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 |
|---|---|---|---|---|---|
| Raymond James Financial Services Advisors, Inc. | 11,737 | $642.6K | 0.00% | −2,404−17.0% | Reduced |
| Millrace Asset Group, Inc. | 11,882 | $651.0K | 0.80% | −1,958−14.1% | Reduced |
| AtonRa Partners | 12,287 | $672.7K | 1.41% | −179−1.4% | Reduced |
| Voya Investment Management LLC | 12,670 | $693.7K | 0.00% | +123+1.0% | Added |
| EFG Asset Management (North America) Corp. | 12,954 | $708.8K | 0.17% | +2,544+24.4% | Added |
| Oak Ridge Investments LLC | 13,034 | $713.6K | 0.09% | −393−2.9% | Reduced |
| Two Sigma Investments, LP | 14,100 | $772.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 14,222 | $778.2K | 0.00% | +20.0% | Added |
| Aigen Investment Management, LP | 14,243 | $779.8K | 0.15% | +14,243 | New |
| Dark Forest Capital Management LP | 14,365 | $786.5K | 0.07% | +14,365 | New |
| Mirae Asset Global Investments Co., Ltd. | 14,940 | $818.0K | 0.00% | +1,700+12.8% | Added |
| Trexquant Investment LP | 15,133 | $828.5K | 0.02% | −5,833−27.8% | Reduced |
| Nisa Investment Advisors, LLC | 15,542 | $850.9K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 15,565 | $852.2K | 0.00% | +2,885+22.8% | Added |
| American International Group, Inc. | 15,834 | $866.9K | 0.01% | +563+3.7% | Added |
| MetLife Investment Management | 16,548 | $906.0K | 0.01% | 00.0% | Unchanged |
| J.W. Cole Advisors, Inc. | 16,975 | $929.4K | 0.07% | +16,975 | New |
| Captrust Financial Advisors | 18,022 | $986.7K | 0.00% | +321+1.8% | Added |
| Principal Financial Group Inc | 18,071 | $989.4K | 0.00% | −8,608−32.3% | Reduced |
| Occudo Quantitative Strategies LP | 19,042 | $1.04M | 0.13% | +10,548+124.2% | Added |
| Alberta Investment Management Corp | 19,889 | $1.09M | 0.01% | +15,055+311.4% | Added |
| Bayesian Capital Management, LP | 20,435 | $1.12M | 0.13% | +13,200+182.4% | Added |
| Executive Wealth Management, LLC | 21,213 | $1.16M | 0.12% | +6,691+46.1% | Added |
| Abn Amro Investment Solutions | 21,350 | $1.17M | 0.02% | +12,801+149.7% | Added |
| Moody Aldrich Partners LLC | 22,022 | $1.21M | 0.23% | −5,839−21.0% | Reduced |
| Mariner, LLC | 22,150 | $1.21M | 0.00% | −6,915−23.8% | Reduced |
| Dana Investment Advisors, Inc. | 22,191 | $1.21M | 0.06% | −449−2.0% | Reduced |
| LPL Financial LLC | 22,874 | $1.25M | 0.00% | +2,266+11.0% | Added |
| Advisor Group Holdings, Inc. | 22,898 | $1.25M | 0.00% | −37,977−62.4% | Reduced |
| Lagoda Investment Management, L.P. | 22,950 | $1.26M | 0.83% | +19,358+538.9% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 23,001 | $1.31M | 0.03% | +15,201+194.9% | Added |
| UBS Group AG | 23,954 | $1.31M | 0.00% | +20,904+685.4% | Added |
| BNP Paribas Arbitrage, SA | 24,886 | $1.36M | 0.00% | −74,253−74.9% | Reduced |
| Renaissance Technologies LLC | 25,299 | $1.39M | 0.00% | −47,500−65.2% | Reduced |
| Royal Bank of Canada | 26,439 | $1.45M | 0.00% | +3,166+13.6% | Added |
| Aquatic Capital Management LLC | 28,600 | $1.57M | 0.07% | +28,600 | New |
| Natixis | 29,757 | $1.63M | 0.01% | −4,725−13.7% | Reduced |
| Legal & General Group Plc | 30,787 | $1.69M | 0.00% | +970+3.3% | Added |
| Bank of Hawaii | 31,048 | $1.70M | 0.10% | +5,819+23.1% | Added |
| Liontrust Investment Partners LLP | 31,679 | $1.73M | 0.03% | +31,679 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 32,233 | $1.76M | 0.01% | −5,521−14.6% | Reduced |
| HSBC Holdings PLC | 35,000 | $1.92M | 0.00% | +35,000 | New |
| Quantbot Technologies LP | 35,454 | $1.94M | 0.13% | +11,423+47.5% | Added |
| California State Teachers Retirement System | 35,787 | $1.96M | 0.00% | −3,395−8.7% | Reduced |
| Osterweis Capital Management Inc | 36,175 | $1.98M | 0.15% | −8,040−18.2% | Reduced |
| Alliancebernstein L.P. | 37,500 | $2.05M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 38,231 | $2.09M | 0.01% | +5,258+15.9% | Added |
| Tudor Investment Corp Et Al | 38,831 | $2.13M | 0.03% | +38,831 | New |
| Axiom Investors LLC | 45,721 | $2.50M | 0.04% | +4,341+10.5% | Added |
| Rhumbline Advisers | 46,595 | $2.55M | 0.00% | +1,123+2.5% | Added |
