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 |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 7,830 | $1.05M | 0.00% | −535−6.4% | Reduced |
| Gladstone Institutional Advisory LLC | 7,884 | $1.06M | 0.04% | +25+0.3% | Added |
| Russell Investments Group, Ltd. | 7,901 | $1.06M | 0.00% | +938+13.5% | Added |
| Fox Run Management, L.L.C. | 8,203 | $1.10M | 0.18% | +8,203 | New |
| State Board of Administration of Florida Retirement System | 8,248 | $1.11M | 0.00% | +495+6.4% | Added |
| Stifel Financial Corp | 8,492 | $1.14M | 0.00% | −907−9.6% | Reduced |
| MML Investors Services, LLC | 8,598 | $1.15M | 0.00% | +1,792+26.3% | Added |
| Pathstone Holdings, LLC | 8,653 | $1.16M | 0.00% | −1,619−15.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,687 | $1.16M | 0.01% | +655+8.2% | Added |
| Wakefield Asset Management LLLP | 8,796 | $1.18M | 0.33% | +8,796 | New |
| Quadrature Capital Ltd | 8,907 | $1.19M | 0.02% | +8,907 | New |
| Financial Engines Advisors L.L.C. | 8,987 | $1.20M | 0.00% | +8,987 | New |
| Voya Investment Management LLC | 9,104 | $1.22M | 0.00% | +286+3.2% | Added |
| Arizona State Retirement System | 9,330 | $1.25M | 0.01% | −263−2.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,345 | $1.25M | 0.00% | +126+1.4% | Added |
| Amalgamated Bank | 9,586 | $1.28M | 0.01% | +80+0.8% | Added |
| Valmark Advisers, Inc. | 9,709 | $1.30M | 0.02% | +2,496+34.6% | Added |
| Handelsbanken Fonder AB | 9,800 | $1.31M | 0.00% | −100−1.0% | Reduced |
| DnB Asset Management AS | 9,904 | $1.33M | 0.01% | −36,973−78.9% | Reduced |
| Maryland State Retirement & Pension System | 9,943 | $1.33M | 0.03% | +185+1.9% | Added |
| Militia Capital Partners, LP | 10,000 | $1.34M | 0.63% | +10,000 | New |
| Teachers Retirement System of the State of Kentucky | 10,296 | $1.38M | 0.01% | −774−7.0% | Reduced |
| Brevan Howard Capital Management LP | 10,351 | $1.39M | 0.02% | +10,351 | New |
| Public Employees Retirement System of Ohio | 11,023 | $1.48M | 0.00% | 00.0% | Unchanged |
| Semanteon Capital Management, LP | 11,231 | $1.51M | 2.27% | +11,231 | New |
| GWM Advisors LLC | 11,312 | $1.52M | 0.01% | −11,980−51.4% | Reduced |
| Polen Capital Management LLC | 11,385 | $1.53M | 0.00% | +11,385 | New |
| Mariner, LLC | 11,498 | $1.54M | 0.00% | −1,728−13.1% | Reduced |
| Los Angeles Capital Management LLC | 11,999 | $1.61M | 0.01% | +11,999 | New |
| HB Wealth Management, LLC | 12,056 | $1.62M | 0.01% | +1,429+13.4% | Added |
| D.A. Davidson & Co. | 12,405 | $1.66M | 0.01% | −519−4.0% | Reduced |
| Campbell Newman Asset Management Inc | 12,443 | $1.67M | 0.13% | +824+7.1% | Added |
| Yousif Capital Management, LLC | 12,908 | $1.73M | 0.02% | +277+2.2% | Added |
| Algert Global LLC | 13,184 | $1.77M | 0.04% | −490−3.6% | Reduced |
| Virtu Financial LLC | 13,238 | $1.77M | 0.09% | +13,238 | New |
| Winton Group Ltd | 13,373 | $1.79M | 0.09% | −19,367−59.2% | Reduced |
| Dana Investment Advisors, Inc. | 13,548 | $1.82M | 0.06% | −7,882−36.8% | Reduced |
| State of Tennessee, Treasury Department | 14,286 | $1.91M | 0.01% | +6,018+72.8% | Added |
| Comerica Bank | 14,583 | $1.95M | 0.01% | −7,250−33.2% | Reduced |
| Natixis Advisors, L.P. | 14,815 | $1.99M | 0.00% | +14,815 | New |
| Franklin Resources Inc | 14,842 | $1.99M | 0.00% | +148+1.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 15,128 | $2.03M | 0.01% | +3,436+29.4% | Added |
| State of New Jersey Common Pension Fund D | 15,270 | $2.05M | 0.01% | −9,814−39.1% | Reduced |
| XTX Topco Ltd | 15,698 | $2.10M | 0.09% | −3,644−18.8% | Reduced |
| Louisiana State Employees Retirement System | 15,800 | $2.12M | 0.04% | 00.0% | Unchanged |
| Simplex Trading, LLC | 16,149 | $2.16M | 0.06% | −492−3.0% | Reduced |
| Manufacturers Life Insurance Company, The | 16,394 | $2.20M | 0.00% | −1,202−6.8% | Reduced |
| Nisa Investment Advisors, LLC | 17,510 | $2.35M | 0.01% | +1,686+10.7% | Added |
| Janus Henderson Group PLC | 18,095 | $2.42M | 0.00% | −38,384−68.0% | Reduced |
| Penserra Capital Management LLC | 18,090 | $2.42M | 0.03% | +18,090 | New |
