13F

Stock

Lumexa Imaging Holdings, Inc.

LMRI · held by 62 managers

Reported value

$486.1M

Holders

62

+7 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$59.9M

ALLIANCEBERNSTEIN L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
ALLIANCEBERNSTEIN L.P.3.24M$59.9MHeld
JANUS HENDERSON GROUP PLC1.99M$36.9MHeld
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND1.5M$27.8MHeld
ArrowMark Colorado Holdings LLC1.5M$27.8MHeld
Invesco Ltd.1.44M$26.6MHeld
MILLENNIUM MANAGEMENT LLC1.29M$23.9MHeld
Balyasny Asset Management L.P.1.13M$21MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.1.05M$19.4MHeld
GOLDMAN SACHS GROUP INC1.02M$18.9MHeld
MASSACHUSETTS FINANCIAL SERVICES CO /MA/1M$18.5MHeld
EMERALD ADVISERS, LLC932.9K$17.3MHeld
JPMORGAN CHASE & CO862.4K$16MHeld
Citadel850K$15.7MHeld
Fidelity681.7K$12.6MHeld
Woodline Partners LP681.2K$12.6MHeld
PRINCIPAL FINANCIAL GROUP INC656.3K$12.1MHeld
RTW INVESTMENTS, LP650K$12MHeld
SEVEN GRAND MANAGERS, LLC645.5K$11.9MHeld
Zimmer Partners, LP610K$11.3MHeld
EMERALD MUTUAL FUND ADVISERS TRUST588.7K$10.9MHeld
FEDERATED HERMES, INC.450K$8.32MHeld
Alyeska Investment Group, L.P.334.8K$6.19MHeld
Blackstone Inc.300K$5.55MNew
JANE STREET GROUP, LLC243.3K$4.5MHeld
Vanguard230K$4.26MHeld
D. E. Shaw & Co., Inc.200K$3.7MHeld
Longaeva Partners L.P.200K$3.7MHeld
MARSHALL WACE, LLP171.6K$3.18MHeld
Fortress Investment Group LLC152.6K$2.82MHeld
Monashee Investment Management LLC150K$2.77MHeld
READYSTATE ASSET MANAGEMENT LP140K$2.59MHeld
Ghisallo Capital Management LLC125K$2.31MHeld
HBK INVESTMENTS L P120K$2.22MNew
AMERIPRISE FINANCIAL INC117.7K$2.18MHeld
Squarepoint Ops LLC112.2K$2.08MHeld
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC105K$1.94MHeld
BlackRock, Inc.100K$1.85MHeld
Point72 Asset Management, L.P.98.2K$1.82MHeld
ELEMENT CAPITAL MANAGEMENT LLC87.4K$1.62MHeld
GEODE CAPITAL MANAGEMENT, LLC83.7K$1.55MHeld
Laurion Capital Management LP80K$1.48MHeld
TEACHER RETIREMENT SYSTEM OF TEXAS75K$1.39MHeld
TD Asset Management Inc68.3K$1.26MHeld
BURKEHILL GLOBAL MANAGEMENT, LP50K$925KHeld
OXFORD ASSET MANAGEMENT LLP36.2K$669.6KNew
SEI INVESTMENTS CO20.1K$371.2KHeld
MORGAN STANLEY17.5K$324.4KNew
Legal & General Group Plc15K$277.7KHeld
TWO SIGMA INVESTMENTS, LP13.5K$249.8KHeld
Hudson Bay Capital Management LP12.8K$237KNew
Brevan Howard Capital Management LP11.3K$209.8KHeld
UBS Group AG11.3K$209.5KHeld
Sandia Investment Management LP10K$185KHeld
BARCLAYS PLC7.2K$133.2KNew
T. Rowe Price Investment Management, Inc.2.01M$37.1KHeld
ASSETMARK, INC1.96K$36.2KHeld
Aster Capital Management (DIFC) Ltd999$18.5KHeld
FIRST HORIZON CORP521$9.64KHeld
SBI Securities Co., Ltd.411$7.6KHeld
OSAIC HOLDINGS, INC.215$3.98KHeld
MAI Capital Management25$463Held
BANK OF AMERICA CORP /DE/6$111New

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.