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, Q1 2025
Institutional positions in TransMedics Group, Inc. as of Mar 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
- 298
- −13 vs. Q4 2024
- Shares held
- 39.1M
- +2.29M (+6.2%) vs. Q4 2024
- Total value
- $2.63B
- +$336.1M (+14.7%) vs. Q4 2024
- New holders
- 51
- 121 more added
- Sold out
- 64
- 91 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wolverine Trading, LLC | 21,541 | $1.48M | 0.05% | −15,578−42.0% | Reduced |
| Two Sigma Investments, LP | 22,705 | $1.53M | 0.00% | +10,182+81.3% | Added |
| GF Fund Management Co. Ltd. | 23,035 | $1.55M | 0.04% | 00.0% | Unchanged |
| GWM Advisors LLC | 23,292 | $1.57M | 0.01% | −1,343−5.5% | Reduced |
| Envestnet Asset Management Inc | 23,365 | $1.57M | 0.00% | −61,007−72.3% | Reduced |
| Credit Agricole S A | 24,079 | $1.62M | 0.01% | +12,929+116.0% | Added |
| Voloridge Investment Management, LLC | 24,398 | $1.64M | 0.01% | −270,150−91.7% | Reduced |
| Thrivent Financial for Lutherans | 24,652 | $1.66M | 0.00% | −1,290−5.0% | Reduced |
| State of New Jersey Common Pension Fund D | 25,084 | $1.69M | 0.01% | −232−0.9% | Reduced |
| Royal Bank of Canada | 26,582 | $1.79M | 0.00% | +8,604+47.9% | Added |
| Intech Investment Management LLC | 26,676 | $1.79M | 0.02% | −459−1.7% | Reduced |
| Lisanti Capital Growth, LLC | 28,870 | $1.94M | 0.58% | +28,870 | New |
| California State Teachers Retirement System | 30,518 | $2.05M | 0.00% | −638−2.0% | Reduced |
| Graham Capital Management, L.P. | 30,570 | $2.06M | 0.07% | −386−1.2% | Reduced |
| Taylor Frigon Capital Management LLC | 31,540 | $2.12M | 1.26% | +6,922+28.1% | Added |
| Winton Group Ltd | 32,740 | $2.20M | 0.13% | +15,351+88.3% | Added |
| Aquatic Capital Management LLC | 33,290 | $2.24M | 0.06% | −9,859−22.8% | Reduced |
| Trillium Asset Management, LLC | 35,389 | $2.38M | 0.07% | +2,442+7.4% | Added |
| ArrowMark Colorado Holdings LLC | 35,625 | $2.40M | 0.04% | −241,795−87.2% | Reduced |
| Prudential Financial Inc | 32,866 | $2.64M | 0.00% | −1,190−3.5% | Reduced |
| Norges Bank | 40,274 | $2.71M | 0.00% | −326,387−89.0% | Reduced |
| Alliancebernstein L.P. | 40,780 | $2.74M | 0.00% | +208+0.5% | Added |
| Lazard Asset Management LLC | 45,865 | $3.08M | 0.00% | −131−0.3% | Reduced |
| SEI Investments Co | 46,727 | $3.14M | 0.00% | +26,461+130.6% | Added |
| DnB Asset Management AS | 46,877 | $3.15M | 0.01% | +16,662+55.1% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 47,309 | $3.18M | 0.00% | +24,200+104.7% | Added |
| Portolan Capital Management, LLC | 47,536 | $3.20M | 0.24% | +47,536 | New |
| Bullseye Asset Management LLC | 47,754 | $3.21M | 1.74% | 00.0% | Unchanged |
| Citigroup Inc | 48,287 | $3.25M | 0.00% | +2,486+5.4% | Added |
