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THOR

THORATEC CORPORATION
THOR

Delisted

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

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

278% more call options, than puts

Call options by funds: $18.6M | Put options by funds: $4.92M

20% more capital invested

Capital invested by funds: $1.38B → $1.66B (+$283M)

5% less funds holding

Funds holding: 200191 (-9)

18% less first-time investments, than exits

New positions opened: 28 | Existing positions closed: 34

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

51% less repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 89

Holders
191
Holders Change
-9
Holders Change %
-4.5%
% of All Funds
5.09%
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
Name Holding Trade Value Shares
Change
Change in
Stake
Citadel Advisors
26
Citadel Advisors
Florida
$18.5M +$14.3M +492,023 +632%
RSCM
27
Rock Springs Capital Management
Maryland
$17.3M +$364K +12,500 +2%
Alyeska Investment Group
28
Alyeska Investment Group
Illinois
$17M +$15.2M +524,014 New
BC
29
Broadfin Capital
New York
$16.2M
Geode Capital Management
30
Geode Capital Management
Massachusetts
$15.2M -$153K -5,269 -1%
PHS
31
PFM Health Sciences
California
$15.2M +$13.6M +466,911 New
DCM
32
Decade Capital Management
New York
$14.8M +$4.66M +160,000 +54%
Capital World Investors
33
Capital World Investors
California
$14.1M
BIM
34
BlackRock Investment Management
Delaware
$13.2M -$195K -6,695 -2%
PWAM
35
Park West Asset Management
California
$13M +$3.64M +125,000 +46%
Ameriprise
36
Ameriprise
Minnesota
$12.9M -$291K -10,010 -2%
SGA
37
Sector Gamma AS
Norway
$12.7M -$6.86M -235,800 -38%
PA
38
Perceptive Advisors
New York
$12.7M +$7.13M +244,964 +166%
UBS AM
39
UBS AM
Illinois
$11.2M +$2.56M +87,879 +34%
Mackenzie Financial
40
Mackenzie Financial
Ontario, Canada
$10.6M
Canada Pension Plan Investment Board
41
Canada Pension Plan Investment Board
Ontario, Canada
$10.4M -$905K -31,100 -9%
TCIM
42
TIAA CREF Investment Management
New York
$9.99M -$250K -8,584 -3%
PAI
43
Palo Alto Investors
California
$8.73M +$7.82M +268,861 New
B
44
Baird
Wisconsin
$8.69M +$7.79M +267,713 New
TA
45
Teachers Advisors
New York
$7.71M -$4.93M -169,400 -42%
OAM
46
Oxford Asset Management
United Kingdom
$7.6M +$6.72M +230,816 New
MAA
47
Managed Account Advisors
New Jersey
$6.9M -$586K -20,147 -9%
Wellington Management Group
48
Wellington Management Group
Massachusetts
$6.83M -$198K -6,795 -3%
Bank of Montreal
49
Bank of Montreal
Ontario, Canada
$6.77M -$3.23M -110,928 -35%
CCM
50
Catapult Capital Management
New York
$6.49M +$4.36M +150,000 +300%

THOR Hedge Fund Activity: Q4 2014 in Review

191 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in THORATEC CORPORATION (THOR) for Q4 2014, worth a combined $1.66B — up 20% from $1.38B a quarter earlier.

Sellers outnumbered buyers: 34 funds closed out of THOR and 28 opened new positions — a net loss of 6 holders — while 89 trimmed existing stakes and 44 added.

The largest buyer was Millennium Management, adding an estimated $21.5M. The largest seller was Gotham Asset Management, exiting entirely with an estimated $26M sold.

  • 191 institutional investors held THORATEC CORPORATION (THOR) as of Q4 2014, down from 200 in Q3 2014.
  • Funds reported $1.66B of THORATEC CORPORATION stock for Q4 2014, up 20% quarter-over-quarter.
  • 28 funds opened new THORATEC CORPORATION positions in Q4 2014 and 34 closed out, a net change of -6 holders.
  • The largest THORATEC CORPORATION buyer in Q4 2014 was Millennium Management, an estimated $21.5M added.
  • The largest THORATEC CORPORATION seller in Q4 2014 was Gotham Asset Management, an estimated $26M sold.

Based on aggregated 13F filings for Q4 2014.