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Companies / Financials / CoastalSouth Bancshares, Inc.
COSO

CoastalSouth Bancshares, Inc.

FinancialsBanks & Brokers
Ticker COSOATLANTA, GAFiscal year ends DecemberBook value per share $21.09Diluted shares 12.4M

CoastalSouth Bancshares, Inc. (NYSE: COSO) is a bank holding company that operates through its wholly owned subsidiary, Coastal States Bank, a South Carolina-chartered commercial bank. It provides lending, deposit and other banking services to small and midsized businesses and individuals, primarily in the Lowcountry… From the company’s description.

In fiscal 2025, CoastalSouth Bancshares, Inc. reported revenue of $81.96M and net income of $24.89M. Its pre-tax margin was 38.0%. Over the twelve months to Sep 30, 2026, revenue was $91.59M.

Fiscal year 2025 · ends 12-31The amber dot is the latest twelve months, to 2026-09-30
Sales & profitability
$81.96MFY2025
Last 12 mo $91.59M
37.99%FY2025
Last 12 mo 40.86%
$24.89MFY2025
Last 12 mo $29.57M
9.59%FY2025
Last 12 mo 11.29%
Cash & financing
$63.13MFY2025
Last 12 mo $174.96M
$61.30MFY2025
Last 12 mo $173.11M
7.77FY2025
Last 12 mo 8.14
11.5MFY2025
Last 12 mo 12.4M

Dotted labels explain each measure. is shown separately from the annual figures.

What CoastalSouth Bancshares, Inc. does

In the company’s own words

CoastalSouth Bancshares, Inc. (NYSE: COSO) is a bank holding company that operates through its wholly owned subsidiary, Coastal States Bank, a South Carolina-chartered commercial bank. It provides lending, deposit and other banking services to small and midsized businesses and individuals, primarily in the Lowcountry of South Carolina, Savannah, Georgia, and metro Atlanta. Its lending includes commercial real estate, construction and development, commercial and industrial, senior housing, residential mortgage and marine loans; specialty businesses include Senior Housing, Marine Lending, Government Guaranteed Lending and Mortgage Banker Finance. The company also originates residential mortgages through Coastal States Mortgage and offers treasury management, online and mobile banking, and payment services. It operates 11 retail branches and reported total assets of $2.31 billion at December 31, 2025. CoastalSouth was founded in 2004 and expanded through branch openings and two acquisitions; it completed its initial public offering in July 2025. Its website is https://www.coastalstatesbank.com.

Company details
Sector
Financials
Industry (SIC)
Banks & Brokers
Headquarters
ATLANTA, GA
Fiscal year end
December
CIK
1297107
SIC
6022

Financial performance, year by year

Fiscal 2025–2025 · USD
$-9.16M$18.32M$45.80M$73.27M$100.75M2025Last 12 moLast 12 monthsLast 12 months

The full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.

Ownership

Who owns CoastalSouth Bancshares, Inc. — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

86
funds hold it
0 of 35
superinvestors hold it
$38.78M
held by funds, at market
12.5%
of shares held by funds

Largest fund holders · CoastalSouth Bancshares, Inc.’s weight in each

VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%of fund net assets
RMB Mendon Financial Services Fund
RMBKX · RMB Investors Trust
2.60%of fund net assets
iShares Russell 2000 ETF
IWM · iShares Trust
0.01%of fund net assets
VANGUARD EXTENDED MARKET INDEX FUND
VXF · VANGUARD INDEX FUNDS
0.00%of fund net assets
Fidelity Small Cap Index Fund
FSSNX · Fidelity Salem Street Trust
—of fund net assets

Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.

Connected research

Put this business in context.

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