Arch Capital Group Ltd. (ACGL) Institutional Ownership

Ownership Summary

Arch Capital Group Ltd. (NASDAQ:ACGL) showed up in the 13F filings of 903 institutional investors as of December 2025.

• These investors collectively held 86.0% of Arch Capital's outstanding shares in December 2025, down from 89.4% in September 2025.
• They decreased total shares held in ACGL by -1.36% quarter over quarter, and investors in Arch Capital increased 8.4% from a year ago.
• Of these 903 funds, 479 grew their exposure to Arch Capital, 318 cut back, and 106 maintained positions.
• Institutional investors collectively held 323.59Mn shares in Arch Capital as of December 2025, down by 4.48Mn shares quarter on quarter, and down 46.75Mn shares year over year.
• IAT REINSURANCE CO LTD. leads ownership in ACGL with 40.0K shares as of December 31, 2025, equal to 0.01% of outstanding shares.
• The biggest buyers of Arch Capital for the quarter ending December 2025 included First Command Advisory Services, Inc. (598).
• Top sellers of ACGL stock for the quarter ending December 2025 included Pnc Financial Services Group, Inc. (277), GAMMA Investing LLC (27).
• Per Business Quant, the top 4 investors in ACGL for the quarter ending December 2025 include IAT REINSURANCE CO LTD. (40.0K), Pnc Financial Services Group, Inc. (1.73K), First Command Advisory Services, Inc. (598), GAMMA Investing LLC (30).