1832 Asset Management’s Arrowhead Research ARWR Stock Holding History

1832 Asset 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	$43.9M	Buy	+538,500	New	+$39.8M	0.02%	260
2020 Q1	–	Sell	-543,940	Closed	-$34.4M	–	676
2019 Q4	$34.4M	Sell	543,940 -69,160	-11%	-$3.43M	0.1%	153
2019 Q3	$16.2M	Buy	613,100 +543,900	+786%	+$16.1M	0.05%	197
2019 Q2	$2M	Buy	+69,200	New	+$1.52M	0.01%	418

Other funds holding ARWR

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Norges Bank Oslo, Norway $1T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

1832 Asset Management's ARWR Position: Q2 2026 in Review

1832 Asset Management opened a new position in Arrowhead Research (ARWR) in Q2 2026: 538,500 shares worth $43.9M. The stake represents 0.02% of the portfolio and ranks #260 among its holdings. This is a return to the name: 1832 Asset Management previously reported a position in ARWR as recently as Q4 2019.

1832 Asset Management first reported a position in ARWR in Q2 2019 and has held it in 4 quarters since. 501 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

1832 Asset Management held 538,500 shares of Arrowhead Research worth $43.9M as of Q2 2026.
Arrowhead Research was a new 1832 Asset Management position in Q2 2026.
Arrowhead Research made up 0.02% of 1832 Asset Management's portfolio in Q2 2026, its #260 holding.
1832 Asset Management first reported a position in Arrowhead Research in Q2 2019 and has held it in 4 quarters since.
501 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on 1832 Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.