TRMK Trustmark Corporation
Trustmark Corporation (TRMK) Institutional Ownership
What the institutions did with TRMK 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 |
|---|---|---|
| BlackRock, Inc. | 8.6M | 18.4% |
| DIMENSIONAL FUND ADVISORS LP | 3.9M | 8.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.6M | 7.6% |
| STATE STREET CORP | 3.3M | 7.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | 5.4% |
| EARNEST PARTNERS LLC | 2.4M | 5.2% |
| AMERICAN CENTURY COMPANIES INC | 1.7M | 3.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6M | 3.4% |
| North Reef Capital Management LP | 1.6M | 3.3% |
| WELLINGTON MANAGEMENT GROUP LLP | 1.5M | 3.3% |
| MILLENNIUM MANAGEMENT LLC | 961.1K | 2.1% |
| GOLDMAN SACHS GROUP INC | 870.5K | 1.9% |
| UBS Group AG | 849.0K | 1.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 745.5K | 1.6% |
| NORTHERN TRUST CORP | 689.6K | 1.5% |
| FEDERATED HERMES, INC. | 513.0K | 1.1% |
| MORGAN STANLEY | 511.5K | 1.1% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 505.8K | 1.1% |
| Bank of New York Mellon Corp | 492.8K | 1.1% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 408.9K | 0.9% |
| Newport Trust Company, LLC | 400.0K | 0.9% |
| VANGUARD FIDUCIARY TRUST CO | 385.1K | 0.8% |
| AMERIPRISE FINANCIAL INC | 366.0K | 0.8% |
| Fisher Asset Management, LLC | 360.5K | 0.8% |
| PRINCIPAL FINANCIAL GROUP INC | 353.9K | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 3.3M | 1.5M | -1.8M |
| MILLENNIUM MANAGEMENT LLC | Increased | 61.3K | 961.1K | +899.8K |
| AMERICAN CENTURY COMPANIES INC | Increased | 1.3M | 1.7M | +429.1K |
| North Reef Capital Management LP | Reduced | 2.0M | 1.6M | -387.4K |
| STATE STREET CORP | Increased | 3.0M | 3.3M | +337.5K |
| BlackRock, Inc. | Increased | 8.3M | 8.6M | +303.9K |
| AMERIPRISE FINANCIAL INC | Increased | 106.2K | 366.0K | +259.8K |
| Qube Research & Technologies Ltd | Increased | 95.4K | 345.0K | +249.6K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 395.7K | 173.0K | -222.7K |
| Balyasny Asset Management L.P. | Increased | 42.2K | 189.4K | +147.2K |
| GOLDMAN SACHS GROUP INC | Increased | 730.4K | 870.5K | +140.1K |
| Ignite Planners, LLC | Reduced | 142.6K | 5.2K | -137.4K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 380.0K | 505.8K | +125.9K |
| BANK OF AMERICA CORP /DE/ | Reduced | 316.8K | 202.6K | -114.1K |
| Point72 Asset Management, L.P. | New | 0 | 95.9K | +95.9K |
| EARNEST PARTNERS LLC | Reduced | 2.5M | 2.4M | -93.6K |
| Nuveen, LLC | Reduced | 371.0K | 283.4K | -87.6K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.5M | 1.6M | +81.3K |
| Trexquant Investment LP | Reduced | 119.1K | 43.3K | -75.8K |
| MORGAN STANLEY | Increased | 444.5K | 511.5K | +67.0K |
| FEDERATED HERMES, INC. | Increased | 446.4K | 513.0K | +66.6K |
| Clark Capital Management Group, Inc. | Reduced | 361.4K | 308.9K | -52.5K |
| Integrated Quantitative Investments LLC | Sold Out | 43.5K | 0 | -43.5K |
| Campbell & CO Investment Adviser LLC | New | 0 | 43.4K | +43.4K |
| NORTHERN TRUST CORP | Increased | 646.9K | 689.6K | +42.8K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3.9M | 3.9M | +42.5K |
| TUDOR INVESTMENT CORP ET AL | Sold Out | 42.0K | 0 | -42.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 3.5M | 3.6M | +37.9K |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | 46.0K | 11.0K | -35.0K |
| SMITH, MOORE & CO. | New | 0 | 34.8K | +34.8K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 779.1K | 745.5K | -33.6K |
| HUB Investment Partners, LLC | New | 0 | 31.6K | +31.6K |
| WINTON GROUP Ltd | Sold Out | 28.9K | 0 | -28.9K |
| FIRST TRUST ADVISORS LP | Reduced | 156.3K | 128.3K | -28.0K |
| WELLS FARGO & COMPANY/MN | Increased | 143.4K | 169.7K | +26.4K |
| Cambridge Investment Research Advisors, Inc. | Increased | 26.9K | 52.3K | +25.4K |
| Russell Investments Group, Ltd. | Increased | 7.5K | 32.7K | +25.2K |
| HSBC HOLDINGS PLC | New | 0 | 24.9K | +24.9K |
| Horizon Investments, LLC | Sold Out | 24.7K | 0 | -24.7K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 38.3K | 14.4K | -23.9K |
| FMR LLC | Increased | 18.8K | 42.3K | +23.5K |
| Y-Intercept (Hong Kong) Ltd | New | 0 | 22.9K | +22.9K |
| D. E. Shaw & Co., Inc. | Increased | 8.8K | 31.0K | +22.2K |
| ExodusPoint Capital Management, LP | New | 0 | 22.0K | +22.0K |
| OCCUDO QUANTITATIVE STRATEGIES LP | New | 0 | 22.0K | +22.0K |
| Elo Mutual Pension Insurance Co | New | 0 | 21.7K | +21.7K |
| ROYCE & ASSOCIATES LP | Sold Out | 21.2K | 0 | -21.2K |
| MIRABELLA FINANCIAL SERVICES LLP | New | 0 | 20.8K | +20.8K |
| STIFEL FINANCIAL CORP | Increased | 8.6K | 28.2K | +19.5K |
| CITIGROUP INC | Increased | 39.0K | 56.3K | +17.3K |
| Public Sector Pension Investment Board | Reduced | 260.6K | 243.5K | -17.2K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | 22.9K | 5.8K | -17.1K |
| Legato Capital Management LLC | Sold Out | 16.9K | 0 | -16.9K |
| RHUMBLINE ADVISERS | Reduced | 157.3K | 140.8K | -16.4K |
| Quantinno Capital Management LP | Increased | 8.0K | 23.7K | +15.7K |
| TRUSTMARK BANK TRUST DEPARTMENT | Reduced | 286.3K | 270.8K | -15.5K |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | Increased | 53.1K | 67.7K | +14.6K |
| SG Americas Securities, LLC | Reduced | 39.6K | 25.0K | -14.6K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 69.2K | 83.3K | +14.2K |
| ALLIANCEBERNSTEIN L.P. | Increased | 59.1K | 72.1K | +13.0K |
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.