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, Q4 2024
Institutional positions in TransMedics Group, Inc. as of Dec 31, 2024. 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
- 315
- −51 vs. Q3 2024
- Shares held
- 36.9M
- +417.8K (+1.1%) vs. Q3 2024
- Total value
- $2.30B
- −$3.42B (−59.8%) vs. Q3 2024
- New holders
- 74
- 131 more added
- Sold out
- 125
- 84 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,228,187 | $326.0M | 0.01% | −79,572−1.5% | Reduced |
| FMR LLC | 4,007,447 | $249.9M | 0.01% | +1,875,101+87.9% | Added |
| Vanguard Group Inc | 3,635,919 | $226.7M | 0.00% | +40,860+1.1% | Added |
| State Street Corp | 1,361,259 | $84.9M | 0.00% | +88,128+6.9% | Added |
| FIL Ltd | 1,000,358 | $62.4M | 0.06% | +218,961+28.0% | Added |
| Macquarie Group Ltd | 992,500 | $61.9M | 0.08% | +96,389+10.8% | Added |
| Braidwell LP | 922,100 | $57.5M | 1.70% | +922,100 | New |
| UBS Asset Management Americas Inc | 903,086 | $56.3M | 0.01% | +558,474+162.1% | Added |
| Mackenzie Financial Corp | 828,147 | $51.6M | 0.07% | +349,403+73.0% | Added |
| Geode Capital Management, LLC | 772,744 | $48.2M | 0.00% | +8,954+1.2% | Added |
| Driehaus Capital Management LLC | 760,841 | $47.4M | 0.39% | −681,366−47.2% | Reduced |
| Invesco Ltd. | 678,628 | $42.3M | 0.01% | −415,453−38.0% | Reduced |
| Eventide Asset Management, LLC | 677,702 | $42.2M | 0.77% | −12,930−1.9% | Reduced |
| Liontrust Investment Partners LLP | 596,401 | $37.2M | 0.54% | +565,258+1,815.0% | Added |
| UBS Group AG | 590,242 | $36.8M | 0.01% | +530,990+896.2% | Added |
| Morgan Stanley | 454,438 | $28.3M | 0.00% | −68,467−13.1% | Reduced |
| Wasatch Advisors Inc | 441,354 | $27.5M | 0.14% | +200,603+83.3% | Added |
| Goldman Sachs Group Inc | 420,789 | $26.2M | 0.01% | −119,065−22.1% | Reduced |
| Man Group plc | 395,447 | $24.7M | 0.08% | +50,127+14.5% | Added |
| Emerald Advisers, LLC | 371,711 | $23.2M | 0.90% | +220,804+146.3% | Added |
| Norges Bank | 366,661 | $22.9M | 0.00% | +8,581+2.4% | Added |
| Vaughan Nelson Investment Management, L.P. | 361,615 | $22.5M | 0.21% | +32,605+9.9% | Added |
| Northern Trust Corp | 354,622 | $22.1M | 0.00% | +40,093+12.7% | Added |
| Bank of New York Mellon Corp | 353,262 | $22.0M | 0.00% | −131,656−27.2% | Reduced |
| Charles Schwab Investment Management Inc | 297,433 | $18.5M | 0.00% | +25,739+9.5% | Added |
| Royce & Associates LP | 297,198 | $18.5M | 0.17% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 294,548 | $18.4M | 0.06% | −20,471−6.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 277,420 | $17.3M | 0.23% | −695,983−71.5% | Reduced |
| Baillie Gifford & Co | 269,836 | $16.8M | 0.01% | +34,947+14.9% | Added |
| Dimensional Fund Advisors LP | 269,825 | $16.8M | 0.00% | +253,624+1,565.5% | Added |
