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 2024
Institutional positions in TransMedics Group, Inc. as of Dec 31, 2024. 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
- 315
- −51 vs. Q3 2024
- Shares held
- 36.9M
- +417.8K (+1.1%) vs. Q3 2024
- Total value
- $2.30B
- −$3.42B (−59.8%) vs. Q3 2024
- New holders
- 74
- 131 more added
- Sold out
- 125
- 84 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Liontrust Investment Partners LLP | 596,401 | $37.2M | 0.54% | +565,258+1,815.0% | Added |
| Eventide Asset Management, LLC | 677,702 | $42.2M | 0.77% | −12,930−1.9% | Reduced |
| Invesco Ltd. | 678,628 | $42.3M | 0.01% | −415,453−38.0% | Reduced |
| Driehaus Capital Management LLC | 760,841 | $47.4M | 0.39% | −681,366−47.2% | Reduced |
| Geode Capital Management, LLC | 772,744 | $48.2M | 0.00% | +8,954+1.2% | Added |
| Mackenzie Financial Corp | 828,147 | $51.6M | 0.07% | +349,403+73.0% | Added |
| UBS Asset Management Americas Inc | 903,086 | $56.3M | 0.01% | +558,474+162.1% | Added |
| Braidwell LP | 922,100 | $57.5M | 1.70% | +922,100 | New |
| Macquarie Group Ltd | 992,500 | $61.9M | 0.08% | +96,389+10.8% | Added |
| FIL Ltd | 1,000,358 | $62.4M | 0.06% | +218,961+28.0% | Added |
| State Street Corp | 1,361,259 | $84.9M | 0.00% | +88,128+6.9% | Added |
| Vanguard Group Inc | 3,635,919 | $226.7M | 0.00% | +40,860+1.1% | Added |
| FMR LLC | 4,007,447 | $249.9M | 0.01% | +1,875,101+87.9% | Added |
| BlackRock, Inc. | 5,228,187 | $326.0M | 0.01% | −79,572−1.5% | Reduced |
| RiverPark Advisors, LLC | 293 | – | – | −3,404−92.1% | Reduced |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −809,135−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −456,522−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −455,445−100.0% | Sold out |
| Hood River Capital Management LLC | 0 | $0 | 0.00% | −344,551−100.0% | Sold out |
| Next Century Growth Investors LLC | 0 | $0 | 0.00% | −263,645−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −168,690−100.0% | Sold out |
| First Turn Management, LLC | 0 | $0 | 0.00% | −114,247−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −111,799−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −99,478−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −87,390−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −78,673−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −75,006−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −74,625−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −70,689−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −61,817−100.0% | Sold out |
| WCM Investment Management, LLC | 0 | $0 | 0.00% | −54,795−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −49,170−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −47,145−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −44,000−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −42,400−100.0% | Sold out |
| Osterweis Capital Management Inc | 0 | $0 | 0.00% | −38,835−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −35,905−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −29,642−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −27,602−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −27,175−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −27,100−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −25,733−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −21,405−100.0% | Sold out |
| EFG Asset Management (North America) Corp. | 0 | $0 | 0.00% | −20,705−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −20,347−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −19,738−100.0% | Sold out |
| Options Solutions, LLC | 0 | $0 | 0.00% | −18,676−100.0% | Sold out |
| Oak Ridge Investments LLC | 0 | $0 | 0.00% | −17,327−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −16,987−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −15,500−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −14,155−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −10,866−100.0% | Sold out |
| O'Neil Global Advisors, Inc. | 0 | $0 | 0.00% | −10,812−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −10,550−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −10,471−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −10,441−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −10,391−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −10,236−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −10,216−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −9,477−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −9,278−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −9,227−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −8,964−100.0% | Sold out |
| Congress Wealth Management LLC | 0 | $0 | 0.00% | −8,743−100.0% | Sold out |
| Clough Capital Partners L P | 0 | $0 | 0.00% | −8,705−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −7,864−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −7,364−100.0% | Sold out |
| Wakefield Asset Management LLLP | 0 | $0 | 0.00% | −6,859−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −6,802−100.0% | Sold out |
| B. Metzler seel. Sohn & Co. AG | 0 | $0 | 0.00% | −6,744−100.0% | Sold out |
| Courier Capital LLC | 0 | $0 | 0.00% | −6,655−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −5,411−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −5,155−100.0% | Sold out |
| Matisse Capital | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| HighPoint Advisor Group LLC | 0 | $0 | 0.00% | −9,186−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −4,343−100.0% | Sold out |
| Intrust Bank NA | 0 | $0 | 0.00% | −4,339−100.0% | Sold out |
| Lakeview Capital Partners, LLC | 0 | $0 | 0.00% | −4,030−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −3,847−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −3,534−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −3,489−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −3,429−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −2,890−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −2,778−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −2,752−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −2,686−100.0% | Sold out |
| Yarbrough Capital, LLC | 0 | $0 | 0.00% | −2,541−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −2,492−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −2,443−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −2,344−100.0% | Sold out |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −2,326−100.0% | Sold out |
| Darden Wealth Group Inc | 0 | $0 | 0.00% | −2,315−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,248−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −2,200−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −2,145−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −2,130−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −2,116−100.0% | Sold out |