LMRI · Lumexa Imaging Holdings, Inc. · Holdings

$11.19 -0.09 (-0.80%)

Russell 2000 member Rebalance outlook locked

Market Cap

$1.10B

96.07M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 102

Total Value: $354,466,426

Total Shares: 31,424,334

Showing 1–100 of 102 holdings by value · page 1 of 2

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 102 13F filers · Δ vs Mar 31, 2026

Top Holder

18.4%

+9.1 pts

Top 5

48.8%

+15.1 pts

Top 10

63.4%

+9.6 pts

HHI

683

Broadly held+286

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +12

Institutional value: +29.0%

Shares held: -1.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large BROWN ADVISORY INC	+4,072,497	5,777,574
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/	+1,119,143	3,453,723
Large Schonfeld Strategic Advisors LLC	+568,189	768,890
Large ROYCE & ASSOCIATES LP	+459,040	789,040
Small Bullseye Asset Management LLC	+370,185	390,185

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega ALLIANCEBERNSTEIN L.P.	−2,965,262	15,200
Mid ArrowMark Colorado Holdings LLC	−1,051,209	602,049
Mid EMERALD ADVISERS, LLC	−899,285	24,441
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	−700,000	600,000
Mega FMR LLC	−642,902	151,687

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Think Investments LP	2,559,501	$28,871,171
Mega Jupiter Topco LLC	2,151,538	$24,269,348
Micro BRIGADE CAPITAL MANAGEMENT, LP	665,900	$7,511,352
Large SILVERCREST ASSET MANAGEMENT GROUP LLC	467,339	$5,271,583
Small Select Asset Management & Trust	278,000	$3,135,840

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega JANUS HENDERSON GROUP PLC	2,100,356	$18,063,061
Mega Invesco Ltd.	1,440,542	$12,388,660
Small Pillsbury Lake Capital LLC	814,869	$7,007,873
Mega PRINCIPAL FINANCIAL GROUP INC	664,136	$5,711,569
Large Woodline Partners LP	532,098	$4,576,042

Filter: New 31 Increased 31 Reduced 29 Sold out 19 Unchanged 11

Showing 100 of 102

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BROWN ADVISORY INC

$65,171,033

18.39%

5,777,574

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BROWN INVESTMENT ADVISORY & TRUST CO	75,048	$846,541	1.3%	Defined
Brown Advisory LLC	5,575,573	$62,892,463	96.5%	Defined
NEW YORK LIFE INVESTMENT MANAGEMENT LLC	126,953	$1,432,029	2.2%	Defined

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

$38,957,993

10.99%

3,453,723

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MFS Institutional Advisors, Inc.	3,453	$38,949	0.1%	Defined
MFS Heritage Trust CO	17,224	$194,286	0.5%	Defined
Held directly	3,433,046	$38,724,758	99.4%	Sole

Think Investments LP

$28,871,171

8.14%

2,559,501

Jupiter Topco LLC

$24,269,348

6.85%

2,151,538

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JANUS HENDERSON INVESTORS UK Ltd	191,037	$2,154,897	8.9%	Defined
JANUS HENDERSON INVESTORS US LLC	1,943,236	$21,919,702	90.3%	Defined
Held directly	17,265	$194,749	0.8%	Defined

BlackRock, Inc.

$15,770,701

4.45%

1,398,112

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	15,375	$173,430	1.1%	Sole
BlackRock Investment Management, LLC	58,548	$660,421	4.2%	Sole
BLACKROCK ADVISORS LLC	35,213	$397,202	2.5%	Sole
BlackRock Fund Advisors	695,123	$7,840,987	49.7%	Sole
BlackRock Institutional Trust Company, N.A.	593,850	$6,698,628	42.5%	Sole
Aperio Group, LLC	3	$33	0.0%	Sole

JPMORGAN CHASE & CO

$13,022,341

3.67%

1,154,463

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	27,287	$307,797	2.4%	Defined
J.P. Morgan Investment Management Inc.	846,967	$9,553,787	73.4%	Defined
JPMorgan Asset Management (UK) Ltd	280,209	$3,160,757	24.3%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$12,073,266

3.41%

1,070,325

GOLDMAN SACHS GROUP INC

$9,107,787

2.57%

807,428

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	85,212	$961,191	10.6%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	722,216	$8,146,596	89.4%	Defined

ROYCE & ASSOCIATES LP

$8,900,371

2.51%

789,040

Schonfeld Strategic Advisors LLC

$8,673,079

2.45%

768,890

BRIGADE CAPITAL MANAGEMENT, LP

$7,511,352

2.12%

665,900

RTW INVESTMENTS, LP

$7,332,000

2.07%

650,000

MILLENNIUM MANAGEMENT LLC

$7,083,715

2.00%

627,989

GEODE CAPITAL MANAGEMENT, LLC

$7,064,866

1.99%

626,318

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	84,722	$955,664	13.5%	Defined
Held directly	541,596	$6,109,202	86.5%	Defined

ADAGE CAPITAL PARTNERS GP, L.L.C.

$7,053,045

1.99%

625,270

ArrowMark Colorado Holdings LLC

$6,791,112

1.92%

602,049

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$6,768,000

1.91%

600,000

Longaeva Partners L.P.

$5,964,875

1.68%

528,801

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Balyasny Asset Management L.P.	528,801	$5,964,875	100.0%	Other

SILVERCREST ASSET MANAGEMENT GROUP LLC

$5,271,583

1.49%

467,339

STATE STREET CORP

$5,178,963

1.46%

459,128

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	459,128	$5,178,963	100.0%	Defined

FRANKLIN RESOURCES INC

$5,059,564

1.43%

448,543

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	12,488	$140,864	2.8%	Defined
PUTNAM INVESTMENT MANAGEMENT LLC	436,055	$4,918,700	97.2%	Defined

Bullseye Asset Management LLC

$4,401,286

1.24%

390,185

Prescott Group Capital Management, L.L.C.

$4,027,524

1.14%

357,050

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

$3,304,148

0.93%

292,921

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtus Investment Advisers, LLC	292,921	$3,304,148	100.0%	Defined

Point72 Asset Management, L.P.

$3,169,262

0.89%

280,963

Select Asset Management & Trust

$3,135,840

0.88%

278,000

Granahan Investment Management, LLC

$2,968,399

0.84%

263,156

READYSTATE ASSET MANAGEMENT LP

$2,826,012

0.80%

250,533

SEI INVESTMENTS CO

$2,530,588

0.71%

224,343

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	1,436	$16,198	0.6%	Sole
SEI TRUST CO	222,907	$2,514,390	99.4%	Sole

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,259,226

0.64%

200,286

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,234,094

0.63%

198,058

BECK MACK & OLIVER LLC

$1,925,496

0.54%

170,700

VANGUARD FIDUCIARY TRUST CO

$1,842,813

0.52%

163,370

NORTHERN TRUST CORP

$1,832,107

0.52%

162,421

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	159,439	$1,798,471	98.2%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	2,982	$33,636	1.8%	Other

FMR LLC

$1,711,029

0.48%

151,687

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	151,687	$1,711,029	100.0%	Defined

STATE OF WISCONSIN INVESTMENT BOARD

$1,652,362

0.47%

146,486

XTX Topco Ltd

$1,550,661

0.44%

137,470

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	137,470	$1,550,661	100.0%	Defined

SEVEN GRAND MANAGERS, LLC

$1,240,800

0.35%

110,000

Trexquant Investment LP

$1,167,209

0.33%

103,476

EMERALD MUTUAL FUND ADVISERS TRUST

$1,083,398

0.31%

96,046

F/m Investments LLC

$1,083,398

0.31%

96,046

AMERIPRISE FINANCIAL INC

$944,824

0.27%

83,761

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	83,761	$944,824	100.0%	Defined

FEDERATED HERMES, INC.

$902,400

0.25%

80,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED EQUITY MANAGEMENT CO OF PENNSYLVANIA	44,000	$496,320	55.0%	Defined
FEDERATED GLOBAL INVESTMENT MANAGEMENT CORP	36,000	$406,080	45.0%	Defined

Squarepoint Ops LLC

$901,655

0.25%

79,934

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	79,934	$901,655	100.0%	Defined

AQR CAPITAL MANAGEMENT LLC

$882,286

0.25%

78,217

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Arax Advisory Partners	1,350	$15,228	1.7%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	141	$1,590	0.2%	Other
Stokes Family Office, LLC	119	$1,342	0.2%	Other
Held directly	76,607	$864,126	97.9%	Defined

Ghisallo Capital Management LLC

$846,000

0.24%

75,000

UBS Group AG

$755,172

0.21%

66,948

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	2,949	$33,264	4.4%	Defined
UBS AG	63,999	$721,908	95.6%	Defined

Bank of New York Mellon Corp

$709,385

0.20%

62,889

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	15,692	$177,005	25.0%	Defined
The Bank of New York Mellon	34,937	$394,089	55.6%	Defined
BNY Mellon, NA	8,574	$96,714	13.6%	Defined
BNY Mellon Advisors, Inc. joint	3,685	$41,566	5.9%	Other
Held directly	1	$11	0.0%	Defined

HARBOR CAPITAL ADVISORS, INC.