| Schroder Investment Management Group | 283,107 | $16.8M | 0.02% | +153,688+118.8% | Added |
| Price T Rowe Associates Inc | 258,645 | $16.1M | 0.00% | −34,821−11.9% | Reduced |
| JPMorgan Chase & Co | 256,826 | $16.0M | 0.00% | +56,398+28.1% | Added |
| Citadel Advisors LLC | 232,934 | $14.5M | 0.01% | +232,934 | New |
| Barclays PLC | 226,403 | $14.1M | 0.01% | +35,603+18.7% | Added |
| Susquehanna International Group, LLP | 220,604 | $13.8M | 0.02% | +209,152+1,826.3% | Added |
| Emerald Mutual Fund Advisers Trust | 219,275 | $13.7M | 0.83% | +94,034+75.1% | Added |
| Principal Financial Group Inc | 192,947 | $12.0M | 0.01% | −9,340−4.6% | Reduced |
| Bellevue Group AG | 192,718 | $12.0M | 0.23% | +22,874+13.5% | Added |
| Avidity Partners Management LP | 192,400 | $12.0M | 1.20% | +164,800+597.1% | Added |
| Squarepoint Ops LLC | 182,814 | $11.4M | 0.03% | −43,846−19.3% | Reduced |
| Blair William & Co | 180,564 | $11.3M | 0.03% | +44,610+32.8% | Added |
| Sandhill Capital Partners LLC | 178,010 | $11.1M | 0.87% | −214,551−54.7% | Reduced |
| Deutsche Bank AG | 174,824 | $10.9M | 0.00% | +6,812+4.1% | Added |
| Wells Fargo & Company | 169,478 | $10.6M | 0.00% | +36,722+27.7% | Added |
| Millennium Management LLC | 164,925 | $10.3M | 0.01% | +53,088+47.5% | Added |
| Wellington Management Group LLP | 164,431 | $10.3M | 0.00% | −139,337−45.9% | Reduced |
| Cubist Systematic Strategies, LLC | 164,065 | $10.2M | 0.17% | +164,065 | New |
| Palisades Investment Partners, LLC | 160,108 | $9.98M | 4.21% | +11,323+7.6% | Added |
| Divisadero Street Capital Management, LP | 158,480 | $9.88M | 1.24% | +120,090+312.8% | Added |
| Frontier Capital Management Co LLC | 151,010 | $9.42M | 0.09% | +151,010 | New |
| Montanaro Asset Management Ltd | 140,035 | $8.73M | 1.80% | +22,800+19.4% | Added |
| First Light Asset Management, LLC | 139,757 | $8.71M | 0.83% | −125,977−47.4% | Reduced |
| Capital Fund Management S.A. | 125,880 | $7.85M | 0.08% | +125,880 | New |
| Bank of America Corp | 121,947 | $7.60M | 0.00% | −259,122−68.0% | Reduced |
| Ensign Peak Advisors, Inc | 114,786 | $7.16M | 0.01% | −34,313−23.0% | Reduced |
| Segall Bryant & Hamill, LLC | 111,121 | $6.93M | 0.10% | −1,496−1.3% | Reduced |
| State of Michigan Retirement System | 108,000 | $6.73M | 0.04% | +108,000 | New |
| Ameriprise Financial Inc | 97,885 | $6.10M | 0.00% | −24,717−20.2% | Reduced |
| Legal & General Group Plc | 95,539 | $5.96M | 0.00% | +5,582+6.2% | Added |
| Rhumbline Advisers | 90,061 | $5.62M | 0.01% | +23,742+35.8% | Added |
| HSBC Holdings PLC | 87,498 | $5.45M | 0.00% | +53,970+161.0% | Added |
| Nuveen Asset Management, LLC | 87,133 | $5.43M | 0.00% | −98,195−53.0% | Reduced |
| Envestnet Asset Management Inc | 84,372 | $5.26M | 0.00% | −5,911−6.5% | Reduced |
| Public Sector Pension Investment Board | 83,586 | $5.21M | 0.02% | +13,020+18.5% | Added |
