TMDX: Transmedics Group Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
376 institutions reported holding $2.28B of Transmedics Group Inc on Form 13F (416 the quarter before). 65 opened a new position and 107 sold out. Shares held by institutions: -5%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 5,596,549 | $371.72M |
| FMR LLC | 5,133,328 | $340.96M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,933,989 | $128.46M |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,497,600 | $99.47M |
| STATE STREET CORP | 1,420,421 | $94.34M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 910,495 | $60.48M |
| GEODE CAPITAL MANAGEMENT, LLC | 894,913 | $59.45M |
| Hood River Capital Management LLC | 751,133 | $49.89M |
| DIMENSIONAL FUND ADVISORS LP | 610,107 | $40.53M |
| BRAIDWELL LP | 609,715 | $40.50M |
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