American Coastal Insurance Corporation (ACIC) Ownership
ACIC ownership summary
as of October 18, 2026- Institutions
- 35.3% of shares outstanding
- Insiders
- 50.64% of shares outstanding
- Shares outstanding
- 47.3M
- Float
- 22.8M shares available to trade
- Short interest
- 9.05% 2.1M shares short
- Days to cover
- 7.91 short interest up 15.4% vs prior month
- Institutions 35.34%
- Insiders 50.64%
- Other investors 14.02%
ACIC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 4.82% | 2.3M | $25.3M | +451,801 (+24.7%) | June 30, 2026 |
| 2 | Tieton Capital Management, LLC | 2.65% | 1.3M | $13.9M | −18,575 (−1.5%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 2.11% | 996K | $11.1M | −1,005 (−0.1%) | June 30, 2026 |
| 4 | Dimensional Fund Advisors, Inc. | 1.89% | 894K | $9.9M | +143,664 (+19.2%) | June 30, 2026 |
| 5 | American Century Companies Inc | 1.79% | 848K | $9.4M | +128,930 (+17.9%) | June 30, 2026 |
| 6 | Punch & Associates Inv Mgmt Inc | 1.71% | 809K | $9.0M | — | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 1.43% | 677K | $7.5M | +61,209 (+9.9%) | June 30, 2026 |
| 8 | Two Sigma Investments LLC | 1.25% | 592K | $6.6M | +26,800 (+4.7%) | June 30, 2026 |
| 9 | Renaissance Technologies Corp | 1.15% | 542K | $6.0M | +3,102 (+0.6%) | June 30, 2026 |
| 10 | State Street Corp | 1.08% | 510K | $5.7M | +3,940 (+0.8%) | June 30, 2026 |
| 11 | Arrowstreet Capital Limited Partnership | 0.96% | 456K | $5.1M | +137,685 (+43.3%) | June 30, 2026 |
| 12 | Bridgeway Capital Management, LLC | 0.64% | 304K | $3.4M | +15,791 (+5.5%) | June 30, 2026 |
| 13 | SEI Investments Co | 0.61% | 289K | $3.2M | −312,570 (−52.0%) | June 30, 2026 |
| 14 | Empowered Funds, LLC | 0.57% | 270K | $3.0M | −39,123 (−12.7%) | June 30, 2026 |
| 15 | AQR Capital Management LLC | 0.53% | 252K | $2.8M | +36,498 (+16.9%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 0.51% | 239K | $2.7M | −32,406 (−11.9%) | June 30, 2026 |
| 17 | Empyrean Capital Partners, LP | 0.49% | 231K | $2.6M | −896,110 (−79.5%) | June 30, 2026 |
| 18 | Northern Trust Corp | 0.42% | 200K | $2.2M | +6,221 (+3.2%) | June 30, 2026 |
| 19 | Crews Bank & Trust | 0.40% | 189K | $2.1M | — | June 30, 2026 |
| 20 | The Goldman Sachs Group Inc | 0.40% | 188K | $2.1M | +15,997 (+9.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 1.0M shares and 6 cut 1.3M.
