RSCM
ARWR icon

Rock Springs Capital Management’s Arrowhead Research ARWR Stock Holding History

Rock Springs Capital Management’s Portfolio ARWR Stock Details ARWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2014
Q4 		– Sell
-115,000
Closed -$1.7M – 96
2014
Q3 		$1.7M Hold
115,000
– – 0.26% 76
2014
Q2 		$1.65M Buy
115,000
+40,000
+53% +$524K 0.3% 73
2014
Q1 		$1.23M Buy
+75,000
New +$1.32M 0.28% 67

Other funds holding ARWR

QF
QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
O
OppenheimerFunds New York $80.4B AUM 15.1% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
BM
Bridger Management New York $128M AUM 9.54% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

Rock Springs Capital Management's ARWR Position: Q4 2014 in Review

Rock Springs Capital Management sold out of Arrowhead Research (ARWR) in Q4 2014, closing a stake of 115,000 shares — an estimated $1.7M sold.

Rock Springs Capital Management first reported a position in ARWR in Q1 2014 and held it in 3 quarters. The position peaked at $1.7M in Q3 2014. 100 funds tracked by Wall St. Rank hold ARWR as of Q4 2014.

  • Rock Springs Capital Management reported no remaining Arrowhead Research position as of Q4 2014 after selling out during the quarter.
  • Rock Springs Capital Management sold 115,000 Arrowhead Research shares in Q4 2014, an estimated $1.7M.
  • Rock Springs Capital Management first reported a position in Arrowhead Research in Q1 2014 and held it in 3 quarters.
  • Rock Springs Capital Management's Arrowhead Research position peaked at $1.7M in Q3 2014.
  • 100 funds tracked by Wall St. Rank held Arrowhead Research as of Q4 2014.

Based on Rock Springs Capital Management's 13F filing for Q4 2014, filed 17 Feb 2015.