THOR

THORATEC CORPORATION
THOR

Overview Fund Activity
Delisted

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

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219 hedge funds and large institutions have $2.27B invested in THORATEC CORPORATION in 2015 Q2 according to their latest regulatory filings, with 49 funds opening new positions, 69 increasing their positions, 68 reducing their positions, and 10 closing their positions.

Holders
219
Holders Change
+37
Holders Change %
+20.33%
% of All Funds
5.91%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.13%
New
49
Increased
69
Reduced
68
Closed
10
Calls
$34.8M
Puts
$18.1M
Net Calls
+$16.7M
Net Calls Change
+$3.32M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$36.8M
2
EAM
2
Eagle Asset Management
Florida
$128M
3
PWAM
3
Park West Asset Management
California
$43.5M
4
BJCM
4
Blue Jay Capital Management
California
$9.58M
5
Arrowstreet Capital
5
Arrowstreet Capital
Massachusetts
$10.1M

Top Sellers

1
AA
1
Antipodean Advisors
New York
$0
2
BA
2
BlackRock Advisors
Delaware
$48.6M
3
Boston Partners
3
Boston Partners
Massachusetts
$3.48M
4
BTW
4
Boston Trust Walden
Massachusetts
$27.6M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$229M
Name Market Value Shares Shares
Change 		Shares
Change %
Alyeska Investment Group
26
Alyeska Investment Group
Illinois
$26M 582,891 -76,570 -12%
UBS AM
27
UBS AM
Illinois
$25.3M 567,349 +90,288 +19%
RSCM
28
Rock Springs Capital Management
Maryland
$23.7M 532,500 +17,500 +3%
Norges Bank
29
Norges Bank
Norway
$23.1M 518,196 -189,849 -27%
Geode Capital Management
30
Geode Capital Management
Massachusetts
$20.6M 461,461 +2,033 +0.4%
BIM
31
BlackRock Investment Management
Delaware
$20.1M 451,650 +14,211 +3%
Capital World Investors
32
Capital World Investors
California
$19.4M 435,000 – –
D.E. Shaw & Co
33
D.E. Shaw & Co
New York
$17.8M 400,423 +149,804 +60%
Ameriprise
34
Ameriprise
Minnesota
$16.7M 374,924 -22,014 -6%
DCM
35
Decade Capital Management
New York
$16.6M 371,332 +25,432 +7%
TA
36
Teachers Advisors
New York
$14.1M 317,466 +51,207 +19%
TCIM
37
TIAA CREF Investment Management
New York
$13.1M 293,843 -1,861 -0.6%
Mackenzie Financial
38
Mackenzie Financial
Ontario, Canada
$11.6M 260,700 -51,300 -16%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$11.1M 248,910 +73,584 +42%
Wellington Management Group
40
Wellington Management Group
Massachusetts
$10.8M 242,665 +11,330 +5%
MAA
41
Managed Account Advisors
New Jersey
$10.3M 231,627 +9,900 +4%
SGA
42
Sector Gamma AS
Norway
$10.2M 229,300 -20,200 -8%
Massachusetts Financial Services
43
Massachusetts Financial Services
Massachusetts
$10.2M 228,833 -221,988 -49%
PA
44
Perceptive Advisors
New York
$10.1M 226,000 -74,000 -25%
Arrowstreet Capital
45
Arrowstreet Capital
Massachusetts
$10.1M 225,706 +211,800 +1,523%
BJCM
46
Blue Jay Capital Management
California
$9.58M 215,000 +215,000 New
AP
47
AHL Partners
United Kingdom
$9.09M 203,930 +23,038 +13%
Renaissance Technologies
48
Renaissance Technologies
New York
$9.04M 202,839 +202,839 New
Charles Schwab
49
Charles Schwab
California
$9M 201,834 +10,714 +6%
Bank of America
50
Bank of America
North Carolina
$8.97M 201,356 +10,294 +5%
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