Transmedics GroupTMDX
13F holders, Q1 2026 (March 31)416holders −13
58new positions
68sold out
6famous investors
$99.41avg. 13F price*
At the end of Q1 2026, 416 institutions reported holding Transmedics Group Inc. (TMDX) in their 13F filings, down 13 from Q4 2025. 58 opened new positions and 68 sold out. The largest holders were BlackRock, Inc. ($526.2M), FMR LLC ($506.6M) and Vanguard Portfolio Management LLC ($190.8M). 6 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Transmedics Group Inc.
- CUSIP
- 89377M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 58 | $65.4M |
| Exits | 68 | $71.2M |
All 13F filers, Q4 2025 → Q1 2026: 2,732,981 shares bought and 3,153,892 shares sold, net −420,911 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 416 holders
| BlackRock, Inc. | 0.01% | Reduce -1.9% | 5,293,331 | $526.2M |
| FMR LLC | 0.03% | Add +0.4% | 5,096,243 | $506.6M |
| Vanguard Portfolio Management LLC | 0.01% | — | 1,919,535 | $190.8M |
| Vanguard Capital Management LLC | 0.00% | — | 1,478,152 | $146.9M |
| State Street Corp. | 0.00% | Add +3.5% | 1,319,479 | $131.2M |
| Invesco Ltd. | 0.01% | Add +51.6% | 1,037,974 | $103.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Reduce -5.8% | 939,523 | $93.4M |
| Nomura Asset Management International Inc. | 0.15% | Add +6.4% | 885,841 | $88.1M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -10.3% | 866,282 | $86.1M |
| Geode Capital Management, LLC | 0.01% | Add +2.8% | 839,155 | $83.4M |
| Hood River Capital Management LLC | 0.70% | Add +1.4% | 699,770 | $69.6M |
| Morgan Stanley | 0.00% | Add +4.0% | 694,150 | $69.0M |
| UBS Group AG | 0.01% | Reduce -11.9% | 580,793 | $57.7M |
| Eventide Asset Management, LLC | 0.90% | Add +0.1% | 548,824 | $54.5M |
| Dimensional Fund Advisors LP | 0.01% | Add +5.5% | 516,679 | $51.4M |
| Wellington Management Group LLP | 0.01% | Add +12.3% | 486,473 | $48.4M |
| Capital World Investors | 0.01% | Add +64.5% | 374,177 | $37.2M |
| Citigroup Inc. | 0.02% | Add +396.1% | 357,381 | $35.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -39.2% | 346,683 | $34.5M |
| Wasatch Advisors LP | 0.23% | Add +4.3% | 346,144 | $34.4M |
| Emerald Advisers, LLC | 1.08% | Reduce -2.4% | 342,791 | $34.1M |
| Northern Trust Corp. | 0.00% | Reduce -0.3% | 338,159 | $33.6M |
| Braidwell LP | 1.25% | Add +4.5% | 329,391 | $32.7M |
| Two Sigma Investments, LP | 0.03% | Reduce -25.4% | 325,140 | $32.3M |
| Frontier Capital Management Co. LLC | 0.33% | Add +5.8% | 320,471 | $31.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.3% | 318,926 | $31.7M |
| Millennium Management | 0.02% | Add +105.4% | 306,080 | $30.4M |
| Baillie Gifford & Co. | 0.03% | Reduce -3.6% | 305,194 | $30.3M |
| Bank of America Corp. | 0.00% | Add +5.7% | 295,176 | $29.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -17.8% | 308,341 | $29.1M |
| Zevenbergen Capital Investments LLC | 0.82% | Add +2.3% | 286,521 | $28.5M |
| Wells Fargo & Company | 0.01% | Add +5.9% | 273,801 | $27.2M |
| Royce & Associates LP | 0.24% | Add +0.5% | 244,382 | $24.3M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 236,394 | $23.5M |
| Principal Financial Group Inc. | 0.01% | Add +19.4% | 231,433 | $23.0M |
| Emerald Mutual Fund Advisers Trust | 1.11% | Reduce -0.3% | 229,326 | $22.8M |
| Lord, Abbett & Co. LLC | 0.07% | Reduce -1.3% | 213,973 | $21.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.3% | 211,368 | $21.0M |
| Deutsche Bank AG | 0.01% | Add +18.8% | 195,433 | $19.4M |
| Barclays PLC | 0.01% | Reduce -4.6% | 190,578 | $18.9M |
| Blair William & Co. | 0.05% | Add +28.1% | 174,017 | $17.3M |
| ArrowMark Colorado Holdings LLC | 0.45% | Reduce -8.5% | 171,068 | $17.0M |
| Candriam S.C.A. | 0.08% | Add +45.4% | 158,766 | $15.8M |
| Man Group plc | 0.03% | Add +65.6% | 158,409 | $15.7M |
| Davidson Kempner Capital Management LP | 0.40% | No change | 146,400 | $14.6M |
