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, Q2 2025
Institutional positions in TransMedics Group, Inc. as of Jun 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
- 368
- +73 vs. Q1 2025
- Shares held
- 36.8M
- −2.24M (−5.7%) vs. Q1 2025
- Total value
- $4.93B
- +$2.30B (+87.6%) vs. Q1 2025
- New holders
- 104
- 117 more added
- Sold out
- 31
- 113 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Man Group plc | 24,642 | $3.30M | 0.01% | +24,642 | New |
| Bullseye Asset Management LLC | 24,061 | $3.23M | 1.61% | −23,693−49.6% | Reduced |
| Prudential Financial Inc | 35,951 | $3.01M | 0.00% | +3,085+9.4% | Added |
| LPL Financial LLC | 22,356 | $3.00M | 0.00% | +2,811+14.4% | Added |
| GF Fund Management Co. Ltd. | 21,894 | $2.93M | 0.06% | −1,141−5.0% | Reduced |
| Jump Financial, LLC | 21,800 | $2.92M | 0.04% | +21,800 | New |
| Beaconlight Capital, LLC | 21,524 | $2.88M | 1.69% | +21,524 | New |
| Advisor Group Holdings, Inc. | 21,116 | $2.83M | 0.01% | +6,899+48.5% | Added |
| Taylor Frigon Capital Management LLC | 21,071 | $2.82M | 1.50% | −10,469−33.2% | Reduced |
| Graham Capital Management, L.P. | 20,613 | $2.76M | 0.08% | −9,957−32.6% | Reduced |
| Baird Financial Group, Inc. | 20,472 | $2.74M | 0.00% | +20,472 | New |
| State of Alaska, Department of Revenue | 20,146 | $2.70M | 0.03% | +1,549+8.3% | Added |
| MetLife Investment Management | 19,764 | $2.65M | 0.02% | +401+2.1% | Added |
| Perigon Wealth Management, LLC | 19,206 | $2.57M | 0.06% | +386+2.1% | Added |
| HighTower Advisors, LLC | 19,146 | $2.57M | 0.00% | +889+4.9% | Added |
| Commonwealth Equity Services, LLC | 18,664 | $2.50M | 0.00% | +4,575+32.5% | Added |
| Creative Planning | 18,597 | $2.49M | 0.00% | +6,999+60.3% | Added |
| Lazard Asset Management LLC | 18,579 | $2.49M | 0.00% | −27,286−59.5% | Reduced |
| Penserra Capital Management LLC | 18,090 | $2.42M | 0.03% | +18,090 | New |
| Janus Henderson Group PLC | 18,095 | $2.42M | 0.00% | −38,384−68.0% | Reduced |
| Nisa Investment Advisors, LLC | 17,510 | $2.35M | 0.01% | +1,686+10.7% | Added |
| Manufacturers Life Insurance Company, The | 16,394 | $2.20M | 0.00% | −1,202−6.8% | Reduced |
| Simplex Trading, LLC | 16,149 | $2.16M | 0.06% | −492−3.0% | Reduced |
| Louisiana State Employees Retirement System | 15,800 | $2.12M | 0.04% | 00.0% | Unchanged |
| XTX Topco Ltd | 15,698 | $2.10M | 0.09% | −3,644−18.8% | Reduced |
| State of New Jersey Common Pension Fund D | 15,270 | $2.05M | 0.01% | −9,814−39.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 15,128 | $2.03M | 0.01% | +3,436+29.4% | Added |
| Franklin Resources Inc | 14,842 | $1.99M | 0.00% | +148+1.0% | Added |
| Natixis Advisors, L.P. | 14,815 | $1.99M | 0.00% | +14,815 | New |
| Comerica Bank | 14,583 | $1.95M | 0.01% | −7,250−33.2% | Reduced |
| State of Tennessee, Treasury Department | 14,286 | $1.91M | 0.01% | +6,018+72.8% | Added |
| Dana Investment Advisors, Inc. | 13,548 | $1.82M | 0.06% | −7,882−36.8% | Reduced |
| Winton Group Ltd | 13,373 | $1.79M | 0.09% | −19,367−59.2% | Reduced |
| Virtu Financial LLC | 13,238 | $1.77M | 0.09% | +13,238 | New |
| Algert Global LLC | 13,184 | $1.77M | 0.04% | −490−3.6% | Reduced |
| Yousif Capital Management, LLC | 12,908 | $1.73M | 0.02% | +277+2.2% | Added |
| Campbell Newman Asset Management Inc | 12,443 | $1.67M | 0.13% | +824+7.1% | Added |
| D.A. Davidson & Co. | 12,405 | $1.66M | 0.01% | −519−4.0% | Reduced |
| HB Wealth Management, LLC | 12,056 | $1.62M | 0.01% | +1,429+13.4% | Added |
| Los Angeles Capital Management LLC | 11,999 | $1.61M | 0.01% | +11,999 | New |
| Mariner, LLC | 11,498 | $1.54M | 0.00% | −1,728−13.1% | Reduced |
| Polen Capital Management LLC | 11,385 | $1.53M | 0.00% | +11,385 | New |
| GWM Advisors LLC | 11,312 | $1.52M | 0.01% | −11,980−51.4% | Reduced |
| Semanteon Capital Management, LP | 11,231 | $1.51M | 2.27% | +11,231 | New |
| Public Employees Retirement System of Ohio | 11,023 | $1.48M | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 10,351 | $1.39M | 0.02% | +10,351 | New |
| Teachers Retirement System of the State of Kentucky | 10,296 | $1.38M | 0.01% | −774−7.0% | Reduced |