| UBS Asset Management Americas Inc | 47,134 | $2.58M | 0.00% | +5,965+14.5% | Added |
| Cubist Systematic Strategies, LLC | 50,286 | $2.75M | 0.03% | −9,225−15.5% | Reduced |
| Susquehanna International Group, LLP | 52,313 | $2.86M | 0.00% | +12,377+31.0% | Added |
| Advisory Research Inc | 52,362 | $2.87M | 0.40% | −21,174−28.8% | Reduced |
| First Trust Advisors LP | 52,909 | $2.90M | 0.00% | −38,652−42.2% | Reduced |
| Segall Bryant & Hamill, LLC | 57,593 | $3.15M | 0.04% | +57,593 | New |
| Divisadero Street Capital Management, LP | 58,070 | $3.18M | 1.00% | −266,930−82.1% | Reduced |
| New York State Common Retirement Fund | 61,667 | $3.38M | 0.00% | −4,242−6.4% | Reduced |
| Bullseye Asset Management LLC | 70,512 | $3.86M | 2.15% | −12,500−15.1% | Reduced |
| Swiss National Bank | 71,600 | $3.92M | 0.00% | +700+1.0% | Added |
| Lazard Asset Management LLC | 73,722 | $4.04M | 0.01% | +73,192+13,809.8% | Added |
| Dimensional Fund Advisors LP | 74,277 | $4.07M | 0.00% | −171,473−69.8% | Reduced |
| Jump Financial, LLC | 76,759 | $4.20M | 0.16% | +46,598+154.5% | Added |
| Envestnet Asset Management Inc | 80,752 | $4.42M | 0.00% | +41,168+104.0% | Added |
| Qube Research & Technologies Ltd | 84,450 | $4.62M | 0.01% | +20,081+31.2% | Added |
| Nuveen Asset Management, LLC | 84,603 | $4.63M | 0.00% | −514−0.6% | Reduced |
| Peregrine Capital Management LLC | 85,800 | $4.70M | 0.14% | −24,587−22.3% | Reduced |
| Putnam Investments LLC | 87,230 | $4.78M | 0.01% | −8,015−8.4% | Reduced |
| Jane Street Group, LLC | 93,413 | $5.11M | 0.01% | +59,731+177.3% | Added |
| Ziegler Capital Management, LLC | 93,790 | $5.13M | 0.21% | −12,290−11.6% | Reduced |
| Must Asset Management Inc. | 94,202 | $5.17M | 12.65% | +94,202 | New |
| Walleye Capital LLC | 96,091 | $5.26M | 0.08% | +96,091 | New |
| Kent Lake Capital LLC | 100,000 | $5.47M | 2.13% | −19,129−16.1% | Reduced |
| Bank of Montreal | 88,252 | $5.48M | 0.00% | +15,291+21.0% | Added |
| Kornitzer Capital Management Inc | 111,291 | $6.09M | 0.13% | 00.0% | Unchanged |
| Citadel Advisors LLC | 111,620 | $6.11M | 0.01% | +101,897+1,048.0% | Added |
| Price T Rowe Associates Inc | 121,240 | $6.64M | 0.00% | +105,319+661.5% | Added |
| Granahan Investment Management Inc | 133,878 | $7.33M | 0.26% | +14,184+11.9% | Added |
| Ameriprise Financial Inc | 135,749 | $7.43M | 0.00% | −22,354−14.1% | Reduced |
| AXA S.A. | 138,260 | $7.57M | 0.03% | −4,528−3.2% | Reduced |
| JPMorgan Chase & Co | 141,672 | $7.76M | 0.00% | +30,486+27.4% | Added |
| Royce & Associates LP | 141,698 | $7.76M | 0.08% | +4,198+3.1% | Added |
| Oberweis Asset Management Inc | 151,100 | $8.27M | 0.88% | +24,100+19.0% | Added |
| Bank of America Corp | 162,178 | $8.88M | 0.00% | +1,185+0.7% | Added |
| Deutsche Bank AG | 163,152 | $8.93M | 0.01% | +27,487+20.3% | Added |
| Barclays PLC | 182,609 | $10.0M | 0.01% | +31,092+20.5% | Added |
| Ensign Peak Advisors, Inc | 183,942 | $10.1M | 0.02% | +94,346+105.3% | Added |
| Wells Fargo & Company | 195,139 | $10.7M | 0.00% | +11,594+6.3% | Added |
| Voloridge Investment Management, LLC | 198,531 | $10.9M | 0.05% | +136,865+221.9% | Added |
| Charles Schwab Investment Management Inc | 249,174 | $13.6M | 0.00% | +8,176+3.4% | Added |
| Ophir Asset Management Pty Ltd | 295,761 | $16.2M | 3.82% | −122,605−29.3% | Reduced |
| Braidwell LP | 307,200 | $16.8M | 0.53% | +307,200 | New |
| Northern Trust Corp | 337,231 | $18.5M | 0.00% | +3,345+1.0% | Added |
| Baillie Gifford & Co | 338,162 | $18.5M | 0.02% | +96,609+40.0% | Added |
| Emerald Mutual Fund Advisers Trust | 356,747 | $19.5M | 1.18% | +2,285+0.6% | Added |
| Goldman Sachs Group Inc | 358,332 | $19.6M | 0.00% | +40,498+12.7% | Added |
| SEI Investments Co | 386,082 | $21.1M | 0.04% | +58,269+17.8% | Added |
| Nicholas Investment Partners, LP | 413,714 | $22.7M | 1.69% | +46,083+12.5% | Added |
| Eagle Health Investments LP | 414,205 | $22.7M | 5.00% | +182,173+78.5% | Added |
| Emerald Advisers, LLC | 442,546 | $24.2M | 1.17% | +6,453+1.5% | Added |