HighTower Advisors’s Arrowhead Research ARWR Stock Holding History

HighTower Advisors’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
2023 Q3	–	Sell	-2	Closed	-$1.24K	–	3575
2023 Q2	$1.24K	Buy	+2	New	+$69	﹤0.01%	3377
2022 Q1	–	Sell	-5	Closed	-$1K	–	3410
2021 Q4	$1K	Sell	5 -495	-99%	-$34K	﹤0.01%	3254
2021 Q3	$2K	Buy	+500	New	+$32.4K	﹤0.01%	3094
2021 Q2	–	Sell	-10	Closed	-$3K	–	3157
2021 Q1	$3K	Buy	+10	New	+$776	﹤0.01%	2968

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

HighTower Advisors's ARWR Position: Q2 2026 in Review

HighTower Advisors reduced its Arrowhead Research (ARWR) stake by 4.1% in Q2 2026, selling an estimated $448K and leaving 140,394 shares worth $11.4M. The position accounts for 0.01% of the portfolio, ranked #874.

HighTower Advisors first reported a position in ARWR in Q3 2015 and has held it in 38 quarters since. 501 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

HighTower Advisors held 140,394 shares of Arrowhead Research worth $11.4M as of Q2 2026.
HighTower Advisors sold 6,068 Arrowhead Research shares in Q2 2026, an estimated $448K.
Arrowhead Research made up 0.01% of HighTower Advisors's portfolio in Q2 2026, its #874 holding.
HighTower Advisors first reported a position in Arrowhead Research in Q3 2015 and has held it in 38 quarters since.
501 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on HighTower Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.