DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
ACIC

AMERICAN COASTAL INS CORP

155 institutions still hold AMERICAN COASTAL INS CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 910710102·155 13F holders·last filed Mar 31, 2026
Market cap
2.4%
vs prior quarter
13F value held
$146M
51.0% inst. owned
of float
Holders
155
-110 QoQ
filers reporting
Activity
+88 / −75
+974 added · −863 reduced
this quarter
Concentration
14.13%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

155 institutions reported ACIC in Q1 2026. BlackRock, Inc. leads at 14.1% of the visible book. -110 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$21M1.8M0.00%Q1 2026
02
Tieton Capital Management, LLC
CIK 0001381954
$15M1.2M5.27%Q4 2025
03
Empyrean Capital Partners, LP
CIK 0001317195
$13M1.1M0.41%Q1 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$11M997K0.00%Q1 2026
05
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
CIK 0001238990
$9M809K0.53%Q1 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$8M750K0.00%Q1 2026
07
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$8M719K0.00%Q1 2026
08
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$7M616K0.00%Q1 2026
09
SEI INVESTMENTS CO
CIK 0000350894
$7M601K0.01%Q1 2026
10
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$6M565K0.01%Q1 2026
11
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$6M539K0.01%Q1 2026
12
STATE STREET CORP
CIK 0000093751
$6M506K0.00%Q1 2026
13
DG Capital Management, LLC
CIK 0001512716
$5M465K1.60%Q1 2026
14
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$4M392K0.00%Q1 2026
15
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$4M318K0.00%Q1 2026
16
Empowered Funds, LLC
CIK 0001592828
$3M309K0.02%Q1 2026
17
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$3M288K0.07%Q1 2026
18
Vanguard Portfolio Management
CIK 0002100121
$3M272K0.00%Q1 2026
19
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$3M257K0.00%Q1 2026
20
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$2M216K0.00%Q1 2026
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