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Fortitude Family Office’s Arrowhead Research ARWR Stock Holding History

Fortitude Family Office’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 		$18.6K Buy
228
+160
+235% +$11.8K ﹤0.01% 549
2026
Q1 		$4.26K Buy
68
+30
+79% +$1.9K ﹤0.01% 981
2025
Q4 		$2.52K Hold
38
– – ﹤0.01% 1083
2025
Q3 		$1.31K Hold
38
– – ﹤0.01% 1430
2025
Q2 		$600 Buy
+38
New +$545 ﹤0.01% 1712

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

Fortitude Family Office's ARWR Position: Q2 2026 in Review

Fortitude Family Office increased its Arrowhead Research (ARWR) stake by 235% in Q2 2026, buying an estimated $11.8K and bringing the position to 228 shares worth $18.6K. The position accounts for ﹤0.01% of the portfolio, ranked #549.

Fortitude Family Office first reported a position in ARWR in Q2 2025 and has held it in 5 quarters since. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Fortitude Family Office held 228 shares of Arrowhead Research worth $18.6K as of Q2 2026.
  • Fortitude Family Office bought 160 Arrowhead Research shares in Q2 2026, an estimated $11.8K.
  • Arrowhead Research made up ﹤0.01% of Fortitude Family Office's portfolio in Q2 2026, its #549 holding.
  • Fortitude Family Office first reported a position in Arrowhead Research in Q2 2025 and has held it in 5 quarters since.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Fortitude Family Office's 13F filing for Q2 2026, filed 20 Jul 2026.