Lumexa Imaging Holdings, Inc. (LMRI) Ownership
LMRI ownership summary
as of October 18, 2026- Institutions
- 34.0% of shares outstanding
- Insiders
- 80.79% of shares outstanding
- Shares outstanding
- 96.1M
- Float
- 22.1M shares available to trade
- Short interest
- 7.84% 2.0M shares short
- Days to cover
- 5.12 short interest down 4.9% vs prior month
- Institutions 34.03%
- Insiders 80.79%
LMRI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Brown Advisory Holdings Inc | 6.01% | 5.8M | $62.3M | +4.1M (+238.8%) | June 30, 2026 |
| 2 | Massachusetts Financial Services Company | 3.59% | 3.5M | $37.2M | +1.1M (+47.9%) | June 30, 2026 |
| 3 | Think Investments LP | 2.66% | 2.6M | $27.6M | +2.6M (0.0%) | June 30, 2026 |
| 4 | Jupiter Topco LLC | 2.24% | 2.2M | $23.2M | +2.2M (0.0%) | June 30, 2026 |
| 5 | HHG PLC | 2.19% | 2.1M | $22.6M | +107,903 (+5.4%) | March 31, 2026 |
| 6 | BlackRock Inc | 1.46% | 1.4M | $15.1M | −127,571 (−8.4%) | June 30, 2026 |
| 7 | JPMorgan Chase & Co | 1.20% | 1.2M | $12.4M | +49,956 (+4.5%) | June 30, 2026 |
| 8 | Vanguard Capital Management, LLC | 1.11% | 1.1M | $11.5M | +11,839 (+1.1%) | June 30, 2026 |
| 9 | The Goldman Sachs Group Inc | 0.84% | 807K | $8.7M | +41,919 (+5.5%) | June 30, 2026 |
| 10 | Royce & Associates, LP | 0.82% | 789K | $8.5M | +459,040 (+139.1%) | June 30, 2026 |
| 11 | Schonfeld Strategic Advisors LLC | 0.80% | 769K | $8.3M | +568,189 (+283.1%) | June 30, 2026 |
| 12 | Brigade Capital Management LP | 0.69% | 666K | $7.2M | +665,900 (0.0%) | June 30, 2026 |
| 13 | RTW INVESTMENTS, LLC | 0.68% | 650K | $7.0M | — | June 30, 2026 |
| 14 | Millennium Management LLC | 0.65% | 628K | $6.8M | −86,687 (−12.1%) | June 30, 2026 |
| 15 | Geode Capital Management, LLC | 0.65% | 626K | $6.8M | −47,816 (−7.1%) | June 30, 2026 |
| 16 | Adage Capital Partners Gp LLC | 0.65% | 625K | $6.7M | +206,742 (+49.4%) | June 30, 2026 |
| 17 | ArrowMark Colorado Holdings, LLC (ArrowMark Partners) | 0.63% | 602K | $6.5M | −1.1M (−63.6%) | June 30, 2026 |
| 18 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.62% | 600K | $6.5M | −700,000 (−53.8%) | June 30, 2026 |
| 19 | Longaeva Partners L.P. | 0.55% | 529K | $5.7M | −28,622 (−5.1%) | June 30, 2026 |
| 20 | Silvercrest Asset Management Group LLC | 0.49% | 467K | $5.0M | +467,339 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 12.5M shares and 6 cut 2.0M.
