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 |
|---|---|---|---|---|---|
| Wolverine Trading, LLC | 6,064 | $448.4K | 0.00% | +2,390+65.1% | Added |
| RiverPark Advisors, LLC | 6,082 | $449.7K | 0.37% | +4,763+361.1% | Added |
| Envestnet Portfolio Solutions, Inc. | 6,115 | $452.1K | 0.00% | −146−2.3% | Reduced |
| Bridgewater Associates, LP | 6,289 | $465.0K | 0.00% | −1,137−15.3% | Reduced |
| Level Four Advisory Services, LLC | 6,117 | $482.8K | 0.03% | +148+2.5% | Added |
| Courier Capital LLC | 6,655 | $492.1K | 0.04% | 00.0% | Unchanged |
| Alpha DNA Investment Management LLC | 6,737 | $498.1K | 0.27% | +400+6.3% | Added |
| Tudor Investment Corp Et Al | 6,751 | $499.2K | 0.01% | −80,190−92.2% | Reduced |
| Verition Fund Management LLC | 6,816 | $504.0K | 0.00% | +6,816 | New |
| Valmark Advisers, Inc. | 7,034 | $520.1K | 0.01% | −266−3.6% | Reduced |
| Twinbeech Capital LP | 7,303 | $540.0K | 0.01% | +7,303 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,396 | $546.9K | 0.00% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 7,500 | $554.5K | 0.01% | +7,500 | New |
| Henshaw Capital LLC | 7,647 | $565.4K | 0.03% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 7,756 | $573.5K | 0.00% | −2,588−25.0% | Reduced |
| Principal Financial Group Inc | 7,980 | $590.0K | 0.00% | −13,949−63.6% | Reduced |
| Atria Wealth Solutions, Inc. | 8,056 | $595.7K | 0.01% | +2,796+53.2% | Added |
| Handelsbanken Fonder AB | 8,100 | $599.0K | 0.00% | +900+12.5% | Added |
| Harbour Capital Advisors, LLC | 8,371 | $607.9K | 0.15% | 00.0% | Unchanged |
| GWM Advisors LLC | 8,232 | $608.7K | 0.01% | +7,087+619.0% | Added |
| Stifel Financial Corp | 8,261 | $610.8K | 0.00% | −2,668−24.4% | Reduced |
| HighTower Advisors, LLC | 8,280 | $611.0K | 0.00% | −977−10.6% | Reduced |
| Congress Wealth Management LLC | 8,278 | $612.1K | 0.01% | +8,278 | New |
| HRT Financial LP | 8,559 | $632.0K | 0.00% | +8,559 | New |
| Calamos Advisors LLC | 8,800 | $650.7K | 0.00% | +8,800 | New |
| LPL Financial LLC | 8,824 | $652.4K | 0.00% | −8,579−49.3% | Reduced |
| Arizona State Retirement System | 8,972 | $663.4K | 0.00% | −150−1.6% | Reduced |
| Raymond James & Associates | 9,288 | $686.8K | 0.00% | +4,695+102.2% | Added |
| Eisler Capital (US) LLC | 9,662 | $714.4K | 0.24% | +9,662 | New |
| Royal Bank of Canada | 9,725 | $718.0K | 0.00% | −17,134−63.8% | Reduced |
| Values First Advisors, Inc. | 9,761 | $721.7K | 0.42% | +1,096+12.6% | Added |
| D.A. Davidson & Co. | 9,972 | $737.3K | 0.01% | +752+8.2% | Added |
| State Board of Administration of Florida Retirement System | 9,843 | $745.4K | 0.00% | +780+8.6% | Added |
| Voya Investment Management LLC | 10,366 | $766.5K | 0.00% | −2,286−18.1% | Reduced |
| Dynamic Technology Lab Private Ltd | 10,476 | $775.0K | 0.08% | −787−7.0% | Reduced |
| Franklin Resources Inc | 11,051 | $817.1K | 0.00% | +1,939+21.3% | Added |
| Cetera Investment Advisers | 11,106 | $821.2K | 0.00% | +2,603+30.6% | Added |
| Park Avenue Securities LLC | 11,374 | $841.0K | 0.01% | +372+3.4% | Added |
| Centiva Capital, LP | 13,266 | $980.9K | 0.06% | +13,266 | New |
| Mirae Asset Global Investments Co., Ltd. | 13,240 | $988.9K | 0.00% | −1,700−11.4% | Reduced |
| Wedbush Securities Inc | 14,029 | $1.04M | 0.04% | +14,029 | New |
| Legato Capital Management LLC | 14,047 | $1.04M | 0.13% | −3,880−21.6% | Reduced |
| Janus Henderson Group PLC | 14,198 | $1.05M | 0.00% | +10.0% | Added |
| Pacific Capital Partners Ltd | 14,373 | $1.06M | 0.70% | +1,820+14.5% | Added |
| Comerica Bank | 14,422 | $1.07M | 0.00% | +13,192+1,072.5% | Added |
| HighPoint Advisor Group LLC | 8,685 | $1.15M | 0.08% | +1,045+13.7% | Added |
| Nisa Investment Advisors, LLC | 15,570 | $1.15M | 0.01% | +28+0.2% | Added |
| M&T Bank Corp | 15,571 | $1.15M | 0.00% | +3,407+28.0% | Added |
| American International Group, Inc. | 15,636 | $1.16M | 0.00% | −135−0.9% | Reduced |
| SYSTM Wealth Solutions LLC | 15,851 | $1.17M | 0.15% | +801+5.3% | Added |
