Lumexa Imaging Holdings, Inc. Common Stock (LMRI)

SERVICES-MEDICAL LABORATORIES

Lumexa Imaging Holdings, Inc. Common Stock (LMRI) is listed on Nasdaq, where it has traded since December 11, 2025.

Listed On
Nasdaq
Listed Since
December 11, 2025
Employees
4,335
Market Cap
$1.1B

About Lumexa Imaging Holdings, Inc. Common Stock

Lumexa Imaging Holdings Inc is a provider of diagnostic imaging services. The company offers a broad range of imaging modalities, including MRI, CT, PET, X-ray, ultrasound, and mammography. Its products and operations are managed and reported in two operating segments: Outpatient Imaging Centers (Outpatient) and Professional Services (Professional). The professional services segment generates revenue from interpreting imaging studies conducted by other parties, mainly hospital imaging departments. The majority of revenue is generated by the Outpatient segment, which performs imaging studies and provides radiologists' interpretations of those studies.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 100 institutions reported holding LMRI, with 31.4 million shares worth $354.7 million in aggregate. The largest reported holder was Brown Advisory, with 5.8 million shares worth $65.2 million. Of the 5 largest holders listed below, 1 opened a new position in LMRI and 4 added shares during the quarter.

InstitutionSharesValueQuarter change
Brown Advisory5,777,574$65MAdded 238.85%
Massachusetts Financial Services Co /MA3,453,723$39MAdded 47.94%
Think Investments2,559,501$29MNew position
Janus Henderson (Jupiter Topco)2,151,538$24MAdded 2.44%
Vanguard1,441,269$16MAdded 4.5%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is LMRI?

Lumexa Imaging Holdings, Inc. Common Stock (LMRI) is listed on Nasdaq, where it has traded since December 11, 2025.

Who are the largest institutional holders of LMRI?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of LMRI were Brown Advisory, Massachusetts Financial Services Co /MA and Think Investments.

How many institutions own LMRI?

100 institutions reported a position in LMRI for the quarter ended June 30, 2026, worth $354.7 million in total.

Did institutions buy or sell LMRI last quarter?

Of the 5 largest reported holders, 1 opened a new position in LMRI and 4 added shares during the quarter. Every reported holder and its change is on the SentiSense ownership page for LMRI.

Every reported institutional holder, plus insider and congressional trades in LMRI, on SentiSense.