ACIC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Russell 2000 ETF | 1.79% | 848K | $9.4M | −9,792 (−1.1%) | September 30, 2026 |
| 2 | Avantis US Small Cap Value ETF | 1.78% | 843K | $9.4M | +984 (+0.1%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 1.46% | 689K | $7.6M | — | August 31, 2026 |
| 4 | iShares Russell 2000 Value ETF | 0.62% | 294K | $3.3M | +446 (+0.2%) | September 30, 2026 |
| 5 | Fidelity Small Cap Index | 0.57% | 269K | $3.0M | −332 (−0.1%) | July 31, 2026 |
| 6 | EA Bridgeway Omni Small-Cap Value ETF | 0.49% | 234K | $2.6M | — | September 30, 2026 |
| 7 | Dimensional US Small Cap ETF | 0.34% | 161K | $1.8M | — | September 30, 2026 |
| 8 | Vanguard Russell 2000 ETF | 0.31% | 147K | $1.6M | +2,433 (+1.7%) | September 30, 2026 |
| 9 | DFA US Small Cap I | 0.29% | 137K | $1.5M | +1,671 (+1.2%) | August 31, 2026 |
| 10 | Quantex Funds Spectravest R | 0.28% | 130K | $1.4M | — | June 30, 2026 |
| 11 | Ballast Small/Mid Cap ETF | 0.27% | 127K | $1.4M | — | September 30, 2026 |
| 12 | Fidelity Extended Market Index | 0.26% | 124K | $1.4M | −667 (−0.5%) | August 31, 2026 |
| 13 | DFA US Micro Cap I | 0.22% | 105K | $1.2M | +1,580 (+1.5%) | August 31, 2026 |
| 14 | First Trust Dow Jones Sel MicroCap ETF | 0.22% | 105K | $1.2M | — | September 30, 2026 |
| 15 | DFA US Targeted Value I | 0.22% | 103K | $1.1M | +11,790 (+13.0%) | August 31, 2026 |
| 16 | Dimensional US Targeted Value ETF | 0.19% | 91K | $1.0M | +148 (+0.2%) | September 30, 2026 |
| 17 | iShares Micro-Cap ETF | 0.17% | 81K | $894,527 | −556 (−0.7%) | September 30, 2026 |
| 18 | Rocklinc Principled Equity ETF | 0.17% | 80K | $888,000 | +80,000 (0.0%) | March 31, 2026 |
| 19 | Bridgeway Omni Small-Cap Value N | 0.17% | 80K | $888,000 | — | June 30, 2026 |
| 20 | SIH FCP - BrightGate Focus Fdr EUR Acc | 0.15% | 72K | $799,200 | +72,000 (0.0%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ACIC insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-20 | Kern Michael Davis | Buy | $11.05 | 200 | $2,210 |
| 2026-03-18 | Kern Michael Davis | Buy | $11.24 | 400 | $4,496 |
| 2026-03-04 | Kern Michael Davis | Buy | $11.71 | 1,400 | $16,394 |
| 2025-06-26 | Kern Michael Davis | Buy | $10.45 | 1,000 | $10,450 |
| 2025-06-05 | Christopher Griffith | Sell | $10.99 | 177,084 | $1.9M |
| 2025-06-03 | Christopher Griffith | Sell | $11.78 | 10,000 | $117,800 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ACIC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ACIC
Institutional investors own 35.3% of American Coastal Insurance's shares and insiders 50.64%. The largest holder is BlackRock Inc with 4.82% of the shares (2.3M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 6 reduced their stake in the latest filings. Short interest is 9.05% of the float, or 7.91 days of average trading volume. The share count rose 138.8% since 2014.
Related: ACIC analyst forecast, ACIC key metrics, ACIC dividend history. See the ACIC stock overview for the latest quote and news.
ACIC ownership FAQ
Who owns the most American Coastal Insurance stock?
The largest shareholders of American Coastal Insurance are BlackRock Inc (4.82%), Tieton Capital Management, LLC (2.65%), Vanguard Capital Management, LLC (2.11%), Dimensional Fund Advisors, Inc. (1.89%), American Century Companies Inc (1.79%).
What percentage of American Coastal Insurance is owned by institutions?
Institutions hold 35.3% of American Coastal Insurance's shares outstanding; insiders hold 50.64%.
Which funds own American Coastal Insurance?
The largest fund holders of American Coastal Insurance are iShares Russell 2000 ETF (1.79%), Avantis US Small Cap Value ETF (1.78%), Vanguard MStar Total Stk Mkt Idx Invest (1.46%), iShares Russell 2000 Value ETF (0.62%), Fidelity Small Cap Index (0.57%).
What is American Coastal Insurance's short interest?
2.1M shares of American Coastal Insurance were sold short, 9.05% of the float; at the average daily volume it would take 7.91 days to cover.
Are insiders buying or selling American Coastal Insurance?
Of the latest 6 reported insider transactions in American Coastal Insurance (since June 3, 2025), 4 were purchases and 2 were sales.
How many shares of American Coastal Insurance are outstanding?
American Coastal Insurance has 47.3M shares outstanding, of which 22.8M are in the public float.