Transmedics GroupTMDX
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 429 institutions reported holding Transmedics Group Inc. (TMDX) in their 13F filings, up 41 from Q3 2025. 66 opened new positions and 44 sold out. The largest holders were BlackRock, Inc. ($656.3M), FMR LLC ($617.6M) and Vanguard Group Inc. ($438.6M). 5 famous investors held it, including Joel Greenblatt (0.0% of Gotham Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Transmedics Group Inc.
- CUSIP
- 89377M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 66 | $45.7M |
| Exits | 44 | $159.0M |
All 13F filers, Q3 2025 → Q4 2025: 2,823,457 shares bought and 3,649,949 shares sold, net −826,492 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 429 holders
| BlackRock, Inc. | 0.01% | Add +1.2% | 5,395,232 | $656.3M |
| FMR LLC | 0.03% | Add +0.3% | 5,077,036 | $617.6M |
| Vanguard Group Inc. | 0.01% | Reduce -0.0% | 3,605,279 | $438.6M |
| State Street Corp. | 0.01% | Reduce -0.3% | 1,275,133 | $155.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -6.8% | 996,878 | $121.3M |
| Goldman Sachs Group Inc. | 0.02% | Add +37.3% | 965,931 | $117.5M |
| Nomura Asset Management International Inc. | 0.15% | — | 832,241 | $101.2M |
| Geode Capital Management, LLC | 0.01% | Add +0.4% | 816,474 | $99.3M |
| Driehaus Capital Management LLC | 0.59% | Reduce -3.5% | 712,041 | $86.6M |
| Hood River Capital Management LLC | 0.92% | Add +1.8% | 690,357 | $84.0M |
| Invesco Ltd. | 0.01% | Add +77.4% | 684,574 | $83.3M |
| Morgan Stanley | 0.00% | Add +21.9% | 667,761 | $81.2M |
| UBS Group AG | 0.02% | Reduce -23.0% | 659,296 | $80.2M |
| T. Rowe Price Associates Inc. | 0.01% | Add +43.1% | 569,970 | $69.3M |
| Eventide Asset Management, LLC | 1.04% | Add +0.2% | 548,267 | $66.7M |
| Dimensional Fund Advisors LP | 0.01% | Add +8.6% | 489,710 | $59.6M |
| Two Sigma Investments, LP | 0.08% | Reduce -31.4% | 435,969 | $53.0M |
| Wellington Management Group LLP | 0.01% | Add +100.5% | 433,321 | $52.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -4.4% | 375,261 | $45.7M |
| Two Sigma Advisers, LP | 0.09% | Reduce -14.4% | 362,300 | $44.1M |
| Emerald Advisers, LLC | 1.32% | Reduce -9.3% | 351,349 | $42.7M |
| Northern Trust Corp. | 0.01% | Reduce -2.4% | 339,216 | $41.3M |
| Wasatch Advisors LP | 0.24% | Add +2.0% | 331,848 | $40.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.7% | 323,026 | $39.3M |
| Baillie Gifford & Co. | 0.03% | Add +21.4% | 316,473 | $38.5M |
| Braidwell LP | 1.47% | Reduce -10.2% | 315,341 | $38.4M |
| Frontier Capital Management Co. LLC | 0.39% | Add +38.0% | 302,760 | $36.8M |
| Zevenbergen Capital Investments LLC | 0.76% | Add +8.4% | 280,178 | $34.1M |
| Bank of America Corp. | 0.00% | Add +29.3% | 279,303 | $34.0M |
| Wells Fargo & Company | 0.01% | Add +15.0% | 258,550 | $31.5M |
| Royce & Associates LP | 0.30% | No change | 243,149 | $29.6M |
| Emerald Mutual Fund Advisers Trust | 1.36% | Reduce -3.6% | 229,901 | $28.0M |
| Capital World Investors | 0.00% | No change | 227,441 | $27.7M |
| Bank of New York Mellon Corp | 0.00% | Add +3.2% | 218,596 | $26.6M |
| Lord, Abbett & Co. LLC | 0.08% | Add +62.6% | 216,873 | $26.4M |
| BNP Paribas Financial Markets | 0.02% | Reduce -0.3% | 209,529 | $25.5M |
| Barclays PLC | 0.01% | Reduce -1.1% | 199,705 | $24.3M |
| Principal Financial Group Inc. | 0.01% | Reduce -19.9% | 193,777 | $23.6M |
| Marshall Wace, LLP | 0.02% | Reduce -64.8% | 190,470 | $23.2M |
| ArrowMark Colorado Holdings LLC | 0.50% | Reduce -40.3% | 186,979 | $22.7M |
| Deutsche Bank AG | 0.01% | Reduce -4.7% | 164,573 | $20.0M |
| Millennium Management | 0.01% | Add +205.3% | 149,031 | $18.1M |
| Davidson Kempner Capital Management LP | 0.37% | No change | 146,400 | $17.8M |
| Brown Capital Management LLC | 1.46% | Reduce -53.5% | 145,918 | $17.8M |
| Citadel Advisors | 0.01% | Add +14.7% | 143,247 | $17.4M |
