PEAK6’s Arch Capital ACGL Stock Holding History

PEAK6’s Portfolio ACGL Stock Details ACGL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.94M	Buy	+20,000	New	+$1.89M	﹤0.01%	1345
2025 Q1	–	Sell	-5,300	Closed	-$489K	–	2923
2024 Q4	$489K	Buy	+5,300	New	+$535K	﹤0.01%	2168

Other funds holding ACGL

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

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

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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

PEAK6's ACGL Position: Q2 2026 in Review

PEAK6 opened a new position in Arch Capital (ACGL) in Q2 2026: 27,386 shares worth $2.66M. The stake represents 0.01% of the portfolio and ranks #1159 among its holdings. This is a return to the name: PEAK6 previously reported a position in ACGL as recently as Q1 2025.

PEAK6 first reported a position in ACGL in Q1 2025 and has held it in 2 quarters since. 908 funds tracked by Wall St. Rank hold ACGL as of Q2 2026.

PEAK6 held 27,386 shares of Arch Capital worth $2.66M as of Q2 2026.
Arch Capital was a new PEAK6 position in Q2 2026.
Arch Capital made up 0.01% of PEAK6's portfolio in Q2 2026, its #1159 holding.
PEAK6 first reported a position in Arch Capital in Q1 2025 and has held it in 2 quarters since.
908 funds tracked by Wall St. Rank held Arch Capital as of Q2 2026.

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