Arch Capital Group Ltd. (ACGL) Institutional Ownership

Ownership Summary

Arch Capital Group Ltd. (NASDAQ:ACGL) has 903 institutional investors that have filed 13F reports for the period ending December 2025.

• These investors held 86.0% of outstanding shares in December 2025, down from 89.4% in September 2025.
• They decreased total shares held in Arch Capital by -1.36% from the prior quarter, while the number of investors in ACGL increased 8.4% year over year.
• Of these 903 holders, 479 added to their stakes in Arch Capital, 318 trimmed positions, and 106 made no changes.
• Combined, these investors held 323.59Mn shares in ACGL for December 2025, down by 4.48Mn shares quarter on quarter, and down 46.75Mn shares year over year.
• IAT REINSURANCE CO LTD. holds the largest position in ACGL at 40.0K shares as of December 31, 2025, or 0.01% of shares outstanding.
• 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).
• Arch Capital's 4 largest shareholders as of 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) per Business Quant data.