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

Institutional Holders (2014Q4)
Portfolio Summary: 209 Institutional holders with a total value of $1,688,145,037.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 6,183,367 200,712,000 11.89%
2 VANGUARD GROUP INC 3,462,909 112,406,000 6.66%
3 BlackRock Fund Advisors 2,760,270 89,598,000 5.31%
4 STATE STREET CORP 1,972,067 64,011,000 3.79%
5 MILLENNIUM MANAGEMENT LLC 1,914,539 62,146,000 3.68%
6 MANNING & NAPIER ADVISORS LLC 1,857,440 60,290,000 3.57%
7 BLACKROCK ADVISORS LLC 1,737,567 56,401,000 3.34%
8 EAGLE ASSET MANAGEMENT INC 1,653,193 53,662,000 3.18%
9 BlackRock Institutional Trust Company, N.A. 1,576,294 51,167,000 3.03%
10 Invesco Ltd. 1,251,831 40,635,000 2.41%
11 ORACLE INVESTMENT MANAGEMENT INC 1,232,600 40,010,000 2.37%
12 VOYA INVESTMENT MANAGEMENT LLC 988,272 32,079,000 1.90%
13 Boston Trust Walden Corp 967,547 31,406,000 1.86%
14 WELLS FARGO & COMPANY/MN 966,171 31,362,000 1.86%
15 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 880,173 28,570,416 1.69%
16 NORTHERN TRUST CORP 872,451 28,319,000 1.68%
17 BALYASNY ASSET MANAGEMENT L.P. 864,130 28,050,000 1.66%
18 DEUTSCHE BANK AG\ 843,175 27,368,000 1.62%
19 JPMORGAN CHASE & CO 781,017 25,353,000 1.50%
20 DIMENSIONAL FUND ADVISORS LP 761,664 24,724,000 1.46%
21 NORGES BANK 755,709 24,530,000 1.45%
22 Boston Partners 722,632 23,457,000 1.39%
23 Bank of New York Mellon Corp 714,319 23,186,000 1.37%
24 Antipodean Advisors LLC 658,000 21,359,000 1.27%
25 IAT REINSURANCE CO LTD. 605,318 19,649,000 1.16%
26 CITADEL ADVISORS LLC 569,871 18,498,000 1.10%
27 Rock Springs Capital Management LP 533,500 17,317,000 1.03%
28 Alyeska Investment Group, L.P. 524,014 17,009,000 1.01%
29 Broadfin Capital, LLC 500,000 16,230,000 0.96%
30 Capital World Investors 435,000 15,612,000 0.92%
31 GEODE CAPITAL MANAGEMENT, LLC 469,296 15,233,000 0.90%
32 PFM Health Sciences, LP 466,911 15,156,000 0.90%
33 DECADE CAPITAL MANAGEMENT LLC 455,900 14,799,000 0.88%
34 BlackRock Investment Management, LLC 406,313 13,189,000 0.78%
35 Park West Asset Management LLC 399,472 12,967,000 0.77%
36 AMERIPRISE FINANCIAL INC 397,654 12,908,000 0.76%
37 SECTOR GAMMA AS 392,500 12,741,000 0.75%
38 PERCEPTIVE ADVISORS LLC 392,465 12,739,000 0.75%
39 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 344,711 11,189,000 0.66%
40 MACKENZIE FINANCIAL CORP 326,600 10,601,000 0.63%
41 CANADA PENSION PLAN INVESTMENT BOARD 320,200 10,394,000 0.62%
42 TIAA CREF INVESTMENT MANAGEMENT LLC 307,908 9,995,000 0.59%
43 Palo Alto Investors LP 268,861 8,727,000 0.52%
44 Robert W. Baird & Co. Inc 267,713 8,690,000 0.51%
45 TEACHERS ADVISORS, LLC 237,437 7,707,000 0.46%
46 OXFORD ASSET MANAGEMENT LLP 230,816 7,601,000 0.45%
47 MANAGED ACCOUNT ADVISORS LLC 212,608 6,902,000 0.41%
48 WELLINGTON MANAGEMENT GROUP LLP 210,495 6,833,000 0.40%
49 BANK OF MONTREAL /CAN/ 208,590 6,771,000 0.40%
50 CATAPULT CAPITAL MANAGEMENT LLC 200,000 6,492,000 0.38%
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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.