PEAK6’s Arrowhead Research ARWR Stock Holding History

PEAK6’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	$204K	Buy	+2,500	New	+$185K	﹤0.01%	2263
2025 Q1	–	Sell	-100	Closed	-$1.88K	–	2983
2024 Q4	$1.88K	Buy	+100	New	+$2.06K	﹤0.01%	2981

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 $3.38T AUM 44.17% 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

PEAK6's ARWR Position: Q2 2026 in Review

PEAK6 opened a new position in Arrowhead Research (ARWR) in Q2 2026: 2,500 shares worth $204K. The stake represents ﹤0.01% of the portfolio and ranks #2263 among its holdings. This is a return to the name: PEAK6 previously reported a position in ARWR as recently as Q4 2024.

PEAK6 first reported a position in ARWR in Q4 2024 and has held it in 2 quarters since. 502 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

PEAK6 held 2,500 shares of Arrowhead Research worth $204K as of Q2 2026.
Arrowhead Research was a new PEAK6 position in Q2 2026.
Arrowhead Research made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2263 holding.
PEAK6 first reported a position in Arrowhead Research in Q4 2024 and has held it in 2 quarters since.
502 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.