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 2024
Institutional positions in TransMedics Group, Inc. as of Mar 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
- 262
- +16 vs. Q4 2023
- Shares held
- 34.1M
- −877.9K (−2.5%) vs. Q4 2023
- Total value
- $2.52B
- −$242.7M (−8.8%) vs. Q4 2023
- New holders
- 51
- 92 more added
- Sold out
- 35
- 82 more reduced
3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 4,838,880 | $357.8M | 0.02% | +10,136+0.2% | Added |
| BlackRock Inc. | 2,523,626 | $186.6M | 0.00% | −26,629−1.0% | Reduced |
| Vanguard Group Inc | 1,889,094 | $139.7M | 0.00% | +23,979+1.3% | Added |
| Macquarie Group Ltd | 1,297,719 | $96.0M | 0.11% | −228,100−14.9% | Reduced |
| Driehaus Capital Management LLC | 1,283,206 | $94.9M | 0.95% | +192,699+17.7% | Added |
| Invesco Ltd. | 1,282,733 | $94.8M | 0.02% | +141,882+12.4% | Added |
| Eventide Asset Management, LLC | 1,169,895 | $86.5M | 1.36% | +175,655+17.7% | Added |
| ArrowMark Colorado Holdings LLC | 1,079,926 | $79.8M | 0.91% | +59,088+5.8% | Added |
| Credit Suisse AG | 847,885 | $62.7M | 0.06% | −11,593−1.3% | Reduced |
| State Street Corp | 774,879 | $57.3M | 0.00% | −12,199−1.5% | Reduced |
| Sandhill Capital Partners LLC | 733,671 | $54.2M | 4.34% | −29,530−3.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 730,010 | $54.0M | 0.08% | +21,737+3.1% | Added |
| Geode Capital Management, LLC | 723,438 | $53.5M | 0.00% | +22,764+3.2% | Added |
| First Light Asset Management, LLC | 711,682 | $52.6M | 4.03% | −42,635−5.7% | Reduced |
| Mackenzie Financial Corp | 666,286 | $49.3M | 0.07% | +212,671+46.9% | Added |
| Braidwell LP | 614,531 | $45.4M | 1.46% | +496,830+422.1% | Added |
| Bank of New York Mellon Corp | 531,895 | $39.3M | 0.01% | −155,130−22.6% | Reduced |
| Emerald Advisers, LLC | 523,420 | $38.7M | 1.56% | +7,067+1.4% | Added |
| Next Century Growth Investors LLC | 472,215 | $34.9M | 3.03% | +9,500+2.1% | Added |
| Morgan Stanley | 444,907 | $32.9M | 0.00% | −34,939−7.3% | Reduced |
| Wasatch Advisors Inc | 434,971 | $32.2M | 0.17% | +434,971 | New |
| Emerald Mutual Fund Advisers Trust | 414,514 | $30.6M | 1.60% | +425+0.1% | Added |
| Voloridge Investment Management, LLC | 390,349 | $28.9M | 0.11% | +58,304+17.6% | Added |
| Bellevue Group AG | 364,064 | $26.9M | 0.41% | −154,826−29.8% | Reduced |
| Royce & Associates LP | 315,198 | $23.3M | 0.21% | −36,500−10.4% | Reduced |
| Lord, Abbett & Co. LLC | 305,419 | $22.6M | 0.07% | −720,145−70.2% | Reduced |
| Baillie Gifford & Co | 303,162 | $22.4M | 0.02% | −5,816−1.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 303,007 | $22.4M | 0.10% | +303,007 | New |
| First Turn Management, LLC | 297,377 | $22.0M | 3.29% | −25,808−8.0% | Reduced |
| Price T Rowe Associates Inc | 297,324 | $22.0M | 0.00% | +22,223+8.1% | Added |
