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American Coastal Insurance Corp

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

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.

13F holders, Q4 2025

Institutional positions in American Coastal Insurance Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
137
+13 vs. Q3 2025
Shares held
15.4M
+136.6K (+0.9%) vs. Q3 2025
Total value
$194.7M
+$20.5M (+11.8%) vs. Q3 2025
New holders
24
49 more added
Sold out
11
34 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACIC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 137 institutions
Q1 2021: 88 institutionsQ2 2021: 90 institutionsQ3 2021: 84 institutionsQ4 2021: 90 institutionsQ1 2022: 85 institutionsQ2 2022: 64 institutionsQ3 2022: 46 institutionsQ4 2022: 40 institutionsQ1 2023: 36 institutionsQ2 2023: 48 institutionsQ3 2023: 67 institutionsQ4 2023: 74 institutionsQ1 2024: 93 institutionsQ2 2024: 106 institutionsQ3 2024: 106 institutionsQ4 2024: 110 institutionsQ1 2025: 121 institutionsQ2 2025: 124 institutionsQ3 2025: 128 institutionsQ4 2025: 137 institutionsQ1 2026: 150 institutionsQ2 2026: 135 institutions
Value heldQ4 2025: $194.7M
Q1 2021: $100.4MQ2 2021: $77.7MQ3 2021: $37.9MQ4 2021: $48.8MQ1 2022: $36.9MQ2 2022: $13.2MQ3 2022: $4.47MQ4 2022: $5.38MQ1 2023: $12.9MQ2 2023: $29.8MQ3 2023: $66.2MQ4 2023: $91.2MQ1 2024: $98.2MQ2 2024: $109.1MQ3 2024: $123.3MQ4 2024: $173.6MQ1 2025: $148.6MQ2 2025: $165.8MQ3 2025: $175.1MQ4 2025: $194.7MQ1 2026: $193.2MQ2 2026: $175.0M
Institutions holding ACIC and their total value by quarter
QuarterHoldersValue
Q2 2026135$175.0M
Q1 2026150$193.2M
Q4 2025137$194.7M
Q3 2025128$175.1M
Q2 2025124$165.8M
Q1 2025121$148.6M
Q4 2024110$173.6M
Q3 2024106$123.3M
Q2 2024106$109.1M
Q1 202493$98.2M
Q4 202374$91.2M
Q3 202367$66.2M
Q2 202348$29.8M
Q1 202336$12.9M
Q4 202240$5.38M
Q3 202246$4.47M
Q2 202264$13.2M
Q1 202285$36.9M
Q4 202190$48.8M
Q3 202184$37.9M
Q2 202190$77.7M
Q1 202188$100.4M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding American Coastal Insurance Corp; share changes are against Q3 2025.

Institutions holding ACIC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
M Holdings Securities, Inc.83,186$1.05M0.08%+83,186New
Kennondale Capital Management LLC85,456$1.08M0.79%00.0%Unchanged
Gsa Capital Partners LLP85,658$1.08M0.09%+42,330+97.7%Added
Connor, Clark & Lunn Investment Management Ltd.85,845$1.08M0.00%+40,938+91.2%Added
Antipodes Partners Ltd88,385$1.12M0.02%+26,041+41.8%Added
Bank of New York Mellon Corp89,306$1.13M0.00%−19,814−18.2%Reduced
Goldman Sachs Group Inc93,452$1.18M0.00%+3,715+4.1%Added
Raymond James Financial Inc93,726$1.18M0.00%−116,059−55.3%Reduced
Morgan Stanley101,006$1.28M0.00%−109,771−52.1%Reduced
Mercer Global Advisors Inc106,848$1.35M0.00%−3,028−2.8%Reduced
Brandywine Global Investment Management, LLC111,470$1.41M0.01%+13,120+13.3%Added
AQR Capital Management LLC128,652$1.62M0.00%−23,545−15.5%Reduced
JPMorgan Chase & Co142,779$1.80M0.00%−55,706−28.1%Reduced
Jacobs Levy Equity Management, Inc148,323$1.87M0.01%−5,354−3.5%Reduced
Westwood Holdings Group Inc.150,735$1.90M0.02%00.0%Unchanged
Marshall Wace, LLP165,494$2.09M0.00%+57,443+53.2%Added
Bridgeway Capital Management, LLC170,035$2.15M0.05%+59,856+54.3%Added
Tudor Investment Corp Et Al172,068$2.17M0.01%00.0%Unchanged
Militia Capital Partners, LP180,658$2.28M0.86%−10,000−5.2%Reduced
Northern Trust Corp186,052$2.35M0.00%−14,938−7.4%Reduced
Crews Bank & Trust189,075$2.39M0.34%00.0%Unchanged
Two Sigma Investments, LP196,283$2.48M0.00%+561+0.3%Added
Qube Research & Technologies Ltd199,922$2.53M0.00%+5,626+2.9%Added
Millennium Management LLC207,482$2.62M0.00%−70,236−25.3%Reduced
SEI Investments Co275,141$3.48M0.00%+275,141New
Renaissance Technologies LLC454,957$5.75M0.01%+99,900+28.1%Added
State Street Corp490,755$6.20M0.00%−5,682−1.1%Reduced
Geode Capital Management, LLC604,745$7.64M0.00%−2,279−0.4%Reduced
Dimensional Fund Advisors LP627,330$7.92M0.00%+75,408+13.7%Added
American Century Companies Inc648,337$8.19M0.00%+51,845+8.7%Added
Punch & Associates Investment Management, Inc.776,400$9.81M0.57%+52,500+7.3%Added
Empyrean Capital Partners, LP940,500$11.9M0.41%00.0%Unchanged
DG Capital Management, LLC1,072,728$13.5M10.90%+90,545+9.2%Added
Tieton Capital Management, LLC1,218,890$15.4M5.27%−5,880−0.5%Reduced
Vanguard Group Inc1,352,675$17.1M0.00%+58,130+4.5%Added
BlackRock, Inc.1,866,514$23.6M0.00%+70,755+3.9%Added
Cornerstone Wealth Group, LLC2,887––+10.0%Added
D. E. Shaw & Co., Inc.0$00.00%−119,710−100.0%Sold out
Empowered Funds, LLC0$00.00%−85,179−100.0%Sold out
Jane Street Group, LLC0$00.00%−77,238−100.0%Sold out
Jump Financial, LLC0$00.00%−60,700−100.0%Sold out
FJ Capital Management LLC0$00.00%−22,756−100.0%Sold out
Diametric Capital, LP0$00.00%−15,131−100.0%Sold out
State of Tennessee, Treasury Department0$00.00%−15,000−100.0%Sold out
Intech Investment Management LLC0$00.00%−11,122−100.0%Sold out
Aigen Investment Management, LP0$00.00%−10,490−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−3,190−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−771−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed
AXA Investment Managers S.A.––––Not filed
Point72 (DIFC) Ltd––––Not filed
Point72 Europe (London) LLP––––Not filed