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, Q3 2023
Institutional positions in TransMedics Group, Inc. as of Sep 30, 2023. 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
- 222
- −17 vs. Q2 2023
- Shares held
- 34.9M
- +2.42M (+7.4%) vs. Q2 2023
- Total value
- $1.91B
- −$816.9M (−29.9%) vs. Q2 2023
- New holders
- 35
- 95 more added
- Sold out
- 52
- 67 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 4,714,870 | $258.1M | 0.02% | +1,407,171+42.5% | Added |
| BlackRock Inc. | 2,449,330 | $134.1M | 0.00% | +139,937+6.1% | Added |
| Vanguard Group Inc | 1,814,442 | $99.3M | 0.00% | +29,798+1.7% | Added |
| Macquarie Group Ltd | 1,710,851 | $93.7M | 0.12% | +16,685+1.0% | Added |
| Fred Alger Management, LLC | 1,574,603 | $86.2M | 0.50% | −74,905−4.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,271,643 | $69.6M | 0.12% | −22,787−1.8% | Reduced |
| Invesco Ltd. | 1,253,419 | $68.6M | 0.02% | −25,946−2.0% | Reduced |
| Credit Suisse AG | 1,131,903 | $62.0M | 0.07% | +344,635+43.8% | Added |
| Driehaus Capital Management LLC | 1,000,912 | $54.8M | 0.71% | −161,302−13.9% | Reduced |
| Eventide Asset Management, LLC | 925,356 | $50.7M | 0.91% | +857,895+1,271.7% | Added |
| State Street Corp | 786,794 | $43.1M | 0.00% | +5,650+0.7% | Added |
| Bank of New York Mellon Corp | 760,099 | $41.6M | 0.01% | +363,012+91.4% | Added |
| ArrowMark Colorado Holdings LLC | 743,040 | $40.7M | 0.50% | +622,892+518.4% | Added |
| Sandhill Capital Partners LLC | 732,610 | $40.1M | 3.75% | −80,234−9.9% | Reduced |
| Lord, Abbett & Co. LLC | 673,094 | $36.9M | 0.14% | −1,196,645−64.0% | Reduced |
| Geode Capital Management, LLC | 665,923 | $36.5M | 0.00% | +23,272+3.6% | Added |
| First Light Asset Management, LLC | 618,100 | $33.8M | 3.21% | +240,636+63.8% | Added |
| Marshall Wace, LLP | 577,153 | $31.6M | 0.07% | +577,153 | New |
| Bellevue Group AG | 536,737 | $29.4M | 0.47% | −75,876−12.4% | Reduced |
| Morgan Stanley | 513,797 | $28.1M | 0.00% | −77,547−13.1% | Reduced |
| American Century Companies Inc | 486,956 | $26.7M | 0.02% | +355,755+271.2% | Added |
| Next Century Growth Investors LLC | 477,482 | $26.1M | 2.84% | +34,540+7.8% | Added |
| Emerald Advisers, LLC | 442,546 | $24.2M | 1.17% | +6,453+1.5% | Added |
| Eagle Health Investments LP | 414,205 | $22.7M | 5.00% | +182,173+78.5% | Added |
| Nicholas Investment Partners, LP | 413,714 | $22.7M | 1.69% | +46,083+12.5% | Added |
| SEI Investments Co | 386,082 | $21.1M | 0.04% | +58,269+17.8% | Added |
| Goldman Sachs Group Inc | 358,332 | $19.6M | 0.00% | +40,498+12.7% | Added |
| Emerald Mutual Fund Advisers Trust | 356,747 | $19.5M | 1.18% | +2,285+0.6% | Added |
| Baillie Gifford & Co | 338,162 | $18.5M | 0.02% | +96,609+40.0% | Added |
| Northern Trust Corp | 337,231 | $18.5M | 0.00% | +3,345+1.0% | Added |
