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 2026
Institutional positions in TransMedics Group, Inc. as of Mar 31, 2026. 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
- 416
- −3 vs. Q4 2025
- Shares held
- 36.5M
- +2.95M (+8.8%) vs. Q4 2025
- Total value
- $3.63B
- −$453.7M (−11.1%) vs. Q4 2025
- New holders
- 67
- 149 more added
- Sold out
- 70
- 137 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Catalyst Capital Advisors LLC | 5,355 | $532.3K | 0.01% | −1,220−18.6% | Reduced |
| Kestra Advisory Services, LLC | 5,272 | $524.1K | 0.00% | −397−7.0% | Reduced |
| Pictet Asset Management Holding SA | 5,266 | $523.5K | 0.00% | +408+8.4% | Added |
| Ieq Capital, LLC | 5,195 | $516.4K | 0.00% | +5,195 | New |
| Keebeck Wealth Management, LLC | 5,175 | $514.4K | 0.06% | +572+12.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 5,137 | $510.7K | 0.00% | −1,595−23.7% | Reduced |
| Cornerstone Wealth Management, LLC | 5,097 | $506.7K | 0.03% | −19−0.4% | Reduced |
| RB Capital Management, LLC | 5,081 | $505.1K | 0.11% | 00.0% | Unchanged |
| Prosight Management, LP | 5,000 | $497.1K | 0.08% | +5,000 | New |
| Maryland State Retirement & Pension System | 4,972 | $494.3K | 0.01% | −43−0.9% | Reduced |
| Abundance Wealth Counselors | 4,891 | $486.2K | 0.07% | −1,271−20.6% | Reduced |
| Private Advisor Group, LLC | 4,721 | $469.3K | 0.00% | +4,721 | New |
| CFG Wealth Management Services, Inc. | 4,689 | $466.1K | 0.42% | +4,689 | New |
| Intrust Bank NA | 4,642 | $461.5K | 0.04% | +86+1.9% | Added |
| Generali Investments, Management Co LLC | 4,614 | $458.7K | 0.11% | +1,736+60.3% | Added |
| Los Angeles Capital Management LLC | 4,590 | $456.3K | 0.00% | −20,970−82.0% | Reduced |
| IFP Advisors, Inc | 4,439 | $441.3K | 0.01% | +169+4.0% | Added |
| Financial Engines Advisors L.L.C. | 4,405 | $437.9K | 0.00% | +43+1.0% | Added |
| Odyssean, LLC | 4,390 | $436.4K | 0.16% | +4,390 | New |
| Phoenix Holdings Ltd. | 4,371 | $434.2K | 0.00% | +1,480+51.2% | Added |
| Precision Wealth Strategies, LLC | 4,357 | $433.1K | 0.14% | +4,357 | New |
| Investment Research Partners LLC | 4,352 | $432.6K | 0.18% | +386+9.7% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,339 | $431.3K | 0.00% | −363−7.7% | Reduced |
| DnB Asset Management AS | 4,202 | $417.7K | 0.00% | +4,202 | New |
| Alps Advisors Inc | 4,011 | $398.7K | 0.00% | −3−0.1% | Reduced |
| Mutual of America Capital Management LLC | 3,911 | $388.8K | 0.00% | +5+0.1% | Added |
| Plan A Wealth LLC | 3,859 | $383.6K | 0.18% | +283+7.9% | Added |
| Virtue Asset Management LLC | 3,818 | $379.5K | 0.30% | −122−3.1% | Reduced |
| Hager Investment Management Services, LLC | 3,789 | $376.7K | 0.21% | +333+9.6% | Added |
| Swiss Life Asset Management Ltd | 3,698 | $367.6K | 0.00% | +700+23.3% | Added |
| The PNC Financial Services Group, Inc. | 3,654 | $363.2K | 0.00% | +7+0.2% | Added |
| HighPoint Advisor Group LLC | 3,646 | $362.4K | 0.02% | −2,092−36.5% | Reduced |
| nVerses Capital, LLC | 3,644 | $362.3K | 0.33% | +3,644 | New |
| Bokf, NA | 3,591 | $357.0K | 0.01% | +3,591 | New |
| Public Employees Retirement Association of Colorado | 3,539 | $352.0K | 0.00% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 3,540 | $351.9K | 0.01% | +1,184+50.3% | Added |
| Optimize Financial Inc | 3,419 | $339.9K | 0.17% | −700−17.0% | Reduced |
| Farther Finance Advisors, LLC | 3,353 | $336.6K | 0.00% | +2,287+214.5% | Added |
| Caitong International Asset Management Co., Ltd | 3,364 | $334.4K | 0.06% | +3,363+336,300.0% | Added |
| Blueshift Asset Management, LLC | 3,358 | $333.8K | 0.10% | +667+24.8% | Added |
| Foundations Investment Advisors, LLC | 3,357 | $333.7K | 0.00% | −825−19.7% | Reduced |
| First Citizens Bank & Trust Co | 3,355 | $333.5K | 0.01% | −214−6.0% | Reduced |
| JustInvest LLC | 3,329 | $330.9K | 0.00% | +993+42.5% | Added |
| SBI Securities Co., Ltd. | 3,287 | $326.8K | 0.01% | −20−0.6% | Reduced |
| Pathstone Holdings, LLC | 3,238 | $321.9K | 0.00% | −3,092−48.8% | Reduced |
| Massachusetts Financial Services Co | 3,232 | $321.3K | 0.00% | −84−2.5% | Reduced |
