Lumexa Imaging Holdings, Inc. - LMRI
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ALLIANCEBERNSTEIN L.P. | History | Reduced | 2,980,462 | 55,138 | 0.02% | 0.02% | 1 | -258,017 | -7.97% | Q1 2026 | May 15, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | History | Added to | 2,334,580 | 20,077 | 0.01% | 0.01% | 2 | +1,334,567 | 133.45% | Q1 2026 | May 14, 2026 |
| JANUS HENDERSON GROUP PLC | History | Added to | 2,100,356 | 18,063 | 0.01% | 0.02% | 3 | +107,903 | 5.42% | Q1 2026 | May 18, 2026 |
| BROWN ADVISORY INC | History | New | 1,705,077 | 14,663 | 0.02% | — | 4 | +1,705,077 | New | Q1 2026 | May 15, 2026 |
| ArrowMark Colorado Holdings LLC | History | Added to | 1,653,258 | 14,218 | 0.38% | 0.61% | 5 | +153,258 | 10.22% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 1,525,683 | 13,120 | 0.0% | 0.0% | 6 | +1,425,683 | 1425.68% | Q1 2026 | May 13, 2026 |
| Invesco Ltd. | History | Added to | 1,440,542 | 12,388 | 0.0% | 0.0% | 7 | +4,735 | 0.33% | Q1 2026 | May 12, 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | History | Reduced | 1,300,000 | 11,180 | 0.02% | 0.05% | 8 | -200,000 | -13.33% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,058,486 | 9,102 | 0.0% | — | 9 | +1,058,486 | New | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 1,104,507 | 8,802 | 0.0% | 0.0% | 10 | +242,110 | 28.07% | Q1 2026 | May 13, 2026 |
| EMERALD ADVISERS, LLC | History | Reduced | 923,726 | 7,944 | 0.25% | 0.53% | 11 | -9,163 | -0.98% | Q1 2026 | May 04, 2026 |
| Pillsbury Lake Capital LLC | History | New | 814,869 | 7,007 | 3.17% | — | 12 | +814,869 | New | Q1 2026 | May 14, 2026 |
| FMR LLC | History | Added to | 794,589 | 6,833 | 0.0% | 0.0% | 13 | +112,889 | 16.56% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 765,509 | 6,583 | 0.0% | 0.0% | 14 | -254,488 | -24.95% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 714,676 | 6,146 | 0.0% | 0.01% | 15 | -575,988 | -44.63% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 674,134 | 5,799 | 0.0% | 0.0% | 16 | +590,459 | 705.66% | Q1 2026 | May 15, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | History | Added to | 664,136 | 5,711 | 0.0% | 0.01% | 17 | +7,875 | 1.2% | Q1 2026 | May 04, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 656,585 | 5,646 | 0.0% | 0.0% | 18 | -193,415 | -22.75% | Q1 2026 | May 15, 2026 |
| EMERALD MUTUAL FUND ADVISERS TRUST | History | Added to | 653,342 | 5,618 | 0.27% | 0.53% | 19 | +64,677 | 10.99% | Q1 2026 | May 04, 2026 |
| RTW INVESTMENTS, LP | History | No change | 650,000 | 5,590 | 0.06% | 0.12% | 20 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| FEDERATED HERMES, INC. | History | Added to | 570,000 | 4,902 | 0.01% | 0.01% | 21 | +120,000 | 26.67% | Q1 2026 | May 11, 2026 |
| Longaeva Partners L.P. | History | Added to | 557,423 | 4,793 | 0.18% | 0.31% | 22 | +357,423 | 178.71% | Q1 2026 | May 15, 2026 |
| Woodline Partners LP | History | Reduced | 532,098 | 4,576 | 0.02% | 0.05% | 23 | -149,065 | -21.88% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 230,000 | 4,255 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | Reduced | 418,528 | 3,599 | 0.01% | 0.03% | 25 | -628,260 | -60.02% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | New | 376,792 | 3,240 | 0.0% | — | 26 | +376,792 | New | Q1 2026 | May 15, 2026 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | History | New | 357,050 | 3,070 | 0.31% | — | 27 | +357,050 | New | Q1 2026 | May 07, 2026 |
| ROYCE & ASSOCIATES LP | History | New | 330,000 | 2,838 | 0.03% | — | 28 | +330,000 | New | Q1 2026 | May 12, 2026 |
| FRANKLIN RESOURCES INC | History | New | 322,901 | 2,776 | 0.0% | — | 29 | +322,901 | New | Q1 2026 | May 13, 2026 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | History | Added to | 305,577 | 2,627 | 0.01% | 0.01% | 30 | +200,577 | 191.03% | Q1 2026 | May 14, 2026 |
