55.03
BATS BZX Real-Time Price
As of 3:50pm ET
 -0.37 / -0.67%
Today’s Change
22.15
Today|||52-Week Range
62.25
+47.97%
Year-to-Date
Institutional investors purchased a net $2.1 million shares of TSRO during the quarter ended December 2014 and now own 72.48% 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 stakeholders42.81%
Mutual fund holders41.32%
Other institutional31.16%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2014ORBIMED ADVISORS LLC  Bought 1.3 Million shares of TESARO Inc
12/31/2014POINT72 ASSET MANAGEMENT LP  Bought 442.4 Thousand shares of TESARO Inc
12/31/2014CITIGROUP GLOBAL MARKETS, INC. (...  Bought 282.2 Thousand shares of TESARO Inc

Top 10 Owners of TESARO Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Wellington Management Co. LLP13.91%5,022,323267,840,486+233,256+4.87%
T. Rowe Price Associates, Inc.7.01%2,530,539134,953,645+84,400+3.45%
AllianceBernstein LP3.73%1,346,49971,808,792-91,987-6.39%
OrbiMed Advisors LLC3.68%1,330,00070,928,900+1,330,000--
Fidelity Management & Research Co...3.40%1,225,89465,376,92700.00%
BlackRock Fund Advisors2.93%1,058,60256,455,245+194,674+22.53%
HealthCor Management LP2.91%1,050,00055,996,500-148,795-12.41%
The Vanguard Group, Inc.2.70%976,14552,057,813+102,131+11.69%
Perceptive Advisors LLC2.45%883,35947,109,535+175,075+24.72%
Millennium Management LLC2.15%777,07341,441,303+191,741+32.76%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
T Rowe Price Health Sciences Fund3.13%1,131,83860,360,921+69,600+6.55%
Fidelity Select Biotechnology Por...2.97%1,072,11557,175,89300.00%
Vanguard Explorer Fund2.26%815,92843,513,440-22,880-2.73%
BB Biotech AG1.95%704,58237,575,35800.00%
SPDR S&P Biotech ETF1.58%570,05030,400,767+38,234+7.19%
T Rowe Price New Horizons Fund1.33%480,68125,634,718+1,900+0.40%
Vanguard Total Stock Market Index...1.09%392,11120,911,28000.00%
FTIF SICAV - Franklin Biotechnolo...1.05%378,50020,185,405-58,600-13.41%
Goldman Sachs Small Cap Value Fun...0.99%358,38219,112,512-248,143-40.91%
Hartford Small Company HLS Fund0.90%325,63417,366,061-1,540-0.47%

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