During the Trading Day
26.40 +0.68 / +2.64%
Data as of 3:59pm ET
Day’s Change
During After-Hours   Switch to standard view »
26.09 -0.3063 / -1.16%
Volume: 1.8K
Institutional investors purchased a net $1.6 million shares of TSRO during the quarter ended June 2014 and now own 61.16% 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 holders38.33%
Other institutional22.84%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2014QUANTBOT TECHNOLOGIES LLC  Bought 5.9 Thousand shares of TESARO Inc
8/29/2014CANDRIAM BELGIUM SA  Bought 5.0 Thousand shares of TESARO Inc
8/29/2014CREDIT SUISSE AG  Bought 300.00 shares of TESARO Inc

Top 10 Owners of TESARO Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP12.10%4,359,831117,366,651+652,596+17.60%
T. Rowe Price Associates, Inc.6.87%2,474,33966,609,206+702,186+39.62%
HealthCor Management LP4.09%1,475,00039,707,000+75,000+5.36%
AllianceBernstein LP3.82%1,377,67037,086,876+100,365+7.86%
Fidelity Management & Research Co...3.40%1,225,89433,001,066+1,225,894--
BlackRock Fund Advisors2.42%873,78923,522,400+106,194+13.83%
The Vanguard Group, Inc.2.30%828,22622,295,844+13,337+1.64%
Franklin Advisers, Inc.2.22%800,30021,544,07600.00%
SSgA Funds Management, Inc.2.07%746,74720,102,429+26,787+3.72%
Bellevue Asset Management AG1.96%704,58218,967,347+100,000+16.54%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Select Biotechnology Por...2.98%1,072,11528,861,33600.00%
T Rowe Price Health Sciences Fund2.96%1,065,03828,670,823+70,900+7.13%
Vanguard Explorer Fund2.33%839,70822,604,939+239,708+39.95%
BB Biotech AG1.96%704,58218,967,347+100,000+16.54%
FTIF SICAV - Franklin Biotechnolo...1.52%546,20014,703,70400.00%
SPDR S&P Biotech ETF1.47%528,16114,218,094+9,629+1.86%
T Rowe Price New Horizons Fund1.41%507,78113,669,465+129,000+34.06%
Goldman Sachs Small Cap Value Fun...1.08%388,60110,461,139+265,436+215.51%
T Rowe Price Small Cap Stock Fund0.93%333,5008,977,820+333,500--
Vanguard Total Stock Market Index...0.87%313,1528,430,05200.00%

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