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 |
|---|---|---|---|---|---|
| Exchange Traded Concepts, LLC | 533 | $53.0K | 0.00% | +533 | New |
| Central Trust Co | 550 | $54.7K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 574 | $57.1K | 0.00% | +574 | New |
| Federation des caisses Desjardins du Quebec | 581 | $57.7K | 0.00% | −12−2.0% | Reduced |
| EverSource Wealth Advisors, LLC | 611 | $60.7K | 0.00% | +96+18.6% | Added |
| Eurizon Capital SGR S.p.A. | 655 | $62.1K | 0.00% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 675 | $67.1K | 0.02% | −9−1.3% | Reduced |
| Smartleaf Asset Management LLC | 771 | $72.7K | 0.00% | −423−35.4% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 770 | $76.5K | 0.01% | −2−0.3% | Reduced |
| CWM, LLC | 800 | $79.5K | 0.00% | +21+2.7% | Added |
| Morse Asset Management, Inc | 812 | $80.7K | 0.02% | +126+18.4% | Added |
| State of Wyoming | 863 | $85.8K | 0.01% | +39+4.7% | Added |
| Hantz Financial Services, Inc. | 870 | $86.0K | 0.00% | +559+179.7% | Added |
| KBC Group NV | 970 | $96.0K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 1,000 | $99.0K | 0.00% | +1,000 | New |
| China Universal Asset Management Co., Ltd. | 1,000 | $99.4K | 0.01% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,050 | $104.4K | 0.01% | −1,457−58.1% | Reduced |
| Arcadia Investment Management Corp | 1,155 | $114.8K | 0.02% | 00.0% | Unchanged |
| Signature Equity Partners, LLC | 1,195 | $118.8K | 0.06% | +1,195 | New |
| STRS Ohio | 1,700 | $169.0K | 0.00% | −100−5.6% | Reduced |
| New Age Alpha Advisors, LLC | 1,758 | $174.8K | 0.01% | −42−2.3% | Reduced |
| Rockefeller Capital Management L.P. | 1,782 | $177.1K | 0.00% | +1,583+795.5% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 1,800 | $178.9K | 0.07% | −996−35.6% | Reduced |
| Global Assets Advisory, LLC | 1,870 | $185.9K | 0.06% | +1,870 | New |
| GAMMA Investing LLC | 1,906 | $189.5K | 0.01% | +15+0.8% | Added |
| Penserra Capital Management LLC | 2,010 | $199.0K | 0.00% | −4,273−68.0% | Reduced |
| Stansberry Asset Management, LLC | 2,016 | $200.4K | 0.02% | 00.0% | Unchanged |
| Van Eck Associates Corp | 2,072 | $206.0K | 0.00% | +288+16.1% | Added |
| Moors & Cabot, Inc. | 2,077 | $206.5K | 0.01% | +211+11.3% | Added |
| Advisors Asset Management, Inc. | 2,082 | $207.0K | 0.00% | +426+25.7% | Added |
| Bleichroeder LP | 2,100 | $208.8K | 0.04% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 2,137 | $212.4K | 0.00% | −10,405−83.0% | Reduced |
| Integrated Wealth Concepts LLC | 2,191 | $217.8K | 0.00% | +2,191 | New |
| Aigen Investment Management, LP | 2,194 | $218.1K | 0.06% | +2,194 | New |
| Walleye Capital LLC | 2,213 | $220.0K | 0.00% | +561+34.0% | Added |
| Integrity Investment Advisors, LLC | 2,222 | $220.9K | 0.12% | −8−0.4% | Reduced |
| Vident Advisory, LLC | 2,229 | $221.6K | 0.00% | +2,229 | New |
| Crossmark Global Holdings, Inc. | 2,280 | $226.7K | 0.00% | +5+0.2% | Added |
| CAPROCK Group, Inc. | 2,312 | $229.8K | 0.01% | +295+14.6% | Added |
| Total Clarity Wealth Management, Inc. | 2,322 | $230.8K | 0.05% | +112+5.1% | Added |
| Clearview Wealth Management LLC | 2,326 | $231.2K | 0.16% | +2,326 | New |
| Fiduciary Alliance LLC | 2,016 | $234.1K | 0.01% | +2,016 | New |
| Tower Research Capital LLC (TRC) | 2,392 | $237.8K | 0.01% | −1,360−36.2% | Reduced |
| IHT Wealth Management, LLC | 2,393 | $237.9K | 0.01% | +2,393 | New |
| Pacer Advisors, Inc. | 2,391 | $238.0K | 0.00% | +1,061+79.8% | Added |
| Acadian Asset Management LLC | 2,451 | $243.0K | 0.00% | −6,667−73.1% | Reduced |
| Allworth Financial LP | 2,465 | $245.0K | 0.00% | +2,190+796.4% | Added |
| D. E. Shaw & Co., Inc. | 2,481 | $246.6K | 0.00% | +2,481 | New |
| Truefg, LLC | 2,500 | $248.5K | 0.07% | 00.0% | Unchanged |
| 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 |
