AMERICAN COASTAL INSURANCE Corp (ACIC) Institutional Ownership

Ownership Summary

AMERICAN COASTAL INSURANCE Corp (NASDAQ:ACIC) is held by 132 institutional investors per 13F filings through December 2025.

• Their combined ownership stood at 31.8% of outstanding shares in December 2025, down from 32.0% in September 2025.
• Their total shares held in ACIC increased 2.18% quarter over quarter, and separately, investors owning American Coastal Insurance increased 18.92% from a year ago.
• Activity in ACIC broke down as 70 buyers, 38 sellers, and 24 unchanged among 132 total holders.
• Altogether, these fund groups held 15.88Mn shares in ACIC by December 2025, up by 338.83K shares quarter on quarter, and up 2.68Mn shares year over year.
• BlackRock, Inc. leads ownership in ACIC with 1.83Mn shares as of December 31, 2025, equal to 3.66% of outstanding shares.
• The biggest buyers of American Coastal Insurance for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (996.64K), TWO SIGMA INVESTMENTS, LP (368.47K), Sei Investments Co (326.34K), VANGUARD PORTFOLIO MANAGEMENT LLC (271.79K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (258.34K).
• The largest sellers of American Coastal Insurance for the quarter ending December 2025 were DG Capital Management, LLC (607.44K), Jpmorgan Chase & Co (97.59K), MILLENNIUM MANAGEMENT LLC (73.32K), GSA CAPITAL PARTNERS LLP (69.38K), Ancora Advisors LLC (56.0K).
• American Coastal Insurance's 10 largest shareholders as of December 2025 include BlackRock, Inc. (1.83Mn), Tieton Capital Management, LLC (1.27Mn), Empyrean Capital Partners, LP (1.13Mn), VANGUARD CAPITAL MANAGEMENT LLC (996.64K), PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. (808.7K), DIMENSIONAL FUND ADVISORS LP (750.11K), AMERICAN CENTURY COMPANIES INC (719.44K), GEODE CAPITAL MANAGEMENT, LLC (615.86K), Sei Investments Co (601.48K), TWO SIGMA INVESTMENTS, LP (564.75K) per Business Quant data.