Who owns CoastalSouth Bancshares, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of COSO from SEC Form 13F filings across 100 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 100 institutions disclosed 6.9M shares of CoastalSouth Bancshares, Inc. worth $184.6M — about 55.5% of shares outstanding; the largest disclosed holder is Patriot Financial Partners GP II, L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
100
13F holders
$184.6M
value, 2026 filers
55.5%
of shares outstanding (6.9M sh)
25
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of COSO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Patriot Financial Partners GP II, L.P. | 691,367 | $18.6M | 4.7% | 5.6% | -40.4% |
| 2 | BlackRock, Inc. | 584,198 | $15.7M | 0.0% | 4.7% | +18.7% |
| 3 | TWO SIGMA INVESTMENTS, LP | 408,489 | $11.0M | 0.0% | 3.3% | +308.3% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 395,093 | $10.6M | 0.0% | 3.2% | -2.8% |
| 5 | North Reef Capital Management LP | 370,982 | $10.0M | 0.4% | 3% | +15.6% |
| 6 | Berkeley Capital Partners, LLC | 356,390 | $9.6M | 2.0% | 2.9% | -1.2% |
| 7 | ALLIANCEBERNSTEIN L.P. | 347,546 | $8.5M | 0.0% | 2.8% | -12.6% |
| 8 | MENDON CAPITAL ADVISORS CORP | 267,232 | $7.2M | 2.5% | 2.1% | -19.0% |
| 9 | Curi Capital, LLC | 250,001 | $6.7M | 0.1% | 2% | -17.5% |
| 10 | Fourthstone LLC | 225,211 | $6.1M | 4.3% | 1.8% | -79.5% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 196,340 | $5.3M | 0.0% | 1.6% | +2.7% |
| 12 | EJF Capital LP | 192,676 | $5.2M | 3.5% | 1.5% | 0.0% |
| 13 | STATE STREET CORP | 188,361 | $5.1M | 0.0% | 1.5% | +49.0% |
| 14 | ACADIAN ASSET MANAGEMENT LLC | 173,846 | $4.7M | 0.0% | 1.4% | +139.0% |
| 15 | Qube Research & Technologies LtdNEW | 127,213 | $3.4M | 0.0% | 1% | new |
| 16 | RAFFLES ASSOCIATES LP | 112,138 | $3.0M | 2.7% | 0.9% | -7.5% |
| 17 | MORGAN STANLEY | 108,931 | $2.9M | 0.0% | 0.9% | +289.8% |
| 18 | KLCM Advisors, Inc. | 107,617 | $2.9M | 0.2% | 0.9% | 0.0% |
| 19 | GOLDMAN SACHS GROUP INC | 91,528 | $2.5M | 0.0% | 0.7% | -64.5% |
| 20 | Bleakley Financial Group, LLC | 90,307 | $2.4M | 0.0% | 0.7% | +2.5% |
| 21 | CITADEL ADVISORS LLCNEW | 88,947 | $2.4M | 0.0% | 0.7% | new |
| 22 | BANC FUNDS CO LLC | 85,715 | $2.3M | 0.4% | 0.7% | 0.0% |
| 23 | FIRST MANHATTAN CO. LLC. | 77,638 | $2.1M | 0.0% | 0.6% | 0.0% |
| 24 | Elizabeth Park Capital Advisors, Ltd. | 75,740 | $2.0M | 1.4% | 0.6% | 0.0% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 70,177 | $1.9M | 0.0% | 0.6% | +56.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.