| Prelude Capital Management, LLC | 2,586 | $257.1K | 0.02% | +541+26.5% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 2,637 | $262.1K | 0.04% | +10.0% | Added |
| Cresset Asset Management, LLC | 2,648 | $263.2K | 0.00% | +2,648 | New |
| Gsa Capital Partners LLP | 2,745 | $273.0K | 0.02% | +512+22.9% | Added |
| Ameritas Investment Partners, Inc. | 2,778 | $276.2K | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 2,814 | $279.7K | 0.01% | −4,971−63.9% | Reduced |
| Inspire Advisors, LLC | 2,831 | $281.4K | 0.02% | −875−23.6% | Reduced |
| CSS LLC | 2,880 | $286.3K | 0.02% | 00.0% | Unchanged |
| Polymer Capital Management (US) LLC | 2,916 | $289.9K | 0.04% | −8,281−74.0% | Reduced |
| Ausdal Financial Partners, Inc. | 2,920 | $290.2K | 0.01% | +2,920 | New |
| M&T Bank Corp | 2,929 | $290.7K | 0.00% | −33−1.1% | Reduced |
| Sugar Maple Asset Management, LLC | 3,000 | $298.2K | 0.18% | 00.0% | Unchanged |
| Cynosure Management, LLC | 3,036 | $301.8K | 0.04% | +3,036 | New |
| Sava Infond d.o.o. | 3,100 | $308.2K | 0.04% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 3,156 | $313.7K | 0.00% | +465+17.3% | Added |
| Xponance, Inc. | 3,161 | $314.2K | 0.00% | +514+19.4% | Added |
| Advyzon Investment Management, LLC | 3,196 | $317.7K | 0.03% | +3,196 | New |
| Jones Financial Companies LLLP | 3,212 | $318.1K | 0.00% | +826+34.6% | Added |
| SLT Holdings LLC | 3,224 | $320.5K | 0.23% | −875−21.3% | Reduced |
| Massachusetts Financial Services Co | 3,232 | $321.3K | 0.00% | −84−2.5% | Reduced |
| Pathstone Holdings, LLC | 3,238 | $321.9K | 0.00% | −3,092−48.8% | Reduced |
| SBI Securities Co., Ltd. | 3,287 | $326.8K | 0.01% | −20−0.6% | Reduced |
| JustInvest LLC | 3,329 | $330.9K | 0.00% | +993+42.5% | Added |
| First Citizens Bank & Trust Co | 3,355 | $333.5K | 0.01% | −214−6.0% | Reduced |
| Foundations Investment Advisors, LLC | 3,357 | $333.7K | 0.00% | −825−19.7% | Reduced |
| Blueshift Asset Management, LLC | 3,358 | $333.8K | 0.10% | +667+24.8% | Added |
| Caitong International Asset Management Co., Ltd | 3,364 | $334.4K | 0.06% | +3,363+336,300.0% | Added |
| Farther Finance Advisors, LLC | 3,353 | $336.6K | 0.00% | +2,287+214.5% | Added |
| Optimize Financial Inc | 3,419 | $339.9K | 0.17% | −700−17.0% | Reduced |
| Evergreen Capital Management LLC | 3,540 | $351.9K | 0.01% | +1,184+50.3% | Added |
| Public Employees Retirement Association of Colorado | 3,539 | $352.0K | 0.00% | 00.0% | Unchanged |
| Bokf, NA | 3,591 | $357.0K | 0.01% | +3,591 | New |
| nVerses Capital, LLC | 3,644 | $362.3K | 0.33% | +3,644 | New |
| HighPoint Advisor Group LLC | 3,646 | $362.4K | 0.02% | −2,092−36.5% | Reduced |
| The PNC Financial Services Group, Inc. | 3,654 | $363.2K | 0.00% | +7+0.2% | Added |
| Swiss Life Asset Management Ltd | 3,698 | $367.6K | 0.00% | +700+23.3% | Added |
| Hager Investment Management Services, LLC | 3,789 | $376.7K | 0.21% | +333+9.6% | Added |
| Virtue Asset Management LLC | 3,818 | $379.5K | 0.30% | −122−3.1% | Reduced |
| Plan A Wealth LLC | 3,859 | $383.6K | 0.18% | +283+7.9% | Added |
| Mutual of America Capital Management LLC | 3,911 | $388.8K | 0.00% | +5+0.1% | Added |
| Alps Advisors Inc | 4,011 | $398.7K | 0.00% | −3−0.1% | Reduced |
| DnB Asset Management AS | 4,202 | $417.7K | 0.00% | +4,202 | New |
| Envestnet Portfolio Solutions, Inc. | 4,339 | $431.3K | 0.00% | −363−7.7% | Reduced |
| Investment Research Partners LLC | 4,352 | $432.6K | 0.18% | +386+9.7% | Added |
| Precision Wealth Strategies, LLC | 4,357 | $433.1K | 0.14% | +4,357 | New |
| Phoenix Holdings Ltd. | 4,371 | $434.2K | 0.00% | +1,480+51.2% | Added |
| Odyssean, LLC | 4,390 | $436.4K | 0.16% | +4,390 | New |
| Financial Engines Advisors L.L.C. | 4,405 | $437.9K | 0.00% | +43+1.0% | Added |
| IFP Advisors, Inc | 4,439 | $441.3K | 0.01% | +169+4.0% | Added |