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 2025
Institutional positions in TransMedics Group, Inc. as of Dec 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
- 429
- +45 vs. Q3 2025
- Shares held
- 37.2M
- +139.4K (+0.4%) vs. Q3 2025
- Total value
- $4.53B
- +$368.2M (+8.9%) vs. Q3 2025
- New holders
- 90
- 156 more added
- Sold out
- 45
- 127 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Global Retirement Partners, LLC | 478 | $58.1K | 0.00% | −119−19.9% | Reduced |
| Signaturefd, LLC | 479 | $58.3K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 500 | $60.8K | 0.00% | 00.0% | Unchanged |
| Atlas Capital Advisors LLC | 500 | $60.8K | 0.01% | +500 | New |
| Flagship Harbor Advisors, LLC | 504 | $61.3K | 0.00% | +504 | New |
| EverSource Wealth Advisors, LLC | 515 | $62.6K | 0.00% | +21+4.3% | Added |
| Central Trust Co | 550 | $66.9K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 573 | $69.7K | 0.00% | +40+7.5% | Added |
| Federation des caisses Desjardins du Quebec | 593 | $72.1K | 0.00% | +33+5.9% | Added |
| TD Waterhouse Canada Inc. | 601 | $73.1K | 0.00% | 00.0% | Unchanged |
| Eurizon Capital SGR S.p.A. | 655 | $79.8K | 0.00% | +655 | New |
| RiverPark Advisors, LLC | 684 | $83.2K | 0.02% | +298+77.2% | Added |
| Morse Asset Management, Inc | 686 | $83.5K | 0.02% | +686 | New |
| First Horizon Corp | 702 | $85.4K | 0.00% | +320+83.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 772 | $93.9K | 0.01% | +772 | New |
| CWM, LLC | 779 | $95.0K | 0.00% | −118−13.2% | Reduced |
| State of Wyoming | 824 | $100.2K | 0.01% | +141+20.6% | Added |
| Kemnay Advisory Services Inc. | 825 | $100.4K | 0.02% | +825 | New |
| KBC Group NV | 970 | $118.0K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 1,000 | $121.7K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,066 | $129.7K | 0.00% | +504+89.7% | Added |
| Arcadia Investment Management Corp | 1,155 | $140.5K | 0.02% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 1,194 | $145.6K | 0.01% | +515+75.8% | Added |
| Walleye Trading LLC | 1,200 | $146.0K | 0.00% | −78−6.1% | Reduced |
| Pacer Advisors, Inc. | 1,330 | $161.8K | 0.00% | +1,330 | New |
| Walleye Capital LLC | 1,652 | $201.0K | 0.00% | +1,652 | New |
| Advisors Asset Management, Inc. | 1,656 | $201.5K | 0.00% | +1,656 | New |
| 49 Wealth Management, LLC | 1,677 | $204.0K | 0.02% | +1,677 | New |
| Meridian Wealth Management, LLC | 1,679 | $204.3K | 0.01% | +1,679 | New |
| Captrust Financial Advisors | 1,680 | $204.3K | 0.00% | −185−9.9% | Reduced |
| Sanctuary Advisors, LLC | 1,694 | $206.1K | 0.00% | +1,694 | New |
| Brookstone Capital Management | 1,718 | $209.0K | 0.00% | +1,718 | New |
| EP Wealth Advisors, LLC | 1,728 | $210.2K | 0.00% | +1,728 | New |
| Vontobel Holding Ltd. | 1,744 | $212.2K | 0.00% | +1,744 | New |
| Coldstream Capital Management Inc | 1,747 | $212.5K | 0.00% | +1,747 | New |
| Mangrove Partners | 1,764 | $214.6K | 0.02% | +1,764 | New |
| Advisory Services Network, LLC | 1,765 | $214.7K | 0.00% | −677−27.7% | Reduced |
| Merit Financial Group, LLC | 1,767 | $215.0K | 0.00% | +1,767 | New |
| Van Eck Associates Corp | 1,784 | $217.0K | 0.00% | +538+43.2% | Added |
| STRS Ohio | 1,800 | $219.0K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 1,800 | $219.0K | 0.01% | +4+0.2% | Added |
| Moors & Cabot, Inc. | 1,866 | $227.0K | 0.01% | 00.0% | Unchanged |
| Opal Capital LLC | 1,677 | $228.6K | 0.06% | +1,677 | New |
| GAMMA Investing LLC | 1,891 | $230.0K | 0.01% | +45+2.4% | Added |
| Indivisible Partners | 1,891 | $230.0K | 0.02% | +1,891 | New |
| Venturi Wealth Management, LLC | 1,973 | $240.0K | 0.01% | 00.0% | Unchanged |
| Stansberry Asset Management, LLC | 2,016 | $245.2K | 0.02% | +2,016 | New |
| CAPROCK Group, Inc. | 2,017 | $245.4K | 0.01% | +2,017 | New |
| Prelude Capital Management, LLC | 2,045 | $248.8K | 0.02% | +2,045 | New |
| Havemeyer Place LP | 2,077 | $252.7K | 0.05% | +2,077 | New |
