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

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

Type / Class
Equity / Common Stock, par value $1.00 per share
Symbol
COSO on NYSE
Shares outstanding
11,982,484
Price per share
$23.44
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
3,996,661
Total reported value
$92,912,468
% of total 13F portfolios
0%
Share change
+834,533
Value change
+$19,400,545
Number of holders
45
Price from insider filings
$23.44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Fourthstone LLC 8% $22,497,642 959,797 Fourthstone LLC 31 Dec 2025
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 31 Dec 2025, 45 institutional investors reported holding 3,996,661 shares of CoastalSouth Bancshares, Inc. - Common Stock, par value $1.00 per share (COSO). This represents 33% of the company’s total 11,982,484 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CoastalSouth Bancshares, Inc. - Common Stock, par value $1.00 per share (COSO) together control 33% 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
Fourthstone LLC 8% 959,797 +154% 4.2% $22,315,280
Patriot Financial Partners GP II, L.P. 6% 719,211 0% 5.2% $16,721,656
Berkeley Capital Partners, LLC 3.1% 365,556 -4% 2% $8,499,177
ENDEAVOUR CAPITAL ADVISORS INC 2.8% 336,840 -0.03% 2.2% $7,831,530
BlackRock, Inc. 2.7% 324,306 +30% 0% $7,540,115
GOLDMAN SACHS GROUP INC 2% 239,526 -32% 0% $5,568,980
VANGUARD GROUP INC 2% 234,072 +59% 0% $5,442,175
GEODE CAPITAL MANAGEMENT, LLC 1.2% 147,137 +13% 0% $3,421,757
KLCM Advisors, Inc. 0.9% 107,617 +19% 0.22% $2,502,095
Bleakley Financial Group, LLC 0.74% 88,094 0% 0.04% $2,048,186
BANC FUNDS CO LLC 0.72% 85,715 0% 0.39% $1,992,874
MARSHALL WACE, LLP 0.44% 52,461 0% $1,219,721
KENNEDY CAPITAL MANAGEMENT LLC 0.33% 40,088 0% 0.02% $932,046
STATE STREET CORP 0.33% 39,883 +48% 0% $927,280
HB Wealth Management, LLC 0.32% 38,184 0.01% $887,778
SALZHAUER MICHAEL 0.27% 32,746 0% 0.34% $761,345
UBS Group AG 0.21% 25,172 +184% 0% $585,249
MORGAN STANLEY 0.18% 21,398 +568% 0% $497,503
Bank of New York Mellon Corp 0.17% 20,088 -4.1% 0% $467,047
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.14% 17,362 +11% 0% $403,667
SEI INVESTMENTS CO 0.11% 13,423 +39% 0% $312,085
JANE STREET GROUP, LLC 0.11% 12,890 0% $299,692
ACADIAN ASSET MANAGEMENT LLC 0.1% 12,411 0% $287,000
BARCLAYS PLC 0.1% 11,971 +82% 0% $278,326
ELCO Management Co., LLC 0.08% 9,766 -12% 0.14% $227,059

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

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 3,996,661 $92,912,468 +$19,400,545 $23.25 45
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