Who owns Trustmark Corporation?
Institutional ownership of TRMK from SEC Form 13F filings across 206 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.
206
13F holders
$1.55B
value, 2026 filers
58.1%
of shares outstanding (34.1M sh)
35
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 TRMK's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.6M | $395.9M | 0.0% | 14.7% | +3.7% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.6M | $163.9M | 0.0% | 6.1% | +1.1% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | $116.9M | 0.0% | 4.3% | -50.1% |
| 4 | AMERICAN CENTURY COMPANIES INC | 1.7M | $78.0M | 0.0% | 2.9% | +33.9% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $73.4M | 0.0% | 2.7% | +5.4% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 1.5M | $70.4M | 0.0% | 2.6% | -53.6% |
| 7 | MILLENNIUM MANAGEMENT LLC | 961,117 | $44.2M | 0.0% | 1.6% | +1467.7% |
| 8 | GOLDMAN SACHS GROUP INC | 870,518 | $40.1M | 0.0% | 1.5% | +19.2% |
| 9 | UBS Group AG | 848,952 | $39.1M | 0.0% | 1.4% | -1.4% |
| 10 | Sixth Street Partners Management Company, L.P.NEW | 745,492 | $34.3M | 5.9% | 1.3% | new |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 745,492 | $34.3M | 0.0% | 1.3% | -4.3% |
| 12 | NORTHERN TRUST CORP | 689,624 | $31.7M | 0.0% | 1.2% | +6.6% |
| 13 | FEDERATED HERMES, INC. | 513,046 | $23.6M | 0.0% | 0.9% | +14.9% |
| 14 | MORGAN STANLEY | 511,530 | $23.5M | 0.0% | 0.9% | +15.1% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 505,821 | $23.3M | 0.0% | 0.9% | +33.1% |
| 16 | Bank of New York Mellon Corp | 492,842 | $22.7M | 0.0% | 0.8% | +1.4% |
| 17 | Public Sector Pension Investment Board | 486,936 | $22.4M | 0.1% | 0.8% | +86.8% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 385,071 | $17.7M | 0.0% | 0.7% | +2.4% |
| 19 | AMERIPRISE FINANCIAL INC | 366,036 | $16.8M | 0.0% | 0.6% | +244.5% |
| 20 | Fisher Asset Management, LLC | 360,467 | $16.6M | 0.0% | 0.6% | -2.7% |
| 21 | PRINCIPAL FINANCIAL GROUP INC | 353,881 | $16.3M | 0.0% | 0.6% | +0.6% |
| 22 | Qube Research & Technologies Ltd | 344,967 | $15.9M | 0.0% | 0.6% | +261.6% |
| 23 | Clark Capital Management Group, Inc. | 308,864 | $14.2M | 0.1% | 0.5% | -14.5% |
| 24 | Nuveen, LLC | 283,400 | $13.0M | 0.0% | 0.5% | -23.6% |
| 25 | Invesco Ltd. | 282,183 | $13.0M | 0.0% | 0.5% | 0.0% |
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.