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Fox Run Management’s Arrowhead Research ARWR Stock Holding History

Fox Run 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
Q2 		$399K Buy
+4,890
New +$361K 0.07% 568
2025
Q2 		– Sell
-55,404
Closed -$706K – 852
2025
Q1 		$706K Buy
55,404
+3,062
+6% +$55.7K 0.11% 330
2024
Q4 		$984K Sell
52,342
-3,684
-7% -$75.9K 0.18% 162
2024
Q3 		$1.09M Buy
56,026
+11,037
+25% +$269K 0.24% 97
2024
Q2 		$1.17M Buy
44,989
+16,891
+60% +$415K 0.22% 138
2024
Q1 		$804K Buy
+28,098
New +$899K 0.17% 208
2023
Q4 		– Sell
-11,780
Closed -$317K – 720
2023
Q3 		$317K Buy
11,780
+2,988
+34% +$91.5K 0.09% 421
2023
Q2 		$314K Buy
+8,792
New +$303K 0.09% 435
2022
Q1 		– Sell
-3,330
Closed -$221K – 492
2021
Q4 		$221K Buy
+3,330
New +$229K 0.13% 333

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

Fox Run Management's ARWR Position: Q2 2026 in Review

Fox Run Management opened a new position in Arrowhead Research (ARWR) in Q2 2026: 4,890 shares worth $399K. The stake represents 0.07% of the portfolio and ranks #568 among its holdings. This is a return to the name: Fox Run Management previously reported a position in ARWR as recently as Q1 2025.

Fox Run Management first reported a position in ARWR in Q4 2021 and has held it in 9 quarters since. The position peaked at $1.17M in Q2 2024. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Fox Run Management held 4,890 shares of Arrowhead Research worth $399K as of Q2 2026.
  • Arrowhead Research was a new Fox Run Management position in Q2 2026.
  • Arrowhead Research made up 0.07% of Fox Run Management's portfolio in Q2 2026, its #568 holding.
  • Fox Run Management first reported a position in Arrowhead Research in Q4 2021 and has held it in 9 quarters since.
  • Fox Run Management's Arrowhead Research position peaked at $1.17M in Q2 2024.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Fox Run Management's 13F filing for Q2 2026, filed 4 Aug 2026.