Lumexa Imaging Holdings, Inc.
LMRI- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0002071288
No open-market purchases or sales by Lumexa Imaging Holdings, Inc. insiders were filed in the last 90 days; 102 institutions reported holding it in 13F filings for Q2 2026, worth $354.7M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Lumexa Imaging Holdings, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 90
- +30 vs. Q4 2025
- Shares held
- 31.9M
- +3.90M (+13.9%) vs. Q4 2025
- Total value
- $303.5M
- −$215.2M (−41.5%) vs. Q4 2025
- New holders
- 47
- 24 more added
- Sold out
- 17
- 15 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting LMRI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 102 | $354.7M |
| Q1 2026 | 90 | $303.5M |
| Q4 2025 | 62 | $523.2M |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Lumexa Imaging Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 2,980,462 | $55.1M | 0.02% | −258,017−8.0% | Reduced |
| Massachusetts Financial Services Co | 2,334,580 | $20.1M | 0.01% | +1,334,567+133.5% | Added |
| Janus Henderson Group PLC | 2,100,356 | $18.1M | 0.01% | +107,903+5.4% | Added |
| Brown Advisory Inc | 1,705,077 | $14.7M | 0.02% | +1,705,077 | New |
| ArrowMark Colorado Holdings LLC | 1,653,258 | $14.2M | 0.38% | +153,258+10.2% | Added |
| BlackRock, Inc. | 1,525,683 | $13.1M | 0.00% | +1,425,683+1,425.7% | Added |
| Invesco Ltd. | 1,440,542 | $12.4M | 0.00% | +4,735+0.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 1,300,000 | $11.2M | 0.02% | −200,000−13.3% | Reduced |
| Vanguard Capital Management LLC | 1,058,486 | $9.10M | 0.00% | +1,058,486 | New |
| JPMorgan Chase & Co | 1,104,507 | $8.80M | 0.00% | +242,110+28.1% | Added |
| Emerald Advisers, LLC | 923,726 | $7.94M | 0.25% | −9,163−1.0% | Reduced |
| Pillsbury Lake Capital LLC | 814,869 | $7.01M | 3.17% | +814,869 | New |
| FMR LLC | 794,589 | $6.83M | 0.00% | +112,889+16.6% | Added |
| Goldman Sachs Group Inc | 765,509 | $6.58M | 0.00% | −254,488−24.9% | Reduced |
| Millennium Management LLC | 714,676 | $6.15M | 0.00% | −575,988−44.6% | Reduced |
| Geode Capital Management, LLC | 674,134 | $5.80M | 0.00% | +590,459+705.7% | Added |
| Principal Financial Group Inc | 664,136 | $5.71M | 0.00% | +7,875+1.2% | Added |
| Citadel Advisors LLC | 656,585 | $5.65M | 0.00% | −193,415−22.8% | Reduced |
| Emerald Mutual Fund Advisers Trust | 653,342 | $5.62M | 0.27% | +64,677+11.0% | Added |
| RTW Investments, LP | 650,000 | $5.59M | 0.06% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 570,000 | $4.90M | 0.01% | +120,000+26.7% | Added |
| Longaeva Partners L.P. | 557,423 | $4.79M | 0.23% | +357,423+178.7% | Added |
| Woodline Partners LP | 532,098 | $4.58M | 0.02% | −149,065−21.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 418,528 | $3.60M | 0.01% | −628,260−60.0% | Reduced |
| State Street Corp | 376,792 | $3.24M | 0.00% | +376,792 | New |
| Prescott Group Capital Management, L.L.C. | 357,050 | $3.07M | 0.31% | +357,050 | New |
| Royce & Associates LP | 330,000 | $2.84M | 0.03% | +330,000 | New |
| Franklin Resources Inc | 322,901 | $2.78M | 0.00% | +322,901 | New |
| Kayne Anderson Rudnick Investment Management LLC | 305,577 | $2.63M | 0.01% | +200,577+191.0% | Added |
| Zimmer Partners, LP | 300,000 | $2.58M | 0.06% | −310,000−50.8% | Reduced |
| Prelude Capital Management, LLC | 299,491 | $2.58M | 0.20% | +299,491 | New |
| XTX Topco Ltd | 232,358 | $2.00M | 0.03% | +232,358 | New |
| Readystate Asset Management LP | 224,755 | $1.93M | 0.11% | +84,755+60.5% | Added |
| Charles Schwab Investment Management Inc | 209,451 | $1.80M | 0.00% | +209,451 | New |
| Schonfeld Strategic Advisors LLC | 200,701 | $1.73M | 0.01% | +200,701 | New |
| Northern Trust Corp | 181,430 | $1.56M | 0.00% | +181,430 | New |
| UBS Group AG | 175,185 | $1.51M | 0.00% | +163,860+1,446.9% | Added |
| Vanguard Fiduciary Trust Co | 161,351 | $1.39M | 0.00% | +161,351 | New |
| Vanguard Portfolio Management LLC | 146,872 | $1.26M | 0.00% | +146,872 | New |
| Hunter Associates Investment Management LLC | 142,962 | $1.23M | 0.16% | +142,962 | New |
| Ameriprise Financial Inc | 127,009 | $1.09M | 0.00% | +9,311+7.9% | Added |
