Data as of Sep 19
 +0.98 / +3.55%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $1.6 million shares of TSRO during the quarter ended June 2014, and now own 61.20% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders45.18%
Mutual fund holders37.28%
Other institutional23.92%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2014FIDELITY MANAGEMENT & RESEARCH C...  Bought 1.2 Million shares of TESARO Inc
6/30/2014T. ROWE PRICE ASSOCIATES, INC.  Bought 702.2 Thousand shares of TESARO Inc
6/30/2014WELLINGTON MANAGEMENT CO. LLP  Bought 652.6 Thousand shares of TESARO Inc

Top 10 Owners of TESARO Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP12.10%4,359,831128,876,604+652,596+17.60%
T. Rowe Price Associates, Inc.6.87%2,474,33973,141,461+702,186+39.62%
HealthCor Management LP4.09%1,475,00043,601,000+75,000+5.36%
AllianceBernstein LP3.82%1,377,67040,723,925+100,365+7.86%
Fidelity Management & Research Co...3.40%1,225,89436,237,427+1,225,894--
BlackRock Fund Advisors2.42%873,78925,829,203+106,194+13.83%
The Vanguard Group, Inc.2.30%828,22624,482,361+13,337+1.64%
Franklin Advisers, Inc.2.22%800,30023,656,86800.00%
SSgA Funds Management, Inc.2.07%746,74722,073,841+26,787+3.72%
Bellevue Asset Management AG1.96%704,58220,827,444+100,000+16.54%

Top 10 Mutual Funds Holding TESARO Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Select Biotechnology Por...2.98%1,072,11531,691,71900.00%
T Rowe Price Health Sciences Fund2.76%994,13829,386,71900.00%
Vanguard Explorer Fund2.33%839,70824,821,768+239,708+39.95%
BB Biotech AG1.96%704,58220,827,444+100,000+16.54%
FTIF SICAV - Franklin Biotechnolo...1.52%546,20016,145,67200.00%
SPDR S&P Biotech ETF1.44%518,53215,327,806+14,623+2.90%
T Rowe Price New Horizons Fund1.41%507,78115,010,006+129,000+34.06%
Goldman Sachs Small Cap Value Fun...1.08%388,60111,487,046+265,436+215.51%
T Rowe Price Small Cap Stock Fund0.93%333,5009,858,260+333,500--
Vanguard Total Stock Market Index...0.87%313,1529,256,77300.00%

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