$694,915

0.20%

61,606

CITADEL ADVISORS LLC

$613,395

0.17%

54,379

MORGAN STANLEY

$438,372

0.12%

38,863

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	651	$7,343	1.7%	Defined
MORGAN STANLEY & CO. LLC	5,707	$64,374	14.7%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	19,148	$215,989	49.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	6,550	$73,884	16.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	6,807	$76,782	17.5%	Defined

RAYMOND JAMES FINANCIAL INC

$410,399

0.12%

36,383

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	26,492	$298,829	72.8%	Defined
Raymond James Financial Services Advisors, Inc.	9,891	$111,570	27.2%	Defined

Nuveen, LLC

$366,825

0.10%

32,520

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	13,387	$151,005	41.2%	Defined
TEACHERS ADVISORS, LLC joint	19,133	$215,820	58.8%	Defined

WELLS FARGO & COMPANY/MN

$364,704

0.10%

32,332

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	15,888	$179,216	49.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	16,444	$185,488	50.9%	Defined

Virtu Financial LLC

$346,183

0.10%

30,690

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	30,690	$346,183	100.0%	Defined

Sterling Capital Management LLC

$313,595

0.09%

27,801

D. E. Shaw & Co., Inc.

$313,584

0.09%

27,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	11,800	$133,104	42.4%	Defined
D. E. Shaw Investment Management, L.L.C. joint	16,000	$180,480	57.6%	Defined

EMERALD ADVISERS, LLC

$275,694

0.08%

24,441

RHUMBLINE ADVISERS

$252,085

0.07%

22,348

Brevan Howard Capital Management LP

$220,298

0.06%

19,530

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	19,530	$220,298	100.0%	Defined

DEUTSCHE BANK AG\

$208,713

0.06%

18,503

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	18,503	$208,713	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$201,618

0.06%

17,874

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	17,874	$201,618	100.0%	Defined

BANK OF AMERICA CORP /DE/

$199,644

0.06%

17,699

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	17,699	$199,644	100.0%	Defined

ALLIANCEBERNSTEIN L.P.

$171,456

0.05%

15,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	15,200	$171,456	100.0%	Defined

MetLife Investment Management, LLC

$162,623

0.05%

14,417

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	14,417	$162,623	100.0%	Defined

Russell Investments Group, Ltd.

$130,058

0.04%

11,530

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	11,530	$130,058	100.0%	Defined

AXQ CAPITAL, LP

$128,095

0.04%

11,356

CITIGROUP INC

$98,631

0.03%

8,744

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	8,744	$98,631	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$98,542

0.03%

8,736

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	8,736	$98,542	100.0%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$95,880

0.03%

8,500

Vanguard Global Advisers, LLC

$82,208

0.02%

7,288

PNC FINANCIAL SERVICES GROUP, INC.

$81,756

0.02%

7,248

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	7,248	$81,756	100.0%	Defined

Police & Firemen's Retirement System of New Jersey

$55,317

0.02%

4,904

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	4,904	$55,317	100.0%	Defined

Aster Capital Management (DIFC) Ltd

$50,139

0.01%

4,445

STRS OHIO

$49,632

0.01%

4,400

Balyasny Asset Management L.P.

$46,834

0.01%

4,152

BARCLAYS PLC

$38,306

0.01%

3,396

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	2,361	$26,632	69.5%	Defined
BARCLAYS CAPITAL INC.	1,035	$11,674	30.5%	Defined

BNP PARIBAS ARBITRAGE, SA

$32,712

0.01%

2,900

Tower Research Capital LLC (TRC)

$28,222

0.01%

2,502

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,502	$28,222	100.0%	Defined

Ameritas Investment Partners, Inc.

$23,372

0.01%

2,072

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	2,072	$23,372	100.0%	Other

Arax Advisory Partners

$20,890

0.01%

1,852

Legal & General Group Plc

$19,582

0.01%

1,736

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	1,736	$19,582	100.0%	Defined

ROYAL BANK OF CANADA

$13,310

0.00%

1,180

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	580	$6,542	49.2%	Defined
RBC Capital Markets, LLC	600	$6,768	50.8%	Defined

FIRST HORIZON CORP

$8,154

0.00%

723

BESSEMER GROUP INC

$7,501

0.00%

665

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bessemer Trust CO of Delaware, N.A.	665	$7,501	100.0%	Defined

SBI Securities Co., Ltd.

$3,587

0.00%

318

IFP Advisors, Inc

$3,271

0.00%

290

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$2,944

0.00%

261

OSAIC HOLDINGS, INC.

$2,425

0.00%

215

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	215	$2,425	100.0%	Defined

Allworth Financial LP

$1,590

0.00%

141

Bare Financial Services, Inc

$1,376

0.00%

122

EverSource Wealth Advisors, LLC

$957

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	8	$89	9.3%	Sole
Held directly	77	$868	90.7%	Sole

True Wealth Design, LLC

$936

0.00%

GAMMA Investing LLC

$564

0.00%

ASSETMARK, INC

$541

0.00%

Covestor Ltd

$462

0.00%

Essential Partners LLC

$451

0.00%

Farther Finance Advisors, LLC

$248

0.00%

ROTHSCHILD INVESTMENT LLC

$124

0.00%

SJS Investment Consulting Inc.

$78

0.00%

Key facts CIK 2071288 CUSIP 550249106 13F (30d) 69 filings 69 filers Visit website Investor relations