Ken Fisher
ARWR icon

Ken Fisher’s Arrowhead Research ARWR Stock Holding History

Ken Fisher’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
Q1 		$69.8M Sell
1,113,568
-198,159
-15% -$12.5M 0.02% 194
2025
Q4 		$87.1M Buy
1,311,727
+257,933
+24% +$12.6M 0.03% 181
2025
Q3 		$36.3M Buy
1,053,794
+602,139
+133% +$13.2M 0.01% 260
2025
Q2 		$7.14M Sell
451,655
-31,598
-7% -$453K ﹤0.01% 437
2025
Q1 		$6.16M Buy
483,253
+340,314
+238% +$6.19M ﹤0.01% 467
2024
Q4 		$2.69M Buy
142,939
+20,679
+17% +$426K ﹤0.01% 555
2024
Q3 		$2.37M Buy
122,260
+110,516
+941% +$2.7M ﹤0.01% 559
2024
Q2 		$305K Buy
+11,744
New +$289K ﹤0.01% 876

Other funds holding ARWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

Ken Fisher's ARWR Position: Q1 2026 in Review

Ken Fisher reduced its Arrowhead Research (ARWR) stake by 15% in Q1 2026, selling an estimated $12.5M and leaving 1,113,568 shares worth $69.8M. The position accounts for 0.02% of the portfolio, ranked #194.

Ken Fisher first reported a position in ARWR in Q2 2024 and has held it in 8 quarters since. The position peaked at $87.1M in Q4 2025. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Ken Fisher held 1,113,568 shares of Arrowhead Research worth $69.8M as of Q1 2026.
  • Ken Fisher sold 198,159 Arrowhead Research shares in Q1 2026, an estimated $12.5M.
  • Arrowhead Research made up 0.02% of Ken Fisher's portfolio in Q1 2026, its #194 holding.
  • Ken Fisher first reported a position in Arrowhead Research in Q2 2024 and has held it in 8 quarters since.
  • Ken Fisher's Arrowhead Research position peaked at $87.1M in Q4 2025.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.