| American Century Companies Inc | 295,606 | $21.9M | 0.01% | −212,474−41.8% | Reduced |
| Northern Trust Corp | 288,486 | $21.3M | 0.00% | −8,065−2.7% | Reduced |
| Goldman Sachs Group Inc | 285,073 | $21.1M | 0.00% | −112,210−28.2% | Reduced |
| Eagle Health Investments LP | 278,655 | $20.6M | 3.93% | −36,200−11.5% | Reduced |
| Marshall Wace, LLP | 261,234 | $19.3M | 0.03% | −81,021−23.7% | Reduced |
| Charles Schwab Investment Management Inc | 257,324 | $19.0M | 0.00% | +3,807+1.5% | Added |
| Bank of America Corp | 212,262 | $15.7M | 0.00% | +47,058+28.5% | Added |
| Oberweis Asset Management Inc | 198,200 | $14.7M | 1.06% | −14,700−6.9% | Reduced |
| Barclays PLC | 197,591 | $14.6M | 0.01% | −8,490−4.1% | Reduced |
| Blair William & Co | 183,524 | $13.6M | 0.04% | +24,417+15.3% | Added |
| Wells Fargo & Company | 177,338 | $13.1M | 0.00% | −17,542−9.0% | Reduced |
| Citadel Advisors LLC | 171,834 | $12.7M | 0.01% | −18,755−9.8% | Reduced |
| Ensign Peak Advisors, Inc | 171,509 | $12.7M | 0.02% | −818−0.5% | Reduced |
| FIL Ltd | 160,886 | $11.9M | 0.01% | +155,886+3,117.7% | Added |
| Deutsche Bank AG | 136,048 | $10.1M | 0.00% | +3,302+2.5% | Added |
| Granahan Investment Management Inc | 133,387 | $9.86M | 0.35% | −13,349−9.1% | Reduced |
| Eagle Asset Management Inc | 133,788 | $9.82M | 0.05% | +133,788 | New |
| Segall Bryant & Hamill, LLC | 114,028 | $8.43M | 0.16% | +19,789+21.0% | Added |
| Susquehanna International Group, LLP | 110,638 | $8.18M | 0.01% | +90,706+455.1% | Added |
| SEI Investments Co | 110,427 | $8.17M | 0.01% | −62,915−36.3% | Reduced |
| JPMorgan Chase & Co | 109,741 | $8.11M | 0.00% | −6,624−5.7% | Reduced |
| Ameriprise Financial Inc | 105,582 | $7.81M | 0.00% | −29,340−21.7% | Reduced |
| AXA S.A. | 104,893 | $7.76M | 0.02% | −11,708−10.0% | Reduced |
| Montanaro Asset Management Ltd | 96,300 | $7.12M | 1.29% | +89,150+1,246.9% | Added |
| Kornitzer Capital Management Inc | 91,291 | $6.75M | 0.12% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 85,855 | $6.35M | 0.00% | −10,696−11.1% | Reduced |
| New York State Common Retirement Fund | 85,726 | $6.34M | 0.01% | −1,790−2.0% | Reduced |
| Advisor Group Holdings, Inc. | 84,974 | $6.28M | 0.01% | −2,246−2.6% | Reduced |
| Nuveen Asset Management, LLC | 84,360 | $6.24M | 0.00% | −2,189−2.5% | Reduced |
| Osterweis Capital Management Inc | 76,990 | $5.69M | 0.33% | +12,425+19.2% | Added |
| HSBC Holdings PLC | 76,373 | $5.65M | 0.00% | +34,723+83.4% | Added |
| Divisadero Street Capital Management, LP | 75,936 | $5.61M | 1.32% | +17,866+30.8% | Added |
| Peregrine Capital Management LLC | 75,267 | $5.57M | 0.16% | +6,580+9.6% | Added |
| Axiom Investors LLC | 71,845 | $5.31M | 0.05% | −11,905−14.2% | Reduced |
| Bank of Montreal | 69,161 | $5.22M | 0.00% | −11,065−13.8% | Reduced |
