Vault-13

LUMEXA IMAGING HOLDINGS INC LMRI

COM · Common Stock · CUSIP 550249106

103 institutional holders +13 vs Q1 2026
31,424,68031.4m shares reported held*
32.7% of all shares outstanding*
$354.7mreported value*
31 new 31 added 29 reduced 17 sold out net sold ≈ $6.4m (-567.9k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($15.2k this quarter). Holder counts are more reliable. Shares outstanding: 96.1m as of 2026-08-12, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $11.29.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q4 25: 62Q1 26: 90Q2 26: 103103Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q4 202562
Q1 202690
Q2 2026103

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q1 26: 67 bought or addedQ1 26: 30 cut or sold outQ1 26Q2 26: 62 bought or addedQ2 26: 46 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q1 20266730
Q2 20266246

Biggest buyers

BROWN ADVISORY INC Added +4,072,497+4.1m
Think Investments LP New +2,559,501+2.6m
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Added +1,119,143+1.1m
BRIGADE CAPITAL MANAGEMENT, LP New +665,900+665.9k
Schonfeld Strategic Advisors LLC Added +568,189+568.2k
SILVERCREST ASSET MANAGEMENT GROUP LLC New +467,339+467.3k
ROYCE & ASSOCIATES LP Added +459,040+459.0k
Bullseye Asset Management LLC Added +370,185+370.2k
Select Asset Management & Trust New +278,000+278.0k
Granahan Investment Management, LLC New +263,156+263.2k

Biggest sellers

ALLIANCEBERNSTEIN L.P. Reduced -2,965,262-3.0m
Invesco Ltd. Sold out -1,440,542-1.4m
ArrowMark Colorado Holdings LLC Reduced -1,051,209-1.1m
EMERALD ADVISERS, LLC Reduced -899,285-899.3k
Pillsbury Lake Capital LLC Sold out -814,869-814.9k
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Reduced -700,000-700.0k
PRINCIPAL FINANCIAL GROUP INC Sold out -664,136-664.1k
FMR LLC Reduced -642,902-642.9k
CITADEL ADVISORS LLC Reduced -602,206-602.2k
EMERALD MUTUAL FUND ADVISERS TRUST Reduced -557,296-557.3k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Welsh, Carson, Anderson & Stowe XII, L.P. 13G · exempt (held before listing) new · filed 2026-02-13 74.3% new 70.2m≈ $792.1m 2026-02-13
BROWN ADVISORY INC 13G · institution new · filed 2026-08-14 6.1% new 5.8m≈ $65.9m 2026-08-14

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 2 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20262$476.9k0——
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-05-19 BRODNAX BRETT Director Bought 35,000 $7.25 $253.8k35.0k shares +130%
2026-05-14 Cooper Henry Lee Director · By Cooper Family Trust Bought 30,000 $7.44 $223.2k30.0k shares new

