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 |
|---|---|---|---|---|---|
| Meridian Wealth Management, LLC | 1,679 | $204.3K | 0.01% | +1,679 | New |
| 49 Wealth Management, LLC | 1,677 | $204.0K | 0.02% | +1,677 | New |
| Advisors Asset Management, Inc. | 1,656 | $201.5K | 0.00% | +1,656 | New |
| Walleye Capital LLC | 1,652 | $201.0K | 0.00% | +1,652 | New |
| Pacer Advisors, Inc. | 1,330 | $161.8K | 0.00% | +1,330 | New |
| Walleye Trading LLC | 1,200 | $146.0K | 0.00% | −78−6.1% | Reduced |
| Smartleaf Asset Management LLC | 1,194 | $145.6K | 0.01% | +515+75.8% | Added |
| Arcadia Investment Management Corp | 1,155 | $140.5K | 0.02% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,066 | $129.7K | 0.00% | +504+89.7% | Added |
| China Universal Asset Management Co., Ltd. | 1,000 | $121.7K | 0.01% | 00.0% | Unchanged |
| KBC Group NV | 970 | $118.0K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 825 | $100.4K | 0.02% | +825 | New |
| State of Wyoming | 824 | $100.2K | 0.01% | +141+20.6% | Added |
| CWM, LLC | 779 | $95.0K | 0.00% | −118−13.2% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 772 | $93.9K | 0.01% | +772 | New |
| First Horizon Corp | 702 | $85.4K | 0.00% | +320+83.8% | Added |
| Morse Asset Management, Inc | 686 | $83.5K | 0.02% | +686 | New |
| RiverPark Advisors, LLC | 684 | $83.2K | 0.02% | +298+77.2% | Added |
| Eurizon Capital SGR S.p.A. | 655 | $79.8K | 0.00% | +655 | New |
| TD Waterhouse Canada Inc. | 601 | $73.1K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 593 | $72.1K | 0.00% | +33+5.9% | Added |
| US Bancorp | 573 | $69.7K | 0.00% | +40+7.5% | Added |
| Central Trust Co | 550 | $66.9K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 515 | $62.6K | 0.00% | +21+4.3% | Added |
| Flagship Harbor Advisors, LLC | 504 | $61.3K | 0.00% | +504 | New |
| Ancora Advisors, LLC | 500 | $60.8K | 0.00% | 00.0% | Unchanged |
| Atlas Capital Advisors LLC | 500 | $60.8K | 0.01% | +500 | New |
| Signaturefd, LLC | 479 | $58.3K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 478 | $58.1K | 0.00% | −119−19.9% | Reduced |
| Adirondack Trust Co | 460 | $56.0K | 0.02% | 00.0% | Unchanged |
| Fifth Third Bancorp | 439 | $53.4K | 0.00% | +182+70.8% | Added |
| Rakuten Securities, Inc. | 422 | $51.3K | 0.02% | −20−4.5% | Reduced |
| Toth Financial Advisory Corp | 400 | $48.7K | 0.01% | +400 | New |
| Oakworth Capital, Inc. | 372 | $45.3K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 366 | $44.5K | 0.00% | +37+11.2% | Added |
| Sound Income Strategies, LLC | 282 | $40.4K | 0.00% | +73+34.9% | Added |
| Titan Wealth (CI) Ltd | 325 | $39.6K | 0.02% | +325 | New |
| Hantz Financial Services, Inc. | 311 | $38.0K | 0.00% | +206+196.2% | Added |
| LOM Asset Management Ltd | 300 | $36.5K | 0.01% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 300 | $36.5K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 280 | $34.1K | 0.00% | +83+42.1% | Added |
| Three Bearings Fiduciary Advisors, Inc. | 250 | $33.5K | 0.03% | +250 | New |
| Allworth Financial LP | 275 | $33.5K | 0.00% | +10+3.8% | Added |
| Harvest Fund Management Co., Ltd | 255 | $31.0K | 0.00% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 241 | $30.4K | 0.00% | −4−1.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 218 | $28.9K | 0.00% | −9−4.0% | Reduced |
| Sterling Capital Management LLC | 222 | $27.0K | 0.00% | +141+174.1% | Added |
| ORG Partners LLC | 222 | $27.0K | 0.00% | +27+13.8% | Added |
| Rockefeller Capital Management L.P. | 199 | $24.2K | 0.00% | −2,043−91.1% | Reduced |