| Bullseye Asset Management LLC | 70,512 | $5.21M | 2.45% | 00.0% | Unchanged |
| Lagoda Investment Management, L.P. | 65,125 | $4.82M | 2.95% | +15,135+30.3% | Added |
| Swiss National Bank | 64,300 | $4.75M | 0.00% | 00.0% | Unchanged |
| Pier Capital, LLC | 64,259 | $4.75M | 0.65% | +64,259 | New |
| Renaissance Technologies LLC | 63,799 | $4.72M | 0.01% | +52,100+445.3% | Added |
| Jane Street Group, LLC | 63,365 | $4.69M | 0.01% | −29,005−31.4% | Reduced |
| Nicholas Investment Partners, LP | 58,921 | $4.36M | 0.45% | +423+0.7% | Added |
| Lisanti Capital Growth, LLC | 58,495 | $4.33M | 1.05% | −50,940−46.5% | Reduced |
| Apis Capital Advisors, LLC | 52,400 | $3.87M | 2.94% | +30,400+138.2% | Added |
| Millennium Management LLC | 52,376 | $3.87M | 0.00% | +24,149+85.6% | Added |
| Lazard Asset Management LLC | 49,571 | $3.67M | 0.00% | −14,865−23.1% | Reduced |
| Rhumbline Advisers | 45,862 | $3.39M | 0.00% | +301+0.7% | Added |
| UBS Group AG | 45,199 | $3.34M | 0.00% | +4,936+12.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 44,907 | $3.32M | 0.00% | +32,775+270.2% | Added |
| Squarepoint Ops LLC | 43,245 | $3.20M | 0.01% | +27,244+170.3% | Added |
| UBS Asset Management Americas Inc | 42,830 | $3.17M | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 41,703 | $3.08M | 0.00% | +25,339+154.8% | Added |
| Graham Capital Management, L.P. | 40,454 | $2.99M | 0.09% | +40,454 | New |
| State of New Jersey Common Pension Fund D | 35,598 | $2.63M | 0.01% | 00.0% | Unchanged |
| Moody Aldrich Partners LLC | 34,530 | $2.55M | 0.43% | −11,782−25.4% | Reduced |
| Legal & General Group Plc | 33,036 | $2.44M | 0.00% | +134+0.4% | Added |
| California State Teachers Retirement System | 32,557 | $2.41M | 0.00% | −1,729−5.0% | Reduced |
| Alliancebernstein L.P. | 31,660 | $2.34M | 0.00% | −5,840−15.6% | Reduced |
| Liontrust Investment Partners LLP | 31,374 | $2.32M | 0.03% | −331−1.0% | Reduced |
| Kent Lake Capital LLC | 30,000 | $2.22M | 0.97% | −25,000−45.5% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 27,577 | $2.04M | 0.00% | +10,325+59.8% | Added |
| Russell Investments Group, Ltd. | 27,005 | $2.00M | 0.00% | +26,997+337,462.5% | Added |
| Oppenheimer & Co Inc | 26,570 | $1.96M | 0.03% | +16,214+156.6% | Added |
| Ziegler Capital Management, LLC | 73,007 | $1.92M | 0.07% | +31,661+76.6% | Added |
| State of Wisconsin Investment Board | 22,749 | $1.68M | 0.00% | −2,945−11.5% | Reduced |
| Executive Wealth Management, LLC | 22,733 | $1.67M | 0.15% | −5,408−19.2% | Reduced |
| Millrace Asset Group, Inc. | 22,428 | $1.66M | 1.67% | +14,305+176.1% | Added |
| Dana Investment Advisors, Inc. | 22,345 | $1.65M | 0.05% | +2,867+14.7% | Added |
| Public Employees Retirement System of Ohio | 21,477 | $1.59M | 0.01% | +21,477 | New |
| Abn Amro Investment Solutions | 20,919 | $1.55M | 0.03% | 00.0% | Unchanged |