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 2025
Institutional positions in TransMedics Group, Inc. as of Sep 30, 2025. 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
- 388
- +25 vs. Q2 2025
- Shares held
- 37.1M
- +406.6K (+1.1%) vs. Q2 2025
- Total value
- $4.17B
- −$753.0M (−15.3%) vs. Q2 2025
- New holders
- 75
- 152 more added
- Sold out
- 50
- 120 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Spire Wealth Management | 5,028 | $564.1K | 0.02% | −40−0.8% | Reduced |
| HRT Financial LP | 4,922 | $552.0K | 0.00% | +4,922 | New |
| Maryland State Retirement & Pension System | 4,901 | $549.9K | 0.01% | −5,042−50.7% | Reduced |
| Henshaw Capital LLC | 4,778 | $536.1K | 0.02% | −2,665−35.8% | Reduced |
| Precision Wealth Strategies, LLC | 4,772 | $535.4K | 0.17% | +4,772 | New |
| Virtu Financial LLC | 4,747 | $533.0K | 0.03% | −8,491−64.1% | Reduced |
| Investment Research Partners LLC | 3,948 | $530.3K | 0.24% | +3,948 | New |
| IFP Advisors, Inc | 4,721 | $529.7K | 0.01% | +108+2.3% | Added |
| SBI Securities Co., Ltd. | 4,651 | $521.8K | 0.01% | −836−15.2% | Reduced |
| Qsemble Capital Management, LP | 4,628 | $519.3K | 0.05% | +4,628 | New |
| Intrust Bank NA | 4,605 | $516.7K | 0.04% | −972−17.4% | Reduced |
| Russell Investments Group, Ltd. | 4,549 | $510.4K | 0.00% | −3,352−42.4% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 4,495 | $504.3K | 0.00% | +324+7.8% | Added |
| Pictet Asset Management Holding SA | 4,476 | $502.2K | 0.00% | 00.0% | Unchanged |
| Financial Engines Advisors L.L.C. | 4,314 | $484.0K | 0.00% | −4,673−52.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 4,169 | $479.0K | 0.00% | +4,169 | New |
| Teacher Retirement System of Texas | 4,219 | $473.4K | 0.00% | −648−13.3% | Reduced |
| Tudor Investment Corp Et Al | 4,138 | $464.3K | 0.00% | −119,578−96.7% | Reduced |
| Optimize Financial Inc | 4,063 | $455.9K | 0.24% | +4,063 | New |
| Alps Advisors Inc | 3,980 | $446.6K | 0.00% | +3,980 | New |
| Virtue Asset Management LLC | 3,878 | $435.1K | 0.36% | +3,878 | New |
| Quantbot Technologies LP | 3,863 | $433.4K | 0.01% | +3,863 | New |
| PharVision Advisers, LLC | 3,841 | $431.0K | 0.24% | +1,871+95.0% | Added |
| Mutual of America Capital Management LLC | 3,819 | $428.5K | 0.00% | −527−12.1% | Reduced |
| Catalytic Wealth RIA, LLC | 3,794 | $425.7K | 0.01% | +1,023+36.9% | Added |
| Pitcairn Co | 3,661 | $410.8K | 0.03% | −1,151−23.9% | Reduced |
| Aigen Investment Management, LP | 3,658 | $410.4K | 0.06% | +3,658 | New |
| The PNC Financial Services Group, Inc. | 3,639 | $408.3K | 0.00% | +604+19.9% | Added |
| First Citizens Bank & Trust Co | 3,548 | $398.1K | 0.01% | −177−4.8% | Reduced |
| CIBC Bancorp USA Inc. | 3,544 | $397.6K | 0.00% | +3,544 | New |
| Public Employees Retirement Association of Colorado | 3,539 | $397.0K | 0.00% | −19−0.5% | Reduced |
| Yorktown Management & Research Co Inc | 3,500 | $392.7K | 0.31% | +3,500 | New |
| Quadrature Capital Ltd | 3,499 | $392.5K | 0.00% | −5,408−60.7% | Reduced |
| Sapient Capital LLC | 3,458 | $389.5K | 0.01% | +200+6.1% | Added |
| Integrity Investment Advisors, LLC | 3,422 | $383.9K | 0.25% | 00.0% | Unchanged |
| Plan A Wealth LLC | 3,377 | $378.9K | 0.19% | +445+15.2% | Added |
| Versor Investments LP | 3,160 | $354.6K | 0.07% | +3,160 | New |
| Summit Global Investments | 3,148 | $353.0K | 0.02% | +3,148 | New |
| State of Wisconsin Investment Board | 3,070 | $344.5K | 0.00% | +29+1.0% | Added |
| Hager Investment Management Services, LLC | 3,021 | $339.0K | 0.18% | +1,057+53.8% | Added |
| Sugar Maple Asset Management, LLC | 3,000 | $336.6K | 0.24% | −1,000−25.0% | Reduced |
| Benjamin Edwards Inc | 2,986 | $335.0K | 0.00% | +2,986 | New |
| Headlands Technologies LLC | 2,981 | $334.5K | 0.03% | +2,981 | New |
| Dynamic Technology Lab Private Ltd | 2,931 | $329.0K | 0.06% | +2,931 | New |
| HighPoint Advisor Group LLC | 2,867 | $321.7K | 0.02% | +1,075+60.0% | Added |
| Keebeck Wealth Management, LLC | 2,835 | $318.1K | 0.04% | +2,835 | New |
