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 2025
Institutional positions in TransMedics Group, Inc. as of Sep 30, 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
- 388
- +25 vs. Q2 2025
- Shares held
- 37.1M
- +406.6K (+1.1%) vs. Q2 2025
- Total value
- $4.17B
- −$753.0M (−15.3%) vs. Q2 2025
- New holders
- 75
- 152 more added
- Sold out
- 50
- 120 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TD Waterhouse Canada Inc. | 601 | $69.0K | 0.00% | +126+26.5% | Added |
| Global Retirement Partners, LLC | 597 | $67.0K | 0.00% | +400+203.0% | Added |
| Johnson Financial Group, Inc. | 576 | $64.6K | 0.00% | +576 | New |
| Farther Finance Advisors, LLC | 562 | $63.1K | 0.00% | +281+100.0% | Added |
| Federation des caisses Desjardins du Quebec | 560 | $62.8K | 0.00% | +5+0.9% | Added |
| Central Trust Co | 550 | $61.7K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 533 | $59.8K | 0.00% | +104+24.2% | Added |
| Ancora Advisors, LLC | 500 | $56.1K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 494 | $55.4K | 0.00% | +9+1.9% | Added |
| Signaturefd, LLC | 479 | $53.7K | 0.00% | +3+0.6% | Added |
| Acadian Asset Management LLC | 471 | $52.0K | 0.00% | +471 | New |
| Adirondack Trust Co | 460 | $51.6K | 0.02% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 442 | $49.6K | 0.02% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 386 | $43.3K | 0.02% | −577−59.9% | Reduced |
| First Horizon Corp | 382 | $42.9K | 0.00% | +382 | New |
| Oakworth Capital, Inc. | 372 | $41.7K | 0.00% | 00.0% | Unchanged |
| Pilgrim Partners Asia Pte Ltd | 360 | $40.4K | 0.02% | +360 | New |
| Umb Bank N A | 329 | $36.9K | 0.00% | −20−5.7% | Reduced |
| FNY Investment Advisers, LLC | 305 | $34.0K | 0.01% | +305 | New |
| LOM Asset Management Ltd | 300 | $34.0K | 0.01% | +300 | New |
| Newbridge Financial Services Group, Inc. | 300 | $33.7K | 0.01% | −100−25.0% | Reduced |
| Principal Securities, Inc. | 290 | $32.5K | 0.00% | +271+1,426.3% | Added |
| Optiver Holding B.V. | 268 | $30.1K | 0.00% | +191+248.1% | Added |
| Allworth Financial LP | 265 | $29.7K | 0.00% | +113+74.3% | Added |
| Harvest Fund Management Co., Ltd | 255 | $29.0K | 0.00% | +255 | New |
| Fifth Third Bancorp | 257 | $28.8K | 0.00% | +21+8.9% | Added |
| Salomon & Ludwin, LLC | 245 | $28.3K | 0.00% | +245 | New |
| Bessemer Group Inc | 243 | $27.0K | 0.00% | +70+40.5% | Added |
| Whittier Trust Co of Nevada Inc | 227 | $26.3K | 0.00% | +206+981.0% | Added |
| ISAM Funds (UK) Ltd | 225 | $25.2K | 0.01% | −2,545−91.9% | Reduced |
| Sound Income Strategies, LLC | 209 | $23.6K | 0.00% | −148−41.5% | Reduced |
| Parallel Advisors, LLC | 197 | $22.1K | 0.00% | −7−3.4% | Reduced |
| GWM Advisors LLC | 195 | $21.9K | 0.00% | −11,117−98.3% | Reduced |
| ORG Partners LLC | 195 | $21.9K | 0.00% | +21+12.1% | Added |
| Clearstead Advisors, LLC | 182 | $20.4K | 0.00% | −14−7.1% | Reduced |
| Huntington National Bank | 177 | $19.9K | 0.00% | +9+5.4% | Added |
| Massmutual Trust Co FSB | 160 | $18.0K | 0.00% | −3−1.8% | Reduced |
| Caitong International Asset Management Co., Ltd | 159 | $17.8K | 0.01% | +159 | New |
| Chilton Capital Management LLC | 150 | $16.8K | 0.00% | −150−50.0% | Reduced |
| Maseco LLP | 141 | $15.8K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 137 | $15.4K | 0.00% | +43+45.7% | Added |
| Trust Co of Vermont | 110 | $12.3K | 0.00% | −40−26.7% | Reduced |
| Covestor Ltd | 106 | $12.0K | 0.01% | −68−39.1% | Reduced |
| Hantz Financial Services, Inc. | 105 | $12.0K | 0.00% | +91+650.0% | Added |
| Danske Bank A/S | 100 | $11.2K | 0.00% | 00.0% | Unchanged |