| Blair William & Co. | 0.04% | Add +136.6% | 135,889 | $16.5M |
| Ameriprise Financial Inc. | 0.00% | Add +8.3% | 124,339 | $15.1M |
| Bank of Montreal | 0.01% | Add +18.1% | 124,186 | $15.1M |
| Public Sector Pension Investment Board | 0.05% | Reduce -11.1% | 118,256 | $14.4M |
| Oppenheimer & Co. Inc. | 0.20% | Add +4.4% | 116,566 | $14.2M |
| Raymond James Financial Inc. | 0.00% | Reduce -0.4% | 112,532 | $13.7M |
| Squarepoint Ops LLC | 0.03% | Reduce -16.6% | 110,496 | $13.4M |
| Candriam S.C.A. | 0.07% | New | 109,186 | $13.3M |
| State of Michigan Retirement System | 0.06% | No change | 108,000 | $13.1M |
| Lagoda Investment Management, L.P. | 7.38% | Reduce -3.0% | 104,800 | $12.7M |
| Panagora Asset Management Inc. | 0.04% | Add +33.7% | 102,025 | $12.4M |
| Montanaro Asset Management Ltd | 3.46% | Reduce -21.9% | 101,939 | $12.4M |
| Next Century Growth Investors LLC | 0.83% | Add +81.2% | 98,468 | $12.0M |
| Bellevue Group AG | 0.23% | Reduce -16.3% | 97,885 | $11.9M |
| Portolan Capital Management, LLC | 0.63% | Add +40.6% | 96,893 | $11.8M |
| Man Group plc | 0.02% | Reduce -15.8% | 95,664 | $11.6M |
| Trexquant Investment LP | 0.10% | Add +15.0% | 92,481 | $11.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.02% | Add +41.5% | 92,446 | $11.2M |
| Schonfeld Strategic Advisors LLC | 0.06% | Add +245.8% | 91,065 | $11.1M |
| Rhumbline Advisers | 0.01% | Reduce -5.7% | 88,036 | $10.7M |
| Credit Agricole S A | 0.03% | Add +37.1% | 87,219 | $10.6M |
| Legal & General Group Plc | 0.00% | Reduce -2.6% | 85,868 | $10.4M |
| Ensign Peak Advisors, Inc | 0.02% | Add +8.0% | 80,603 | $9.8M |
| Renaissance Group LLC | 0.38% | Add +1.5% | 77,229 | $9.4M |
| Nuveen, LLC | 0.00% | Reduce -1.6% | 75,163 | $9.1M |
| FirstWave Capital Management LLC | 5.39% | — | 74,562 | $9.1M |
| Citigroup Inc. | 0.01% | Reduce -6.2% | 72,044 | $8.8M |
| Janus Henderson Group PLC | 0.00% | Add +270.5% | 71,951 | $8.8M |
| F/m Investments LLC | 0.30% | Add +15.2% | 65,539 | $8.0M |
| Swiss National Bank | 0.00% | Add +2.6% | 63,900 | $7.8M |
| Royal Bank of Canada | 0.00% | Reduce -68.3% | 62,833 | $7.6M |
| Peregrine Capital Management LLC | 0.22% | Reduce -12.1% | 60,157 | $7.3M |
| Bastion Asset Management Inc. | 3.99% | Add +28.3% | 57,596 | $7.2M |
| Biondo Investment Advisors, LLC | 0.84% | Reduce -2.0% | 57,215 | $7.0M |
| Prudential Financial Inc. | 0.01% | Add +23.4% | 57,105 | $6.9M |
| Lisanti Capital Growth, LLC | 1.64% | Reduce -0.3% | 56,751 | $6.9M |
| Sei Investments Co. | 0.01% | Add +26.5% | 55,291 | $6.7M |
| Lazard Asset Management LLC | 0.01% | Reduce -27.1% | 51,409 | $6.3M |
| Federated Hermes, Inc. | 0.01% | Add +689.3% | 47,301 | $5.8M |
| Parkman Healthcare Partners LLC | 0.52% | New | 45,174 | $5.5M |
| Canada Pension Plan Investment Board | 0.00% | Add +2523.5% | 44,600 | $5.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -8.2% | 43,187 | $5.3M |
| Alliancebernstein L.P. | 0.00% | Add +3.3% | 42,142 | $5.1M |
| Gotham Asset Management | 0.02% | Add +396.2% | 40,872 | $5.0M |
| Meridiem Capital Partners LP | 0.28% | New | 36,668 | $4.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -14.3% | 32,909 | $4.0M |
| Bessemer Group Inc. | 0.01% | Add +13484.0% | 33,009 | $4.0M |
| Nordea Investment Management AB | 0.00% | Reduce -12.0% | 31,992 | $4.0M |
| State of Wisconsin Investment Board | 0.01% | Add +940.7% | 31,950 | $3.9M |
| LPL Financial LLC | 0.00% | Reduce -1.3% | 31,263 | $3.8M |
| California State Teachers Retirement System | 0.00% | Reduce -0.0% | 30,821 | $3.7M |
| Norges Bank | 0.00% | — | 30,574 | $3.7M |
| Algert Global LLC | 0.06% | Add +12.5% | 30,294 | $3.7M |
| Fred Alger Management, LLC | 0.01% | Reduce -79.9% | 30,269 | $3.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Reduce -8.1% | 29,841 | $3.6M |
"% of holder's portfolio" is TMDX's weight in each manager's 13F, not the share of Transmedics Group Inc. the manager owns.