Jane Street
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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
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jane Street's ACGL Position: Q1 2026 in Review

Jane Street reduced its Arch Capital (ACGL) stake by 57% in Q1 2026, selling an estimated $30.3M and leaving 236,115 shares worth $22.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1669.

Jane Street first reported a position in ACGL in Q2 2013 and has held it in 40 quarters since. The position peaked at $58.9M in Q3 2021. 910 funds tracked by Wall St. Rank hold ACGL as of Q1 2026.

  • Jane Street held 236,115 shares of Arch Capital worth $22.7M as of Q1 2026.
  • Jane Street sold 316,964 Arch Capital shares in Q1 2026, an estimated $30.3M.
  • Arch Capital made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1669 holding.
  • Jane Street first reported a position in Arch Capital in Q2 2013 and has held it in 40 quarters since.
  • Jane Street's Arch Capital position peaked at $58.9M in Q3 2021.
  • 910 funds tracked by Wall St. Rank held Arch Capital as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.