| Zimmer Partners, LP | History | Reduced | 300,000 | 2,580 | 0.06% | 0.3% | 31 | -310,000 | -50.82% | Q1 2026 | May 15, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 299,491 | 2,575 | 0.2% | — | 32 | +299,491 | New | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 232,358 | 1,998 | 0.03% | — | 33 | +232,358 | New | Q1 2026 | May 15, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Added to | 224,755 | 1,932 | 0.09% | 0.11% | 34 | +84,755 | 60.54% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | New | 209,451 | 1,801 | 0.0% | — | 35 | +209,451 | New | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 200,701 | 1,726 | 0.01% | — | 36 | +200,701 | New | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | New | 181,430 | 1,560 | 0.0% | — | 37 | +181,430 | New | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Added to | 175,185 | 1,506 | 0.0% | 0.0% | 38 | +163,860 | 1446.89% | Q1 2026 | May 05, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 161,351 | 1,387 | 0.0% | — | 39 | +161,351 | New | Q1 2026 | May 08, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 146,872 | 1,263 | 0.0% | — | 40 | +146,872 | New | Q1 2026 | May 08, 2026 |
| HUNTER ASSOCIATES INVESTMENT MANAGEMENT LLC | History | New | 142,962 | 1,231 | 0.16% | — | 41 | +142,962 | New | Q1 2026 | Apr 27, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 127,009 | 1,092 | 0.0% | 0.0% | 42 | +9,311 | 7.91% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 111,313 | 957 | 0.0% | — | 43 | +111,307 | 1855116.67% | Q1 2026 | May 15, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 110,585 | 951 | 0.01% | — | 44 | +110,585 | New | Q1 2026 | May 15, 2026 |
| SEVEN GRAND MANAGERS, LLC | History | Reduced | 110,000 | 946 | 0.06% | 0.91% | 45 | -535,500 | -82.96% | Q1 2026 | May 06, 2026 |
| MORGAN STANLEY | History | Added to | 104,430 | 898 | 0.0% | 0.0% | 46 | +86,897 | 495.62% | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | History | Added to | 101,278 | 870 | 0.0% | 0.0% | 47 | +3,127 | 3.19% | Q1 2026 | May 15, 2026 |
| F/m Investments LLC | History | New | 94,977 | 816 | 0.05% | — | 48 | +94,977 | New | Q1 2026 | May 11, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 90,423 | 777 | 0.0% | — | 49 | +90,423 | New | Q1 2026 | May 14, 2026 |
| SEI INVESTMENTS CO | History | Added to | 88,190 | 758 | 0.0% | 0.0% | 50 | +68,127 | 339.57% | Q1 2026 | May 13, 2026 |
| Ghisallo Capital Management LLC | History | Reduced | 75,000 | 645 | 0.02% | 0.1% | 51 | -50,000 | -40.0% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | New | 55,706 | 479 | 0.0% | — | 52 | +55,706 | New | Q1 2026 | May 05, 2026 |
| Burkehill Global Management, LP | History | No change | 50,000 | 430 | 0.02% | 0.06% | 53 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Nuveen, LLC | History | New | 29,464 | 253 | 0.0% | — | 54 | +29,464 | New | Q1 2026 | Apr 30, 2026 |
| Sandia Investment Management LP | History | No change | 10,000 | 185 | 0.46% | 0.46% | 55 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Bullseye Asset Management LLC | History | New | 20,000 | 172 | 0.1% | — | 56 | +20,000 | New | Q1 2026 | May 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | New | 17,874 | 154 | 0.0% | — | 57 | +17,874 | New | Q1 2026 | May 15, 2026 |
| RHUMBLINE ADVISERS | History | New | 17,803 | 153 | 0.0% | — | 58 | +17,803 | New | Q1 2026 | May 12, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 16,894 | 145 | 0.0% | 0.0% | 59 | +3,394 | 25.14% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Added to | 16,847 | 144 | 0.0% | 0.0% | 60 | +9,647 | 133.99% | Q1 2026 | May 14, 2026 |
| D. E. Shaw & Co., Inc. | History | Reduced | 16,418 | 141 | 0.0% | 0.0% | 61 | -183,582 | -91.79% | Q1 2026 | May 15, 2026 |
| MetLife Investment Management, LLC | History | New | 14,441 | 124 | 0.0% | — | 62 | +14,441 | New | Q1 2026 | May 14, 2026 |
| Squarepoint Ops LLC | History | Reduced | 13,171 | 113 | 0.0% | 0.0% | 63 | -99,017 | -88.26% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 12,496 | 107 | 0.0% | — | 64 | +12,496 | New | Q1 2026 | May 08, 2026 |
| DEUTSCHE BANK AG\ | History | New | 12,208 | 104 | 0.0% | — | 65 | +12,208 | New | Q1 2026 | May 06, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 11,862 | 102 | 0.0% | — | 66 | +11,862 | New | Q1 2026 | May 15, 2026 |
| State of Wyoming | History | New | 10,596 | 91 | 0.01% | — | 67 | +10,596 | New | Q1 2026 | May 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | New | 9,498 | 81 | 0.0% | — | 68 | +9,498 | New | Q1 2026 | May 11, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | New | 8,500 | 73 | 0.0% | — | 69 | +8,500 | New | Q1 2026 | May 06, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | New | 7,301 | 62 | 0.0% | — | 70 | +7,301 | New | Q1 2026 | May 08, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 5,400 | 46 | 0.0% | — | 71 | +5,400 | New | Q1 2026 | May 12, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | New | 4,904 | 42 | 0.0% | — | 72 | +4,904 | New | Q1 2026 | Apr 29, 2026 |
