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.

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

Top Sellers

1
GAM
Gotham Asset Management
New York
$0
2
Balyasny Asset Management
Balyasny Asset Management
Illinois
$28.1M
3
HP
HealthInvest Partners
Sweden
$0
4
RA
Royce & Associates
New York
$0
5
BIT
BlackRock Institutional Trust
California
$51.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
RAM
176
Riggs Asset Management
Pennsylvania
$16K – – –
WA
177
WFG Advisors
Texas
$10K – – –
RMAM
178
Raab & Moskowitz Asset Management
New Jersey
$10K +$10K +300 New
WEC
179
Winslow Evans & Crocker
Massachusetts
$6.17K – – –
RIA
180
Regal Investment Advisors
Michigan
$6K – – –
GAM
181
Gemmer Asset Management
California
$5K – – –
Manulife (Manufacturers Life Insurance)
182
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$3.39K -$159 -4,911 -4%
VIA
183
Vantage Investment Advisors
Pennsylvania
$3K – – –
SEC
184
Seven Eight Capital
New York
$3K +$3K +100 New
WCBA
185
Weaver C. Barksdale & Associates
Tennessee
$2K -$656 -21 -25%
MFS
186
MSI Financial Services
Massachusetts
$2K – – –
GAM
187
Gotham Asset Management
New York
– -$26M -970,893 Closed
HP
188
HealthInvest Partners
Sweden
– -$9.79M -366,066 Closed
RA
189
Royce & Associates
New York
– -$9.31M -348,300 Closed
VAM
190
Visium Asset Management
New York
– -$7.93M -296,574 Closed
PCM
191
Portolan Capital Management
Massachusetts
– -$4.25M -158,956 Closed
GTC
192
Ghost Tree Capital
New York
– -$3.74M -140,000 Closed
Renaissance Technologies
193
Renaissance Technologies
New York
– -$3.55M -132,939 Closed
TCM
194
Tekla Capital Management
Massachusetts
– -$3.03M -113,300 Closed
ECP
195
Elk Creek Partners
Colorado
– -$2.85M -106,731 Closed
Fidelity Investments
196
Fidelity Investments
Massachusetts
– -$2.76M -103,100 Closed
CIP
197
Convergence Investment Partners
Florida
– -$2.16M -80,670 Closed
CAD
198
Craig A. Drill
– -$2.05M -76,800 Closed
NC
199
Nicholas Company
Wisconsin
– -$2.02M -75,670 Closed
AC
200
Ascend Capital
California
– -$2M -75,000 Closed
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