| Mackenzie Financial Corp | 2,086 | $253.8K | 0.00% | 00.0% | Unchanged |
| Bleichroeder LP | 2,100 | $255.5K | 0.04% | +2,100 | New |
| Two Sigma Securities, LLC | 2,123 | $258.3K | 0.04% | +2,123 | New |
| Guidance Capital, Inc | 1,906 | $263.2K | 0.06% | +19+1.0% | Added |
| O'Shaughnessy Asset Management, LLC | 2,207 | $268.5K | 0.00% | +35+1.6% | Added |
| Total Clarity Wealth Management, Inc. | 2,210 | $268.8K | 0.06% | −113−4.9% | Reduced |
| CIBC World Markets Corp | 2,222 | $270.3K | 0.00% | +2,222 | New |
| Integrity Investment Advisors, LLC | 2,230 | $271.3K | 0.15% | −1,192−34.8% | Reduced |
| Gsa Capital Partners LLP | 2,233 | $272.0K | 0.02% | −3,748−62.7% | Reduced |
| Spire Wealth Management | 2,236 | $272.0K | 0.01% | −2,792−55.5% | Reduced |
| Crossmark Global Holdings, Inc. | 2,275 | $276.8K | 0.00% | +88+4.0% | Added |
| JustInvest LLC | 2,336 | $284.2K | 0.00% | +181+8.4% | Added |
| Evergreen Capital Management LLC | 2,356 | $286.6K | 0.01% | −320−12.0% | Reduced |
| Jones Financial Companies LLLP | 2,386 | $290.3K | 0.00% | −27−1.1% | Reduced |
| Dynamic Technology Lab Private Ltd | 2,472 | $301.0K | 0.07% | −459−15.7% | Reduced |
| Truist Financial Corp | 2,476 | $301.2K | 0.00% | +21+0.9% | Added |
| Truefg, LLC | 2,500 | $304.1K | 0.08% | +2,500 | New |
| NBC Securities, Inc. | 2,507 | $305.0K | 0.02% | +1,024+69.0% | Added |
| CenterBook Partners LP | 2,552 | $310.5K | 0.02% | +2,552 | New |
| Occudo Quantitative Strategies LP | 2,577 | $313.5K | 0.02% | −6,229−70.7% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 2,636 | $320.7K | 0.06% | +1,090+70.5% | Added |
| Xponance, Inc. | 2,647 | $322.0K | 0.00% | +35+1.3% | Added |
| Neuberger Berman Group LLC | 2,691 | $327.4K | 0.00% | +362+15.5% | Added |
| Blueshift Asset Management, LLC | 2,691 | $327.4K | 0.09% | +2,691 | New |
| Quantinno Capital Management LP | 2,705 | $329.1K | 0.00% | +2,705 | New |
| Wealth Enhancement Advisory Services, LLC | 2,502 | $331.9K | 0.00% | −100−3.8% | Reduced |
| Catalytic Wealth RIA, LLC | 2,771 | $337.1K | 0.01% | −1,023−27.0% | Reduced |
| Ameritas Investment Partners, Inc. | 2,778 | $337.9K | 0.01% | 00.0% | Unchanged |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 2,796 | $340.1K | 0.13% | +2,129+319.2% | Added |
| Generali Investments, Management Co LLC | 2,878 | $350.1K | 0.07% | +1,669+138.0% | Added |
| CSS LLC | 2,880 | $350.4K | 0.02% | +2,880 | New |
| Phoenix Holdings Ltd. | 2,891 | $351.4K | 0.00% | −3,012−51.0% | Reduced |
| Capstone Investment Advisors, LLC | 2,943 | $358.0K | 0.00% | +599+25.6% | Added |
| M&T Bank Corp | 2,962 | $360.7K | 0.00% | +775+35.4% | Added |
| Swiss Life Asset Management Ltd | 2,998 | $364.7K | 0.00% | +2,998 | New |
| Sugar Maple Asset Management, LLC | 3,000 | $364.9K | 0.25% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 3,084 | $375.2K | 0.00% | +757+32.5% | Added |
| Sava Infond d.o.o. | 3,100 | $377.1K | 0.05% | +1,200+63.2% | Added |
| Summit Global Investments | 3,260 | $397.0K | 0.02% | +112+3.6% | Added |
| SBI Securities Co., Ltd. | 3,307 | $402.3K | 0.01% | −1,344−28.9% | Reduced |
| Massachusetts Financial Services Co | 3,316 | $403.4K | 0.00% | +3,316 | New |
| Jump Financial, LLC | 3,400 | $413.6K | 0.01% | −123,632−97.3% | Reduced |
| Eddie Patel Inc | 3,406 | $414.3K | 0.31% | +3,406 | New |
| Hager Investment Management Services, LLC | 3,456 | $420.4K | 0.23% | +435+14.4% | Added |
| Yorktown Management & Research Co Inc | 3,500 | $425.8K | 0.34% | 00.0% | Unchanged |
| Headlands Technologies LLC | 3,537 | $430.3K | 0.04% | +556+18.7% | Added |
| Public Employees Retirement Association of Colorado | 3,539 | $431.0K | 0.00% | 00.0% | Unchanged |
| First Citizens Bank & Trust Co | 3,569 | $434.2K | 0.01% | +21+0.6% | Added |
| Plan A Wealth LLC | 3,576 | $435.0K | 0.21% | +199+5.9% | Added |
| The PNC Financial Services Group, Inc. | 3,647 | $443.7K | 0.00% | +8+0.2% | Added |