Rock Springs Capital Management’s WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS WX Stock Holding History

Rock Springs Capital Management’s Portfolio WX Stock Details WX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-175,000	Closed	-$7.56M	–	135
2015 Q3	$7.56M	Buy	175,000 +7,000	+4%	+$295K	0.61%	59
2015 Q2	$7.1M	Hold	168,000	–	–	0.52%	73
2015 Q1	$6.51M	Buy	168,000 +60,500	+56%	+$2.33M	0.61%	56
2014 Q4	$3.62M	Buy	107,500 +11,000	+11%	+$389K	0.42%	73
2014 Q3	$3.38M	Hold	96,500	–	–	0.52%	61
2014 Q2	$3.17M	Buy	96,500 +44,000	+84%	+$1.51M	0.57%	62
2014 Q1	$1.94M	Buy	52,500 +19,000	+57%	+$697K	0.45%	63
2013 Q4	$1.29M	Buy	+33,500	New	+$1.06M	0.46%	54

Other funds holding WX

Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return

CCS

Crosspoint Capital Strategies Orinda, California $50.4M AUM 15.37% 1-Year Est. Return

Rock Springs Capital Management's WX Position: Q4 2015 in Review

Rock Springs Capital Management sold out of WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS (WX) in Q4 2015, closing a stake of 175,000 shares — an estimated $7.56M sold.

Rock Springs Capital Management first reported a position in WX in Q4 2013 and held it in 8 quarters. The position peaked at $7.56M in Q3 2015. 2 funds tracked by Wall St. Rank hold WX as of Q4 2015.

Rock Springs Capital Management reported no remaining WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS position as of Q4 2015 after selling out during the quarter.
Rock Springs Capital Management sold 175,000 WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS shares in Q4 2015, an estimated $7.56M.
Rock Springs Capital Management first reported a position in WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS in Q4 2013 and held it in 8 quarters.
Rock Springs Capital Management's WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS position peaked at $7.56M in Q3 2015.
2 funds tracked by Wall St. Rank held WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS as of Q4 2015.

Based on Rock Springs Capital Management's 13F filing for Q4 2015, filed 16 Feb 2016.