Canonical: https://ownershiptrace.com/13f/companies/61

# Who owns TransMedics Group, Inc. (TMDX)? Elite investor 13F holders

3 tracked elite investors reported holding TransMedics Group, Inc as of 2026-06-30, including D.E. Shaw, Oaktree Capital Management, Ancora Advisors / Ancora Holdings. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

3 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Health Care Equipment & Services

TransMedics Group, Inc., a commercial-stage medical technology company, engages in transforming organ transplant therapy for end-stage organ failure patients in the United States and internationally. The company provides Organ Care System (OCS), a portable organ perfusion, optimization, and monitoring system that utilizes its proprietary and customized technology to replicate near-physiologic…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 19563751.00 USD | 18000000.000000 | Principal | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Oaktree Capital Management](https://ownershiptrace.com/13f/investors/44) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 3396978.00 USD | 3131000.000000 | Principal | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/949509/0000949509-26-000005-index.html) |
| [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 0.00 USD | 0.000000 | Principal | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | TRANSMEDICS GROUP INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 33210.00 USD | 500.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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