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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,248,129 | $353.1M | 0.01% | +19,942+0.4% | Added |
| FMR LLC | 4,998,009 | $336.3M | 0.02% | +990,562+24.7% | Added |
| Vanguard Group Inc | 3,574,996 | $240.5M | 0.00% | −60,923−1.7% | Reduced |
| UBS Asset Management Americas Inc | 3,113,082 | $209.4M | 0.05% | +2,209,996+244.7% | Added |
| State Street Corp | 1,306,535 | $87.9M | 0.00% | −54,724−4.0% | Reduced |
| FIL Ltd | 1,225,973 | $82.5M | 0.08% | +225,615+22.6% | Added |
| Macquarie Group Ltd | 1,115,596 | $75.1M | 0.09% | +123,096+12.4% | Added |
| Braidwell LP | 854,884 | $57.5M | 2.02% | −67,216−7.3% | Reduced |
| Hood River Capital Management LLC | 795,771 | $53.5M | 0.91% | +795,771 | New |
| Geode Capital Management, LLC | 793,409 | $53.4M | 0.00% | +20,665+2.7% | Added |
| Driehaus Capital Management LLC | 778,754 | $52.4M | 0.51% | +17,913+2.4% | Added |
| UBS Group AG | 741,335 | $49.9M | 0.01% | +151,093+25.6% | Added |
| Eventide Asset Management, LLC | 677,981 | $45.6M | 0.91% | +2790.0% | Added |
| Citadel Advisors LLC | 609,689 | $41.0M | 0.04% | +376,755+161.7% | Added |
| Morgan Stanley | 599,060 | $40.3M | 0.00% | +144,622+31.8% | Added |
| Liontrust Investment Partners LLP | 554,357 | $37.3M | 0.58% | −42,044−7.0% | Reduced |
| Goldman Sachs Group Inc | 507,510 | $34.1M | 0.01% | +86,721+20.6% | Added |
| Brown Capital Management LLC | 468,123 | $31.5M | 0.95% | +468,123 | New |
| Emerald Advisers, LLC | 454,794 | $30.6M | 1.38% | +83,083+22.4% | Added |
| Wasatch Advisors Inc | 453,285 | $30.5M | 0.17% | +11,931+2.7% | Added |
| Invesco Ltd. | 444,063 | $29.9M | 0.01% | −234,565−34.6% | Reduced |
| JPMorgan Chase & Co | 412,497 | $27.8M | 0.00% | +155,671+60.6% | Added |
| Northern Trust Corp | 361,963 | $24.4M | 0.00% | +7,341+2.1% | Added |
| Dimensional Fund Advisors LP | 327,634 | $22.0M | 0.01% | +57,809+21.4% | Added |
| Charles Schwab Investment Management Inc | 304,367 | $20.5M | 0.00% | +6,934+2.3% | Added |
| Royce & Associates LP | 297,200 | $20.0M | 0.22% | +20.0% | Added |
| Wellington Management Group LLP | 290,616 | $19.6M | 0.00% | +126,185+76.7% | Added |
| Bank of America Corp | 278,780 | $18.8M | 0.00% | +156,833+128.6% | Added |
| Emerald Mutual Fund Advisers Trust | 262,571 | $17.7M | 1.25% | +43,296+19.7% | Added |
| Baillie Gifford & Co | 259,677 | $17.5M | 0.02% | −10,159−3.8% | Reduced |
| Capital Fund Management S.A. | 252,294 | $17.0M | 0.22% | +126,414+100.4% | Added |
| Capital World Investors | 227,441 | $15.3M | 0.00% | +227,441 | New |
| Wells Fargo & Company | 213,270 | $14.3M | 0.00% | +43,792+25.8% | Added |
| Jane Street Group, LLC | 212,945 | $14.3M | 0.03% | +161,119+310.9% | Added |
| Barclays PLC | 212,498 | $14.3M | 0.01% | −13,905−6.1% | Reduced |
| Bank of New York Mellon Corp | 209,677 | $14.1M | 0.00% | −143,585−40.6% | Reduced |
| Principal Financial Group Inc | 198,427 | $13.4M | 0.01% | +5,480+2.8% | Added |
| Bank of Montreal | 177,695 | $12.0M | 0.01% | +95,238+115.5% | Added |
| Bellevue Group AG | 173,710 | $11.7M | 0.26% | −19,008−9.9% | Reduced |
| Deutsche Bank AG | 168,461 | $11.3M | 0.00% | −6,363−3.6% | Reduced |
| Montanaro Asset Management Ltd | 153,675 | $10.3M | 3.03% | +13,640+9.7% | Added |
| Marshall Wace, LLP | 152,447 | $10.3M | 0.01% | +152,447 | New |
| Raymond James Financial Inc | 145,393 | $9.78M | 0.00% | +83,722+135.8% | Added |
| New York State Common Retirement Fund | 141,838 | $9.54M | 0.01% | +69,523+96.1% | Added |
| Price T Rowe Associates Inc | 135,698 | $9.13M | 0.00% | −122,947−47.5% | Reduced |
| Frontier Capital Management Co LLC | 134,600 | $9.06M | 0.10% | −16,410−10.9% | Reduced |
| Divisadero Street Capital Management, LP | 113,871 | $7.66M | 0.88% | −44,609−28.1% | Reduced |
| State of Michigan Retirement System | 108,000 | $7.27M | 0.04% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 107,860 | $7.26M | 0.83% | −31,897−22.8% | Reduced |
| Ensign Peak Advisors, Inc | 107,618 | $7.24M | 0.01% | −7,168−6.2% | Reduced |
