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, Q1 2025
Institutional positions in TransMedics Group, Inc. as of Mar 31, 2025. 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
- 298
- −13 vs. Q4 2024
- Shares held
- 39.1M
- +2.29M (+6.2%) vs. Q4 2024
- Total value
- $2.63B
- +$336.1M (+14.7%) vs. Q4 2024
- New holders
- 51
- 121 more added
- Sold out
- 64
- 91 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Man Group plc | 0 | $0 | 0.00% | −395,447−100.0% | Sold out |
| Vaughan Nelson Investment Management, L.P. | 0 | $0 | 0.00% | −361,615−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −283,107−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −192,400−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −164,925−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −164,065−100.0% | Sold out |
| Palisades Investment Partners, LLC | 0 | $0 | 0.00% | −160,108−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −111,121−100.0% | Sold out |
| Natixis Advisors, L.P. | 0 | $0 | 0.00% | −62,687−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −49,800−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −47,859−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −42,106−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −41,016−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −40,302−100.0% | Sold out |
| Pilgrim Partners Asia Pte Ltd | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −38,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −31,087−100.0% | Sold out |
| Renaissance Group LLC | 0 | $0 | 0.00% | −30,596−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −27,860−100.0% | Sold out |
| Abn Amro Investment Solutions | 0 | $0 | 0.00% | −19,732−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −12,384−100.0% | Sold out |
| Pacific Capital Partners Ltd | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −10,114−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Pacific Point Advisors, LLC | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −8,797−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −8,369−100.0% | Sold out |
| Apeiron Capital Ltd | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −7,290−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −6,817−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −6,769−100.0% | Sold out |
| Black Swift Group, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −4,812−100.0% | Sold out |
| Talbot Financial, LLC | 0 | $0 | 0.00% | −4,812−100.0% | Sold out |
| Claro Advisors LLC | 0 | $0 | 0.00% | −4,757−100.0% | Sold out |
| Envestnet Portfolio Solutions, Inc. | 0 | $0 | 0.00% | −4,721−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −4,597−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −4,232−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −3,865−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −3,463−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −3,461−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −3,435−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −3,112−100.0% | Sold out |
| SlateStone Wealth, LLC | 0 | $0 | 0.00% | −3,271−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −1,650−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −1,373−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,283−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −755−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −405−100.0% | Sold out |
| Medallion Wealth Advisors, LLC | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| VSM Wealth Advisory, LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Heck Capital Advisors, LLC | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Morse Asset Management, Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Van Hulzen Asset Management, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| West Paces Advisors Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| RiverPark Advisors, LLC | 0 | $0 | 0.00% | −293−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Executive Wealth Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| WR Wealth Planners, LLC | – | – | – | – | Not filed |