| Bank of Montreal | 82,457 | $5.14M | 0.00% | +12,484+17.8% | Added |
| Handelsbanken Fonder AB | 81,900 | $5.11M | 0.02% | +17,500+27.2% | Added |
| Lagoda Investment Management, L.P. | 73,860 | $4.61M | 2.49% | +10,555+16.7% | Added |
| New York State Common Retirement Fund | 72,315 | $4.51M | 0.01% | −28,440−28.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 66,251 | $4.13M | 0.01% | +66,251 | New |
| Peregrine Capital Management LLC | 66,140 | $4.12M | 0.12% | +25,814+64.0% | Added |
| Swiss National Bank | 65,600 | $4.09M | 0.00% | +1,400+2.2% | Added |
| Oppenheimer & Co Inc | 63,424 | $3.95M | 0.06% | +18,531+41.3% | Added |
| Natixis Advisors, L.P. | 62,687 | $3.91M | 0.01% | −15,386−19.7% | Reduced |
| Raymond James Financial Inc | 61,671 | $3.85M | 0.00% | +61,671 | New |
| Biondo Investment Advisors, LLC | 53,450 | $3.33M | 0.46% | −1,625−3.0% | Reduced |
| Jane Street Group, LLC | 51,826 | $3.23M | 0.01% | −47,238−47.7% | Reduced |
| F/M Investments LLC | 50,888 | $3.17M | 0.12% | −21,574−29.8% | Reduced |
| Vestal Point Capital, LP | 50,000 | $3.12M | 0.18% | +50,000 | New |
| Quantitative Investment Management, LLC | 49,800 | $3.10M | 0.23% | +49,800 | New |
| Qube Research & Technologies Ltd | 47,859 | $2.98M | 0.00% | −3,395−6.6% | Reduced |
| Bullseye Asset Management LLC | 47,754 | $2.98M | 1.40% | +11,553+31.9% | Added |
| Lazard Asset Management LLC | 45,996 | $2.87M | 0.00% | +12,583+37.7% | Added |
| Citigroup Inc | 45,801 | $2.86M | 0.00% | +3,725+8.9% | Added |
| Prudential Financial Inc | 34,056 | $2.74M | 0.00% | +31,024+1,023.2% | Added |
| Aquatic Capital Management LLC | 43,149 | $2.69M | 0.07% | +2,149+5.2% | Added |
| First Trust Advisors LP | 42,106 | $2.63M | 0.00% | −17,602−29.5% | Reduced |
| IMC-Chicago, LLC | 41,016 | $2.56M | 0.07% | +41,016 | New |
| Alliancebernstein L.P. | 40,572 | $2.53M | 0.00% | +500+1.2% | Added |
| California Public Employees Retirement System | 40,302 | $2.51M | 0.00% | −14,145−26.0% | Reduced |
| Pilgrim Partners Asia Pte Ltd | 40,000 | $2.49M | 2.17% | +40,000 | New |
| Bastion Asset Management Inc. | 38,336 | $2.40M | 1.59% | +38,336 | New |
| Rhenman & Partners Asset Management AB | 38,000 | $2.37M | 0.24% | −7,270−16.1% | Reduced |
| Wolverine Trading, LLC | 37,119 | $2.20M | 0.05% | +29,099+362.8% | Added |
| Trillium Asset Management, LLC | 32,947 | $2.05M | 0.05% | +9,718+41.8% | Added |
| California State Teachers Retirement System | 31,156 | $1.94M | 0.00% | +61+0.2% | Added |
| Centiva Capital, LP | 31,087 | $1.94M | 0.07% | +18,943+156.0% | Added |
| Graham Capital Management, L.P. | 30,956 | $1.93M | 0.06% | +26,596+610.0% | Added |
| Renaissance Group LLC | 30,596 | $1.91M | 0.08% | +30,596 | New |
| DnB Asset Management AS | 30,215 | $1.88M | 0.01% | +25,834+589.7% | Added |