Rock Springs Capital Management’s TESARO, Inc. TSRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2019
Q1
Sell
-601,700
Closed -$44.7M 140
2018
Q4
$44.7M Sell
601,700
-133,300
-18% -$6.41M 2.11% 10
2018
Q3
$28.7M Buy
735,000
+109,600
+18% +$3.87M 1.04% 32
2018
Q2
$27.8M Buy
625,400
+52,400
+9% +$2.55M 1.07% 27
2018
Q1
$32.7M Buy
573,000
+24,500
+4% +$1.58M 1.4% 20
2017
Q4
$45.5M Buy
548,500
+53,250
+11% +$5.22M 2.06% 9
2017
Q3
$63.9M Buy
495,250
+4,750
+1% +$590K 2.95% 3
2017
Q2
$68.6M Buy
490,500
+15,600
+3% +$2.26M 3.46% 1
2017
Q1
$73.1M Sell
474,900
-138,600
-23% -$22.6M 4.22% 1
2016
Q4
$82.5M Sell
613,500
-13,000
-2% -$1.64M 5.52% 1
2016
Q3
$62.8M Buy
626,500
+146,500
+31% +$13.7M 3.94% 1
2016
Q2
$40.3M Buy
480,000
+100,500
+26% +$4.48M 2.99% 4
2016
Q1
$16.7M Buy
379,500
+45,500
+14% +$1.83M 1.4% 23
2015
Q4
$17.5M Buy
334,000
+108,000
+48% +$5.16M 1.32% 22
2015
Q3
$9.06M Buy
226,000
+9,000
+4% +$492K 0.74% 47
2015
Q2
$12.8M Buy
217,000
+7,000
+3% +$402K 0.93% 36
2015
Q1
$12.1M Buy
210,000
+22,500
+12% +$1.06M 1.13% 29
2014
Q4
$6.97M Buy
187,500
+10,000
+6% +$309K 0.82% 44
2014
Q3
$4.78M Buy
177,500
+12,500
+8% +$367K 0.74% 43
2014
Q2
$5.13M Buy
165,000
+35,500
+27% +$946K 0.92% 40
2014
Q1
$3.82M Buy
129,500
+71,250
+122% +$2.24M 0.88% 35
2013
Q4
$1.65M Buy
+58,250
New +$2.16M 0.59% 47

Other funds holding TSRO

Rock Springs Capital Management's TSRO Position: Q1 2019 in Review

Rock Springs Capital Management sold out of TESARO, Inc. (TSRO) in Q1 2019, closing a stake of 601,700 shares — an estimated $44.7M sold.

Rock Springs Capital Management first reported a position in TSRO in Q4 2013 and held it in 21 quarters. The position peaked at $82.5M in Q4 2016. 2 funds tracked by Wall St. Rank hold TSRO as of Q1 2019.

  • Rock Springs Capital Management reported no remaining TESARO, Inc. position as of Q1 2019 after selling out during the quarter.
  • Rock Springs Capital Management sold 601,700 TESARO, Inc. shares in Q1 2019, an estimated $44.7M.
  • Rock Springs Capital Management first reported a position in TESARO, Inc. in Q4 2013 and held it in 21 quarters.
  • Rock Springs Capital Management's TESARO, Inc. position peaked at $82.5M in Q4 2016.
  • 2 funds tracked by Wall St. Rank held TESARO, Inc. as of Q1 2019.

Based on Rock Springs Capital Management's 13F filing for Q1 2019, filed 15 May 2019.