| F/M Investments LLC | 51,867 | $3.49M | 0.14% | +979+1.9% | Added |
| Janus Henderson Group PLC | 56,479 | $3.87M | 0.00% | +41,016+265.3% | Added |
| Biondo Investment Advisors, LLC | 58,070 | $3.91M | 0.55% | +4,620+8.6% | Added |
| Swiss National Bank | 65,000 | $4.37M | 0.00% | −600−0.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 65,574 | $4.41M | 0.01% | −677−1.0% | Reduced |
| Peregrine Capital Management LLC | 68,390 | $4.60M | 0.15% | +2,250+3.4% | Added |
| Squarepoint Ops LLC | 69,109 | $4.65M | 0.01% | −113,705−62.2% | Reduced |
| Davidson Kempner Capital Management LP | 69,200 | $4.66M | 0.07% | +69,200 | New |
| Blair William & Co | 74,995 | $5.05M | 0.02% | −105,569−58.5% | Reduced |
| Oppenheimer & Co Inc | 78,002 | $5.25M | 0.08% | +14,578+23.0% | Added |
| Nuveen, LLC | 88,096 | $5.93M | 0.00% | +88,096 | New |
| Rhumbline Advisers | 89,524 | $6.02M | 0.01% | −537−0.6% | Reduced |
| Susquehanna International Group, LLP | 91,004 | $6.12M | 0.01% | −129,600−58.7% | Reduced |
| Legal & General Group Plc | 92,673 | $6.24M | 0.00% | −2,866−3.0% | Reduced |
| Ameriprise Financial Inc | 98,758 | $6.64M | 0.00% | +873+0.9% | Added |
| Eagle Health Investments LP | 100,661 | $6.77M | 1.76% | +82,600+457.3% | Added |
| Lagoda Investment Management, L.P. | 101,810 | $6.85M | 4.36% | +27,950+37.8% | Added |
| Tudor Investment Corp Et Al | 104,826 | $7.05M | 0.06% | +104,826 | New |
| Public Sector Pension Investment Board | 106,480 | $7.16M | 0.03% | +22,894+27.4% | Added |
| Ensign Peak Advisors, Inc | 107,618 | $7.24M | 0.01% | −7,168−6.2% | Reduced |
| First Light Asset Management, LLC | 107,860 | $7.26M | 0.83% | −31,897−22.8% | Reduced |
| State of Michigan Retirement System | 108,000 | $7.27M | 0.04% | 00.0% | Unchanged |
| Divisadero Street Capital Management, LP | 113,871 | $7.66M | 0.88% | −44,609−28.1% | Reduced |
| Frontier Capital Management Co LLC | 134,600 | $9.06M | 0.10% | −16,410−10.9% | Reduced |
| Price T Rowe Associates Inc | 135,698 | $9.13M | 0.00% | −122,947−47.5% | Reduced |
| New York State Common Retirement Fund | 141,838 | $9.54M | 0.01% | +69,523+96.1% | Added |
| Raymond James Financial Inc | 145,393 | $9.78M | 0.00% | +83,722+135.8% | Added |
| Marshall Wace, LLP | 152,447 | $10.3M | 0.01% | +152,447 | New |
| Montanaro Asset Management Ltd | 153,675 | $10.3M | 3.03% | +13,640+9.7% | Added |
| Deutsche Bank AG | 168,461 | $11.3M | 0.00% | −6,363−3.6% | Reduced |
| Bellevue Group AG | 173,710 | $11.7M | 0.26% | −19,008−9.9% | Reduced |
| Bank of Montreal | 177,695 | $12.0M | 0.01% | +95,238+115.5% | Added |
| Principal Financial Group Inc | 198,427 | $13.4M | 0.01% | +5,480+2.8% | Added |
| Bank of New York Mellon Corp | 209,677 | $14.1M | 0.00% | −143,585−40.6% | Reduced |
| Barclays PLC | 212,498 | $14.3M | 0.01% | −13,905−6.1% | Reduced |
