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Marex Group’s Arrowhead Research ARWR Stock Holding History

Marex Group’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 		$295K Sell
3,618
-96
-3% -$7.09K ﹤0.01% 870
2026
Q1 		$233K Sell
3,714
-973
-21% -$61.6K ﹤0.01% 858
2025
Q4 		$311K Buy
+4,687
New +$230K ﹤0.01% 700
2025
Q3 		– Sell
-36,469
Closed -$576K – 855
2025
Q2 		$576K Buy
36,469
+7,886
+28% +$113K 0.01% 360
2025
Q1 		$364K Buy
+28,583
New +$520K 0.01% 413

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

Marex Group's ARWR Position: Q2 2026 in Review

Marex Group reduced its Arrowhead Research (ARWR) stake by 2.6% in Q2 2026, selling an estimated $7.09K and leaving 3,618 shares worth $295K. The position accounts for ﹤0.01% of the portfolio, ranked #870.

Marex Group first reported a position in ARWR in Q1 2025 and has held it in 5 quarters since. The position peaked at $576K in Q2 2025. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Marex Group held 3,618 shares of Arrowhead Research worth $295K as of Q2 2026.
  • Marex Group sold 96 Arrowhead Research shares in Q2 2026, an estimated $7.09K.
  • Arrowhead Research made up ﹤0.01% of Marex Group's portfolio in Q2 2026, its #870 holding.
  • Marex Group first reported a position in Arrowhead Research in Q1 2025 and has held it in 5 quarters since.
  • Marex Group's Arrowhead Research position peaked at $576K in Q2 2025.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Marex Group's 13F filing for Q2 2026, filed 14 Aug 2026.