THOR

THORATEC CORPORATION
THOR

Overview Fund Activity
Delisted

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

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200 hedge funds and large institutions have $1.38B invested in THORATEC CORPORATION in 2014 Q3 according to their latest regulatory filings, with 42 funds opening new positions, 64 increasing their positions, 68 reducing their positions, and 55 closing their positions.

Holders
200
Holders Change
-14
Holders Change %
-6.54%
% of All Funds
5.81%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.12%
New
42
Increased
64
Reduced
68
Closed
55
Calls
$31.1M
Puts
$13.5M
Net Calls
+$17.6M
Net Calls Change
+$12M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$148M
2
Massachusetts Financial Services
2
Massachusetts Financial Services
Massachusetts
$27.5M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$38.2M
4
MNA
4
Manning & Napier Advisors
New York
$42.1M
5
Millennium Management
5
Millennium Management
New York
$31.4M

Top Sellers

1
EAM
1
Eagle Asset Management
Florida
$36.1M
2
PIM
2
Perkins Investment Management
Illinois
$0
3
PCM
3
Palisade Capital Management
New Jersey
$0
4
Renaissance Technologies
4
Renaissance Technologies
New York
$3.55M
5
PWLP
5
Prio Wealth Limited Partnership
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ACM
51
Accipiter Capital Management
Florida
$5.35M 200,000 +200,000 New
AP
52
AHL Partners
United Kingdom
$4.98M 186,320 +186,320 New
Barclays
53
Barclays
United Kingdom
$4.43M 170,258 +139,853 +460%
California Public Employees Retirement System
54
California Public Employees Retirement System
California
$4.3M 160,900 +700 +0.4%
State of Wisconsin Investment Board
55
State of Wisconsin Investment Board
Wisconsin
$4.28M 160,000 +160,000 New
Nuveen Asset Management
56
Nuveen Asset Management
Illinois
$4.26M 159,469 -38,666 -20%
PCM
57
Portolan Capital Management
Massachusetts
$4.25M 158,956 +158,956 New
Principal Financial Group
58
Principal Financial Group
Iowa
$4.1M 153,260 +5,147 +3%
NFA
59
Nationwide Fund Advisors
Ohio
$4.02M 150,358 -232 -0.2%
CCM
60
Cohen Capital Management
California
$4M 149,665 – –
AIG
61
American International Group
New York
$3.99M 149,306 -181 -0.1%
PA
62
Perceptive Advisors
New York
$3.94M 147,501 +147,501 New
New York State Common Retirement Fund
63
New York State Common Retirement Fund
New York
$3.77M 141,174 -16,900 -11%
GTC
64
Ghost Tree Capital
New York
$3.74M 140,000 +140,000 New
RPAM
65
Rhenman & Partners Asset Management
Sweden
$3.58M 133,800 +66,300 +98%
Renaissance Technologies
66
Renaissance Technologies
New York
$3.55M 132,939 -791,000 -86%
AllianceBernstein
67
AllianceBernstein
Tennessee
$3.46M 129,573 -60 -0%
CA
68
Continental Advisors
Utah
$3.1M 116,004 +29,504 +34%
AC
69
Amici Capital
New York
$3.07M 115,000 +115,000 New
D.E. Shaw & Co
70
D.E. Shaw & Co
New York
$3.03M 113,463 -25,527 -18%
TCM
71
Tekla Capital Management
Massachusetts
$3.03M 113,300 +113,300 New
ECP
72
Elk Creek Partners
Colorado
$2.85M 106,731 +16,135 +18%
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$2.8M 104,817 +1,095 +1%
Fidelity Investments
74
Fidelity Investments
Massachusetts
$2.76M 103,100 +103,100 New
WMSA
75
Weiss Multi-Strategy Advisers
New York
$2.75M 103,000 +26,080 +34%
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