TESARO Inc (NASDAQ:TSRO)

55.71
Delayed Data
As of May 22
 -0.08 / -0.14%
Today’s Change
23.00
Today|||52-Week Range
64.97
+49.80%
Year-to-Date
Institutional investors purchased a net $4.8 million shares of TSRO during the quarter ended March 2015 and now own 75.89% 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.
Mutual fund holders42.19%
Individual stakeholders38.65%
Other institutional33.71%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

3/31/2015FIDELITY MANAGEMENT & RESEARCH C...  Bought 2.5 Million shares of TESARO Inc
3/31/2015T. ROWE PRICE ASSOCIATES, INC.  Bought 1.0 Million shares of TESARO Inc
3/31/2015ORBIMED ADVISORS LLC  Bought 727.7 Thousand shares of TESARO Inc

Top 10 Owners of TESARO Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Management & Research Co...9.34%3,734,411203,413,367+2,508,517+204.63%
T. Rowe Price Associates, Inc.8.85%3,538,524192,743,402+1,007,985+39.83%
Wellington Management Co. LLP8.74%3,495,847190,418,786-768,857-18.03%
OrbiMed Advisors LLC5.15%2,057,700112,082,919+727,700+54.71%
The Vanguard Group, Inc.3.96%1,582,46586,196,869+606,320+62.11%
BlackRock Fund Advisors3.52%1,408,15376,702,094+349,551+33.02%
AllianceBernstein LP2.78%1,110,95160,513,501-235,548-17.49%
Perceptive Advisors LLC2.45%978,35953,291,215+95,000+10.75%
HealthCor Management LP2.31%925,00050,384,750-125,000-11.90%
Bellevue Asset Management AG2.16%864,88247,110,123+160,300+22.75%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Select Biotechnology Por...3.69%1,477,07380,456,166+404,958+37.77%
T Rowe Price Health Sciences Fund2.83%1,131,83861,651,216+69,600+6.55%
Vanguard Explorer Fund2.04%815,92844,443,598-22,880-2.73%
BB Biotech AG1.76%704,58238,378,58200.00%
Fidelity Select Health Care Portf...1.63%650,00035,405,500+650,000--
T Rowe Price New Horizons Fund1.20%480,68126,182,694+1,900+0.40%
Vanguard Small Cap Index Fund1.17%468,80625,535,863+266,843+132.12%
Vanguard Total Stock Market Index...1.13%453,00924,675,400+3,700+0.82%
SPDR S&P Biotech ETF0.97%389,39621,210,400+17,767+4.78%
iShares Russell 2000 ETF0.87%346,17818,856,316+16,789+5.10%

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