| Jane Street Group, LLC | 212,945 | $14.3M | 0.03% | +161,119+310.9% | Added |
| Wells Fargo & Company | 213,270 | $14.3M | 0.00% | +43,792+25.8% | Added |
| Capital World Investors | 227,441 | $15.3M | 0.00% | +227,441 | New |
| Capital Fund Management S.A. | 252,294 | $17.0M | 0.22% | +126,414+100.4% | Added |
| Baillie Gifford & Co | 259,677 | $17.5M | 0.02% | −10,159−3.8% | Reduced |
| Emerald Mutual Fund Advisers Trust | 262,571 | $17.7M | 1.25% | +43,296+19.7% | Added |
| Bank of America Corp | 278,780 | $18.8M | 0.00% | +156,833+128.6% | Added |
| Wellington Management Group LLP | 290,616 | $19.6M | 0.00% | +126,185+76.7% | Added |
| Royce & Associates LP | 297,200 | $20.0M | 0.22% | +20.0% | Added |
| Charles Schwab Investment Management Inc | 304,367 | $20.5M | 0.00% | +6,934+2.3% | Added |
| Dimensional Fund Advisors LP | 327,634 | $22.0M | 0.01% | +57,809+21.4% | Added |
| Northern Trust Corp | 361,963 | $24.4M | 0.00% | +7,341+2.1% | Added |
| JPMorgan Chase & Co | 412,497 | $27.8M | 0.00% | +155,671+60.6% | Added |
| Invesco Ltd. | 444,063 | $29.9M | 0.01% | −234,565−34.6% | Reduced |
| Wasatch Advisors Inc | 453,285 | $30.5M | 0.17% | +11,931+2.7% | Added |
| Emerald Advisers, LLC | 454,794 | $30.6M | 1.38% | +83,083+22.4% | Added |
| Brown Capital Management LLC | 468,123 | $31.5M | 0.95% | +468,123 | New |
| Goldman Sachs Group Inc | 507,510 | $34.1M | 0.01% | +86,721+20.6% | Added |
| Liontrust Investment Partners LLP | 554,357 | $37.3M | 0.58% | −42,044−7.0% | Reduced |
| Morgan Stanley | 599,060 | $40.3M | 0.00% | +144,622+31.8% | Added |
| Citadel Advisors LLC | 609,689 | $41.0M | 0.04% | +376,755+161.7% | Added |
| Eventide Asset Management, LLC | 677,981 | $45.6M | 0.91% | +2790.0% | Added |
| UBS Group AG | 741,335 | $49.9M | 0.01% | +151,093+25.6% | Added |
| Driehaus Capital Management LLC | 778,754 | $52.4M | 0.51% | +17,913+2.4% | Added |
| Geode Capital Management, LLC | 793,409 | $53.4M | 0.00% | +20,665+2.7% | Added |
| Hood River Capital Management LLC | 795,771 | $53.5M | 0.91% | +795,771 | New |
| Braidwell LP | 854,884 | $57.5M | 2.02% | −67,216−7.3% | Reduced |
| Macquarie Group Ltd | 1,115,596 | $75.1M | 0.09% | +123,096+12.4% | Added |
| FIL Ltd | 1,225,973 | $82.5M | 0.08% | +225,615+22.6% | Added |
| State Street Corp | 1,306,535 | $87.9M | 0.00% | −54,724−4.0% | Reduced |
| UBS Asset Management Americas Inc | 3,113,082 | $209.4M | 0.05% | +2,209,996+244.7% | Added |
| Vanguard Group Inc | 3,574,996 | $240.5M | 0.00% | −60,923−1.7% | Reduced |
| FMR LLC | 4,998,009 | $336.3M | 0.02% | +990,562+24.7% | Added |
| BlackRock, Inc. | 5,248,129 | $353.1M | 0.01% | +19,942+0.4% | Added |
| Proequities, Inc. | 0 | $0 | 0.00% | −408−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −828,147−100.0% | Sold out |