Clark Capital Management Group Inc. Boosts Stake in Trustmark Corporation

Investment firm increases holding in regional financial services provider by 13.5%

Mar. 16, 2026 at 9:09am

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Clark Capital Management Group Inc. has increased its stake in Trustmark Corporation (NASDAQ:TRMK) by 13.5% during the third quarter, according to a recent SEC filing. The investment firm now owns 352,468 shares, or about 0.59% of the regional financial services provider.

Why it matters

This transaction reflects growing institutional investor interest in Trustmark, a Mississippi-based bank with a diversified business model spanning commercial, consumer, and wealth management services. The stock's performance and valuation have attracted attention from major money managers like Clark Capital.

The details

According to the filing, Clark Capital Management Group purchased an additional 42,032 shares of Trustmark during the third quarter, bringing its total position to 352,468 shares. This represents about 0.59% of Trustmark's outstanding stock. The investment firm cited Trustmark's solid financial performance and growth potential as reasons for increasing its stake in the regional bank.

  • The transaction occurred during the third quarter of 2026.

The players

Clark Capital Management Group Inc.

An investment management firm that oversees over $25 billion in client assets.

Trustmark Corporation

A regional financial services provider headquartered in Jackson, Mississippi, offering commercial banking, consumer banking, and wealth management services.

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The takeaway

This transaction highlights the growing institutional interest in Trustmark Corporation as a regional banking play with a diversified business model and solid financial performance. The increase in Clark Capital's stake suggests the investment firm sees further upside potential in Trustmark's stock.