SIG
TSRO

Senator Investment Group’s TESARO, Inc. TSRO Stock Holding History

Senator Investment Group’s Portfolio TSRO Stock Details TSRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q4 		– Sell
-400,000
Closed -$51.6M – 68
2017
Q3 		$51.6M Buy
400,000
+390,000
+3,900% +$48.4M 0.69% 35
2017
Q2 		$1.4M Sell
10,000
-490,000
-98% -$71M 0.02% 55
2017
Q1 		$76.9M Buy
500,000
+225,000
+82% +$36.6M 0.95% 35
2016
Q4 		$37M Buy
+275,000
New +$34.7M 0.56% 32

Other funds holding TSRO

NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
IVM
InterWest Venture Management San Francisco, California $20.6M AUM 48.5% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
BB
BB Biotech Schaffhausen, Switzerland $3.98B AUM 15.47% 1-Year Est. Return

Senator Investment Group's TSRO Position: Q4 2017 in Review

Senator Investment Group sold out of TESARO, Inc. (TSRO) in Q4 2017, closing a stake of 400,000 shares — an estimated $51.6M sold.

Senator Investment Group first reported a position in TSRO in Q4 2016 and held it in 4 quarters. The position peaked at $76.9M in Q1 2017. 265 funds tracked by Wall St. Rank hold TSRO as of Q4 2017.

  • Senator Investment Group reported no remaining TESARO, Inc. position as of Q4 2017 after selling out during the quarter.
  • Senator Investment Group sold 400,000 TESARO, Inc. shares in Q4 2017, an estimated $51.6M.
  • Senator Investment Group first reported a position in TESARO, Inc. in Q4 2016 and held it in 4 quarters.
  • Senator Investment Group's TESARO, Inc. position peaked at $76.9M in Q1 2017.
  • 265 funds tracked by Wall St. Rank held TESARO, Inc. as of Q4 2017.

Based on Senator Investment Group's 13F filing for Q4 2017, filed 14 Feb 2018.