596 9,439,000 0.52%
50 THRIVENT FINANCIAL FOR LUTHERANS 256,350 9,180,000 0.50%
Page 1 of 5

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.