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BROWN ADVISORY INC 0.10% of their portfolio BALTIMORE, MD 5,777,5745.8m $65.2m $65.2m 0.10% Added +4.1m +4,072,497
2 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio Boston, MA 3,453,7233.5m $39.0m $39.0m 0.01% Added +1.1m +1,119,143
3 Think Investments LP 3.56% of their portfolio San Francisco, CA 2,559,5012.6m $28.9m $28.9m 3.56% New
4 Jupiter Topco LLC 0.01% of their portfolio NEW YORK, NY 2,151,5382.2m $24.3m $24.3m 0.01% First filing
5 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,398,1121.4m $15.8m $15.8m 0.00% Reduced -127.6k -127,571
6 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,154,4631.2m $13.3m $13.3m 0.00% Added +50.0k +49,956
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,070,3251.1m $12.1m $12.1m 0.00% Added +11.8k +11,839
8 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 807,428807.4k $9.1m $9.1m 0.00% Added +41.9k +41,919
9 ROYCE & ASSOCIATES LP 0.07% of their portfolio New York, NY 789,040789.0k $8.9m $8.9m 0.07% Added +459.0k +459,040
10 Schonfeld Strategic Advisors LLC 0.05% of their portfolio NEW YORK, NY 768,890768.9k $8.7m $8.7m 0.05% Added +568.2k +568,189
11 BRIGADE CAPITAL MANAGEMENT, LP 4.91% of their portfolio NEW YORK, NY 665,900665.9k $7.5m $7.5m 4.91% New
12 RTW INVESTMENTS, LP 0.06% of their portfolio NEW YORK, NY 650,000650.0k $7.3m $7.3m 0.06% Unchanged
13 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 627,989628.0k $7.1m $7.1m 0.00% Reduced -86.7k -86,687
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 626,318626.3k $7.1m $7.1m 0.00% Reduced -47.8k -47,816
15 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.01% of their portfolio Boston, MA 625,270625.3k $7.1m $7.1m 0.01% Added +206.7k +206,742
16 ArrowMark Colorado Holdings LLC 0.28% of their portfolio Denver, CO 602,049602.0k $6.8m $6.8m 0.28% Reduced -1.1m -1,051,209
17 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 600,000600.0k $6.8m $6.8m 0.01% Reduced -700.0k -700,000
18 Longaeva Partners L.P. 0.17% of their portfolio Chicago, IL 528,801528.8k $6.0m $6.0m 0.17% Reduced -28.6k -28,622
19 SILVERCREST ASSET MANAGEMENT GROUP LLC 0.03% of their portfolio NEW YORK, NY 467,339467.3k $5.3m $5.3m 0.03% New
20 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 459,128459.1k $5.2m $5.2m 0.00% Added +82.3k +82,336
21 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 448,543448.5k $5.1m $5.1m 0.00% Added +125.6k +125,642
22 Bullseye Asset Management LLC 2.24% of their portfolio DENVER, CO 390,185390.2k $4.4m $4.4m 2.24% Added +370.2k +370,185
23 Prescott Group Capital Management, L.L.C. 0.35% of their portfolio Tulsa, OK 357,050357.1k $4.0m $4.0m 0.35% Unchanged
24 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.01% of their portfolio LOS ANGELES, CA 292,921292.9k $3.3m $3.3m 0.01% Reduced -12.7k -12,656
25 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 280,963281.0k $3.2m $3.2m 0.00% Added +179.7k +179,685
26 Select Asset Management & Trust 0.90% of their portfolio MECHANICSBURG, PA 278,000278.0k $3.1m $3.1m 0.90% New
27 Granahan Investment Management, LLC 0.11% of their portfolio WALTHAM, MA 263,156263.2k $3.0m $3.0m 0.11% New
28 READYSTATE ASSET MANAGEMENT LP 0.12% of their portfolio CHICAGO, IL 250,533250.5k $2.8m $2.8m 0.12% Added +25.8k +25,778
29 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 224,343224.3k $2.5m $2.5m 0.00% Added +136.2k +136,153
30 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 200,286200.3k $2.3m $2.3m 0.00% Added +53.4k +53,414
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 198,058198.1k $2.2m $2.2m 0.00% Reduced -11.4k -11,393
32 BECK MACK & OLIVER LLC 0.04% of their portfolio NEW YORK, NY 170,700170.7k $1.9m $1.9m 0.04% New
33 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 163,370163.4k $1.8m $1.8m 0.00% Added +2.0k +2,019
34 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 162,421162.4k $1.8m $1.8m 0.00% Reduced -19.0k -19,009
35 FMR LLC 0.00% of their portfolio BOSTON, MA 151,687151.7k $1.7m $1.7m 0.00% Reduced -642.9k -642,902
36 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 146,486146.5k $1.7m $1.7m 0.00% New
37 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 137,470137.5k $1.6m $1.6m 0.02% Reduced -94.9k -94,888
38 SEVEN GRAND MANAGERS, LLC 0.05% of their portfolio BRONXVILLE, NY 110,000110.0k $1.2m $1.2m 0.05% Unchanged
39 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 103,476103.5k $1.2m $1.2m 0.01% New
40 EMERALD MUTUAL FUND ADVISERS TRUST 0.04% of their portfolio LEOLA, PA 96,04696.0k $1.1m $1.1m 0.04% Reduced -557.3k -557,296
41 F/m Investments LLC 0.06% of their portfolio WASHINGTON, DC 96,04696.0k $1.1m $1.1m 0.06% Added +1.1k +1,069
42 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 83,76183.8k $944.8k $944.8k 0.00% Reduced -43.2k -43,248
43 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 80,00080.0k $902.4k $902.4k 0.00% Reduced -490.0k -490,000
44 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 79,93479.9k $901.7k $901.7k 0.00% Added +66.8k +66,763
45 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 78,21778.2k $882.3k $882.3k 0.00% New
46 Ghisallo Capital Management LLC 0.02% of their portfolio BOSTON, MA 75,00075.0k $846.0k $846.0k 0.02% Unchanged
47 UBS Group AG 0.00% of their portfolio ZURICH, V8 66,94866.9k $755.2k $755.2k 0.00% Reduced -108.2k -108,237
