THORATEC CORPORATION

THOR

Delisted

THOR was delisted on the 8th of October, 2015.

#	Name	Holding	Trade Value	Shares Change	Change in Stake
1	1 T. Rowe Price Associates Baltimore, Maryland	$323M	-$1.91M	-32,070	-0.6%
2	2 Vanguard Group Malvern, Pennsylvania	$241M	+$7.85M	+132,208	+4%
3	3 BlackRock Fund Advisors San Francisco, California	$170M	-$2.13M	-35,850	-1%
4	PRCM 4 Pine River Capital Management Minnetonka, Minnesota	$144M	+$135M	+2,279,366	New
5	5 Eagle Asset Management St Petersburg, Florida	$132M	-$46.1M	-775,894	-27%
6	6 State Street Boston, Massachusetts	$107M	-$5.29M	-89,064	-5%
7	7 BlackRock Institutional Trust San Francisco, California	$97.2M	+$2.08M	+34,976	+2%
8	8 Water Island Capital New York	$95.6M	+$89.7M	+1,510,667	New
9	OAM 9 Oxford Asset Management Oxford, United Kingdom	$88.6M	+$83.2M	+1,400,000	New
10	10 Fidelity Investments Boston, Massachusetts	$76.7M	+$72.1M	+1,213,000	New
11	11 AQR Arbitrage Greenwich, Connecticut	$73.6M	+$69.1M	+1,162,786	New
12	12 Dimensional Fund Advisors Austin, Texas	$63.2M	+$521K	+8,773	+0.9%
13	13 Gabelli Funds Rye, New York	$60.6M	+$56.9M	+957,600	New
14	14 Magnetar Financial Evanston, Illinois	$58.9M	+$55.4M	+931,755	New
15	15 Northern Trust Chicago, Illinois	$51.1M	-$1.73M	-29,101	-3%
16	16 UBS O'Connor Chicago, Illinois	$43.1M	+$40.4M	+680,633	New
17	17 Westchester Capital Management (New York) Valhalla, New York	$42.2M	+$39.7M	+667,788	New
18	18 Bank of New York Mellon New York	$39.8M	-$2.99M	-50,398	-7%
19	19 Morgan Stanley New York	$39.4M	+$28.2M	+473,870	+318%
20	20 Alpine Associates Management Palm Beach, Florida	$38.4M	+$36M	+606,300	New
21	21 Glazer Capital LLC New York	$37.8M	+$35.5M	+597,466	New
22	22 Deutsche Bank Frankfurt Am Main Ge, Germany	$34.7M	-$17.2M	-289,363	-35%
23	23 TIG Advisors LLC New York	$33.6M	+$31.6M	+531,438	New
24	24 JP Morgan Chase New York	$33.2M	-$17.7M	-297,668	-36%
25	25 Norges Bank Oslo, Norway	$30M	-$2.58M	-43,436	-8%

THORATEC CORPORATION THOR

THORATEC CORPORATION

THOR