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

Camber Capital Management’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	-2,800,000	Closed	-$208M	–	40
2018 Q4	$208M	Sell	2,800,000 -700,000	-20%	-$33.6M	9.86%	1
2018 Q3	$137M	Buy	3,500,000 +1,000,000	+40%	+$35.3M	5.84%	5
2018 Q2	$111M	Buy	2,500,000 +775,000	+45%	+$37.6M	4.28%	6
2018 Q1	$98.6M	Buy	1,725,000 +875,000	+103%	+$56.3M	4.84%	8
2017 Q4	$70.4M	Buy	850,000 +450,000	+113%	+$44.1M	3.45%	10
2017 Q3	$51.6M	Buy	+400,000	New	+$49.7M	3.27%	14

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

Camber Capital Management's TSRO Position: Q1 2019 in Review

Camber Capital Management sold out of TESARO, Inc. (TSRO) in Q1 2019, closing a stake of 2,800,000 shares — an estimated $208M sold.

Camber Capital Management first reported a position in TSRO in Q3 2017 and held it in 6 quarters. The position peaked at $208M in Q4 2018. 2 funds tracked by Wall St. Rank hold TSRO as of Q1 2019.

Camber Capital Management reported no remaining TESARO, Inc. position as of Q1 2019 after selling out during the quarter.
Camber Capital Management sold 2,800,000 TESARO, Inc. shares in Q1 2019, an estimated $208M.
Camber Capital Management first reported a position in TESARO, Inc. in Q3 2017 and held it in 6 quarters.
Camber Capital Management's TESARO, Inc. position peaked at $208M in Q4 2018.
2 funds tracked by Wall St. Rank held TESARO, Inc. as of Q1 2019.

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