Artisan Partners
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Artisan Partners’s Arrowhead Research ARWR Stock Holding History

Artisan Partners’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 		$25.3M Buy
+310,706
New +$23M 0.04% 232
2014
Q2 		– Sell
-657,723
Closed -$10.8M – 358
2014
Q1 		$10.8M Buy
+657,723
New +$11.6M 0.02% 307

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

Artisan Partners's ARWR Position: Q2 2026 in Review

Artisan Partners opened a new position in Arrowhead Research (ARWR) in Q2 2026: 310,706 shares worth $25.3M. The stake represents 0.04% of the portfolio and ranks #232 among its holdings. This is a return to the name: Artisan Partners previously reported a position in ARWR as recently as Q1 2014.

Artisan Partners first reported a position in ARWR in Q1 2014 and has held it in 2 quarters since. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Artisan Partners held 310,706 shares of Arrowhead Research worth $25.3M as of Q2 2026.
  • Arrowhead Research was a new Artisan Partners position in Q2 2026.
  • Arrowhead Research made up 0.04% of Artisan Partners's portfolio in Q2 2026, its #232 holding.
  • Artisan Partners first reported a position in Arrowhead Research in Q1 2014 and has held it in 2 quarters since.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Artisan Partners's 13F filing for Q2 2026, filed 13 Aug 2026.