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Summit Partners Public Asset Management’s Arrowhead Research ARWR Stock Holding History

Summit Partners Public Asset 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
2026
Q1 		$9.4M Sell
150,000
-50,000
-25% -$3.17M 0.25% 94
2025
Q4 		$13.3M Buy
+200,000
New +$9.8M 0.28% 81

Other funds holding ARWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

Summit Partners Public Asset Management's ARWR Position: Q1 2026 in Review

Summit Partners Public Asset Management increased its Arrowhead Research (ARWR) stake by 15% in Q1 2026, buying an estimated $4.44M and bringing the position to 540,144 shares worth $33.9M. The position accounts for 0.91% of the portfolio, ranked #35.

Summit Partners Public Asset Management first reported a position in ARWR in Q4 2025 and has held it in 2 quarters since. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Summit Partners Public Asset Management held 540,144 shares of Arrowhead Research worth $33.9M as of Q1 2026.
  • Summit Partners Public Asset Management bought 70,144 Arrowhead Research shares in Q1 2026, an estimated $4.44M.
  • Arrowhead Research made up 0.91% of Summit Partners Public Asset Management's portfolio in Q1 2026, its #35 holding.
  • Summit Partners Public Asset Management first reported a position in Arrowhead Research in Q4 2025 and has held it in 2 quarters since.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.