RSCM
PFNX

Rock Springs Capital Management’s Pfenex Inc. PFNX Stock Holding History

Rock Springs Capital Management’s Portfolio PFNX Stock Details PFNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2015
Q1 		– Sell
-328,100
Closed -$2.4M – 113
2014
Q4 		$2.4M Buy
328,100
+3,100
+1% +$23.5K 0.28% 82
2014
Q3 		$2.39M Buy
+325,000
New +$2.08M 0.37% 71

Other funds holding PFNX

DCC
Dow Chemical Company Midland, Michigan $239M AUM 13.16% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return
BA
BlackRock Advisors Wilmington, Delaware $98.8B AUM 15.8% 1-Year Est. Return
SCM
Sio Capital Management New York $697M AUM 79.73% 1-Year Est. Return
DA
DSC Advisors Chicago, Illinois $11M AUM 5.88% 1-Year Est. Return
VAM
Visium Asset Management New York $1.43B AUM 3.58% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
BG
BlackRock Group London, United Kingdom $210B AUM 15.5% 1-Year Est. Return

Rock Springs Capital Management's PFNX Position: Q1 2015 in Review

Rock Springs Capital Management sold out of Pfenex Inc. (PFNX) in Q1 2015, closing a stake of 328,100 shares — an estimated $2.4M sold.

Rock Springs Capital Management first reported a position in PFNX in Q3 2014 and held it in 2 quarters. The position peaked at $2.4M in Q4 2014. 43 funds tracked by Wall St. Rank hold PFNX as of Q1 2015.

  • Rock Springs Capital Management reported no remaining Pfenex Inc. position as of Q1 2015 after selling out during the quarter.
  • Rock Springs Capital Management sold 328,100 Pfenex Inc. shares in Q1 2015, an estimated $2.4M.
  • Rock Springs Capital Management first reported a position in Pfenex Inc. in Q3 2014 and held it in 2 quarters.
  • Rock Springs Capital Management's Pfenex Inc. position peaked at $2.4M in Q4 2014.
  • 43 funds tracked by Wall St. Rank held Pfenex Inc. as of Q1 2015.

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