Thoratec Corp (NASDAQ:THOR)

Data as of Jan 30
 -0.94 / -2.55%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of THOR through the 96.58% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Medical Specialties industry. Last, during the quarter ended September 2014, these large investors purchased a net $2.7 thousand shares.
Mutual fund holders53.25%
Other institutional43.33%
Individual stakeholders22.63%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2014STATE STREET GLOBAL ADVISORS LTD...  Bought 340.7 Thousand shares of Thoratec Corp
12/31/2014EAGLE ASSET MANAGEMENT, INC.  Bought 304.4 Thousand shares of Thoratec Corp
12/31/2014OXFORD ASSET MANAGEMENT LLP  Bought 230.8 Thousand shares of Thoratec Corp

Top 10 Owners of Thoratec Corp

Total value ($)Shares
bought / sold
T. Rowe Price Associates, Inc.11.01%6,056,043196,579,156+517,340+9.34%
BlackRock Fund Advisors8.10%4,455,823144,636,015-221,674-4.74%
The Vanguard Group, Inc.6.23%3,427,752111,264,830-508,817-12.93%
SSgA Funds Management, Inc.3.63%1,997,23964,830,378-45,796-2.24%
BlackRock Advisors LLC3.05%1,677,18654,441,458+421,373+33.55%
Eagle Asset Management, Inc.3.01%1,653,19353,662,645+304,393+22.57%
Manning & Napier Advisors LLC2.86%1,575,34051,135,536+914,150+138.26%
Balyasny Asset Management LP2.60%1,429,05246,387,028+1,019,746+249.14%
Oracle Investment Management, Inc...2.22%1,222,00039,666,120-244,304-16.66%
Invesco Advisers, Inc.2.19%1,203,92839,079,503+98,215+8.88%

Top 10 Mutual Funds Holding Thoratec Corp

Mutual fundStakeShares
Total value ($)Shares
bought / sold
T Rowe Price Health Sciences Fund3.05%1,675,30054,380,238+1,048,900+167.45%
T Rowe Price Small Cap Stock Fund1.82%998,80032,421,048-4,600-0.46%
Vanguard Small Cap Index Fund1.80%988,58832,089,566+4,270+0.43%
iShares Russell 2000 ETF1.77%972,45331,565,824+57,539+6.29%
Vanguard Total Stock Market Index...1.70%933,96330,316,439+5,544+0.60%
Eagle Small Cap Growth Fund1.50%824,06226,749,053+135,308+19.65%
iShares Core S&P Mid Cap ETF1.49%817,34826,531,116-36,756-4.30%
Wells Fargo Advantage Common Stoc...1.39%765,96524,863,22400.00%
Government Pension Fund - Global ...1.31%719,09223,341,726+55,966+8.44%
Vanguard Small Cap Growth Index F...1.15%630,64020,470,574-26,813-4.08%

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