| STRS OHIO | History | New | 4,400 | 37 | 0.0% | — | 73 | +4,400 | New | Q1 2026 | Apr 24, 2026 |
| Legal & General Group Plc | History | Reduced | 2,209 | 19 | 0.0% | 0.0% | 74 | -12,791 | -85.27% | Q1 2026 | May 08, 2026 |
| Ameritas Investment Partners, Inc. | History | New | 2,072 | 17 | 0.0% | — | 76 | +2,072 | New | Q1 2026 | May 13, 2026 |
| ASSETMARK, INC | History | Added to | 2,058 | 17 | 0.0% | 0.0% | 75 | +101 | 5.16% | Q1 2026 | May 06, 2026 |
| Russell Investments Group, Ltd. | History | New | 1,911 | 16 | 0.0% | — | 77 | +1,911 | New | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 1,582 | 13 | 0.0% | — | 78 | +1,582 | New | Q1 2026 | May 15, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | New | 1,393 | 11 | 0.0% | — | 79 | +1,393 | New | Q1 2026 | May 15, 2026 |
| Sterling Capital Management LLC | History | New | 710 | 6 | 0.0% | — | 81 | +710 | New | Q1 2026 | Apr 22, 2026 |
| FIRST HORIZON CORP | History | Added to | 723 | 6 | 0.0% | 0.0% | 80 | +202 | 38.77% | Q1 2026 | Apr 30, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 583 | 4 | 0.0% | — | 82 | +583 | New | Q1 2026 | May 15, 2026 |
| BESSEMER GROUP INC | History | New | 439 | 4 | 0.0% | — | 83 | +439 | New | Q1 2026 | May 06, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 305 | 2 | 0.0% | 0.0% | 84 | -106 | -25.79% | Q1 2026 | Apr 27, 2026 |
| Parkside Financial Bank & Trust | History | New | 188 | 1 | 0.0% | — | 86 | +188 | New | Q1 2026 | May 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 215 | 1 | 0.0% | 0.0% | 85 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Closed out | 0 | 0 | — | 0.03% | — | -1,134,572 | -100.0% | Q1 2026 | May 15, 2026 |
| Alyeska Investment Group, L.P. | History | Closed out | 0 | 0 | — | 0.02% | — | -334,771 | -100.0% | Q1 2026 | May 15, 2026 |
| Blackstone Inc. | History | Closed out | 0 | 0 | — | 0.02% | — | -300,000 | -100.0% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -243,313 | -100.0% | Q1 2026 | May 12, 2026 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -171,633 | -100.0% | Q1 2026 | May 14, 2026 |
| Fortress Investment Group LLC | History | Closed out | 0 | 0 | — | 0.66% | — | -152,573 | -100.0% | Q1 2026 | May 15, 2026 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 1.56% | — | -150,000 | -100.0% | Q1 2026 | May 13, 2026 |
| HBK INVESTMENTS L P | History | Closed out | 0 | 0 | — | 0.02% | — | -120,000 | -100.0% | Q1 2026 | May 15, 2026 |
| ELEMENT CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.77% | — | -87,352 | -100.0% | Q1 2026 | May 12, 2026 |
| Laurion Capital Management LP | History | Closed out | 0 | 0 | — | 0.06% | — | -80,000 | -100.0% | Q1 2026 | May 14, 2026 |
| TEACHER RETIREMENT SYSTEM OF TEXAS | History | Closed out | 0 | 0 | — | 0.0% | — | -75,000 | -100.0% | Q1 2026 | Apr 30, 2026 |
| TD ASSET MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -68,326 | -100.0% | Q1 2026 | May 11, 2026 |
| T. Rowe Price Investment Management, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -64,215 | -100.0% | Q1 2026 | May 15, 2026 |
| OXFORD ASSET MANAGEMENT LLP | History | Closed out | 0 | 0 | — | 0.27% | — | -36,193 | -100.0% | Q1 2026 | May 15, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -12,810 | -100.0% | Q1 2026 | May 13, 2026 |
| Brevan Howard Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -11,340 | -100.0% | Q1 2026 | May 15, 2026 |
| Aster Capital Management (DIFC) Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -999 | -100.0% | Q1 2026 | May 13, 2026 |
| Allworth Financial LP | History | New | 60 | 0 | — | — | — | +60 | New | Q1 2026 | May 14, 2026 |
| CITIGROUP INC | History | New | 29 | 0 | — | — | — | +29 | New | Q1 2026 | May 11, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 17 | 0 | — | — | — | +17 | New | Q1 2026 | May 11, 2026 |
| Transamerica Financial Advisors, LLC | History | New | 11 | 0 | — | — | — | +11 | New | Q1 2026 | May 15, 2026 |
| Advisory Services Network, LLC | History | New | 10 | 0 | — | — | — | +10 | New | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | No change | 25 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |