Who owns LMRIWhat LMRI owns — n/a

Who owns Lumexa Imaging Holdings, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.

Institutional ownership of LMRI from SEC Form 13F filings across 82 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 82 institutions disclosed 24.7M shares of Lumexa Imaging Holdings, Inc. worth $276.0M — about 25.8% of shares outstanding; the largest disclosed holder is BROWN ADVISORY INC. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$276.0M

value, 2026 filers

25.8%

of shares outstanding (24.7M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of LMRI's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BROWN ADVISORY INC	5.8M	$65.2M	0.1%	6%	+238.8%
2	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	3.5M	$39.0M	0.0%	3.6%	+47.9%
3	Jupiter Topco LLCNEW	2.2M	$24.3M	0.0%	2.2%	new
4	BlackRock, Inc.	1.4M	$15.8M	0.0%	1.5%	-8.4%
5	JPMORGAN CHASE & CO	1.2M	$13.3M	0.0%	1.2%	+4.5%
6	VANGUARD CAPITAL MANAGEMENT LLC	1.1M	$12.1M	0.0%	1.1%	-49.4%
7	GOLDMAN SACHS GROUP INC	807,428	$9.1M	0.0%	0.8%	+5.5%
8	Schonfeld Strategic Advisors LLC	768,890	$8.7M	0.0%	0.8%	+283.1%
9	BRIGADE CAPITAL MANAGEMENT, LPNEW	665,900	$7.5M	1.4%	0.7%	new
10	MILLENNIUM MANAGEMENT LLC	627,989	$7.1M	0.0%	0.7%	-12.1%
11	GEODE CAPITAL MANAGEMENT, LLC	626,318	$7.1M	0.0%	0.7%	-7.1%
12	ADAGE CAPITAL PARTNERS GP, L.L.C.	625,270	$7.1M	0.0%	0.7%	+49.4%
13	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	600,000	$6.8M	0.0%	0.6%	-53.8%
14	Longaeva Partners L.P.	528,801	$6.0M	0.1%	0.6%	-5.1%
15	SILVERCREST ASSET MANAGEMENT GROUP LLCNEW	467,339	$5.3M	0.0%	0.5%	new
16	FRANKLIN RESOURCES INC	448,543	$5.1M	0.0%	0.5%	+38.9%
17	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	292,921	$3.3M	0.0%	0.3%	-4.1%
18	Point72 Asset Management, L.P.	280,963	$3.2M	0.0%	0.3%	+177.4%
19	Select Asset Management & TrustNEW	278,000	$3,136	0.9%	0.3%	new
20	READYSTATE ASSET MANAGEMENT LP	250,533	$2.8M	0.1%	0.3%	+11.5%
21	SEI INVESTMENTS CO	224,343	$2.5M	0.0%	0.2%	+154.4%
22	VANGUARD PORTFOLIO MANAGEMENT LLC	200,286	$2.3M	0.0%	0.2%	+36.4%
23	Sixth Street Partners Management Company, L.P.NEW	198,058	$2.2M	0.4%	0.2%	new
24	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	198,058	$2.2M	0.0%	0.2%	-5.4%
25	VANGUARD FIDUCIARY TRUST CO	163,370	$1.8M	0.0%	0.2%	+1.3%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.