THOR

THORATEC CORPORATION
THOR

Overview Fund Activity
Delisted

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

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238 hedge funds and large institutions have $1.94B invested in THORATEC CORPORATION in 2013 Q4 according to their latest regulatory filings, with 52 funds opening new positions, 75 increasing their positions, 80 reducing their positions, and 19 closing their positions.

Holders
238
Holders Change
+33
Holders Change %
+16.1%
% of All Funds
6.91%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.09%
New
52
Increased
75
Reduced
80
Closed
19
Calls
$25.6M
Puts
$11M
Net Calls
+$14.5M
Net Calls Change
-$2.63M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$71.5M
2
BIT
2
BlackRock Institutional Trust
California
$126M
3
Citadel Advisors
3
Citadel Advisors
Florida
$17.5M
4
GT
4
Glenmede Trust
Pennsylvania
$13.4M
5
Invesco
5
Invesco
Georgia
$57.9M

Top Sellers

1
DM
1
Deerfield Management
New York
$0
2
PIM
2
Perkins Investment Management
Illinois
$0
3
State Street
3
State Street
Massachusetts
$75.4M
4
WI
4
WHV Investments
California
$0
5
Millennium Management
5
Millennium Management
New York
$11.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Ameriprise
26
Ameriprise
Minnesota
$17.6M 479,947 -13,490 -3%
Citadel Advisors
27
Citadel Advisors
Florida
$17.5M 477,456 +416,165 +679%
HCM
28
Highbridge Capital Management
New York
$16M 438,328 +41,683 +11%
SIMG
29
Stephens Investment Management Group
Texas
$16M 437,305 +8,675 +2%
AQR Capital Management
30
AQR Capital Management
Connecticut
$15.8M 431,900 -41,744 -9%
Bank of Montreal
31
Bank of Montreal
Ontario, Canada
$15.5M 422,958 +65,927 +18%
TA
32
Teachers Advisors
New York
$15M 410,255 -104,010 -20%
Two Sigma Investments
33
Two Sigma Investments
New York
$14.2M 389,147 +228,864 +143%
Morgan Stanley
34
Morgan Stanley
New York
$14.1M 384,811 +266,436 +225%
Geode Capital Management
35
Geode Capital Management
Massachusetts
$14.1M 384,144 +30,086 +8%
AC
36
Apex Capital
California
$13.7M 375,000 +163,000 +77%
GT
37
Glenmede Trust
Pennsylvania
$13.4M 366,909 +344,540 +1,540%
Arrowstreet Capital
38
Arrowstreet Capital
Massachusetts
$13.3M 362,163 +60,584 +20%
MAA
39
Managed Account Advisors
New Jersey
$12.8M 348,495 +29,498 +9%
WRF
40
Waddell & Reed Financial
Kansas
$11.9M 324,200 -27,600 -8%
Millennium Management
41
Millennium Management
New York
$11.7M 319,928 -405,995 -56%
TCIM
42
TIAA CREF Investment Management
New York
$11.6M 316,520 -4,824 -2%
SC
43
Samlyn Capital
New York
$11.5M 314,440 +195,000 +163%
Franklin Resources
44
Franklin Resources
California
$11.2M 305,006 +19,834 +7%
Alyeska Investment Group
45
Alyeska Investment Group
Illinois
$11M 300,000 +100,000 +50%
BIM
46
BlackRock Investment Management
Delaware
$10.9M 298,591 -6,509 -2%
RSCM
47
Rock Springs Capital Management
Maryland
$10.1M 275,000 +275,000 New
SGA
48
Sector Gamma AS
Norway
$9.89M 270,100 +40,100 +17%
CS
49
Credit Suisse
Switzerland
$9.81M 268,030 +210,264 +364%
BIM
50
Bogle Investment Management
Massachusetts
$8.74M 238,901 +238,901 New
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