TESARO Inc (NASDAQ:TSRO)

During the Trading Day
34.75 +0.84 / +2.48%
Data as of 4:00pm ET
Day’s Change
During After-Hours   Switch to standard view »
34.75 0.00 / 0.00%
 
Volume: 4.8K
Institutional investors purchased a net $1.8 million shares of TSRO during the quarter ended September 2014 and now own 66.13% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Individual stakeholders45.19%
Mutual fund holders40.56%
Other institutional25.57%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

9/30/2014LOOMIS, SAYLES & CO. LP  Bought 474.1 Thousand shares of TESARO Inc
9/30/2014WELLINGTON MANAGEMENT CO. LLP  Bought 429.2 Thousand shares of TESARO Inc
9/30/2014MILLENNIUM MANAGEMENT LLC  Bought 377.7 Thousand shares of TESARO Inc

Top 10 Owners of TESARO Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Wellington Management Co. LLP13.29%4,789,067133,231,844+429,236+9.85%
T. Rowe Price Associates, Inc.6.79%2,446,13968,051,587-28,200-1.14%
AllianceBernstein LP3.99%1,438,48640,018,681+60,816+4.41%
Fidelity Management & Research Co...3.40%1,225,89434,104,37100.00%
HealthCor Management LP3.33%1,198,79533,350,477-276,205-18.73%
The Vanguard Group, Inc.2.42%874,01424,315,069+45,788+5.53%
Goldman Sachs Asset Management LP2.42%872,26524,266,412+289,078+49.57%
BlackRock Fund Advisors2.40%863,92824,034,477-9,861-1.13%
SSgA Funds Management, Inc.2.15%776,86321,612,329+30,116+4.03%
Perceptive Advisors LLC1.97%708,28419,704,461+71,328+11.20%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Select Biotechnology Por...2.98%1,072,11529,826,23900.00%
T Rowe Price Health Sciences Fund2.95%1,062,23829,551,461-2,800-0.26%
Vanguard Explorer Fund2.33%839,70823,360,677+239,708+39.95%
BB Biotech AG1.96%704,58219,601,471+100,000+16.54%
Goldman Sachs Small Cap Value Fun...1.68%606,52516,873,526+217,924+56.08%
FTIF SICAV - Franklin Biotechnolo...1.52%546,20015,195,28400.00%
SPDR S&P Biotech ETF1.51%543,00315,106,343+14,842+2.81%
T Rowe Price New Horizons Fund1.33%478,78113,319,687-29,000-5.71%
Vanguard Total Stock Market Index...0.90%325,4579,054,214+12,305+3.93%
T Rowe Price Small Cap Stock Fund0.89%322,2008,963,604-11,300-3.39%

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