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Equibles

ACIC

AMERICAN COASTAL INSURANCE Corp

Company with tickers: ACIC

CIK
1401521
CUSIP
910710102
Shares Outstanding
48,464,047
13F Activity (30d)
117 filings 112 filers

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: 150
Total Value: $201,565,590
Total Shares: 17,916,948
Showing 1–100 of 155 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 150 13F filers · Δ vs Dec 31, 2025
Top Holder
10.2%
Jun 2023 → Mar 2026 · range 10.2% – 32.8%
−1.8 pts
Top 5
33.7%
Jun 2023 → Mar 2026 · range 33.7% – 72.5%
−8.1 pts
Top 10
51.8%
Jun 2023 → Mar 2026 · range 51.8% – 86.5%
−10.3 pts
HHI
374
Jun 2023 → Mar 2026 · range 374 – 1,635
Broadly held −116

Quarterly Activity

vs Dec 31, 2025
New
39
Increased
51
Decreased
39
Sold Out
26
Unchanged
21
Holder count: +13
Institutional value: +2.9%
Shares held: +15.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +368,471 564,754
Large SEI INVESTMENTS CO +326,340 601,481
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +258,344 317,891
Mid Empyrean Capital Partners, LP +186,487 1,126,987
Mega CITADEL ADVISORS LLC +164,120 263,100

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small DG Capital Management, LLC −643,541 465,287
Mega JPMORGAN CHASE & CO −97,589 45,190
Mega MILLENNIUM MANAGEMENT LLC −73,318 134,164
Mid GSA CAPITAL PARTNERS LLP −69,375 16,283
Mid Ancora Advisors LLC −56,003 2,420

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 996,641 $11,212,211
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP 391,519 $4,404,588
Large Empowered Funds, LLC 308,656 $3,472,379
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 271,787 $3,057,603
Mega JANE STREET GROUP, LLC 257,078 $2,892,126

