Marshall Wace’s TESARO, Inc. TSRO Stock Holding History

Marshall Wace’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
2019 Q1	–	Sell	-119,898	Closed	-$8.9M	–	2265
2018 Q4	$8.9M	Buy	+119,898	New	+$5.76M	0.09%	277
2017 Q2	–	Sell	-21,594	Closed	-$3.33M	–	414
2017 Q1	$3.33M	Sell	21,594 -74,119	-77%	-$12.1M	0.16%	106
2016 Q4	$12.9M	Sell	95,713 -18,149	-16%	-$2.29M	0.08%	271
2016 Q3	$11.4M	Sell	113,862 -37,013	-25%	-$3.46M	0.08%	255
2016 Q2	$12.7M	Buy	+150,875	New	+$6.73M	0.11%	208

Other funds holding TSRO

TAL

TIG Advisors LLC New York $2.16B AUM 72.99% 1-Year Est. Return

IUHSA

Itau Unibanco Holding S.A. Sao Paulo, Brazil $4.31B AUM 46.57% 1-Year Est. Return

Marshall Wace's TSRO Position: Q1 2019 in Review

Marshall Wace sold out of TESARO, Inc. (TSRO) in Q1 2019, closing a stake of 119,898 shares — an estimated $8.9M sold.

Marshall Wace first reported a position in TSRO in Q2 2016 and held it in 5 quarters. The position peaked at $12.9M in Q4 2016. 2 funds tracked by Wall St. Rank hold TSRO as of Q1 2019.

Marshall Wace reported no remaining TESARO, Inc. position as of Q1 2019 after selling out during the quarter.
Marshall Wace sold 119,898 TESARO, Inc. shares in Q1 2019, an estimated $8.9M.
Marshall Wace first reported a position in TESARO, Inc. in Q2 2016 and held it in 5 quarters.
Marshall Wace's TESARO, Inc. position peaked at $12.9M in Q4 2016.
2 funds tracked by Wall St. Rank held TESARO, Inc. as of Q1 2019.

Based on Marshall Wace's 13F filing for Q1 2019, filed 14 May 2019.