| SLT Holdings LLC | 3,224 | $320.5K | 0.23% | −875−21.3% | Reduced |
| Jones Financial Companies LLLP | 3,212 | $318.1K | 0.00% | +826+34.6% | Added |
| Advyzon Investment Management, LLC | 3,196 | $317.7K | 0.03% | +3,196 | New |
| Xponance, Inc. | 3,161 | $314.2K | 0.00% | +514+19.4% | Added |
| Neuberger Berman Group LLC | 3,156 | $313.7K | 0.00% | +465+17.3% | Added |
| Sava Infond d.o.o. | 3,100 | $308.2K | 0.04% | 00.0% | Unchanged |
| Cynosure Management, LLC | 3,036 | $301.8K | 0.04% | +3,036 | New |
| Sugar Maple Asset Management, LLC | 3,000 | $298.2K | 0.18% | 00.0% | Unchanged |
| M&T Bank Corp | 2,929 | $290.7K | 0.00% | −33−1.1% | Reduced |
| Ausdal Financial Partners, Inc. | 2,920 | $290.2K | 0.01% | +2,920 | New |
| Polymer Capital Management (US) LLC | 2,916 | $289.9K | 0.04% | −8,281−74.0% | Reduced |
| CSS LLC | 2,880 | $286.3K | 0.02% | 00.0% | Unchanged |
| Inspire Advisors, LLC | 2,831 | $281.4K | 0.02% | −875−23.6% | Reduced |
| Graham Capital Management, L.P. | 2,814 | $279.7K | 0.01% | −4,971−63.9% | Reduced |
| Ameritas Investment Partners, Inc. | 2,778 | $276.2K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 2,745 | $273.0K | 0.02% | +512+22.9% | Added |
| Cresset Asset Management, LLC | 2,648 | $263.2K | 0.00% | +2,648 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 2,637 | $262.1K | 0.04% | +10.0% | Added |
| Prelude Capital Management, LLC | 2,586 | $257.1K | 0.02% | +541+26.5% | Added |
| Truist Financial Corp | 2,512 | $249.7K | 0.00% | +36+1.5% | Added |
| Highland Capital Management, LLC | 2,512 | $249.7K | 0.01% | +2,512 | New |
| Truefg, LLC | 2,500 | $248.5K | 0.07% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 2,481 | $246.6K | 0.00% | +2,481 | New |
| Allworth Financial LP | 2,465 | $245.0K | 0.00% | +2,190+796.4% | Added |
| Acadian Asset Management LLC | 2,451 | $243.0K | 0.00% | −6,667−73.1% | Reduced |
| Pacer Advisors, Inc. | 2,391 | $238.0K | 0.00% | +1,061+79.8% | Added |
| IHT Wealth Management, LLC | 2,393 | $237.9K | 0.01% | +2,393 | New |
| Tower Research Capital LLC (TRC) | 2,392 | $237.8K | 0.01% | −1,360−36.2% | Reduced |
| Fiduciary Alliance LLC | 2,016 | $234.1K | 0.01% | +2,016 | New |
| Clearview Wealth Management LLC | 2,326 | $231.2K | 0.16% | +2,326 | New |
| Total Clarity Wealth Management, Inc. | 2,322 | $230.8K | 0.05% | +112+5.1% | Added |
| CAPROCK Group, Inc. | 2,312 | $229.8K | 0.01% | +295+14.6% | Added |
| Crossmark Global Holdings, Inc. | 2,280 | $226.7K | 0.00% | +5+0.2% | Added |
| Vident Advisory, LLC | 2,229 | $221.6K | 0.00% | +2,229 | New |
| Integrity Investment Advisors, LLC | 2,222 | $220.9K | 0.12% | −8−0.4% | Reduced |
| Walleye Capital LLC | 2,213 | $220.0K | 0.00% | +561+34.0% | Added |
| Aigen Investment Management, LP | 2,194 | $218.1K | 0.06% | +2,194 | New |
| Integrated Wealth Concepts LLC | 2,191 | $217.8K | 0.00% | +2,191 | New |
| Guggenheim Capital LLC | 2,137 | $212.4K | 0.00% | −10,405−83.0% | Reduced |
| Bleichroeder LP | 2,100 | $208.8K | 0.04% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 2,082 | $207.0K | 0.00% | +426+25.7% | Added |
| Moors & Cabot, Inc. | 2,077 | $206.5K | 0.01% | +211+11.3% | Added |
| Van Eck Associates Corp | 2,072 | $206.0K | 0.00% | +288+16.1% | Added |
| Stansberry Asset Management, LLC | 2,016 | $200.4K | 0.02% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 2,010 | $199.0K | 0.00% | −4,273−68.0% | Reduced |
| GAMMA Investing LLC | 1,906 | $189.5K | 0.01% | +15+0.8% | Added |
| Global Assets Advisory, LLC | 1,870 | $185.9K | 0.06% | +1,870 | New |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 1,800 | $178.9K | 0.07% | −996−35.6% | Reduced |
| Rockefeller Capital Management L.P. | 1,782 | $177.1K | 0.00% | +1,583+795.5% | Added |
| New Age Alpha Advisors, LLC | 1,758 | $174.8K | 0.01% | −42−2.3% | Reduced |
| STRS Ohio | 1,700 | $169.0K | 0.00% | −100−5.6% | Reduced |
| Signature Equity Partners, LLC | 1,195 | $118.8K | 0.06% | +1,195 | New |
| Arcadia Investment Management Corp | 1,155 | $114.8K | 0.02% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,050 | $104.4K | 0.01% | −1,457−58.1% | Reduced |