| Pathstone Holdings, LLC | 16,409 | $1.21M | 0.01% | +12,522+322.2% | Added |
| Mariner, LLC | 16,459 | $1.22M | 0.00% | +200+1.2% | Added |
| MetLife Investment Management | 16,548 | $1.22M | 0.01% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 16,700 | $1.23M | 0.11% | −106,412−86.4% | Reduced |
| Options Solutions, LLC | 16,798 | $1.24M | 0.71% | +16,798 | New |
| Virtu Financial LLC | 16,921 | $1.25M | 0.10% | +16,921 | New |
| Manufacturers Life Insurance Company, The | 16,946 | $1.25M | 0.00% | +1,608+10.5% | Added |
| BNP Paribas Arbitrage, SA | 17,390 | $1.29M | 0.00% | +4,518+35.1% | Added |
| Nebula Research & Development LLC | 17,656 | $1.31M | 0.28% | +17,656 | New |
| Oak Ridge Investments LLC | 18,267 | $1.35M | 0.14% | +6,813+59.5% | Added |
| EFG Asset Management (North America) Corp. | 18,853 | $1.39M | 0.24% | +6,213+49.2% | Added |
| Natixis | 19,073 | $1.41M | 0.01% | −4,972−20.7% | Reduced |
| Abn Amro Investment Solutions | 20,919 | $1.55M | 0.03% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 21,477 | $1.59M | 0.01% | +21,477 | New |
| Dana Investment Advisors, Inc. | 22,345 | $1.65M | 0.05% | +2,867+14.7% | Added |
| Millrace Asset Group, Inc. | 22,428 | $1.66M | 1.67% | +14,305+176.1% | Added |
| Executive Wealth Management, LLC | 22,733 | $1.67M | 0.15% | −5,408−19.2% | Reduced |
| State of Wisconsin Investment Board | 22,749 | $1.68M | 0.00% | −2,945−11.5% | Reduced |
| Ziegler Capital Management, LLC | 73,007 | $1.92M | 0.07% | +31,661+76.6% | Added |
| Oppenheimer & Co Inc | 26,570 | $1.96M | 0.03% | +16,214+156.6% | Added |
| Russell Investments Group, Ltd. | 27,005 | $2.00M | 0.00% | +26,997+337,462.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 27,577 | $2.04M | 0.00% | +10,325+59.8% | Added |
| Kent Lake Capital LLC | 30,000 | $2.22M | 0.97% | −25,000−45.5% | Reduced |
| Liontrust Investment Partners LLP | 31,374 | $2.32M | 0.03% | −331−1.0% | Reduced |
| Alliancebernstein L.P. | 31,660 | $2.34M | 0.00% | −5,840−15.6% | Reduced |
| California State Teachers Retirement System | 32,557 | $2.41M | 0.00% | −1,729−5.0% | Reduced |
| Legal & General Group Plc | 33,036 | $2.44M | 0.00% | +134+0.4% | Added |
| Moody Aldrich Partners LLC | 34,530 | $2.55M | 0.43% | −11,782−25.4% | Reduced |
| State of New Jersey Common Pension Fund D | 35,598 | $2.63M | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 40,454 | $2.99M | 0.09% | +40,454 | New |
| First Trust Advisors LP | 41,703 | $3.08M | 0.00% | +25,339+154.8% | Added |
| UBS Asset Management Americas Inc | 42,830 | $3.17M | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 43,245 | $3.20M | 0.01% | +27,244+170.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 44,907 | $3.32M | 0.00% | +32,775+270.2% | Added |
| UBS Group AG | 45,199 | $3.34M | 0.00% | +4,936+12.3% | Added |
| Rhumbline Advisers | 45,862 | $3.39M | 0.00% | +301+0.7% | Added |
| Lazard Asset Management LLC | 49,571 | $3.67M | 0.00% | −14,865−23.1% | Reduced |
| Millennium Management LLC | 52,376 | $3.87M | 0.00% | +24,149+85.6% | Added |
| Apis Capital Advisors, LLC | 52,400 | $3.87M | 2.94% | +30,400+138.2% | Added |
| Lisanti Capital Growth, LLC | 58,495 | $4.33M | 1.05% | −50,940−46.5% | Reduced |
| Nicholas Investment Partners, LP | 58,921 | $4.36M | 0.45% | +423+0.7% | Added |
| Jane Street Group, LLC | 63,365 | $4.69M | 0.01% | −29,005−31.4% | Reduced |
| Renaissance Technologies LLC | 63,799 | $4.72M | 0.01% | +52,100+445.3% | Added |
| Pier Capital, LLC | 64,259 | $4.75M | 0.65% | +64,259 | New |
| Swiss National Bank | 64,300 | $4.75M | 0.00% | 00.0% | Unchanged |
| Lagoda Investment Management, L.P. | 65,125 | $4.82M | 2.95% | +15,135+30.3% | Added |
| Bullseye Asset Management LLC | 70,512 | $5.21M | 2.45% | 00.0% | Unchanged |
| Bank of Montreal | 69,161 | $5.22M | 0.00% | −11,065−13.8% | Reduced |
| Axiom Investors LLC | 71,845 | $5.31M | 0.05% | −11,905−14.2% | Reduced |
| Peregrine Capital Management LLC | 75,267 | $5.57M | 0.16% | +6,580+9.6% | Added |