| Braidwell LP | 307,200 | $16.8M | 0.53% | +307,200 | New |
| Ophir Asset Management Pty Ltd | 295,761 | $16.2M | 3.82% | −122,605−29.3% | Reduced |
| Charles Schwab Investment Management Inc | 249,174 | $13.6M | 0.00% | +8,176+3.4% | Added |
| Voloridge Investment Management, LLC | 198,531 | $10.9M | 0.05% | +136,865+221.9% | Added |
| Wells Fargo & Company | 195,139 | $10.7M | 0.00% | +11,594+6.3% | Added |
| Ensign Peak Advisors, Inc | 183,942 | $10.1M | 0.02% | +94,346+105.3% | Added |
| Barclays PLC | 182,609 | $10.0M | 0.01% | +31,092+20.5% | Added |
| Deutsche Bank AG | 163,152 | $8.93M | 0.01% | +27,487+20.3% | Added |
| Bank of America Corp | 162,178 | $8.88M | 0.00% | +1,185+0.7% | Added |
| Oberweis Asset Management Inc | 151,100 | $8.27M | 0.88% | +24,100+19.0% | Added |
| Royce & Associates LP | 141,698 | $7.76M | 0.08% | +4,198+3.1% | Added |
| JPMorgan Chase & Co | 141,672 | $7.76M | 0.00% | +30,486+27.4% | Added |
| AXA S.A. | 138,260 | $7.57M | 0.03% | −4,528−3.2% | Reduced |
| Ameriprise Financial Inc | 135,749 | $7.43M | 0.00% | −22,354−14.1% | Reduced |
| Granahan Investment Management Inc | 133,878 | $7.33M | 0.26% | +14,184+11.9% | Added |
| Price T Rowe Associates Inc | 121,240 | $6.64M | 0.00% | +105,319+661.5% | Added |
| Citadel Advisors LLC | 111,620 | $6.11M | 0.01% | +101,897+1,048.0% | Added |
| Kornitzer Capital Management Inc | 111,291 | $6.09M | 0.13% | 00.0% | Unchanged |
| Bank of Montreal | 88,252 | $5.48M | 0.00% | +15,291+21.0% | Added |
| Kent Lake Capital LLC | 100,000 | $5.47M | 2.13% | −19,129−16.1% | Reduced |
| Walleye Capital LLC | 96,091 | $5.26M | 0.08% | +96,091 | New |
| Must Asset Management Inc. | 94,202 | $5.17M | 12.65% | +94,202 | New |
| Ziegler Capital Management, LLC | 93,790 | $5.13M | 0.21% | −12,290−11.6% | Reduced |
| Jane Street Group, LLC | 93,413 | $5.11M | 0.01% | +59,731+177.3% | Added |
| Putnam Investments LLC | 87,230 | $4.78M | 0.01% | −8,015−8.4% | Reduced |
| Peregrine Capital Management LLC | 85,800 | $4.70M | 0.14% | −24,587−22.3% | Reduced |
| Nuveen Asset Management, LLC | 84,603 | $4.63M | 0.00% | −514−0.6% | Reduced |
| Qube Research & Technologies Ltd | 84,450 | $4.62M | 0.01% | +20,081+31.2% | Added |
| Envestnet Asset Management Inc | 80,752 | $4.42M | 0.00% | +41,168+104.0% | Added |
| Jump Financial, LLC | 76,759 | $4.20M | 0.16% | +46,598+154.5% | Added |
| Dimensional Fund Advisors LP | 74,277 | $4.07M | 0.00% | −171,473−69.8% | Reduced |
| Lazard Asset Management LLC | 73,722 | $4.04M | 0.01% | +73,192+13,809.8% | Added |
| Swiss National Bank | 71,600 | $3.92M | 0.00% | +700+1.0% | Added |
| Bullseye Asset Management LLC | 70,512 | $3.86M | 2.15% | −12,500−15.1% | Reduced |
| New York State Common Retirement Fund | 61,667 | $3.38M | 0.00% | −4,242−6.4% | Reduced |