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,352,675 $17,084,284
Small Militia Capital Partners, LP 180,658 $2,281,710
Large Brandywine Global Investment Management, LLC 111,470 $1,407,866
Large TWO SIGMA ADVISERS, LP 53,700 $678,231
Large Squarepoint Ops LLC 52,231 $659,677
Filter: New 39 Increased 51 Reduced 39 Sold out 26 Unchanged 21
Showing 100 of 155
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $20,567,968 10.20% 1,828,264
Small Tieton Capital Management, LLC $14,326,368 7.11% 1,273,455
Mid Empyrean Capital Partners, LP $12,678,603 6.29% 1,126,987
Mega VANGUARD CAPITAL MANAGEMENT LLC $11,212,211 5.56% 996,641
Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. $9,097,931 4.51% 808,705
Mega DIMENSIONAL FUND ADVISORS LP $8,438,714 4.19% 750,108
Mega AMERICAN CENTURY COMPANIES INC $8,093,666 4.02% 719,437
Mega GEODE CAPITAL MANAGEMENT, LLC $6,928,435 3.44% 615,861
Large SEI INVESTMENTS CO $6,766,661 3.36% 601,481
Mega TWO SIGMA INVESTMENTS, LP $6,353,482 3.15% 564,754
Large RENAISSANCE TECHNOLOGIES LLC $6,066,641 3.01% 539,257
Mega STATE STREET CORP $5,690,553 2.82% 505,827
Small DG Capital Management, LLC $5,234,478 2.60% 465,287
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $3,576,273 1.77% 317,891
Large Empowered Funds, LLC $3,472,379 1.72% 308,656
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $3,242,823 1.61% 288,251
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $3,057,603 1.52% 271,787
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,491,875 1.24% 221,500
Large TUDOR INVESTMENT CORP ET AL $2,431,755 1.21% 216,156
Mega AQR CAPITAL MANAGEMENT LLC $2,425,408 1.20% 215,592
Small Militia Capital Management LLC $2,257,402 1.12% 200,658
Mega CITADEL ADVISORS LLC $2,226,375 1.10% 197,900
Mega NORTHERN TRUST CORP Bank $2,175,997 1.08% 193,422
Small Crews Bank & Trust Bank $2,127,093 1.06% 189,075
Large MARSHALL WACE, LLP $2,018,182 1.00% 179,394
Mega GOLDMAN SACHS GROUP INC $1,932,704 0.96% 171,796
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,824,750 0.91% 162,200
Mid ANTIPODES PARTNERS Ltd $1,761,378 0.87% 156,567
Large JACOBS LEVY EQUITY MANAGEMENT, INC $1,700,415 0.84% 151,148
Large WESTWOOD HOLDINGS GROUP INC $1,673,268 0.83% 148,735
Large Qube Research & Technologies Ltd $1,662,716 0.82% 147,797
Small Kennondale Capital Management LLC $1,651,297 0.82% 146,782
Mega MILLENNIUM MANAGEMENT LLC $1,509,345 0.75% 134,164
Mega JANE STREET GROUP, LLC $1,429,626 0.71% 127,078
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,368,000 0.68% 121,600
Mega MORGAN STANLEY $1,311,365 0.65% 116,566
Large MERCER GLOBAL ADVISORS INC /ADV $1,242,382 0.62% 110,434
Mega FRANKLIN RESOURCES INC $1,227,037 0.61% 109,070
Mega RAYMOND JAMES FINANCIAL INC $1,071,090 0.53% 95,208
Small Range Financial Group LLC $1,050,525 0.52% 93,380
Mega UBS Group AG $1,049,951 0.52% 93,329
Mega JANE STREET GROUP, LLC $1,042,875 0.52% 92,700
Large Lido Advisors, LLC $1,017,483 0.50% 90,443
Mega Bank of New York Mellon Corp Bank $997,491 0.49% 88,666
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $942,480 0.47% 83,776
Small M Holdings Securities, Inc. Broker-Dealer $935,842 0.46% 83,186
Large Connor, Clark & Lunn Investment Management Ltd. $929,193 0.46% 82,595
Mega FIRST TRUST ADVISORS LP $889,672 0.44% 79,082
Mega BANK OF AMERICA CORP /DE/ Bank $809,122 0.40% 71,922
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $789,052 0.39% 70,138
Mega CITADEL ADVISORS LLC $733,500 0.36% 65,200
Mid MARTINGALE ASSET MANAGEMENT L P $715,860 0.36% 63,632
Mid Beacon Pointe Advisors, LLC $701,685 0.35% 62,372
Mega Nuveen, LLC $668,722 0.33% 59,442
Small Pacific Ridge Capital Partners, LLC $635,928 0.32% 56,527
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $544,713 0.27% 48,419
Mega JPMORGAN CHASE & CO $508,386 0.25% 45,190
Mid Farther Finance Advisors, LLC $469,653 0.23% 41,747
Large Schonfeld Strategic Advisors LLC $451,518 0.22% 40,135
Large STRS OHIO $435,375 0.22% 38,700
Mega JANE STREET GROUP, LLC $419,625 0.21% 37,300
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $410,625 0.20% 36,500
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $402,648 0.20% 35,791
Mid MANGROVE PARTNERS IM, LLC $369,708 0.18% 32,863
Mega ALLIANCEBERNSTEIN L.P. $366,075 0.18% 32,540
Large CIBC WORLD MARKET INC. $359,167 0.18% 31,926
Small Arcus Capital Partners, LLC $355,893 0.18% 31,635
Mega RHUMBLINE ADVISERS $331,346 0.16% 29,453
Mid REGIONS FINANCIAL CORP $331,245 0.16% 29,444
Mid Campbell & CO Investment Adviser LLC $308,913 0.15% 27,459
Small Cox Capital Mgt LLC $284,872 0.14% 25,322
Mega Invesco Ltd. $282,261 0.14% 25,090
Mid RITHOLTZ WEALTH MANAGEMENT $279,472 0.14% 24,842
Large Quantinno Capital Management LP $269,223 0.13% 23,931
Large FIFTH THIRD BANCORP Bank $266,287 0.13% 23,670
Mid Welch Group, LLC $261,990 0.13% 23,288
Large Creative Planning $259,650 0.13% 23,080
Mid Engineers Gate Manager LP $255,847 0.13% 22,742
Small Tactive Advisors, LLC $249,975 0.12% 22,220
Mid Sterling Capital Management LLC $225,517 0.11% 20,046
Mid XTX Topco Ltd $219,622 0.11% 19,522
Mid Sowell Financial Services LLC $218,936 0.11% 19,461
Mid Graham Capital Management, L.P. $208,282 0.10% 18,514
Large Balyasny Asset Management L.P. $196,290 0.10% 17,448
Mega PRICE T ROWE ASSOCIATES INC /MD/ $195,783 0.10% 17,403
Large OSAIC HOLDINGS, INC. $188,370 0.09% 16,744
Small Palumbo Wealth Management LLC $187,278 0.09% 16,647
Large NATIONAL BANK OF CANADA /FI/ Bank $186,997 0.09% 16,622
Mid GSA CAPITAL PARTNERS LLP $183,183 0.09% 16,283
Large HRT FINANCIAL LP $158,276 0.08% 14,069
Large STATE OF WISCONSIN INVESTMENT BOARD $156,307 0.08% 13,894
Small Aigen Investment Management, LP $151,931 0.08% 13,505
Mid Metis Global Partners, LLC $137,958 0.07% 12,263
Large Vident Advisory, LLC $132,120 0.07% 11,744
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $130,905 0.06% 11,636
Small Marble Wealth, LLC $124,706 0.06% 11,085
Micro DECISION INVESTMENTS, INC $124,312 0.06% 11,050
Mid Kingsview Wealth Management, LLC $120,881 0.06% 10,745
Large ZACKS INVESTMENT MANAGEMENT $119,137 0.06% 10,590
Micro Genesis Wealth Advisors, LLC $113,017 0.06% 10,046

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