Trustmark Corporation
Ownership
Ownership Structure
Who owns Trustmark Corporation (TRMK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.2% of the shares are freely tradable; institutional investors hold 80.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.30 | 8,301,225 | -1.9 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 6.79 | 3,940,082 | +1.1 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 6.07 | 3,524,803 | +0.0 | 03/31/2026 |
| State Street Corp | 5.12 | 2,974,965 | +2.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.38 | 2,545,422 | +0.0 | 03/31/2026 |
| Earnest Partners LLC | 4.36 | 2,532,602 | -2.9 | 03/31/2026 |
| North Reef Capital Management LP | 3.36 | 1,952,930 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 2.92 | 1,695,444 | +33.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.14 | 3,564,669 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.05 | 1,768,722 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Harvey Robert B | Executive Officer | 70,181 | 3,277,453 $ | Jul 28, 2026 | direct |
| Tate Granville Jr | Secretary | 62,959 | 2,940,185 $ | Jul 28, 2026 | direct |
| Chambers George T. Jr. | Principal Accounting Officer | 25,232 | 1,178,334 $ | Jul 28, 2026 | direct |
| Eduardo Marcelo L | Director | 9,610 | 448,787 $ | Sep 2, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 2, 2026 | Eduardo Marcelo L | Director | Sell | 530 | 45.64 | 24,187 |
| Jul 28, 2026 | Tate Granville Jr | Secretary | Other | 1,608 | 0.00 | – |
| Jul 28, 2026 | Harvey Robert B | Executive Officer | Other | 2,144 | 0.00 | – |
| Jul 28, 2026 | Chambers George T. Jr. | Principal Accounting Officer | Other | 1,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 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.