CoastalSouth Bancshares, Inc. (COSO) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for COSO. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 97 institutions reported holding COSO, with 6.9 million shares worth $184.4 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Patriot Financial Partners GP II, | 691,367 | $19M | DECREASED |
| BlackRock | 584,198 | $16M | INCREASED |
| Vanguard | 511,075 | $14M | DECREASED |
| Two Sigma Investments | 408,489 | $11M | INCREASED |
| North Reef Capital Management | 370,982 | $10M | INCREASED |
Full institutional holdings, insider history, and congressional trades for CoastalSouth Bancshares, Inc. on SentiSense.