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ACIC · AMERICAN COASTAL INSURANCE Corp

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$9.18 -0.03 (-0.33%) At close · Aug 21
Market Cap
$444.90M
Shares
48.46M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 135
Total Value: $174,995,276
Total Shares: 15,765,256

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 135 13F filers · Δ vs Mar 31, 2026
Top Holder
14.5%
Sep 2023 → Jun 2026 · range 10.3% – 15.4%
+4.2 pts
Top 5
39.8%
Sep 2023 → Jun 2026 · range 33.8% – 57.2%
+6.0 pts
Top 10
59.6%
Sep 2023 → Jun 2026 · range 52.1% – 79.3%
+7.6 pts
HHI
498
Sep 2023 → Jun 2026 · range 377 – 820
Broadly held+120

Quarterly Activity

vs Mar 31, 2026
New
18
Increased
49
Decreased
38
Sold Out
34
Unchanged
30
Holder count: -16
Institutional value: -12.8%
Shares held: -12.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 135
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1401521 CUSIP 910710102 13F (30d) 116 filings 116 filers Visit website Investor relations