Main Street Research’s CUBIST PHARMACEUTICALS INC CBST Stock Holding History

Main Street Research’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
2015 Q1	–	Sell	-3,000	Closed	-$302K	–	139
2014 Q4	$302K	Buy	+3,000	New	+$233K	0.06%	113
2014 Q3	–	Sell	-3,000	Closed	-$209K	–	143
2014 Q2	$209K	Hold	3,000	–	–	0.05%	131
2014 Q1	$219K	Hold	3,000	–	–	0.05%	133
2013 Q4	$207K	Buy	+3,000	New	+$194K	0.05%	144

Main Street Research's CBST Position: Q1 2015 in Review

Main Street Research sold out of CUBIST PHARMACEUTICALS INC (CBST) in Q1 2015, closing a stake of 3,000 shares — an estimated $302K sold.

Main Street Research first reported a position in CBST in Q4 2013 and held it in 4 quarters. The position peaked at $302K in Q4 2014. 0 funds tracked by Wall St. Rank hold CBST as of Q1 2015.

Main Street Research reported no remaining CUBIST PHARMACEUTICALS INC position as of Q1 2015 after selling out during the quarter.
Main Street Research sold 3,000 CUBIST PHARMACEUTICALS INC shares in Q1 2015, an estimated $302K.
Main Street Research first reported a position in CUBIST PHARMACEUTICALS INC in Q4 2013 and held it in 4 quarters.
Main Street Research's CUBIST PHARMACEUTICALS INC position peaked at $302K in Q4 2014.
0 funds tracked by Wall St. Rank held CUBIST PHARMACEUTICALS INC as of Q1 2015.

Based on Main Street Research's 13F filing for Q1 2015, filed 12 May 2015.