THOR

THORATEC CORPORATION
THOR

Overview Fund Activity
Delisted

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

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205 hedge funds and large institutions have $1.91B invested in THORATEC CORPORATION in 2013 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 69 increasing their positions, 86 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
205
Holders Change
-7
Holders Change %
-3.3%
% of All Funds
6.65%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.13%
New
24
Increased
69
Reduced
86
Closed
30
Calls
$38.8M
Puts
$21.6M
Net Calls
+$17.2M
Net Calls Change
+$13.3M

Top Buyers

1
EAM
1
Eagle Asset Management
Florida
$141M
2
DM
2
Deerfield Management
New York
$33.2M
3
Norges Bank
3
Norges Bank
Norway
$28M
4
WI
4
WHV Investments
California
$15.1M
5
PC
5
Passport Capital
California
$13.6M

Top Sellers

1
BIT
1
BlackRock Institutional Trust
California
$89.8M
2
Wells Fargo
2
Wells Fargo
California
$50.4M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$10.4M
4
Citadel Advisors
4
Citadel Advisors
Florida
$2.29M
5
VAM
5
Visium Asset Management
New York
$2.18M
Name Holding Trade Value Shares
Change 		Shares
Change %
RIA
201
Regal Investment Advisors
Michigan
$4K – – –
ST
202
SpiderRock Trading
Illinois
$4K -$12K – –
NES
203
New England Securities
New York
$3K – – –
MFS
204
MSI Financial Services
Massachusetts
$3K +$584 +15 +24%
WCBA
205
Weaver C. Barksdale & Associates
Tennessee
$2K -$296 -8 -13%
LTFS
206
Ladenburg Thalmann Financial Services
Florida
$2K +$359 +7 +22%
SAM
207
Sectoral Asset Management
Quebec, Canada
– -$14.7M -470,118 Closed
MWNA
208
Marshall Wace North America
New York
– -$11.4M -364,926 Closed
AC
209
Ascend Capital
California
– -$8.91M -284,733 Closed
CCM
210
Cadence Capital Management
Massachusetts
– -$4.21M -134,306 Closed
First Trust Advisors
211
First Trust Advisors
Illinois
– -$3.58M -114,292 Closed
GAM
212
Gotham Asset Management
New York
– -$2.9M -92,651 Closed
JHIU
213
Janus Henderson Investors US
Colorado
– -$2.33M -74,500 Closed
SFM
214
Systematic Financial Management
New Jersey
– -$1.48M -47,219 Closed
EMG
215
Ellington Management Group
Connecticut
– -$1.08M -34,400 Closed
CB
216
Commerce Bank
Missouri
– -$825K -26,348 Closed
MF
217
Magnetar Financial
Illinois
– -$791K -25,266 Closed
SFP
218
Santa Fe Partners
New Mexico
– -$789K -25,160 Closed
Wellington Management Group
219
Wellington Management Group
Massachusetts
– -$746K -23,825 Closed
DCM
220
Dynamic Capital Management
Jersey
– -$609K -19,458 Closed
NCCM
221
Nine Chapters Capital Management
New Jersey
– -$517K -16,500 Closed
Tudor Investment Corp
222
Tudor Investment Corp
Connecticut
– -$448K -14,300 Closed
BF
223
BOK Financial
Oklahoma
– -$421K -13,456 Closed
FCBT
224
First Citizens Bank & Trust
North Carolina
– -$403K -12,867 Closed
HI
225
HBK Investments
Texas
– -$362K -11,552 Closed
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