| Lazard Asset Management LLC | 18,579 | $2.49M | 0.00% | −27,286−59.5% | Reduced |
| Creative Planning | 18,597 | $2.49M | 0.00% | +6,999+60.3% | Added |
| Commonwealth Equity Services, LLC | 18,664 | $2.50M | 0.00% | +4,575+32.5% | Added |
| HighTower Advisors, LLC | 19,146 | $2.57M | 0.00% | +889+4.9% | Added |
| Perigon Wealth Management, LLC | 19,206 | $2.57M | 0.06% | +386+2.1% | Added |
| MetLife Investment Management | 19,764 | $2.65M | 0.02% | +401+2.1% | Added |
| State of Alaska, Department of Revenue | 20,146 | $2.70M | 0.03% | +1,549+8.3% | Added |
| Baird Financial Group, Inc. | 20,472 | $2.74M | 0.00% | +20,472 | New |
| Graham Capital Management, L.P. | 20,613 | $2.76M | 0.08% | −9,957−32.6% | Reduced |
| Taylor Frigon Capital Management LLC | 21,071 | $2.82M | 1.50% | −10,469−33.2% | Reduced |
| Advisor Group Holdings, Inc. | 21,116 | $2.83M | 0.01% | +6,899+48.5% | Added |
| Beaconlight Capital, LLC | 21,524 | $2.88M | 1.69% | +21,524 | New |
| Jump Financial, LLC | 21,800 | $2.92M | 0.04% | +21,800 | New |
| GF Fund Management Co. Ltd. | 21,894 | $2.93M | 0.06% | −1,141−5.0% | Reduced |
| LPL Financial LLC | 22,356 | $3.00M | 0.00% | +2,811+14.4% | Added |
| Prudential Financial Inc | 35,951 | $3.01M | 0.00% | +3,085+9.4% | Added |
| Bullseye Asset Management LLC | 24,061 | $3.23M | 1.61% | −23,693−49.6% | Reduced |
| Man Group plc | 24,642 | $3.30M | 0.01% | +24,642 | New |
| Thrivent Financial for Lutherans | 24,879 | $3.33M | 0.01% | +227+0.9% | Added |
| EAM Global Investors LLC | 26,036 | $3.49M | 0.90% | +26,036 | New |
| Capital Fund Management S.A. | 26,130 | $3.50M | 0.04% | −226,164−89.6% | Reduced |
| Envestnet Asset Management Inc | 26,298 | $3.52M | 0.00% | +2,933+12.6% | Added |
| Balyasny Asset Management LLC | 26,857 | $3.60M | 0.01% | +15,382+134.0% | Added |
| New York State Teachers Retirement System | 27,638 | $3.70M | 0.01% | +5,689+25.9% | Added |
| BCJ Capital Management, LLC | 29,255 | $3.92M | 0.26% | +29,255 | New |
| California State Teachers Retirement System | 30,828 | $4.13M | 0.00% | +310+1.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 32,724 | $4.39M | 0.01% | +13,199+67.6% | Added |
| Trillium Asset Management, LLC | 34,034 | $4.56M | 0.12% | −1,355−3.8% | Reduced |
| Intech Investment Management LLC | 34,389 | $4.61M | 0.04% | +7,713+28.9% | Added |
| Lisanti Capital Growth, LLC | 35,130 | $4.71M | 1.30% | +6,260+21.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 36,192 | $4.85M | 0.12% | +36,192 | New |
| Fred Alger Management, LLC | 37,333 | $5.00M | 0.02% | +37,333 | New |
| Divisadero Street Capital Management, LP | 38,390 | $5.14M | 0.34% | −75,481−66.3% | Reduced |
| Verition Fund Management LLC | 39,906 | $5.35M | 0.03% | +27,858+231.2% | Added |
| Susquehanna International Group, LLP | 40,083 | $5.37M | 0.01% | −50,921−56.0% | Reduced |
| Norges Bank | 40,274 | $5.40M | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 40,783 | $5.47M | 0.00% | +30.0% | Added |
| Engineers Gate Manager LP | 41,117 | $5.51M | 0.07% | +28,240+219.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 41,309 | $5.54M | 0.00% | −6,000−12.7% | Reduced |
| SEI Investments Co | 41,817 | $5.60M | 0.01% | −4,910−10.5% | Reduced |
| Twinbeech Capital LP | 42,278 | $5.67M | 0.13% | +27,344+183.1% | Added |
| Wolverine Trading, LLC | 43,593 | $5.73M | 0.15% | +22,052+102.4% | Added |
| Citigroup Inc | 43,371 | $5.81M | 0.00% | −4,916−10.2% | Reduced |
| First Trust Advisors LP | 43,393 | $5.82M | 0.00% | +43,393 | New |
| F/M Investments LLC | 53,328 | $7.15M | 0.26% | +1,461+2.8% | Added |
| Biondo Investment Advisors, LLC | 58,480 | $7.84M | 1.03% | +410+0.7% | Added |
| Peregrine Capital Management LLC | 58,730 | $7.87M | 0.24% | −9,660−14.1% | Reduced |
| Swiss National Bank | 61,100 | $8.19M | 0.00% | −3,900−6.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 61,577 | $8.25M | 0.01% | −3,997−6.1% | Reduced |
| Blair William & Co | 68,487 | $9.18M | 0.03% | −6,508−8.7% | Reduced |