Lumexa Imaging Holdings, Inc.
Ownership
Ownership Structure
Who owns Lumexa Imaging Holdings, Inc. (LMRI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 23.0% of the shares are freely tradable; institutional investors hold 33.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Brown Advisory Holdings Inc | 6.01 | 5,777,574 | +238.8 | 06/30/2026 |
| Massachusetts Financial Services Company | 3.59 | 3,453,723 | +47.9 | 06/30/2026 |
| Think Investments LP | 2.66 | 2,559,501 | +0.0 | 06/30/2026 |
| Jupiter Topco LLC | 2.24 | 2,151,538 | +0.0 | 06/30/2026 |
| BlackRock Inc | 1.46 | 1,398,112 | -8.4 | 06/30/2026 |
| JPMorgan Chase & Co | 1.20 | 1,154,463 | +4.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 1.11 | 1,070,325 | +1.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Brown Advisory Small-Cap Fdmtl Val Inv | 2.29 | 2,197,481 | -1.3 | 09/30/2026 |
| MFS New Discovery Value I | 1.56 | 1,497,827 | -4.6 | 09/30/2026 |
| Bridge Builder Small Cap Fund | 0.86 | 826,595 | -1.1 | 10/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.