ACIC American Coastal Insurance Corp
American Coastal Insurance Corp (ACIC) Institutional Ownership
What the institutions did with ACIC last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 2.3M | 14.5% |
| Tieton Capital Management, LLC | 1.3M | 8.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 995.6K | 6.3% |
| DIMENSIONAL FUND ADVISORS LP | 893.8K | 5.7% |
| AMERICAN CENTURY COMPANIES INC | 848.4K | 5.4% |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 808.7K | 5.1% |
| GEODE CAPITAL MANAGEMENT, LLC | 677.1K | 4.3% |
| TWO SIGMA INVESTMENTS, LP | 591.6K | 3.8% |
| RENAISSANCE TECHNOLOGIES LLC | 542.4K | 3.4% |
| STATE STREET CORP | 509.8K | 3.2% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 455.6K | 2.9% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 304.0K | 1.9% |
| SEI INVESTMENTS CO | 288.9K | 1.8% |
| Empowered Funds, LLC | 269.5K | 1.7% |
| AQR CAPITAL MANAGEMENT LLC | 252.1K | 1.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 239.4K | 1.5% |
| Empyrean Capital Partners, LP | 230.9K | 1.5% |
| NORTHERN TRUST CORP | 199.6K | 1.3% |
| Crews Bank & Trust | 189.1K | 1.2% |
| GOLDMAN SACHS GROUP INC | 187.8K | 1.2% |
| TUDOR INVESTMENT CORP ET AL | 186.4K | 1.2% |
| VANGUARD FIDUCIARY TRUST CO | 162.8K | 1.0% |
| WESTWOOD HOLDINGS GROUP INC | 148.7K | 0.9% |
| Kennondale Capital Management LLC | 146.8K | 0.9% |
| MERCER GLOBAL ADVISORS INC /ADV | 134.5K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Empyrean Capital Partners, LP | Reduced | 1.1M | 230.9K | -896.1K |
| Militia Capital Management LLC | Reduced | 602.0K | 30.7K | -571.3K |
| DG Capital Management, LLC | Sold Out | 465.3K | 0 | -465.3K |
| BlackRock, Inc. | Increased | 1.8M | 2.3M | +451.8K |
| SEI INVESTMENTS CO | Reduced | 601.5K | 288.9K | -312.6K |
| MARSHALL WACE, LLP | Sold Out | 179.4K | 0 | -179.4K |
| Qube Research & Technologies Ltd | Sold Out | 147.8K | 0 | -147.8K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 750.1K | 893.8K | +143.7K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 317.9K | 455.6K | +137.7K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | New | 0 | 133.0K | +133.0K |
| AMERICAN CENTURY COMPANIES INC | Increased | 719.4K | 848.4K | +128.9K |
| HRT FINANCIAL LP | Increased | 14.1K | 119.0K | +105.0K |
| Range Financial Group LLC | Sold Out | 93.4K | 0 | -93.4K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 134.2K | 41.1K | -93.1K |
| M Holdings Securities, Inc. | Sold Out | 83.2K | 0 | -83.2K |
| MACKENZIE FINANCIAL CORP | New | 0 | 82.8K | +82.8K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | 151.1K | 77.6K | -73.5K |
| JANE STREET GROUP, LLC | Reduced | 127.1K | 60.6K | -66.5K |
| RITHOLTZ WEALTH MANAGEMENT | Increased | 24.8K | 86.2K | +61.3K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 615.9K | 677.1K | +61.2K |
| UBS Group AG | Reduced | 93.3K | 36.7K | -56.6K |
| IHT Wealth Management, LLC | New | 0 | 54.3K | +54.3K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Sold Out | 48.4K | 0 | -48.4K |
| MORGAN STANLEY | Reduced | 116.6K | 69.2K | -47.4K |
| ANTIPODES PARTNERS Ltd | Reduced | 156.6K | 113.2K | -43.4K |
| Schonfeld Strategic Advisors LLC | Sold Out | 40.1K | 0 | -40.1K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 82.6K | 122.6K | +40.0K |
| Quantinno Capital Management LP | Increased | 23.9K | 63.3K | +39.4K |
| Empowered Funds, LLC | Reduced | 308.7K | 269.5K | -39.1K |
| MARTINGALE ASSET MANAGEMENT L P | Reduced | 63.6K | 26.8K | -36.8K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 215.6K | 252.1K | +36.5K |
| GREAT LAKES ADVISORS, LLC | New | 0 | 35.8K | +35.8K |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | Sold Out | 35.8K | 0 | -35.8K |
| Farther Finance Advisors, LLC | Reduced | 41.7K | 7.9K | -33.8K |
| Tactive Advisors, LLC | Increased | 22.2K | 55.0K | +32.8K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 271.8K | 239.4K | -32.4K |
| CIBC WORLD MARKET INC. | Sold Out | 31.9K | 0 | -31.9K |
| Arcus Capital Partners, LLC | Sold Out | 31.6K | 0 | -31.6K |
| STATE OF WISCONSIN INVESTMENT BOARD | Increased | 13.9K | 44.0K | +30.1K |
| TUDOR INVESTMENT CORP ET AL | Reduced | 216.2K | 186.4K | -29.7K |
| JPMORGAN CHASE & CO | Reduced | 45.2K | 15.6K | -29.6K |
| EntryPoint Capital, LLC | New | 0 | 28.4K | +28.4K |
| Campbell & CO Investment Adviser LLC | Sold Out | 27.5K | 0 | -27.5K |
| TWO SIGMA INVESTMENTS, LP | Increased | 564.8K | 591.6K | +26.8K |
| CITIGROUP INC | Increased | 1.7K | 28.0K | +26.3K |
| MERCER GLOBAL ADVISORS INC /ADV | Increased | 110.4K | 134.5K | +24.0K |
| Engineers Gate Manager LP | Sold Out | 22.7K | 0 | -22.7K |
| Jump Financial, LLC | New | 0 | 22.1K | +22.1K |
| RAYMOND JAMES FINANCIAL INC | Reduced | 95.2K | 74.7K | -20.6K |
| Sterling Capital Management LLC | Reduced | 20.0K | 508 | -19.5K |
| XTX Topco Ltd | Sold Out | 19.5K | 0 | -19.5K |
| DEUTSCHE BANK AG\ | Increased | 5.5K | 24.6K | +19.1K |
| Tieton Capital Management, LLC | Reduced | 1.3M | 1.3M | -18.6K |
| Pacific Ridge Capital Partners, LLC | Increased | 56.5K | 74.5K | +18.0K |
| NATIONAL BANK OF CANADA /FI/ | Sold Out | 16.6K | 0 | -16.6K |
| GSA CAPITAL PARTNERS LLP | Sold Out | 16.3K | 0 | -16.3K |
| GOLDMAN SACHS GROUP INC | Increased | 171.8K | 187.8K | +16.0K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Increased | 288.3K | 304.0K | +15.8K |
| Squarepoint Ops LLC | New | 0 | 15.6K | +15.6K |
| Aigen Investment Management, LP | Sold Out | 13.5K | 0 | -13.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.