Jane Street’s Arch Capital ACGL Stock Holding History

Jane Street’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	$505K	Sell	5,200 -300	-5%	-$28.3K	﹤0.01%	7995
2026 Q1	$528K	Sell	5,500 -2,000	-27%	-$191K	﹤0.01%	7923
2025 Q4	$719K	Buy	7,500 +5,000	+200%	+$457K	﹤0.01%	6891
2025 Q3	$227K	Sell	2,500 -8,800	-78%	-$789K	﹤0.01%	9427
2025 Q2	$1.03M	Buy	+11,300	New	+$1.04M	﹤0.01%	5561
2024 Q2	–	Sell	-6,300	Closed	-$582K	–	9239
2024 Q1	$582K	Buy	6,300 +400	+7%	+$33.8K	﹤0.01%	6390
2023 Q4	$438K	Sell	5,900 -9,100	-61%	-$744K	﹤0.01%	6987
2023 Q3	$1.2M	Buy	15,000 +9,900	+194%	+$770K	﹤0.01%	4924
2023 Q2	$382K	Sell	5,100 -6,200	-55%	-$448K	﹤0.01%	6736
2023 Q1	$767K	Buy	11,300 +4,900	+77%	+$322K	﹤0.01%	5538
2022 Q4	$402K	Buy	+6,400	New	+$357K	﹤0.01%	6519
2022 Q3	–	Sell	-10,100	Closed	-$459K	–	9602
2022 Q2	$459K	Buy	10,100 +3,200	+46%	+$148K	﹤0.01%	6897
2022 Q1	$334K	Sell	6,900 -17,000	-71%	-$790K	﹤0.01%	8225
2021 Q4	$1.06M	Buy	23,900 +10,400	+77%	+$441K	﹤0.01%	5775
2021 Q3	$515K	Buy	+13,500	New	+$535K	﹤0.01%	7230
2021 Q2	–	Sell	-12,400	Closed	-$476K	–	9683
2021 Q1	$476K	Sell	12,400 -2,200	-15%	-$78.3K	﹤0.01%	6885
2020 Q4	$527K	Buy	+14,600	New	+$479K	﹤0.01%	5655

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

Jane Street's ACGL Position: Q2 2026 in Review

Jane Street increased its Arch Capital (ACGL) stake by 295% in Q2 2026, buying an estimated $65.7M and bringing the position to 932,724 shares worth $90.5M. The position accounts for 0.01% of the portfolio, ranked #1000.

Jane Street first reported a position in ACGL in Q2 2013 and has held it in 41 quarters since. 910 funds tracked by Wall St. Rank hold ACGL as of Q2 2026.

Jane Street held 932,724 shares of Arch Capital worth $90.5M as of Q2 2026.
Jane Street bought 696,609 Arch Capital shares in Q2 2026, an estimated $65.7M.
Arch Capital made up 0.01% of Jane Street's portfolio in Q2 2026, its #1000 holding.
Jane Street first reported a position in Arch Capital in Q2 2013 and has held it in 41 quarters since.
910 funds tracked by Wall St. Rank held Arch Capital as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.