Bank of America’s Arrowhead Research ARWR Stock Holding History

Bank of America’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 Q3	–	Sell	-1,500	Closed	-$23.7K	–	8302
2025 Q2	$23.7K	Hold	1,500	–	–	﹤0.01%	7016
2025 Q1	$19.1K	Buy	+1,500	New	+$27.3K	﹤0.01%	6982
2021 Q1	–	Sell	-1,900	Closed	-$146K	–	7406
2020 Q4	$146K	Hold	1,900	–	–	﹤0.01%	5787
2020 Q3	$82K	Hold	1,900	–	–	﹤0.01%	5789
2020 Q2	$82K	Sell	1,900 -4,000	-68%	-$141K	﹤0.01%	5771
2020 Q1	$170K	Hold	5,900	–	–	﹤0.01%	5185
2019 Q4	$374K	Buy	+5,900	New	+$293K	﹤0.01%	5216
2018 Q4	–	Sell	-15,500	Closed	-$297K	–	7085
2018 Q3	$297K	Buy	+15,500	New	+$254K	﹤0.01%	5264
2014 Q3	–	Sell	-10,000	Closed	-$143K	–	7985
2014 Q2	$143K	Buy	+10,000	New	+$131K	﹤0.01%	5839

Other funds holding ARWR

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

ACA

Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

FAM

Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

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

Bank of America's ARWR Position: Q1 2026 in Review

Bank of America increased its Arrowhead Research (ARWR) stake by 71% in Q1 2026, buying an estimated $28M and bringing the position to 1,064,455 shares worth $66.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1403.

Bank of America first reported a position in ARWR in Q2 2013 and has held it in 51 quarters since. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

Bank of America held 1,064,455 shares of Arrowhead Research worth $66.7M as of Q1 2026.
Bank of America bought 442,426 Arrowhead Research shares in Q1 2026, an estimated $28M.
Arrowhead Research made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #1403 holding.
Bank of America first reported a position in Arrowhead Research in Q2 2013 and has held it in 51 quarters since.
436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.