Wellington Management Group LLP Increases Stake in Enterprise Financial Services Corp to 8.8%

On May 15, 2026, Wellington Management Group LLP and its affiliated entities filed a Schedule 13G/A reporting an increased stake in Enterprise Financial Services Corp (EFSC). The filing indicates that the group now beneficially owns 3,250,131 shares of common stock, representing an 8.8% ownership stake in the company. This represents a significant increase from the previously reported 0.0% position. The shares are held of record by various clients of investment advisers directly or indirectly owned by Wellington Management Group LLP, including Wellington Group Holdings LLP, Wellington Investment Advisors Holdings LLP, and Wellington Management Company LLP. The filing was made under Rule 13d-1(b), certifying that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The reporting persons share dispositive power over the full 3,250,131 shares, while sharing voting power over 2,219,233 shares.