American Coastal Insurance Corp

ACIC

Exchange: Nasdaq
Industry: Fire, Marine & Casualty Insurance
SEC CIK: 0001401521

SEC filings (opens in a new tab)

In the last 90 days, American Coastal Insurance Corp insiders filed 1 open-market purchase and 2 sales; 135 institutions reported holding it in 13F filings for Q2 2026, worth $175.0M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding American Coastal Insurance Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of ACIC: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	137	3	150	+16
Shares	15.4M	1.64M	17.2M	+3.40M (+24.6%)
Value	$194.7M	$20.8M	$193.2M	+$19.3M (+11.1%)

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held American Coastal Insurance Corp at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to ACIC in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	996,641	$11.2M	0.00%
Empowered Funds, LLC	308,656	$3.47M	0.02%
Vanguard Portfolio Management LLC	271,787	$3.06M	0.00%
Militia Capital Management LLC	200,658	$2.26M	0.51%
Vanguard Fiduciary Trust Co	162,200	$1.82M	0.00%
Jane Street Group, LLC	127,078	$1.43M	0.00%
Franklin Resources Inc	109,070	$1.23M	0.00%
Range Financial Group LLC	93,380	$1.05M	0.35%
Wedge Capital Management L L P	83,776	$942.5K	0.02%
Pacific Ridge Capital Partners, LLC	56,527	$635.9K	0.14%
Susquehanna International Group, LLP	48,419	$544.7K	0.00%
Schonfeld Strategic Advisors LLC	40,135	$451.5K	0.00%
Mangrove Partners	32,863	$369.7K	0.03%
CIBC World Markets Inc.	31,926	$359.2K	0.00%
Campbell & CO Investment Adviser LLC	27,459	$308.9K	0.02%
Ritholtz Wealth Management	24,842	$279.5K	0.00%
Quantinno Capital Management LP	23,931	$269.2K	0.00%
Fifth Third Bancorp	23,670	$266.3K	0.00%
Balyasny Asset Management LLC	17,448	$196.3K	0.00%
HRT Financial LP	14,069	$158.0K	0.00%
Aigen Investment Management, LP	13,505	$151.9K	0.04%
Vident Advisory, LLC	11,744	$132.1K	0.00%
Zacks Investment Management	10,590	$119.1K	0.00%
Vanguard Global Advisers, LLC	9,455	$106.4K	0.00%
Group One Trading, L.P.	1,733	$19.5K	0.00%
UBS Asset Management Americas Inc	918	$10.3K	0.00%
Los Angeles Capital Management LLC	568	$6.39K	0.00%
MAI Capital Management	191	$2.15K	0.00%
Versant Capital Management, Inc	152	$1.71K	0.00%
Kilter Group LLC	138	$1.55K	0.00%
Signaturefd, LLC	114	$1.28K	0.00%
SRS Capital Advisors, Inc.	98	$1.10K	0.00%
Quadrant Capital Group LLC	86	$968	0.00%
Root Financial Partners, LLC	70	$788	0.00%
Basecamp Wealth Advisors LLC	60	$675	0.00%
Parallel Advisors, LLC	48	$540	0.00%
Jones Financial Companies LLLP	47	$523	0.00%
SJS Investment Consulting Inc.	7	$79	0.00%
Keating Financial Advisory Services, Inc.	2	$23	0.00%
Sound Income Strategies, LLC	1	$11	0.00%

Sold out (24)

Institutions that held American Coastal Insurance Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of ACIC in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Two Sigma Advisers, LP	53,700	$678.2K
Citadel Advisors LLC	52,380	$661.6K
Squarepoint Ops LLC	52,231	$659.7K
Alps Advisors Inc	41,695	$526.6K
Verition Fund Management LLC	35,568	$449.2K
Point72 Asset Management, L.P.	35,483	$448.1K
ExodusPoint Capital Management, LP	31,256	$394.8K
CI Private Wealth, LLC	30,001	$378.9K
Trexquant Investment LP	23,034	$290.9K
Quest Partners LLC	20,863	$263.5K
Caxton Associates LLP	19,891	$251.2K
Allegheny Financial Group LTD	19,166	$242.1K
Susquehanna Portfolio Strategies, LLC	16,951	$214.1K
PharVision Advisers, LLC	16,091	$203.2K
PDT Partners, LLC	13,958	$176.3K
Aquatic Capital Management LLC	7,058	$89.1K
State of Wyoming	5,633	$71.1K
Kestra Advisory Services, LLC	5,160	$65.2K
Simplex Trading, LLC	3,006	$38.0K
Quarry LP	1,086	$13.7K
Amalgamated Bank	768	$10.0K
Kemnay Advisory Services Inc.	547	$6.91K
UMA Financial Services, Inc.	93	$1.18K
Clearstead Advisors, LLC	1	$13

Not filed for Q1 2026 yet (3)

Institutions that held American Coastal Insurance Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACIC in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	1,352,675	$17.1M
Militia Capital Partners, LP	180,658	$2.28M
Brandywine Global Investment Management, LLC	111,470	$1.41M