COSO CoastalSouth Bancshares, Inc.
CoastalSouth Bancshares, Inc. (COSO) Institutional Ownership
What the institutions did with COSO last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| Patriot Financial Partners GP II, L.P. | 691.4K | 9.9% |
| BlackRock, Inc. | 584.2K | 8.3% |
| TWO SIGMA INVESTMENTS, LP | 408.5K | 5.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 395.1K | 5.6% |
| North Reef Capital Management LP | 371.0K | 5.3% |
| Berkeley Capital Partners, LLC | 356.4K | 5.1% |
| ALLIANCEBERNSTEIN L.P. | 347.5K | 5.0% |
| MENDON CAPITAL ADVISORS CORP | 267.2K | 3.8% |
| Curi Capital, LLC | 250.0K | 3.6% |
| Fourthstone LLC | 225.2K | 3.2% |
| RAFFLES ASSOCIATES LP | 224.3K | 3.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 196.3K | 2.8% |
| EJF Capital LP | 192.7K | 2.7% |
| STATE STREET CORP | 188.4K | 2.7% |
| ACADIAN ASSET MANAGEMENT LLC | 173.8K | 2.5% |
| Qube Research & Technologies Ltd | 127.2K | 1.8% |
| MORGAN STANLEY | 108.9K | 1.6% |
| KLCM Advisors, Inc. | 107.6K | 1.5% |
| GOLDMAN SACHS GROUP INC | 91.5K | 1.3% |
| Bleakley Financial Group, LLC | 90.3K | 1.3% |
| CITADEL ADVISORS LLC | 88.9K | 1.3% |
| BANC FUNDS CO LLC | 85.7K | 1.2% |
| FIRST MANHATTAN CO. LLC. | 77.6K | 1.1% |
| Elizabeth Park Capital Advisors, Ltd. | 75.7K | 1.1% |
| AQR CAPITAL MANAGEMENT LLC | 70.2K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Fourthstone LLC | Reduced | 1.1M | 225.2K | -875.3K |
| Patriot Financial Partners GP II, L.P. | Reduced | 1.2M | 691.4K | -467.8K |
| TWO SIGMA INVESTMENTS, LP | Increased | 100.1K | 408.5K | +308.4K |
| ENDEAVOUR CAPITAL ADVISORS INC | Sold Out | 241.6K | 0 | -241.6K |
| GOLDMAN SACHS GROUP INC | Reduced | 258.1K | 91.5K | -166.6K |
| Qube Research & Technologies Ltd | New | 0 | 127.2K | +127.2K |
| RAFFLES ASSOCIATES LP | Increased | 121.3K | 224.3K | +103.0K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 72.7K | 173.8K | +101.1K |
| BlackRock, Inc. | Increased | 492.0K | 584.2K | +92.2K |
| CITADEL ADVISORS LLC | New | 0 | 88.9K | +88.9K |
| MORGAN STANLEY | Increased | 27.9K | 108.9K | +81.0K |
| Point72 Asset Management, L.P. | New | 0 | 63.5K | +63.5K |
| MENDON CAPITAL ADVISORS CORP | Reduced | 329.7K | 267.2K | -62.5K |
| STATE STREET CORP | Increased | 126.4K | 188.4K | +61.9K |
| JPMORGAN CHASE & CO | Increased | 3.7K | 59.8K | +56.1K |
| Curi Capital, LLC | Reduced | 303.0K | 250.0K | -53.0K |
| JANE STREET GROUP, LLC | New | 0 | 50.3K | +50.3K |
| ALLIANCEBERNSTEIN L.P. | Reduced | 397.6K | 347.5K | -50.0K |
| North Reef Capital Management LP | Increased | 321.0K | 371.0K | +50.0K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 2.4K | 48.4K | +46.0K |
| HRT FINANCIAL LP | New | 0 | 43.8K | +43.8K |
| XTX Topco Ltd | New | 0 | 38.8K | +38.8K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | New | 0 | 35.6K | +35.6K |
| Trexquant Investment LP | Increased | 30.1K | 63.3K | +33.3K |
| Quadrature Capital Ltd | New | 0 | 30.0K | +30.0K |
| D. E. Shaw & Co., Inc. | New | 0 | 26.1K | +26.1K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 45.0K | 70.2K | +25.2K |
| BANK OF AMERICA CORP /DE/ | Increased | 16.0K | 39.7K | +23.7K |
| Ghisallo Capital Management LLC | Sold Out | 20.0K | 0 | -20.0K |
| OCCUDO QUANTITATIVE STRATEGIES LP | Increased | 10.4K | 29.1K | +18.7K |
| Russell Investments Group, Ltd. | Increased | 558 | 17.4K | +16.8K |
| Jump Financial, LLC | New | 0 | 15.8K | +15.8K |
| Man Group plc | New | 0 | 14.8K | +14.8K |
| WINTON GROUP Ltd | New | 0 | 11.7K | +11.7K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 406.4K | 395.1K | -11.3K |
| Squarepoint Ops LLC | New | 0 | 10.9K | +10.9K |
| MILLENNIUM MANAGEMENT LLC | Increased | 21.3K | 32.0K | +10.7K |
| MARSHALL WACE, LLP | Reduced | 24.5K | 14.1K | -10.4K |
| SEI INVESTMENTS CO | Reduced | 21.7K | 11.7K | -10.0K |
| Schonfeld Strategic Advisors LLC | New | 0 | 10.0K | +10.0K |
| Walleye Capital LLC | New | 0 | 9.7K | +9.7K |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | New | 0 | 9.4K | +9.4K |
| Virtu Financial LLC | New | 0 | 9.3K | +9.3K |
| ALGERT GLOBAL LLC | New | 0 | 8.3K | +8.3K |
| Y-Intercept (Hong Kong) Ltd | New | 0 | 7.9K | +7.9K |
| EP Wealth Advisors, LLC | New | 0 | 7.6K | +7.6K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 53.4K | 60.0K | +6.5K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 191.3K | 196.3K | +5.1K |
| DEUTSCHE BANK AG\ | Increased | 3.4K | 8.0K | +4.6K |
| Centiva Capital, LP | Increased | 8.3K | 12.9K | +4.5K |
| Berkeley Capital Partners, LLC | Reduced | 360.6K | 356.4K | -4.2K |
| ELCO Management Co., LLC | Reduced | 12.0K | 7.9K | -4.1K |
| CITIGROUP INC | Increased | 432 | 4.0K | +3.6K |
| RHUMBLINE ADVISERS | Increased | 5.4K | 8.0K | +2.7K |
| Bleakley Financial Group, LLC | Increased | 88.1K | 90.3K | +2.2K |
| PNC FINANCIAL SERVICES GROUP, INC. | New | 0 | 2.1K | +2.1K |
| BARCLAYS PLC | Increased | 5.7K | 7.8K | +2.1K |
| WELLS FARGO & COMPANY/MN | Increased | 6.3K | 8.3K | +2.0K |
| KENNEDY CAPITAL MANAGEMENT LLC | Reduced | 44.5K | 42.7K | -1.8K |
| NORTHERN TRUST CORP | Increased | 64.4K | 66.0K | +1.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.