iSAM Funds (UK)’s Arrowhead Research ARWR Stock Holding History

iSAM Funds (UK)’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	-834	Closed	-$28.8K	–	337
2025 Q3	$28.8K	Buy	+834	New	+$18.3K	0.01%	576

Other funds holding ARWR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

SPC

Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

FAM

Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

iSAM Funds (UK)'s ARWR Position: Q4 2025 in Review

iSAM Funds (UK) sold out of Arrowhead Research (ARWR) in Q4 2025, closing a stake of 834 shares — an estimated $28.8K sold.

iSAM Funds (UK) first reported a position in ARWR in Q3 2025 and held it in 1 quarter. The position peaked at $28.8K in Q3 2025. 401 funds tracked by Wall St. Rank hold ARWR as of Q4 2025.

iSAM Funds (UK) reported no remaining Arrowhead Research position as of Q4 2025 after selling out during the quarter.
iSAM Funds (UK) sold 834 Arrowhead Research shares in Q4 2025, an estimated $28.8K.
iSAM Funds (UK) first reported a position in Arrowhead Research in Q3 2025 and held it in 1 quarter.
iSAM Funds (UK)'s Arrowhead Research position peaked at $28.8K in Q3 2025.
401 funds tracked by Wall St. Rank held Arrowhead Research as of Q4 2025.

Based on iSAM Funds (UK)'s 13F filing for Q4 2025, filed 17 Feb 2026.