Vanguard Capital Management Acquires 5.06% Stake in TransMedics Group Inc (TMDX)

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, reporting a new 5.06% stake in TransMedics Group Inc (TMDX). As of the event date on March 31, 2026, Vanguard beneficially owns 1,737,137 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over all 1,737,137 shares, while holding sole voting power over 258,985 shares. This position was acquired in the ordinary course of business, as Vanguard is registered as an investment adviser and does not intend to influence or change the control of the issuer. The reported holdings include shares managed by various Vanguard affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. This filing marks a significant increase from the previously reported 0% ownership, establishing Vanguard as a major institutional shareholder in the Andover, Massachusetts-based medical technology company. No other single person's interest in these securities exceeds 5%.