Who owns AMERICAN COASTAL INSURANCE Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ACIC from SEC Form 13F filings across 135 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 135 institutions disclosed 15.8M shares of AMERICAN COASTAL INSURANCE Corp worth $175.5M — about 32.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
135
13F holders
$175.5M
value, 2026 filers
32.8%
of shares outstanding (15.8M sh)
18
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ACIC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.3M | $25.3M | 0.0% | 4.7% | +24.7% |
| 2 | Tieton Capital Management, LLC | 1.3M | $13.9M | 4.0% | 2.6% | -1.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 995,636 | $11.1M | 0.0% | 2.1% | -0.1% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 893,772 | $9.9M | 0.0% | 1.9% | +19.2% |
| 5 | AMERICAN CENTURY COMPANIES INC | 848,367 | $9.4M | 0.0% | 1.8% | +17.9% |
| 6 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 808,705 | $9.0M | 0.4% | 1.7% | 0.0% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 677,070 | $7.5M | 0.0% | 1.4% | +9.9% |
| 8 | TWO SIGMA INVESTMENTS, LP | 591,554 | $6.6M | 0.0% | 1.2% | +4.7% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 542,359 | $6.0M | 0.0% | 1.1% | +0.6% |
| 10 | STATE STREET CORP | 509,767 | $5.7M | 0.0% | 1.1% | +0.8% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 455,576 | $5.1M | 0.0% | 0.9% | +43.3% |
| 12 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 304,042 | $3.4M | 0.1% | 0.6% | +5.5% |
| 13 | SEI INVESTMENTS CO | 288,911 | $3.2M | 0.0% | 0.6% | -52.0% |
| 14 | Empowered Funds, LLC | 269,533 | $3.0M | 0.0% | 0.6% | -12.7% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 252,090 | $2.8M | 0.0% | 0.5% | +16.9% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 239,381 | $2.7M | 0.0% | 0.5% | -11.9% |
| 17 | Empyrean Capital Partners, LP | 230,877 | $2.6M | 0.1% | 0.5% | -79.5% |
| 18 | NORTHERN TRUST CORP | 199,643 | $2.2M | 0.0% | 0.4% | +3.2% |
| 19 | Crews Bank & Trust | 189,075 | $2.1M | 0.3% | 0.4% | 0.0% |
| 20 | GOLDMAN SACHS GROUP INC | 187,793 | $2.1M | 0.0% | 0.4% | +9.3% |
| 21 | TUDOR INVESTMENT CORP ET AL | 186,408 | $2.1M | 0.0% | 0.4% | -13.8% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 162,816 | $1.8M | 0.0% | 0.3% | +0.4% |
| 23 | WESTWOOD HOLDINGS GROUP INC | 148,735 | $1.7M | 0.0% | 0.3% | 0.0% |
| 24 | Kennondale Capital Management LLC | 146,782 | $1.6M | 1.1% | 0.3% | 0.0% |
| 25 | MERCER GLOBAL ADVISORS INC /ADV | 134,453 | $1.5M | 0.0% | 0.3% | +21.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.