Deerfield Management’s CUBIST PHARMACEUTICALS INC CBST Stock Holding History

Deerfield Management’s Portfolio CBST Stock Details CBST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2014 Q1	–	Sell	-1,000,000	Closed	-$68.9M	–	151
2013 Q4	$68.9M	Sell	1,000,000 -500,000	-33%	-$32.4M	3.57%	4
2013 Q3	$95.3M	Hold	1,500,000	–	–	4.43%	2
2013 Q2	$72.4M	Buy	+1,500,000	New	+$73.7M	3.41%	3

Deerfield Management's CBST Position: Q1 2015 in Review

Deerfield Management sold out of CUBIST PHARMACEUTICALS INC (CBST) in Q1 2015, closing a stake of 210,200 shares — an estimated $21.2M sold.

Deerfield Management first reported a position in CBST in Q2 2013 and held it in 4 quarters. The position peaked at $35.2M in Q3 2013. 0 funds tracked by Wall St. Rank hold CBST as of Q1 2015.

Deerfield Management reported no remaining CUBIST PHARMACEUTICALS INC position as of Q1 2015 after selling out during the quarter.
Deerfield Management sold 210,200 CUBIST PHARMACEUTICALS INC shares in Q1 2015, an estimated $21.2M.
Deerfield Management first reported a position in CUBIST PHARMACEUTICALS INC in Q2 2013 and held it in 4 quarters.
Deerfield Management's CUBIST PHARMACEUTICALS INC position peaked at $35.2M in Q3 2013.
0 funds tracked by Wall St. Rank held CUBIST PHARMACEUTICALS INC as of Q1 2015.

Based on Deerfield Management's 13F filing for Q1 2015, filed 15 May 2015.