| Bayesian Capital Management, LP | 2,800 | $314.2K | 0.06% | −3,400−54.8% | Reduced |
| Ameritas Investment Partners, Inc. | 2,778 | $311.7K | 0.01% | −616−18.1% | Reduced |
| Evergreen Capital Management LLC | 2,676 | $300.2K | 0.01% | +415+18.4% | Added |
| Sandhill Capital Partners LLC | 2,674 | $300.0K | 0.02% | −953−26.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,602 | $299.7K | 0.00% | +865+49.8% | Added |
| Xponance, Inc. | 2,612 | $293.1K | 0.00% | +30+1.2% | Added |
| Foundations Investment Advisors, LLC | 2,607 | $292.5K | 0.00% | +44+1.7% | Added |
| Inceptionr LLC | 2,552 | $286.3K | 0.07% | +2,552 | New |
| SLT Holdings LLC | 2,524 | $283.2K | 0.19% | +31+1.2% | Added |
| Truist Financial Corp | 2,455 | $275.5K | 0.00% | +2,455 | New |
| Jones Financial Companies LLLP | 2,413 | $274.8K | 0.00% | +21+0.9% | Added |
| Advisory Services Network, LLC | 2,442 | $274.0K | 0.00% | +2,442 | New |
| Guggenheim Capital LLC | 2,396 | $268.8K | 0.00% | +112+4.9% | Added |
| Capstone Investment Advisors, LLC | 2,344 | $263.0K | 0.00% | +2,344 | New |
| Neuberger Berman Group LLC | 2,329 | $261.3K | 0.00% | −243−9.4% | Reduced |
| CI Private Wealth, LLC | 2,327 | $261.1K | 0.00% | +36+1.6% | Added |
| Total Clarity Wealth Management, Inc. | 2,323 | $260.6K | 0.07% | −556−19.3% | Reduced |
| Marex Group plc | 2,261 | $253.7K | 0.00% | +2,261 | New |
| Rockefeller Capital Management L.P. | 2,242 | $251.6K | 0.00% | +2,242 | New |
| Guidance Capital, Inc | 1,887 | $246.3K | 0.06% | +1,887 | New |
| M&T Bank Corp | 2,187 | $245.8K | 0.00% | +630+40.5% | Added |
| Crossmark Global Holdings, Inc. | 2,187 | $245.4K | 0.00% | −282−11.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,172 | $243.7K | 0.00% | +2,172 | New |
| JustInvest LLC | 2,155 | $241.8K | 0.00% | +20+0.9% | Added |
| Simplex Trading, LLC | 2,151 | $241.0K | 0.01% | −13,998−86.7% | Reduced |
| ZWJ Investment Counsel Inc | 2,100 | $235.6K | 0.01% | +2,100 | New |
| Mackenzie Financial Corp | 2,086 | $234.0K | 0.00% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 1,973 | $221.4K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 1,925 | $216.0K | 0.00% | −130−6.3% | Reduced |
| Sava Infond d.o.o. | 1,900 | $213.2K | 0.03% | −100−5.0% | Reduced |
| Moors & Cabot, Inc. | 1,866 | $209.4K | 0.01% | +1,866 | New |
| Captrust Financial Advisors | 1,865 | $209.2K | 0.00% | +31+1.7% | Added |
| GAMMA Investing LLC | 1,846 | $207.1K | 0.01% | −36−1.9% | Reduced |
| Verus Capital Partners, LLC | 1,815 | $203.6K | 0.02% | +161+9.7% | Added |
| STRS Ohio | 1,800 | $202.0K | 0.00% | −800−30.8% | Reduced |
| New Age Alpha Advisors, LLC | 1,796 | $201.5K | 0.01% | −30−1.6% | Reduced |
| Canada Pension Plan Investment Board | 1,700 | $190.7K | 0.00% | −1,900−52.8% | Reduced |
| Quest Partners LLC | 1,550 | $173.9K | 0.01% | −400−20.5% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 1,546 | $173.5K | 0.04% | +1,516+5,053.3% | Added |
| Tower Research Capital LLC (TRC) | 1,537 | $172.5K | 0.00% | −2,053−57.2% | Reduced |
| NBC Securities, Inc. | 1,483 | $166.4K | 0.01% | −785−34.6% | Reduced |
| Walleye Trading LLC | 1,278 | $143.4K | 0.00% | +1,278 | New |
| Van Eck Associates Corp | 1,246 | $140.0K | 0.00% | +333+36.5% | Added |
| Generali Investments, Management Co LLC | 1,209 | $135.7K | 0.03% | +1,209 | New |
| Arcadia Investment Management Corp | 1,155 | $129.6K | 0.02% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 1,000 | $112.2K | 0.01% | +1,000 | New |
| KBC Group NV | 970 | $109.0K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 959 | $107.6K | 0.03% | +283+41.9% | Added |
| CWM, LLC | 897 | $101.0K | 0.00% | +140+18.5% | Added |
| Leonteq Securities AG | 777 | $87.2K | 0.00% | +719+1,239.7% | Added |
| State of Wyoming | 683 | $76.6K | 0.01% | +118+20.9% | Added |
| Smartleaf Asset Management LLC | 679 | $76.5K | 0.00% | +131+23.9% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 667 | $74.8K | 0.03% | +667 | New |
| Sachetta, LLC | 635 | $71.2K | 0.03% | 00.0% | Unchanged |