| City State Bank | 100 | $11.2K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 92 | $10.3K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 87 | $9.76K | 0.00% | +87 | New |
| Parkside Financial Bank & Trust | 81 | $9.09K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 81 | $9.09K | 0.00% | +1+1.3% | Added |
| Harbor Investment Advisory, LLC | 74 | $8.30K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 69 | $7.74K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 65 | $7.29K | 0.00% | −17−20.7% | Reduced |
| MCF Advisors LLC | 62 | $6.96K | 0.00% | −78−55.7% | Reduced |
| National Bank of Canada | 58 | $6.50K | 0.00% | −10−14.7% | Reduced |
| Truvestments Capital LLC | 57 | $6.39K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 57 | $6.39K | 0.00% | +41+256.3% | Added |
| Bare Financial Services, Inc | 51 | $5.72K | 0.00% | +18+54.5% | Added |
| HighMark Wealth Management LLC | 40 | $4.49K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 36 | $4.04K | 0.00% | −48−57.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 34 | $3.81K | 0.00% | +23+209.1% | Added |
| LRI Investments, LLC | 29 | $3.26K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 24 | $2.69K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 22 | $2.47K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 22 | $2.47K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 20 | $2.24K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 20 | $2.24K | 0.00% | +20 | New |
| Capital Advisors, Ltd. LLC | 14 | $2.00K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 17 | $1.91K | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 15 | $1.68K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 15 | $1.68K | 0.00% | +15 | New |
| Highline Wealth Partners LLC | 13 | $1.46K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 13 | $1.46K | 0.00% | +9+225.0% | Added |
| Bell Investment Advisors, Inc | 12 | $1.35K | 0.00% | 00.0% | Unchanged |
| High Note Wealth, LLC | 11 | $1.23K | 0.00% | +11 | New |
| Westfuller Advisors, LLC | 9 | $1.05K | 0.00% | +9 | New |
| Bogart Wealth, LLC | 9 | $1.01K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 8 | $899 | 0.00% | +1+14.3% | Added |
| Larson Financial Group LLC | 8 | $898 | 0.00% | −15−65.2% | Reduced |
| TD Private Client Wealth LLC | 5 | $561 | 0.00% | +5 | New |
| Root Financial Partners, LLC | 5 | $561 | 0.00% | +5 | New |
| MAI Capital Management | 4 | $449 | 0.00% | −148−97.4% | Reduced |
| ZRC Wealth Management, LLC | 3 | $337 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 2 | $225 | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 1 | $112 | 0.00% | 00.0% | Unchanged |
| Tortoise Investment Management, LLC | 1 | $112 | 0.00% | +1 | New |
| Cedar Mountain Advisors, LLC | 1 | $112 | 0.00% | +1 | New |
| Hemington Wealth Management | 2 | $0 | 0.00% | +2 | New |
| FIL Ltd | 0 | $0 | 0.00% | −1,055,553−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −523,748−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −139,407−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −42,278−100.0% | Sold out |
| BCJ Capital Management, LLC | 0 | $0 | 0.00% | −29,255−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −26,130−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −26,036−100.0% | Sold out |
| GF Fund Management Co. Ltd. | 0 | $0 | 0.00% | −21,894−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −18,090−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −13,373−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −11,231−100.0% | Sold out |
| Valmark Advisers, Inc. | 0 | $0 | 0.00% | −9,709−100.0% | Sold out |