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Aigen Investment Management’s Arrowhead Research ARWR Stock Holding History

Aigen Investment 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
2025
Q4 		– Sell
-7,548
Closed -$260K – 588
2025
Q3 		$260K Buy
+7,548
New +$166K 0.04% 583
2023
Q4 		– Sell
-35,140
Closed -$944K – 788
2023
Q3 		$944K Buy
35,140
+25,120
+251% +$770K 0.18% 175
2023
Q2 		$357K Buy
+10,020
New +$345K 0.05% 435
2021
Q3 		– Sell
-10,042
Closed -$832K – 466
2021
Q2 		$832K Buy
10,042
+6,622
+194% +$493K 0.15% 156
2021
Q1 		$227K Buy
+3,420
New +$265K 0.03% 496
2020
Q1 		– Sell
-25,922
Closed -$1.64M – 1256
2019
Q4 		$1.64M Buy
+25,922
New +$1.29M 0.27% 89

Other funds holding ARWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SPC
Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

Aigen Investment Management's ARWR Position: Q4 2025 in Review

Aigen Investment Management sold out of Arrowhead Research (ARWR) in Q4 2025, closing a stake of 7,548 shares — an estimated $260K sold.

Aigen Investment Management first reported a position in ARWR in Q4 2019 and held it in 6 quarters. The position peaked at $1.64M in Q4 2019. 401 funds tracked by Wall St. Rank hold ARWR as of Q4 2025.

  • Aigen Investment Management reported no remaining Arrowhead Research position as of Q4 2025 after selling out during the quarter.
  • Aigen Investment Management sold 7,548 Arrowhead Research shares in Q4 2025, an estimated $260K.
  • Aigen Investment Management first reported a position in Arrowhead Research in Q4 2019 and held it in 6 quarters.
  • Aigen Investment Management's Arrowhead Research position peaked at $1.64M in Q4 2019.
  • 401 funds tracked by Wall St. Rank held Arrowhead Research as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.