During the Trading Day
40.98 -1.53 / -3.60%
Data as of 3:59pm ET
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40.98 0.00 / 0.00%
Volume: 1.4K
Institutional investors purchased a net $1.9 million shares of TSRO during the quarter ended September 2014 and now own 66.84% 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 stakeholders43.46%
Mutual fund holders40.36%
Other institutional26.48%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2014OXFORD ASSET MANAGEMENT LLP  Bought 97.7 Thousand shares of TESARO Inc
12/31/2014GO ETF SOLUTIONS LLP  Bought 22.5 Thousand shares of TESARO Inc
11/28/2014CANDRIAM BELGIUM SA  Bought 19.0 Thousand shares of TESARO Inc

Top 10 Owners of TESARO Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP13.27%4,789,067178,105,402+429,236+9.85%
T. Rowe Price Associates, Inc.6.78%2,446,13990,971,909-28,200-1.14%
AllianceBernstein LP3.99%1,438,48653,497,294+60,816+4.41%
Fidelity Management & Research Co...3.40%1,225,89445,590,99800.00%
HealthCor Management LP3.32%1,198,79544,583,186-276,205-18.73%
The Vanguard Group, Inc.2.42%874,01432,504,581+45,788+5.53%
Goldman Sachs Asset Management LP2.42%872,26532,439,535+289,078+49.57%
BlackRock Fund Advisors2.39%863,92832,129,482-9,861-1.13%
SSgA Funds Management, Inc.2.15%776,86328,891,535+30,116+4.03%
Perceptive Advisors LLC1.96%708,28426,341,082+71,328+11.20%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Select Biotechnology Por...2.97%1,072,11539,871,95700.00%
T Rowe Price Health Sciences Fund2.94%1,062,23839,504,631-2,800-0.26%
Vanguard Explorer Fund2.32%838,80831,195,270-900-0.11%
BB Biotech AG1.95%704,58226,203,40500.00%
FTIF SICAV - Franklin Biotechnolo...1.51%546,20020,313,17800.00%
T Rowe Price New Horizons Fund1.33%480,68117,876,526+1,900+0.40%
SPDR S&P Biotech ETF1.25%452,74816,837,698-72,931-13.87%
Vanguard Total Stock Market Index...1.09%392,11114,582,608+66,654+20.48%
Goldman Sachs Small Cap Value Fun...0.99%358,38213,328,227-248,143-40.91%
iShares Russell 2000 ETF0.92%330,25712,282,258+18,426+5.91%

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