TransMedics Group, Inc.
TMDX- Exchange
- Nasdaq
- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0001756262
In the last 90 days, TransMedics Group, Inc. insiders filed 1 open-market purchase and 0 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $2.31B in total; no superinvestor holds it.
13F holders, Q4 2022
Institutional positions in TransMedics Group, Inc. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 200
- +26 vs. Q3 2022
- Shares held
- 29.0M
- +713.4K (+2.5%) vs. Q3 2022
- Total value
- $1.79B
- +$607.5M (+51.5%) vs. Q3 2022
- New holders
- 37
- 76 more added
- Sold out
- 11
- 66 more reduced
4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TMDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 375 | $2.31B |
| Q1 2026 | 416 | $3.63B |
| Q4 2025 | 429 | $4.53B |
| Q3 2025 | 388 | $4.17B |
| Q2 2025 | 368 | $4.93B |
| Q1 2025 | 298 | $2.63B |
| Q4 2024 | 315 | $2.30B |
| Q3 2024 | 374 | $5.74B |
| Q2 2024 | 340 | $5.09B |
| Q1 2024 | 262 | $2.52B |
| Q4 2023 | 249 | $2.76B |
| Q3 2023 | 222 | $1.91B |
| Q2 2023 | 240 | $2.73B |
| Q1 2023 | 225 | $2.26B |
| Q4 2022 | 200 | $1.79B |
| Q3 2022 | 178 | $1.18B |
| Q2 2022 | 135 | $719.7M |
| Q1 2022 | 110 | $561.4M |
| Q4 2021 | 121 | $384.7M |
| Q3 2021 | 120 | $636.5M |
| Q2 2021 | 124 | $623.5M |
| Q1 2021 | 107 | $773.0M |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avidity Partners Management LP | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −154,608−100.0% | Sold out |
| Board of Trustees of The Leland Stanford Junior University | 0 | $0 | 0.00% | −117,281−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −102,999−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −10,148−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −9,678−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −7,210−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −234−100.0% | Sold out |
| ACT Capital Management, LLC | – | – | – | – | Not filed |
| American Portfolios Advisors | – | – | – | – | Not filed |
| Covington Capital Management | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |