Transmedics GroupTMDX
13F holders, Q2 2026 (June 30)375holders −41
63new positions
107sold out
4famous investors
$66.48avg. 13F price*
At the end of Q2 2026, 375 institutions reported holding Transmedics Group Inc. (TMDX) in their 13F filings, down 41 from Q1 2026. 63 opened new positions and 107 sold out. The largest holders were BlackRock, Inc. ($371.7M), FMR LLC ($341.0M) and Vanguard Portfolio Management LLC ($128.5M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Transmedics Group Inc.
- CUSIP
- 89377M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $80.5M |
| Exits | 107 | $154.1M |
All 13F filers, Q1 2026 → Q2 2026: 4,033,937 shares bought and 5,676,395 shares sold, net −1,642,458 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 375 holders
| BlackRock, Inc. | 0.01% | Add +5.7% | 5,596,549 | $371.7M |
| FMR LLC | 0.01% | Add +0.7% | 5,133,328 | $341.0M |
| Vanguard Portfolio Management LLC | 0.01% | Add +0.8% | 1,933,989 | $128.5M |
| Vanguard Capital Management LLC | 0.00% | Add +1.3% | 1,497,600 | $99.5M |
| State Street Corp. | 0.00% | Add +7.7% | 1,420,421 | $94.3M |
| Nomura Asset Management International Inc. | 0.09% | Add +2.8% | 910,495 | $60.5M |
| Geode Capital Management, LLC | 0.00% | Add +6.6% | 894,913 | $59.5M |
| Hood River Capital Management LLC | 0.36% | Add +7.3% | 751,133 | $49.9M |
| Dimensional Fund Advisors LP | 0.01% | Add +18.1% | 610,107 | $40.5M |
| Braidwell LP | 1.56% | Add +85.1% | 609,715 | $40.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -35.4% | 559,771 | $37.2M |
| Citadel Advisors | 0.02% | Add +807.2% | 558,824 | $37.1M |
| Eventide Asset Management, LLC | 0.49% | Add +0.0% | 548,874 | $36.5M |
| Wellington Management Group LLP | 0.01% | Add +6.1% | 515,973 | $34.3M |
| Emerald Advisers, LLC | 0.77% | Add +43.1% | 490,491 | $32.6M |
| UBS Group AG | 0.01% | Reduce -16.0% | 488,058 | $32.4M |
| Morgan Stanley | 0.00% | Reduce -41.6% | 405,112 | $26.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -57.6% | 398,250 | $26.5M |
| Invesco Ltd. | 0.00% | Reduce -62.0% | 394,979 | $26.2M |
| Citigroup Inc. | 0.01% | Add +8.0% | 386,066 | $25.6M |
| Capital World Investors | 0.00% | Add +2.8% | 384,671 | $25.5M |
| Northern Trust Corp. | 0.00% | Add +9.1% | 368,860 | $24.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.0% | 328,666 | $21.8M |
| Wasatch Advisors LP | 0.13% | Reduce -10.9% | 308,434 | $20.5M |
| Zevenbergen Capital Investments LLC | 0.47% | Add +7.6% | 308,391 | $20.5M |
| Emerald Mutual Fund Advisers Trust | 0.71% | Add +31.7% | 302,074 | $20.1M |
| Baillie Gifford & Co. | 0.02% | Reduce -12.2% | 267,935 | $17.8M |
| Wells Fargo & Company | 0.00% | Reduce -5.0% | 260,218 | $17.3M |
| Bank of America Corp. | 0.00% | Reduce -12.9% | 257,001 | $17.1M |
| Susquehanna International Group, LLP | 0.02% | Add +90.8% | 255,398 | $17.0M |
| Tidal Investments LLC | 0.04% | New | 251,196 | $16.7M |
| Millennium Management | 0.01% | Reduce -18.9% | 248,312 | $16.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.9% | 245,680 | $16.3M |
| Principal Financial Group Inc. | 0.01% | Add +4.1% | 240,867 | $16.0M |
| Barclays PLC | 0.01% | Add +24.7% | 237,615 | $15.8M |
| Congress Asset Management Co. | 0.09% | New | 227,834 | $15.1M |
| Deutsche Bank AG | 0.00% | Add +11.1% | 217,031 | $14.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -37.6% | 192,269 | $13.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -8.3% | 193,752 | $12.9M |
| Point72 Asset Management | 0.02% | New | 192,594 | $12.8M |
| FirstWave Capital Management LLC | 5.61% | Add +53.9% | 191,240 | $12.7M |
| Davidson Kempner Capital Management LP | 0.27% | Add +14.0% | 166,900 | $11.1M |
| HRT Financial LP | 0.02% | Add +398.8% | 165,106 | $11.0M |
| Frontier Capital Management Co. LLC | 0.09% | Reduce -53.1% | 150,162 | $10.0M |
| Public Sector Pension Investment Board | 0.02% | Reduce -2.9% | 118,746 | $7.9M |
| Oppenheimer & Co. Inc. | 0.08% | Reduce -2.4% | 110,752 | $7.4M |
| Renaissance Group LLC | 0.29% | Add +15.6% | 108,157 | $7.2M |
| Bellevue Group AG | 0.14% | No change | 101,139 | $6.7M |
| Lagoda Investment Management, L.P. | 3.56% | Add +7.7% | 97,465 | $6.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -33.3% | 96,337 | $6.4M |
| Trexquant Investment LP | 0.04% | Reduce -11.6% | 93,960 | $6.2M |
| Lazard Asset Management LLC | 0.01% | Add +42.8% | 92,549 | $6.1M |
| IMC-Chicago, LLC | 0.06% | Add +226.9% | 90,515 | $6.0M |
| Brown Capital Management LLC | 1.19% | Reduce -8.3% | 89,828 | $6.0M |
| Portolan Capital Management, LLC | 0.20% | Add +670.5% | 82,354 | $5.5M |
| Rhumbline Advisers | 0.00% | Reduce -10.7% | 80,220 | $5.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -23.6% | 79,948 | $5.3M |
| Legal & General Group Plc | 0.00% | Add +1.1% | 79,582 | $5.3M |
| Nuveen, LLC | 0.00% | Add +1.1% | 79,310 | $5.3M |
| Alliancebernstein L.P. | 0.00% | Add +20.8% | 51,651 | $5.1M |
| Bastion Asset Management Inc. | 1.73% | Add +43.3% | 79,452 | $5.1M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | New | 75,090 | $5.0M |
| American Century Companies Inc. | 0.00% | Add +13.2% | 70,830 | $4.7M |
| Bank of Montreal | 0.00% | Add +0.3% | 69,601 | $4.6M |
| Peregrine Capital Management LLC | 0.15% | Add +18.1% | 67,544 | $4.5M |
| Swiss National Bank | 0.00% | Add +1.9% | 65,400 | $4.3M |
| Raymond James Financial Inc. | 0.00% | Reduce -44.0% | 64,481 | $4.3M |
| Sei Investments Co. | 0.00% | Reduce -8.8% | 63,474 | $4.2M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -24.1% | 57,381 | $3.8M |
| Algert Global LLC | 0.04% | Add +124.6% | 57,154 | $3.8M |
| Osaic Holdings, Inc. | 0.00% | Add +673.3% | 54,036 | $3.6M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -54.7% | 52,828 | $3.5M |
| F/m Investments LLC | 0.18% | Add +29.5% | 51,906 | $3.4M |
| Empowered Funds, LLC | 0.02% | New | 48,154 | $3.2M |
| First Trust Advisors LP | 0.00% | Reduce -10.7% | 48,108 | $3.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -86.7% | 46,028 | $3.1M |
| Bessemer Group Inc. | 0.00% | Reduce -0.1% | 45,799 | $3.0M |
| Biondo Investment Advisors, LLC | 0.36% | Reduce -23.8% | 44,155 | $2.9M |
| LPL Financial LLC | 0.00% | Add +7.1% | 42,725 | $2.8M |
| Credit Agricole S A | 0.01% | Reduce -51.2% | 42,647 | $2.8M |
| Trillium Asset Management, LLC | 0.09% | Add +11.1% | 41,577 | $2.8M |
| Nordea Investment Management AB | 0.00% | Add +4.3% | 40,493 | $2.7M |
| California State Teachers Retirement System | 0.00% | Add +5.3% | 39,850 | $2.6M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -16.8% | 39,330 | $2.6M |
| Atom Investors LP | 0.22% | New | 36,501 | $2.4M |
| Prudential Financial Inc. | 0.00% | Reduce -42.3% | 35,545 | $2.4M |
| Holocene Advisors, LP | 0.01% | New | 33,754 | $2.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +9.8% | 32,680 | $2.2M |
| Norges Bank | 0.00% | — | 30,574 | $2.0M |
| Emerald Investment Advisers, LLC | 0.13% | Add +21.6% | 30,456 | $2.0M |
| ArrowMark Colorado Holdings LLC | 0.08% | Reduce -82.4% | 30,151 | $2.0M |
| State of Wisconsin Investment Board | 0.00% | Reduce -4.9% | 29,128 | $1.9M |
| New York State Teachers Retirement System | 0.00% | Reduce -2.0% | 28,849 | $1.9M |
| Brevan Howard Capital Management LP | 0.03% | New | 28,808 | $1.9M |
| AQR Capital Management | 0.00% | Add +259.3% | 27,947 | $1.9M |
| Taylor Frigon Capital Management LLC | 0.84% | Add +36.5% | 26,908 | $1.8M |
| Fred Alger Management, LLC | 0.01% | Reduce -10.9% | 26,741 | $1.8M |
| Summit Creek Advisors LLC | 0.60% | New | 26,707 | $1.8M |
| Quantinno Capital Management LP | 0.00% | Add +222.7% | 26,002 | $1.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -0.4% | 25,792 | $1.7M |
"% of holder's portfolio" is TMDX's weight in each manager's 13F, not the share of Transmedics Group Inc. the manager owns.