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, Q3 2023
Institutional positions in TransMedics Group, Inc. as of Sep 30, 2023. 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
- 222
- −17 vs. Q2 2023
- Shares held
- 34.9M
- +2.42M (+7.4%) vs. Q2 2023
- Total value
- $1.91B
- −$816.9M (−29.9%) vs. Q2 2023
- New holders
- 35
- 95 more added
- Sold out
- 52
- 67 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Next Century Growth Investors LLC | 477,482 | $26.1M | 2.84% | +34,540+7.8% | Added |
| American Century Companies Inc | 486,956 | $26.7M | 0.02% | +355,755+271.2% | Added |
| Morgan Stanley | 513,797 | $28.1M | 0.00% | −77,547−13.1% | Reduced |
| Bellevue Group AG | 536,737 | $29.4M | 0.47% | −75,876−12.4% | Reduced |
| Marshall Wace, LLP | 577,153 | $31.6M | 0.07% | +577,153 | New |
| First Light Asset Management, LLC | 618,100 | $33.8M | 3.21% | +240,636+63.8% | Added |
| Geode Capital Management, LLC | 665,923 | $36.5M | 0.00% | +23,272+3.6% | Added |
| Lord, Abbett & Co. LLC | 673,094 | $36.9M | 0.14% | −1,196,645−64.0% | Reduced |
| Sandhill Capital Partners LLC | 732,610 | $40.1M | 3.75% | −80,234−9.9% | Reduced |
| ArrowMark Colorado Holdings LLC | 743,040 | $40.7M | 0.50% | +622,892+518.4% | Added |
| Bank of New York Mellon Corp | 760,099 | $41.6M | 0.01% | +363,012+91.4% | Added |
| State Street Corp | 786,794 | $43.1M | 0.00% | +5,650+0.7% | Added |
| Eventide Asset Management, LLC | 925,356 | $50.7M | 0.91% | +857,895+1,271.7% | Added |
| Driehaus Capital Management LLC | 1,000,912 | $54.8M | 0.71% | −161,302−13.9% | Reduced |
| Credit Suisse AG | 1,131,903 | $62.0M | 0.07% | +344,635+43.8% | Added |
| Invesco Ltd. | 1,253,419 | $68.6M | 0.02% | −25,946−2.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,271,643 | $69.6M | 0.12% | −22,787−1.8% | Reduced |
| Fred Alger Management, LLC | 1,574,603 | $86.2M | 0.50% | −74,905−4.5% | Reduced |
| Macquarie Group Ltd | 1,710,851 | $93.7M | 0.12% | +16,685+1.0% | Added |
| Vanguard Group Inc | 1,814,442 | $99.3M | 0.00% | +29,798+1.7% | Added |
| BlackRock Inc. | 2,449,330 | $134.1M | 0.00% | +139,937+6.1% | Added |
| FMR LLC | 4,714,870 | $258.1M | 0.02% | +1,407,171+42.5% | Added |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −671,716−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −321,975−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −180,000−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −132,535−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −83,502−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −74,200−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −61,743−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −61,343−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −59,760−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −42,081−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −38,974−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −38,846−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −38,800−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −34,470−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −27,208−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −18,727−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −17,599−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −13,813−100.0% | Sold out |
| Apeiron Capital Ltd | 0 | $0 | 0.00% | −11,554−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,552−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −9,023−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −7,871−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −8,533−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −6,759−100.0% | Sold out |
| Petra Financial Advisors Inc | 0 | $0 | 0.00% | −6,622−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −5,538−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −5,144−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −5,022−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −4,644−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −4,236−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −4,126−100.0% | Sold out |
| Moran Wealth Management, LLC | 0 | $0 | 0.00% | −3,981−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −3,660−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −3,867−100.0% | Sold out |
| NinePointTwo Capital | 0 | $0 | 0.00% | −3,393−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −3,257−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −3,070−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −2,658−100.0% | Sold out |
| Cim Investment Mangement Inc | 0 | $0 | 0.00% | −2,516−100.0% | Sold out |
| Koshinski Asset Management, Inc. | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −2,394−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −1,018−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −834−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −579−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Foster Dykema Cabot & Co Inc | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Impact Partnership Wealth, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Pictet Asset Management SA | – | – | – | – | Not filed |