| Militia Capital Partners, LP | 10,000 | $1.34M | 0.63% | +10,000 | New |
| Maryland State Retirement & Pension System | 9,943 | $1.33M | 0.03% | +185+1.9% | Added |
| DnB Asset Management AS | 9,904 | $1.33M | 0.01% | −36,973−78.9% | Reduced |
| Handelsbanken Fonder AB | 9,800 | $1.31M | 0.00% | −100−1.0% | Reduced |
| Valmark Advisers, Inc. | 9,709 | $1.30M | 0.02% | +2,496+34.6% | Added |
| Amalgamated Bank | 9,586 | $1.28M | 0.01% | +80+0.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,345 | $1.25M | 0.00% | +126+1.4% | Added |
| Arizona State Retirement System | 9,330 | $1.25M | 0.01% | −263−2.7% | Reduced |
| Voya Investment Management LLC | 9,104 | $1.22M | 0.00% | +286+3.2% | Added |
| Financial Engines Advisors L.L.C. | 8,987 | $1.20M | 0.00% | +8,987 | New |
| Quadrature Capital Ltd | 8,907 | $1.19M | 0.02% | +8,907 | New |
| Wakefield Asset Management LLLP | 8,796 | $1.18M | 0.33% | +8,796 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,687 | $1.16M | 0.01% | +655+8.2% | Added |
| Pathstone Holdings, LLC | 8,653 | $1.16M | 0.00% | −1,619−15.8% | Reduced |
| MML Investors Services, LLC | 8,598 | $1.15M | 0.00% | +1,792+26.3% | Added |
| Stifel Financial Corp | 8,492 | $1.14M | 0.00% | −907−9.6% | Reduced |
| State Board of Administration of Florida Retirement System | 8,248 | $1.11M | 0.00% | +495+6.4% | Added |
| Fox Run Management, L.L.C. | 8,203 | $1.10M | 0.18% | +8,203 | New |
| Russell Investments Group, Ltd. | 7,901 | $1.06M | 0.00% | +938+13.5% | Added |
| Gladstone Institutional Advisory LLC | 7,884 | $1.06M | 0.04% | +25+0.3% | Added |
| Victory Capital Management Inc | 7,830 | $1.05M | 0.00% | −535−6.4% | Reduced |
| Oregon Public Employees Retirement Fund | 7,781 | $1.04M | 0.02% | +98+1.3% | Added |
| Quadrant Capital Group LLC | 7,612 | $1.02M | 0.04% | +184+2.5% | Added |
| ProShare Advisors LLC | 7,601 | $1.02M | 0.00% | −309−3.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,524 | $1.01M | 0.01% | +285+3.9% | Added |
| Henshaw Capital LLC | 7,443 | $997.4K | 0.04% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 7,380 | $989.0K | 0.02% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 7,307 | $979.2K | 0.00% | −61,802−89.4% | Reduced |
| Cornerstone Wealth Management, LLC | 7,212 | $966.5K | 0.06% | +965+15.4% | Added |
| Options Solutions, LLC | 7,072 | $947.7K | 0.34% | +7,072 | New |
| Janney Montgomery Scott LLC | 6,992 | $937.0K | 0.00% | −1,807−20.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 6,775 | $907.9K | 0.01% | +916+15.6% | Added |
| Legato Capital Management LLC | 6,660 | $892.5K | 0.11% | +1,730+35.1% | Added |
| KLP Kapitalforvaltning AS | 6,600 | $884.5K | 0.00% | +200+3.1% | Added |
| Wiley Bros.-Aintree Capital, LLC | 6,584 | $882.3K | 0.01% | −462−6.6% | Reduced |
| Resources Investment Advisors, LLC. | 6,559 | $879.0K | 0.01% | +570+9.5% | Added |
| Abundance Wealth Counselors | 6,326 | $848.0K | 0.16% | −421−6.2% | Reduced |
| Cetera Investment Advisers | 6,325 | $847.6K | 0.00% | +2,292+56.8% | Added |
| Bayesian Capital Management, LP | 6,200 | $830.9K | 0.13% | −5,655−47.7% | Reduced |
| Values First Advisors, Inc. | 6,126 | $821.0K | 0.45% | +489+8.7% | Added |
| Kestra Advisory Services, LLC | 5,981 | $801.5K | 0.00% | +1,430+31.4% | Added |
| Dark Forest Capital Management LP | 5,709 | $765.1K | 0.03% | +5,709 | New |
| Harbour Capital Advisors, LLC | 5,962 | $761.3K | 0.16% | −100−1.6% | Reduced |
| Centiva Capital, LP | 5,627 | $754.1K | 0.05% | +5,627 | New |
| Intrust Bank NA | 5,577 | $747.4K | 0.07% | +5,577 | New |
| SBI Securities Co., Ltd. | 5,487 | $735.3K | 0.02% | +1,803+48.9% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 5,452 | $730.7K | 0.00% | −578−9.6% | Reduced |
| Amundi | 5,526 | $705.6K | 0.00% | +5,526 | New |
| Two Sigma Securities, LLC | 5,257 | $704.5K | 0.09% | +1,864+54.9% | Added |
| Spire Wealth Management | 5,068 | $679.2K | 0.02% | +5,068 | New |
| AQR Capital Management LLC | 4,968 | $665.8K | 0.00% | +4,968 | New |
| Occudo Quantitative Strategies LP | 4,911 | $658.1K | 0.07% | +4,911 | New |
| Teacher Retirement System of Texas | 4,867 | $652.2K | 0.00% | −38−0.8% | Reduced |