BB
TSRO

BB Biotech’s TESARO, Inc. TSRO Stock Holding History

BB Biotech’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
2018
Q4 		– Sell
-2,931,802
Closed -$114M – 36
2018
Q3 		$114M Buy
2,931,802
+505,000
+21% +$17.8M 3.03% 14
2018
Q2 		$108M Buy
2,426,802
+797,059
+49% +$38.7M 3.12% 14
2018
Q1 		$93.1M Buy
1,629,743
+583,550
+56% +$37.5M 2.57% 15
2017
Q4 		$86.7M Buy
1,046,193
+50,000
+5% +$4.9M 2.44% 15
2017
Q3 		$129M Buy
996,193
+118,203
+13% +$14.7M 3.56% 12
2017
Q2 		$123M Buy
877,990
+53,408
+6% +$7.73M 3.75% 10
2017
Q1 		$127M Sell
824,582
-150,000
-15% -$24.4M 4.15% 10
2016
Q4 		$131M Hold
974,582
– – 4.85% 7
2016
Q3 		$97.7M Sell
974,582
-180,000
-16% -$16.8M 3.43% 11
2016
Q2 		$97M Sell
1,154,582
-75,000
-6% -$3.34M 3.83% 11
2016
Q1 		$54.1M Hold
1,229,582
– – 2.15% 14
2015
Q4 		$64.3M Buy
1,229,582
+75,000
+6% +$3.58M 1.81% 15
2015
Q3 		$46.3M Buy
1,154,582
+250,000
+28% +$13.7M 1.47% 19
2015
Q2 		$53.2M Buy
904,582
+50,000
+6% +$2.87M 1.44% 22
2015
Q1 		$49.1M Buy
854,582
+150,000
+21% +$7.07M 1.46% 20
2014
Q4 		$26.2M Hold
704,582
– – 0.85% 23
2014
Q3 		$19M Hold
704,582
– – 0.77% 22
2014
Q2 		$21.9M Buy
704,582
+100,000
+17% +$2.67M 1.04% 20
2014
Q1 		$17.8M Buy
604,582
+133,300
+28% +$4.2M 0.92% 18
2013
Q4 		$13.3M Buy
471,282
+97,982
+26% +$3.63M 0.71% 19
2013
Q3 		$14.5M Buy
+373,300
New +$13.7M 0.79% 22

Other funds holding TSRO

NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BCM
Beryl Capital Management Redondo Beach, California $110M AUM 317.92% 1-Year Est. Return
CCM
Camber Capital Management Boston, Massachusetts $1.07B AUM 8.19% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BB Biotech's TSRO Position: Q4 2018 in Review

BB Biotech sold out of TESARO, Inc. (TSRO) in Q4 2018, closing a stake of 2,931,802 shares — an estimated $114M sold.

BB Biotech first reported a position in TSRO in Q3 2013 and held it in 21 quarters. The position peaked at $131M in Q4 2016. 221 funds tracked by Wall St. Rank hold TSRO as of Q4 2018.

  • BB Biotech reported no remaining TESARO, Inc. position as of Q4 2018 after selling out during the quarter.
  • BB Biotech sold 2,931,802 TESARO, Inc. shares in Q4 2018, an estimated $114M.
  • BB Biotech first reported a position in TESARO, Inc. in Q3 2013 and held it in 21 quarters.
  • BB Biotech's TESARO, Inc. position peaked at $131M in Q4 2016.
  • 221 funds tracked by Wall St. Rank held TESARO, Inc. as of Q4 2018.

Based on BB Biotech's 13F filing for Q4 2018, filed 12 Feb 2019.