| Leonteq Securities AG | 198 | $24.1K | 0.00% | −579−74.5% | Reduced |
| GWM Advisors LLC | 195 | $23.7K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 182 | $22.1K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 172 | $20.9K | 0.00% | −5−2.8% | Reduced |
| Atlantic Union Bankshares Corp | 164 | $20.0K | 0.00% | +164 | New |
| Massmutual Trust Co FSB | 160 | $19.5K | 0.00% | 00.0% | Unchanged |
| Chilton Capital Management LLC | 150 | $18.2K | 0.00% | 00.0% | Unchanged |
| Maseco LLP | 141 | $17.2K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 137 | $16.7K | 0.00% | +75+121.0% | Added |
| CoreCap Advisors, LLC | 125 | $15.2K | 0.00% | +125 | New |
| Trust Co of Vermont | 110 | $13.4K | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 107 | $13.0K | 0.00% | +107 | New |
| Covestor Ltd | 106 | $13.0K | 0.01% | 00.0% | Unchanged |
| Danske Bank A/S | 100 | $12.2K | 0.00% | 00.0% | Unchanged |
| City State Bank | 100 | $12.2K | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 100 | $12.2K | 0.00% | +100 | New |
| Greenline Wealth Management LLC | 99 | $12.1K | 0.01% | +99 | New |
| Quarry LP | 98 | $11.9K | 0.00% | −861−89.8% | Reduced |
| Parkside Financial Bank & Trust | 94 | $11.4K | 0.00% | +13+16.0% | Added |
| Asset Dedication, LLC | 92 | $11.2K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 85 | $10.3K | 0.00% | +28+49.1% | Added |
| Golden State Wealth Management, LLC | 82 | $9.98K | 0.00% | +62+310.0% | Added |
| CWM Advisors, LLC | 79 | $9.67K | 0.00% | +79 | New |
| Brown Brothers Harriman & Co | 75 | $9.12K | 0.00% | +51+212.5% | Added |
| Avalon Trust Co | 75 | $9.12K | 0.00% | +75 | New |
| Harbor Investment Advisory, LLC | 74 | $9.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 69 | $8.39K | 0.00% | −68−49.6% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 69 | $8.39K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 66 | $8.03K | 0.00% | +1+1.5% | Added |
| Optiver Holding B.V. | 57 | $6.93K | 0.00% | −211−78.7% | Reduced |
| Truvestments Capital LLC | 57 | $6.93K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Management Inc. | 54 | $6.57K | 0.01% | +54 | New |
| National Bank of Canada | 52 | $6.32K | 0.00% | −6−10.3% | Reduced |
| Bare Financial Services, Inc | 47 | $5.72K | 0.00% | −4−7.8% | Reduced |
| HighMark Wealth Management LLC | 40 | $4.87K | 0.00% | 00.0% | Unchanged |
| SageView Advisory Group, LLC | 31 | $3.77K | 0.00% | +31 | New |
| LRI Investments, LLC | 29 | $3.54K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 26 | $3.16K | 0.00% | −8−23.5% | Reduced |
| Aster Capital Management (DIFC) Ltd | 23 | $2.80K | 0.00% | −13−36.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 23 | $2.80K | 0.00% | +1+4.5% | Added |
| Prestige Wealth Management Group LLC | 22 | $2.68K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 22 | $2.68K | 0.00% | +17+340.0% | Added |
| Farmers & Merchants Investments Inc | 20 | $2.43K | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 19 | $2.31K | 0.00% | +19 | New |
| Assetmark, Inc | 19 | $2.31K | 0.00% | +6+46.2% | Added |
| Wolff Wiese Magana LLC | 17 | $2.07K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 14 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 16 | $1.95K | 0.00% | +4+33.3% | Added |
| Larson Financial Group LLC | 16 | $1.95K | 0.00% | +8+100.0% | Added |
| South State Corp. | 15 | $1.82K | 0.00% | +15 | New |
| Highline Wealth Partners LLC | 13 | $1.58K | 0.00% | 00.0% | Unchanged |