| Bank of America Corp | 111,313 | $957.3K | 0.00% | +111,307+1,855,116.7% | Added |
| Boothbay Fund Management, LLC | 110,585 | $951.0K | 0.02% | +110,585 | New |
| Seven Grand Managers, LLC | 110,000 | $946.0K | 0.06% | −535,500−83.0% | Reduced |
| Morgan Stanley | 104,430 | $898.1K | 0.00% | +86,897+495.6% | Added |
| Point72 Asset Management, L.P. | 101,278 | $871.0K | 0.00% | +3,127+3.2% | Added |
| F/M Investments LLC | 94,977 | $816.8K | 0.05% | +94,977 | New |
| Renaissance Technologies LLC | 90,423 | $777.6K | 0.00% | +90,423 | New |
| SEI Investments Co | 88,190 | $758.4K | 0.00% | +68,127+339.6% | Added |
| Ghisallo Capital Management LLC | 75,000 | $645.0K | 0.02% | −50,000−40.0% | Reduced |
| Bank of New York Mellon Corp | 55,706 | $479.1K | 0.00% | +55,706 | New |
| Burkehill Global Management, LP | 50,000 | $430.0K | 0.02% | 00.0% | Unchanged |
| Nuveen, LLC | 29,464 | $253.4K | 0.00% | +29,464 | New |
| Bullseye Asset Management LLC | 20,000 | $172.0K | 0.10% | +20,000 | New |
| Price T Rowe Associates Inc | 17,874 | $154.0K | 0.00% | +17,874 | New |
| Rhumbline Advisers | 17,803 | $153.1K | 0.00% | +17,803 | New |
| Two Sigma Investments, LP | 16,894 | $145.3K | 0.00% | +3,394+25.1% | Added |
| Barclays PLC | 16,847 | $144.9K | 0.00% | +9,647+134.0% | Added |
| D. E. Shaw & Co., Inc. | 16,418 | $141.2K | 0.00% | −183,582−91.8% | Reduced |
| MetLife Investment Management | 14,441 | $124.2K | 0.00% | +14,441 | New |
| Squarepoint Ops LLC | 13,171 | $113.3K | 0.00% | −99,017−88.3% | Reduced |
| Vanguard Global Advisers, LLC | 12,496 | $107.5K | 0.00% | +12,496 | New |
| Deutsche Bank AG | 12,208 | $105.0K | 0.00% | +12,208 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 11,862 | $102.0K | 0.00% | +11,862 | New |
| State of Wyoming | 10,596 | $91.1K | 0.01% | +10,596 | New |
| Wells Fargo & Company | 9,498 | $81.7K | 0.00% | +9,498 | New |
| New York State Common Retirement Fund | 8,500 | $73.1K | 0.00% | +8,500 | New |
| The PNC Financial Services Group, Inc. | 7,301 | $62.8K | 0.00% | +7,301 | New |
| BNP Paribas Arbitrage, SA | 5,400 | $46.4K | 0.00% | +5,400 | New |
| Police & Firemen's Retirement System of New Jersey | 4,904 | $42.2K | 0.00% | +4,904 | New |
| STRS Ohio | 4,400 | $37.8K | 0.00% | +4,400 | New |
| Legal & General Group Plc | 2,209 | $19.0K | 0.00% | −12,791−85.3% | Reduced |
| Ameritas Investment Partners, Inc. | 2,072 | $17.8K | 0.00% | +2,072 | New |
| Assetmark, Inc | 2,058 | $17.7K | 0.00% | +101+5.2% | Added |
| Russell Investments Group, Ltd. | 1,911 | $16.4K | 0.00% | +1,911 | New |
| Tower Research Capital LLC (TRC) | 1,582 | $13.6K | 0.00% | +1,582 | New |
| California State Teachers Retirement System | 1,393 | $12.0K | 0.00% | +1,393 | New |
| First Horizon Corp | 723 | $6.22K | 0.00% | +202+38.8% | Added |
| Sterling Capital Management LLC | 710 | $6.11K | 0.00% | +710 | New |
| Jones Financial Companies LLLP | 583 | $4.54K | 0.00% | +583 | New |
| Bessemer Group Inc | 439 | $4.00K | 0.00% | +439 | New |
| SBI Securities Co., Ltd. | 305 | $2.62K | 0.00% | −106−25.8% | Reduced |
| Advisor Group Holdings, Inc. | 215 | $1.85K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 188 | $1.62K | 0.00% | +188 | New |
| Allworth Financial LP | 60 | $516 | 0.00% | +60 | New |
| Citigroup Inc | 29 | $249 | 0.00% | +29 | New |
| MAI Capital Management | 25 | $215 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 17 | $146 | 0.00% | +17 | New |
| Transamerica Financial Advisors, Inc. | 11 | $94 | 0.00% | +11 | New |
| Advisory Services Network, LLC | 10 | $86 | 0.00% | +10 | New |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −2,007,483−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,134,572−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −334,771−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −243,313−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −171,633−100.0% | Sold out |
| Fortress Investment Group LLC | 0 | $0 | 0.00% | −152,573−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −120,000−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −87,352−100.0% | Sold out |