| Public Sector Pension Investment Board | 106,480 | $7.16M | 0.03% | +22,894+27.4% | Added |
| Tudor Investment Corp Et Al | 104,826 | $7.05M | 0.06% | +104,826 | New |
| Lagoda Investment Management, L.P. | 101,810 | $6.85M | 4.36% | +27,950+37.8% | Added |
| Eagle Health Investments LP | 100,661 | $6.77M | 1.76% | +82,600+457.3% | Added |
| Ameriprise Financial Inc | 98,758 | $6.64M | 0.00% | +873+0.9% | Added |
| Legal & General Group Plc | 92,673 | $6.24M | 0.00% | −2,866−3.0% | Reduced |
| Susquehanna International Group, LLP | 91,004 | $6.12M | 0.01% | −129,600−58.7% | Reduced |
| Rhumbline Advisers | 89,524 | $6.02M | 0.01% | −537−0.6% | Reduced |
| Nuveen, LLC | 88,096 | $5.93M | 0.00% | +88,096 | New |
| Oppenheimer & Co Inc | 78,002 | $5.25M | 0.08% | +14,578+23.0% | Added |
| Blair William & Co | 74,995 | $5.05M | 0.02% | −105,569−58.5% | Reduced |
| Davidson Kempner Capital Management LP | 69,200 | $4.66M | 0.07% | +69,200 | New |
| Squarepoint Ops LLC | 69,109 | $4.65M | 0.01% | −113,705−62.2% | Reduced |
| Peregrine Capital Management LLC | 68,390 | $4.60M | 0.15% | +2,250+3.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 65,574 | $4.41M | 0.01% | −677−1.0% | Reduced |
| Swiss National Bank | 65,000 | $4.37M | 0.00% | −600−0.9% | Reduced |
| Biondo Investment Advisors, LLC | 58,070 | $3.91M | 0.55% | +4,620+8.6% | Added |
| Janus Henderson Group PLC | 56,479 | $3.87M | 0.00% | +41,016+265.3% | Added |
| F/M Investments LLC | 51,867 | $3.49M | 0.14% | +979+1.9% | Added |
| Citigroup Inc | 48,287 | $3.25M | 0.00% | +2,486+5.4% | Added |
| Bullseye Asset Management LLC | 47,754 | $3.21M | 1.74% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 47,536 | $3.20M | 0.24% | +47,536 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 47,309 | $3.18M | 0.00% | +24,200+104.7% | Added |
| DnB Asset Management AS | 46,877 | $3.15M | 0.01% | +16,662+55.1% | Added |
| SEI Investments Co | 46,727 | $3.14M | 0.00% | +26,461+130.6% | Added |
| Lazard Asset Management LLC | 45,865 | $3.08M | 0.00% | −131−0.3% | Reduced |
| Alliancebernstein L.P. | 40,780 | $2.74M | 0.00% | +208+0.5% | Added |
| Norges Bank | 40,274 | $2.71M | 0.00% | −326,387−89.0% | Reduced |
| Prudential Financial Inc | 32,866 | $2.64M | 0.00% | −1,190−3.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 35,625 | $2.40M | 0.04% | −241,795−87.2% | Reduced |
| Trillium Asset Management, LLC | 35,389 | $2.38M | 0.07% | +2,442+7.4% | Added |
| Aquatic Capital Management LLC | 33,290 | $2.24M | 0.06% | −9,859−22.8% | Reduced |
| Winton Group Ltd | 32,740 | $2.20M | 0.13% | +15,351+88.3% | Added |
| Taylor Frigon Capital Management LLC | 31,540 | $2.12M | 1.26% | +6,922+28.1% | Added |
| Graham Capital Management, L.P. | 30,570 | $2.06M | 0.07% | −386−1.2% | Reduced |
| California State Teachers Retirement System | 30,518 | $2.05M | 0.00% | −638−2.0% | Reduced |
| Lisanti Capital Growth, LLC | 28,870 | $1.94M | 0.58% | +28,870 | New |
| Intech Investment Management LLC | 26,676 | $1.79M | 0.02% | −459−1.7% | Reduced |
| Royal Bank of Canada | 26,582 | $1.79M | 0.00% | +8,604+47.9% | Added |
| State of New Jersey Common Pension Fund D | 25,084 | $1.69M | 0.01% | −232−0.9% | Reduced |
| Thrivent Financial for Lutherans | 24,652 | $1.66M | 0.00% | −1,290−5.0% | Reduced |
| Voloridge Investment Management, LLC | 24,398 | $1.64M | 0.01% | −270,150−91.7% | Reduced |
| Credit Agricole S A | 24,079 | $1.62M | 0.01% | +12,929+116.0% | Added |
| Envestnet Asset Management Inc | 23,365 | $1.57M | 0.00% | −61,007−72.3% | Reduced |
| GWM Advisors LLC | 23,292 | $1.57M | 0.01% | −1,343−5.5% | Reduced |
| GF Fund Management Co. Ltd. | 23,035 | $1.55M | 0.04% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 22,705 | $1.53M | 0.00% | +10,182+81.3% | Added |
| Wolverine Trading, LLC | 21,541 | $1.48M | 0.05% | −15,578−42.0% | Reduced |
| New York State Teachers Retirement System | 21,949 | $1.48M | 0.00% | +14,200+183.2% | Added |
| Comerica Bank | 21,833 | $1.47M | 0.01% | −2,047−8.6% | Reduced |