Trustmark Corp (TRMK) Institutional Ownership

Ownership Summary

A total of 267 institutions have reported a stake in Trustmark Corp (NASDAQ:TRMK) as of September 2025, according to recent 13F filings with the SEC.

• The percentage of Trustmark owned by institutions changed from 72.6% in June 2025 to 72.8% in September 2025, marking a slight up trend.
• The company experienced a 1.88% quarterly change in institutional shares held, alongside an increase of 12.18% in total owners annually.
• During the quarter, 125 institutions bought more Trustmark shares, 93 sold shares, and 49 of the 267 total investors held their position steady.
• The aggregate institutional position in Trustmark now stands at 44.39Mn shares as of September 2025, after investors increased their holdings (up by 817.38K shares quarter on quarter which is up 821.90K shares year over year).
• As of September 30, 2025, BlackRock, Inc. held Trustmark's largest shareholding position with over 8.35Mn shares, representing 13.70% of total outstanding shares.
• Among the most significant buyers of Trustmark during September 2025 were WELLINGTON MANAGEMENT GROUP LLP (316.85K), Nuveen, LLC (192.17K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (144.57K), AQR CAPITAL MANAGEMENT LLC (132.15K), AMERICAN CENTURY COMPANIES INC (132.02K).
• Leading sellers of Trustmark stock in September 2025 included BlackRock, Inc. (247.10K), Invesco Ltd. (177.12K), EARNEST PARTNERS LLC (147.91K), MORGAN STANLEY (128.63K), VANGUARD GROUP INC (89.98K).
• The top 10 institutional holders of Trustmark for the quarter ending September 2025 included BlackRock, Inc. (8.35Mn), VANGUARD GROUP INC (6.45Mn), DIMENSIONAL FUND ADVISORS LP (3.91Mn), WELLINGTON MANAGEMENT GROUP LLP (3.88Mn), STATE STREET CORP (2.99Mn), EARNEST PARTNERS LLC (2.76Mn), GEODE CAPITAL MANAGEMENT, LLC (1.48Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (912.85K), NORTHERN TRUST CORP (674.34K), AMERICAN CENTURY COMPANIES INC (564.18K).