LMRI top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Brown Advisory Small-Cap Fdmtl Val Inv | 2.32% | 2.2M | $24.0M | +248,113 (+12.5%) | August 31, 2026 |
| 2 | MFS New Discovery Value I | 1.63% | 1.6M | $16.9M | −26,513 (−1.7%) | August 31, 2026 |
| 3 | Janus Henderson Triton D | 1.07% | 1.0M | $11.1M | — | August 31, 2026 |
| 4 | Bridge Builder Small/Mid Cap Value | 0.87% | 836K | $9.0M | — | September 30, 2026 |
| 5 | Vanguard MStar Total Stk Mkt Idx Invest | 0.79% | 761K | $8.2M | — | August 31, 2026 |
| 6 | Janus Henderson Venture D | 0.64% | 615K | $6.6M | +2,185 (+0.4%) | August 31, 2026 |
| 7 | FTGF RY US SmCp Opp A USD Dis(A) | 0.51% | 490K | $5.3M | +33,531 (+7.3%) | August 31, 2026 |
| 8 | iShares Russell 2000 ETF | 0.51% | 490K | $5.3M | −5,632 (−1.1%) | September 30, 2026 |
| 9 | MFS Core Equity A | 0.47% | 453K | $4.9M | −7,147 (−1.6%) | August 31, 2026 |
| 10 | Royce Small-Cap Opportunity Invmt | 0.39% | 372K | $4.0M | +201,692 (+118.7%) | June 30, 2026 |
| 11 | Brown Advisory Small-Cap Growth Inv | 0.38% | 367K | $4.0M | — | August 31, 2026 |
| 12 | Principal SmallCap Growth I Instl | 0.35% | 333K | $3.6M | — | August 31, 2026 |
| 13 | Brown Advisory US SmlrComs Dollar B Acc | 0.34% | 330K | $3.6M | — | August 31, 2026 |
| 14 | Virtus KAR Health Sciences A | 0.30% | 293K | $3.2M | −12,656 (−4.1%) | June 30, 2026 |
| 15 | Meridian Growth Legacy | 0.29% | 276K | $3.0M | −7,709 (−2.7%) | June 30, 2026 |
| 16 | Putnam Small Cap Value A | 0.29% | 274K | $3.0M | −12,000 (−4.2%) | August 31, 2026 |
| 17 | First Eagle Small Cap Opportunity I | 0.24% | 228K | $2.5M | +228,012 (0.0%) | August 31, 2026 |
| 18 | Goldman Sachs Small Cap Value A | 0.23% | 217K | $2.3M | −22,932 (−9.5%) | June 30, 2026 |
| 19 | Fidelity Small Cap Index | 0.22% | 208K | $2.2M | +1,435 (+0.7%) | July 31, 2026 |
| 20 | Omnis US Smaller Companies A Inc | 0.20% | 191K | $2.1M | +7,571 (+4.1%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
LMRI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns LMRI
Institutional investors own 34.0% of Lumexa Imaging's shares and insiders 80.79%. The largest holder is Brown Advisory Holdings Inc with 6.01% of the shares (5.8M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 7.84% of the float, or 5.12 days of average trading volume. The share count rose 9.2% since 2023.
Related: LMRI analyst forecast, LMRI key metrics. See the LMRI stock overview for the latest quote and news.
LMRI ownership FAQ
Who owns the most Lumexa Imaging stock?
The largest shareholders of Lumexa Imaging are Brown Advisory Holdings Inc (6.01%), Massachusetts Financial Services Company (3.59%), Think Investments LP (2.66%), Jupiter Topco LLC (2.24%), HHG PLC (2.19%).
What percentage of Lumexa Imaging is owned by institutions?
Institutions hold 34.0% of Lumexa Imaging's shares outstanding; insiders hold 80.79%.
Which funds own Lumexa Imaging?
The largest fund holders of Lumexa Imaging are Brown Advisory Small-Cap Fdmtl Val Inv (2.32%), MFS New Discovery Value I (1.63%), Janus Henderson Triton D (1.07%), Bridge Builder Small/Mid Cap Value (0.87%), Vanguard MStar Total Stk Mkt Idx Invest (0.79%).
What is Lumexa Imaging's short interest?
2.0M shares of Lumexa Imaging were sold short, 7.84% of the float; at the average daily volume it would take 5.12 days to cover.
How many shares of Lumexa Imaging are outstanding?
Lumexa Imaging has 96.1M shares outstanding, of which 22.1M are in the public float.