Magnetar Financial’s TESARO, Inc. TSRO Stock Holding History

Magnetar Financial’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	-1,379,798	Closed	-$102M	–	502
2018 Q4	$102M	Buy	+1,379,798	New	+$66.3M	2.51%	14
2017 Q2	–	Sell	-5,951	Closed	-$916K	–	1026
2017 Q1	$916K	Buy	+5,951	New	+$969K	0.01%	325

Other funds holding TSRO

TAL

TIG Advisors LLC New York $2.26B AUM 81.38% 1-Year Est. Return

IUHSA

Itau Unibanco Holding S.A. Sao Paulo, Brazil $5.27B AUM 41.17% 1-Year Est. Return

Magnetar Financial's TSRO Position: Q1 2019 in Review

Magnetar Financial sold out of TESARO, Inc. (TSRO) in Q1 2019, closing a stake of 1,379,798 shares — an estimated $102M sold.

Magnetar Financial first reported a position in TSRO in Q1 2017 and held it in 2 quarters. The position peaked at $102M in Q4 2018. 2 funds tracked by Wall St. Rank hold TSRO as of Q1 2019.

Magnetar Financial reported no remaining TESARO, Inc. position as of Q1 2019 after selling out during the quarter.
Magnetar Financial sold 1,379,798 TESARO, Inc. shares in Q1 2019, an estimated $102M.
Magnetar Financial first reported a position in TESARO, Inc. in Q1 2017 and held it in 2 quarters.
Magnetar Financial's TESARO, Inc. position peaked at $102M in Q4 2018.
2 funds tracked by Wall St. Rank held TESARO, Inc. as of Q1 2019.

Based on Magnetar Financial's 13F filing for Q1 2019, filed 15 May 2019.