THOR

THORATEC CORPORATION
THOR

Overview Fund Activity
Delisted

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

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191 hedge funds and large institutions have $1.66B invested in THORATEC CORPORATION in 2014 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 44 increasing their positions, 89 reducing their positions, and 34 closing their positions.

Holders
191
Holders Change
-9
Holders Change %
-4.5%
% of All Funds
5.1%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
28
Increased
44
Reduced
89
Closed
34
Calls
$18.6M
Puts
$4.92M
Net Calls
+$13.7M
Net Calls Change
-$3.93M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$62.1M
2
AA
2
Antipodean Advisors
New York
$21.4M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$201M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$17M
5
Citadel Advisors
5
Citadel Advisors
Florida
$18.5M

Top Sellers

1
GAM
1
Gotham Asset Management
New York
$0
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$28.1M
3
HP
3
HealthInvest Partners
Sweden
$0
4
RA
4
Royce & Associates
New York
$0
5
BIT
5
BlackRock Institutional Trust
California
$51.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Citadel Advisors
26
Citadel Advisors
Florida
$18.5M 569,871 +492,023 +632%
RSCM
27
Rock Springs Capital Management
Maryland
$17.3M 533,500 +12,500 +2%
Alyeska Investment Group
28
Alyeska Investment Group
Illinois
$17M 524,014 +524,014 New
BC
29
Broadfin Capital
New York
$16.2M 500,000 – –
Geode Capital Management
30
Geode Capital Management
Massachusetts
$15.2M 469,296 -5,269 -1%
PHS
31
PFM Health Sciences
California
$15.2M 466,911 +466,911 New
DCM
32
Decade Capital Management
New York
$14.8M 455,900 +160,000 +54%
Capital World Investors
33
Capital World Investors
California
$14.1M 435,000 – –
BIM
34
BlackRock Investment Management
Delaware
$13.2M 406,313 -6,695 -2%
PWAM
35
Park West Asset Management
California
$13M 399,472 +125,000 +46%
Ameriprise
36
Ameriprise
Minnesota
$12.9M 397,654 -10,010 -2%
SGA
37
Sector Gamma AS
Norway
$12.7M 392,500 -235,800 -38%
PA
38
Perceptive Advisors
New York
$12.7M 392,465 +244,964 +166%
UBS AM
39
UBS AM
Illinois
$11.2M 344,711 +87,879 +34%
Mackenzie Financial
40
Mackenzie Financial
Ontario, Canada
$10.6M 326,600 – –
Canada Pension Plan Investment Board
41
Canada Pension Plan Investment Board
Ontario, Canada
$10.4M 320,200 -31,100 -9%
TCIM
42
TIAA CREF Investment Management
New York
$10M 307,908 -8,584 -3%
PAI
43
Palo Alto Investors
California
$8.73M 268,861 +268,861 New
B
44
Baird
Wisconsin
$8.69M 267,713 +267,713 New
TA
45
Teachers Advisors
New York
$7.71M 237,437 -169,400 -42%
OAM
46
Oxford Asset Management
United Kingdom
$7.6M 230,816 +230,816 New
MAA
47
Managed Account Advisors
New Jersey
$6.9M 212,608 -20,147 -9%
Wellington Management Group
48
Wellington Management Group
Massachusetts
$6.83M 210,495 -6,795 -3%
Bank of Montreal
49
Bank of Montreal
Ontario, Canada
$6.77M 208,590 -110,928 -35%
CCM
50
Catapult Capital Management
New York
$6.49M 200,000 +150,000 +300%
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