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Aquilo Capital Management’s Arrowhead Research ARWR Stock Holding History

Aquilo 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
2025
Q1 		– Sell
-75,000
Closed -$1.41M – 14
2024
Q4 		$1.41M Buy
+75,000
New +$1.54M 2.13% 14

Other funds holding ARWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SPC
Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Aquilo Capital Management's ARWR Position: Q2 2025 in Review

Aquilo Capital Management sold out of Arrowhead Research (ARWR) in Q2 2025, closing a stake of 550,130 shares — an estimated $7.01M sold.

Aquilo Capital Management first reported a position in ARWR in Q4 2018 and held it in 24 quarters. The position peaked at $48.2M in Q1 2022. 282 funds tracked by Wall St. Rank hold ARWR as of Q2 2025.

  • Aquilo Capital Management reported no remaining Arrowhead Research position as of Q2 2025 after selling out during the quarter.
  • Aquilo Capital Management sold 550,130 Arrowhead Research shares in Q2 2025, an estimated $7.01M.
  • Aquilo Capital Management first reported a position in Arrowhead Research in Q4 2018 and held it in 24 quarters.
  • Aquilo Capital Management's Arrowhead Research position peaked at $48.2M in Q1 2022.
  • 282 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2025.

Based on Aquilo Capital Management's 13F filing for Q2 2025.