CoastalSouth Bancshares, Inc. (COSO)
Who owns CoastalSouth Bancshares, Inc. (COSO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 65.6% of the shares are freely tradable; institutional investors hold 64.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Patriot Financial Partners GP II, LP | 9.53 | 1,159,211 | +61.2 | 03/31/2026 |
| Fourthstone LLC | 9.04 | 1,100,504 | +14.7 | 03/31/2026 |
| BlackRock Inc | 4.04 | 492,033 | +51.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.34 | 406,427 | +0.0 | 03/31/2026 |
| AllianceBernstein L.P. | 3.27 | 397,573 | -6.4 | 03/31/2026 |
| Berkeley Capital Partners, LLC | 2.96 | 360,562 | -1.4 | 03/31/2026 |
| Mendon Capital Advisors Corp | 2.71 | 329,743 | +24.1 | 03/31/2026 |
| North Reef Capital Management LP | 2.64 | 320,982 | +21.6 | 03/31/2026 |
| Curi Capital, LLC | 2.49 | 302,951 | +24.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.58 | 314,100 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.