| BNP Paribas Financial Markets | 0.01% | Reduce -31.0% | 144,529 | $14.4M |
| Susquehanna International Group, LLP | 0.02% | New | 133,875 | $13.3M |
| FirstWave Capital Management LLC | 13.18% | Add +66.7% | 124,268 | $12.4M |
| Public Sector Pension Investment Board | 0.04% | Add +3.4% | 122,255 | $12.2M |
| Envestnet Asset Management Inc. | 0.00% | Add +169.9% | 116,546 | $11.6M |
| ExodusPoint Capital Management, LP | 0.11% | New | 115,345 | $11.5M |
| Oppenheimer & Co. Inc. | 0.14% | Reduce -2.6% | 113,472 | $11.3M |
| Raymond James Financial Inc. | 0.00% | Add +2.2% | 115,035 | $11.1M |
| Trexquant Investment LP | 0.08% | Add +14.9% | 106,300 | $10.6M |
| Ameriprise Financial Inc. | 0.00% | Reduce -15.8% | 104,714 | $10.4M |
| Bellevue Group AG | 0.24% | Add +3.3% | 101,139 | $10.1M |
| Brown Capital Management LLC | 1.38% | Reduce -32.9% | 97,954 | $9.7M |
| Next Century Growth Investors LLC | 0.69% | Reduce -2.0% | 96,445 | $9.6M |
| Renaissance Group LLC | 0.39% | Add +21.1% | 93,543 | $9.3M |
| Lagoda Investment Management, L.P. | 5.55% | Reduce -13.6% | 90,530 | $9.0M |
| Rhumbline Advisers | 0.01% | Add +2.0% | 89,824 | $8.9M |
| Credit Agricole S A | 0.03% | Add +0.2% | 87,389 | $8.7M |
| Legal & General Group Plc | 0.00% | Reduce -8.3% | 78,753 | $7.8M |
| Montanaro Asset Management Ltd | 2.34% | Reduce -22.8% | 78,739 | $7.8M |
| Nuveen, LLC | 0.00% | Add +4.3% | 78,419 | $7.8M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -6.3% | 75,569 | $7.5M |
| Janus Henderson Group PLC | 0.00% | Add +2.1% | 73,488 | $7.3M |
| Sei Investments Co. | 0.01% | Add +25.9% | 69,629 | $6.9M |
| Bank of Montreal | 0.00% | Reduce -44.1% | 69,366 | $6.9M |
| Longaeva Partners L.P. | 0.33% | New | 69,057 | $6.9M |
| Lazard Asset Management LLC | 0.01% | Add +26.0% | 64,794 | $6.4M |
| Swiss National Bank | 0.00% | Add +0.5% | 64,200 | $6.4M |
| American Century Companies Inc. | 0.00% | Add +302.6% | 62,595 | $6.2M |
| Prudential Financial Inc. | 0.01% | Add +7.9% | 61,630 | $6.1M |
| Citadel Advisors | 0.00% | Reduce -57.0% | 61,601 | $6.1M |
| Bastion Asset Management Inc. | 1.86% | Reduce -3.7% | 55,463 | $6.1M |
| Biondo Investment Advisors, LLC | 0.74% | Add +1.3% | 57,970 | $5.8M |
| Peregrine Capital Management LLC | 0.21% | Reduce -4.9% | 57,184 | $5.7M |
| First Trust Advisors LP | 0.00% | Add +111.5% | 53,889 | $5.4M |
| Engineers Gate Manager LP | 0.07% | Add +282.1% | 52,625 | $5.2M |
| Alliancebernstein L.P. | 0.00% | Add +1.5% | 42,764 | $5.2M |
| Federated Hermes, Inc. | 0.01% | Add +8.6% | 51,386 | $5.1M |
| Integrated Advisors Network LLC | 0.25% | New | 47,590 | $4.7M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -48.9% | 47,275 | $4.7M |
| King Luther Capital Management Corp. | 0.02% | Add +135.4% | 47,084 | $4.7M |
| Bessemer Group Inc. | 0.01% | Add +38.8% | 45,821 | $4.6M |
| Beaconlight Capital, LLC | 2.38% | Add +44.8% | 42,478 | $4.2M |
| Trillium Asset Management, LLC | 0.14% | Add +34.2% | 37,411 | $4.1M |
| Tudor Investment Corporation | 0.02% | New | 40,217 | $4.0M |
| Driehaus Capital Management LLC | 0.03% | Reduce -94.4% | 40,114 | $4.0M |
| F/m Investments LLC | 0.26% | Reduce -38.8% | 40,086 | $4.0M |
| LPL Financial LLC | 0.00% | Add +27.6% | 39,896 | $4.0M |
| Nordea Investment Management AB | 0.00% | Add +21.4% | 38,830 | $3.8M |
| California State Teachers Retirement System | 0.00% | Add +22.8% | 37,840 | $3.8M |
| Gotham Asset Management | 0.01% | Reduce -7.5% | 37,820 | $3.8M |
| HRT Financial LP | 0.01% | New | 33,102 | $3.3M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 32,909 | $3.3M |
| Hussman Strategic Advisors, Inc. | 0.68% | Add +114.3% | 31,500 | $3.1M |
| Geneos Wealth Management Inc. | 0.07% | New | 30,635 | $3.0M |
| State of Wisconsin Investment Board | 0.01% | Reduce -4.2% | 30,618 | $3.0M |
"% of holder's portfolio" is TMDX's weight in each manager's 13F, not the share of Transmedics Group Inc. the manager owns.