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PSP Research’s Arrowhead Research ARWR Stock Holding History

PSP Research’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
Q2 		$212K Buy
+2,600
New +$192K 0.11% 67
2026
Q1 		– Sell
-6,689
Closed -$444K – 82
2025
Q4 		$444K Buy
+6,689
New +$328K 0.39% 83

Other funds holding ARWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
FAM
Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

PSP Research's ARWR Position: Q2 2026 in Review

PSP Research opened a new position in Arrowhead Research (ARWR) in Q2 2026: 2,600 shares worth $212K. The stake represents 0.11% of the portfolio and ranks #67 among its holdings. This is a return to the name: PSP Research previously reported a position in ARWR as recently as Q4 2025.

PSP Research first reported a position in ARWR in Q4 2025 and has held it in 2 quarters since. The position peaked at $444K in Q4 2025. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • PSP Research held 2,600 shares of Arrowhead Research worth $212K as of Q2 2026.
  • Arrowhead Research was a new PSP Research position in Q2 2026.
  • Arrowhead Research made up 0.11% of PSP Research's portfolio in Q2 2026, its #67 holding.
  • PSP Research first reported a position in Arrowhead Research in Q4 2025 and has held it in 2 quarters since.
  • PSP Research's Arrowhead Research position peaked at $444K in Q4 2025.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on PSP Research's 13F filing for Q2 2026, filed 9 Jul 2026.