CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2018 to Q4 2025

Type / Class
Equity / Voting Common Stock, $1.00 par value per share
Symbol
COSO on NYSE
Shares outstanding
10,943,188
Price per share
$23.25
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
6,229,273
Total reported value
$135,749,934
% of total 13F portfolios
0%
Share change
+4,795,412
Value change
+$104,592,009
Number of holders
52
Price from insider filings
$23.25
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
EJF Capital LLC 8.5% $20,287,030 930,171 EJF Capital LLC 01 Jul 2025
Patriot Financial Partners II, L.P. 8.9% $14,434,565 719,211 W. Kirk Wycoff 01 Jul 2025

As of 30 Sep 2025, 52 institutional investors reported holding 6,229,273 shares of CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO). This represents 57% of the company’s total 10,943,188 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
EJF Capital LLC 8.5% 930,171 12% $20,287,030
Patriot Financial Partners GP II, L.P. 6.6% 719,211 0% 5% $15,685,992
ALLIANCEBERNSTEIN L.P. 4.6% 503,082 0% $10,972,218
Azora Capital LP 3.6% 399,064 0.4% $8,703,586
Berkeley Capital Partners, LLC 3.5% 380,934 -3.6% 1.9% $8,197,700
Fourthstone LLC 3.5% 378,141 1.5% $8,247,255
GOLDMAN SACHS GROUP INC 3.2% 352,952 0% $7,697,883
ENDEAVOUR CAPITAL ADVISORS INC 3.1% 336,940 2.2% $7,348,661
MENDON CAPITAL ADVISORS CORP 3% 332,349 3.3% $7,242,640
Curi Capital, LLC 2.8% 306,540 0.12% $6,685,637
BlackRock, Inc. 2.3% 250,316 0% $5,459,392
North Reef Capital Management LP 2% 220,619 0.23% $4,811,700
VANGUARD GROUP INC 1.3% 147,264 0% $3,211,828
GEODE CAPITAL MANAGEMENT, LLC 1.2% 130,534 0% $2,847,757
RAFFLES ASSOCIATES LP 1.1% 124,281 2.5% $2,710,569
KLCM Advisors, Inc. 0.83% 90,474 +144% 0.2% $1,973,238
Bleakley Financial Group, LLC 0.81% 88,094 0.04% $1,921,330
BANC FUNDS CO LLC 0.78% 85,715 -65% 0.33% $1,869,444
FIRST MANHATTAN CO. LLC. 0.71% 77,638 0% $1,693,285
Elizabeth Park Capital Advisors, Ltd. 0.69% 75,740 1.3% $1,651,889
NORTHERN TRUST CORP 0.38% 42,007 0% $916,173
KENNEDY CAPITAL MANAGEMENT LLC 0.37% 40,088 0.02% $874,319
SALZHAUER MICHAEL 0.3% 32,746 0% 0.46% $714,190
STATE STREET CORP 0.25% 26,904 0% $586,776
Bank of New York Mellon Corp 0.19% 20,951 0% $456,942

Institutional Holders of CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 60 $1,395 +$1,395 $23.25 1
2025 Q3 6,229,273 $135,749,934 +$104,592,009 $21.81 52
2025 Q2 679,767 $14,511,750 +$8,303,523 $21.29 3
2025 Q1 291,603 $6,196,563 -$354,471 $21.25 2
2024 Q4 308,284 $6,763,788 -$465,896 $21.94 2
2024 Q3 329,519 $6,491,603 -$9,840 $19.77 2
2024 Q2 330,019 $5,530,041 -$117,250 $16.78 2
2024 Q1 337,019 $5,645,520 +$1,435,855 $16.75 2
2023 Q4 251,304 $3,769,690 $15.00 2
2023 Q3 251,304 $3,711,428 $14.76 2
2023 Q2 251,304 $3,606,610 $14.35 2
2023 Q1 251,304 $4,346,257 $16.85 2
2022 Q4 251,304 $4,486,412 $17.50 2
2022 Q3 251,304 $3,563,000 +$320,822 $14.24 2
2022 Q2 228,794 $3,801,000 +$96,278 $16.62 2
2022 Q1 223,002 $4,001,000 +$136,478 $17.66 2
2021 Q4 215,127 $3,713,000 $17.27 2
2021 Q3 215,127 $3,652,000 $16.77 2
2021 Q2 215,127 $3,657,000 $17.00 2
2021 Q1 215,127 $3,011,000 $13.99 2
2020 Q4 215,127 $2,603,000 $12.12 2
2020 Q3 215,127 $2,356,000 $10.51 2
2020 Q2 215,127 $2,069,000 $9.68 2
2020 Q1 215,127 $2,396,000 $10.13 2
2019 Q4 215,127 $2,699,000 +$136,000 $12.53 2
2019 Q3 204,249 $2,461,000 -$204,000 $12.05 1
2019 Q2 220,820 $2,042,000 $10.65 2
2019 Q1 220,820 $3,066,000 $13.24 2
2018 Q4 220,820 $2,232,000 +$2,065,000 $10.09 2
2018 Q3 16,571 $162,000 $9.78 1
2018 Q2 16,571 $162,000 $9.78 1
2018 Q1 16,571 $162,000 +$162,000 $9.78 1