| Divisadero Street Capital Management, LP | 58,070 | $3.18M | 1.00% | −266,930−82.1% | Reduced |
| Segall Bryant & Hamill, LLC | 57,593 | $3.15M | 0.04% | +57,593 | New |
| First Trust Advisors LP | 52,909 | $2.90M | 0.00% | −38,652−42.2% | Reduced |
| Advisory Research Inc | 52,362 | $2.87M | 0.40% | −21,174−28.8% | Reduced |
| Susquehanna International Group, LLP | 52,313 | $2.86M | 0.00% | +12,377+31.0% | Added |
| Cubist Systematic Strategies, LLC | 50,286 | $2.75M | 0.03% | −9,225−15.5% | Reduced |
| UBS Asset Management Americas Inc | 47,134 | $2.58M | 0.00% | +5,965+14.5% | Added |
| Rhumbline Advisers | 46,595 | $2.55M | 0.00% | +1,123+2.5% | Added |
| Axiom Investors LLC | 45,721 | $2.50M | 0.04% | +4,341+10.5% | Added |
| Tudor Investment Corp Et Al | 38,831 | $2.13M | 0.03% | +38,831 | New |
| State of New Jersey Common Pension Fund D | 38,231 | $2.09M | 0.01% | +5,258+15.9% | Added |
| Alliancebernstein L.P. | 37,500 | $2.05M | 0.00% | 00.0% | Unchanged |
| Osterweis Capital Management Inc | 36,175 | $1.98M | 0.15% | −8,040−18.2% | Reduced |
| California State Teachers Retirement System | 35,787 | $1.96M | 0.00% | −3,395−8.7% | Reduced |
| Quantbot Technologies LP | 35,454 | $1.94M | 0.13% | +11,423+47.5% | Added |
| HSBC Holdings PLC | 35,000 | $1.92M | 0.00% | +35,000 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 32,233 | $1.76M | 0.01% | −5,521−14.6% | Reduced |
| Liontrust Investment Partners LLP | 31,679 | $1.73M | 0.03% | +31,679 | New |
| Bank of Hawaii | 31,048 | $1.70M | 0.10% | +5,819+23.1% | Added |
| Legal & General Group Plc | 30,787 | $1.69M | 0.00% | +970+3.3% | Added |
| Natixis | 29,757 | $1.63M | 0.01% | −4,725−13.7% | Reduced |
| Aquatic Capital Management LLC | 28,600 | $1.57M | 0.07% | +28,600 | New |
| Royal Bank of Canada | 26,439 | $1.45M | 0.00% | +3,166+13.6% | Added |
| Renaissance Technologies LLC | 25,299 | $1.39M | 0.00% | −47,500−65.2% | Reduced |
| BNP Paribas Arbitrage, SA | 24,886 | $1.36M | 0.00% | −74,253−74.9% | Reduced |
| UBS Group AG | 23,954 | $1.31M | 0.00% | +20,904+685.4% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 23,001 | $1.31M | 0.03% | +15,201+194.9% | Added |
| Lagoda Investment Management, L.P. | 22,950 | $1.26M | 0.83% | +19,358+538.9% | Added |
| Advisor Group Holdings, Inc. | 22,898 | $1.25M | 0.00% | −37,977−62.4% | Reduced |
| LPL Financial LLC | 22,874 | $1.25M | 0.00% | +2,266+11.0% | Added |
| Dana Investment Advisors, Inc. | 22,191 | $1.21M | 0.06% | −449−2.0% | Reduced |
| Mariner, LLC | 22,150 | $1.21M | 0.00% | −6,915−23.8% | Reduced |
| Moody Aldrich Partners LLC | 22,022 | $1.21M | 0.23% | −5,839−21.0% | Reduced |
| Abn Amro Investment Solutions | 21,350 | $1.17M | 0.02% | +12,801+149.7% | Added |
| Executive Wealth Management, LLC | 21,213 | $1.16M | 0.12% | +6,691+46.1% | Added |