48 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 62,88962.9k $709.4k $709.4k 0.00% Added +7.2k +7,183
49 HARBOR CAPITAL ADVISORS, INC. 0.05% of their portfolio CHICAGO, IL 61,60661.6k $695.0k $695.0k 0.05% New
50 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 54,37954.4k $613.4k $613.4k 0.00% Reduced -602.2k -602,206
51 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 38,86338.9k $438.4k $438.4k 0.00% Reduced -65.6k -65,567
52 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 36,38336.4k $410.4k $410.4k 0.00% New
53 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 32,52032.5k $366.8k $366.8k 0.00% Added +3.1k +3,056
54 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 32,33232.3k $364.7k $364.7k 0.00% Added +22.8k +22,834
55 Virtu Financial LLC 0.01% of their portfolio New York, NY 30,69030.7k $346.0k $346.0k 0.01% New
56 Sterling Capital Management LLC 0.01% of their portfolio CHARLOTTE, NC 27,80127.8k $313.6k $313.6k 0.01% Added +27.1k +27,091
57 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 27,80027.8k $313.6k $313.6k 0.00% Added +11.4k +11,382
58 EMERALD ADVISERS, LLC 0.01% of their portfolio LEOLA, PA 24,44124.4k $275.7k $275.7k 0.01% Reduced -899.3k -899,285
59 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 22,34822.3k $252.1k $252.1k 0.00% Added +4.5k +4,545
60 Brevan Howard Capital Management LP 0.00% of their portfolio ST. HELIER, Y9 19,53019.5k $220.3k $220.3k 0.00% New
61 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 18,50318.5k $208.7k $208.7k 0.00% Added +6.3k +6,295
62 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 17,87417.9k $202.0k $202.0k 0.00% Unchanged
63 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 17,69917.7k $199.6k $199.6k 0.00% Reduced -93.6k -93,614
64 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 15,20015.2k $130.7k $130.7k 0.00% Reduced -3.0m -2,965,262
65 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 14,41714.4k $162.6k $162.6k 0.00% Reduced -24 -24
66 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 11,53011.5k $130.1k $130.1k 0.00% Added +9.6k +9,619
67 AXQ CAPITAL, LP 0.01% of their portfolio JERSEY CITY, NJ 11,35611.4k $128.1k $128.1k 0.01% New
68 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 8,7448.7k $98.6k $98.6k 0.00% Added +8.7k +8,715
69 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 8,7368.7k $98.5k $98.5k 0.00% Reduced -3.1k -3,126
70 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 8,5008.5k $95.9k $95.9k 0.00% Unchanged
71 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 7,2887.3k $82.2k $82.2k 0.00% Reduced -5.2k -5,208
72 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 7,2487.2k $81.8k $81.8k 0.00% Reduced -53 -53
73 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 4,9044.9k $55.3k $55.3k 0.00% Unchanged
74 Aster Capital Management (DIFC) Ltd 0.01% of their portfolio DUBAI, C0 4,4454.4k $50.1k $50.1k 0.01% New
75 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 4,4004.4k $49.6k $49.6k 0.00% Unchanged
76 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 4,1524.2k $46.8k $46.8k 0.00% New
77 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 3,3963.4k $38.3k $38.3k 0.00% Reduced -13.5k -13,451
78 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,9002.9k $32.7k $32.7k 0.00% Reduced -2.5k -2,500
79 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,5022.5k $28.2k $28.2k 0.00% Added +920 +920
80 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 2,0722.1k $23.4k $23.4k 0.00% Unchanged
81 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 1,8521.9k $20.9k $20.9k 0.00% New
82 Legal & General Group Plc 0.00% of their portfolio London, X0 1,7361.7k $19.6k $19.6k 0.00% Reduced -473 -473
83 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 1,6961.7k $19.1k $19.1k 0.00% New
84 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,1801.2k $14.0k $14.0k 0.00% New
85 FIRST HORIZON CORP 0.00% of their portfolio MEMPHIS, TN 723723 $8.2k $8.2k 0.00% Unchanged
86 BESSEMER GROUP INC 0.00% of their portfolio WOODBRIDGE, NJ 665665 $8.0k $8.0k 0.00% Added +226 +226
87 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 318318 $3.6k $3.6k 0.00% Added +13 +13
88 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 290290 $3.3k $3.3k 0.00% New
89 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 261261 $2.9k $2.9k 0.00% Reduced -1.1k -1,132
90 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 215215 $2.4k $2.4k 0.00% Unchanged
91 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 141141 $1.6k $1.6k 0.00% Added +81 +81
92 Bare Financial Services, Inc 0.00% of their portfolio GAP, PA 122122 $1.4k $1.4k 0.00% New
93 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 8585 $958 $958 0.00% New
94 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 8383 $937 $937 0.00% New
95 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 5050 $564 $564 0.00% New
96 ASSETMARK, INC 0.00% of their portfolio CONCORD, CA 4848 $541 $541 0.00% Reduced -2.0k -2,010
97 Covestor Ltd 0.00% of their portfolio LONDON, X0 4141 $0 $0 0.00% New
98 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 4040 $451 $451 0.00% New
99 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 2222 $248 $248 0.00% New
100 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 1111 $124 $124 0.00% New