Organization	3 Months Ended
Sep. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	1. Organization Great Elm Group, Inc. (referred to as the Company or GEG) is an alternative asset management company incorporated in Delaware. The Company focuses on growing a scalable and diversified portfolio of long-duration and permanent capital vehicles across credit, real estate, specialty finance, and other alternative strategies. The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, including Great Elm Capital Management, LLC (GECM), Great Elm Opportunities GP, Inc. (GEO GP), Great Elm Capital GP, LLC (GEC GP), Great Elm Investments, LLC (GEI), Great Elm FM Acquisition, Inc. (FM Acquisition), Great Elm DME Holdings, Inc. (DME Holdings), Great Elm Real Estate Ventures, LLC (REV), Monomoy CRE, LLC (MCRE), Monomoy Construction Services, LLC (MCS), Monomoy BTS Corporation (MBTS) and Monomoy BTS Holdings, LLC (BTS). In addition, we have determined that the Company was the primary beneficiary of certain variable interest entities, and therefore the operations of those entities have been included in our consolidated results for the relevant periods. The Company conducts its operations through the following two reportable segments: • Alternative Credit - focused on income generation and capital preservation through investment in debt and income-generating securities, direct lending, CLOs, and specialty finance businesses including Factoring, Asset Based Lending and Healthcare • Real Estate - full service, end-to-end real estate platform combining investment expertise and turnkey execution capabilities for industrial outdoor storage (IOS) sector

Organization

3 Months Ended

Sep. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. Organization

Great Elm Group, Inc. (referred to as the Company or GEG) is an alternative asset management company incorporated in Delaware. The Company focuses on growing a scalable and diversified portfolio of long-duration and permanent capital vehicles across credit, real estate, specialty finance, and other alternative strategies.

The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, including Great Elm Capital Management, LLC (GECM), Great Elm Opportunities GP, Inc. (GEO GP), Great Elm Capital GP, LLC (GEC GP), Great Elm Investments, LLC (GEI), Great Elm FM Acquisition, Inc. (FM Acquisition), Great Elm DME Holdings, Inc. (DME Holdings), Great Elm Real Estate Ventures, LLC (REV), Monomoy CRE, LLC (MCRE), Monomoy Construction Services, LLC (MCS), Monomoy BTS Corporation (MBTS) and Monomoy BTS Holdings, LLC (BTS). In addition, we have determined that the Company was the primary beneficiary of certain variable interest entities, and therefore the operations of those entities have been included in our consolidated results for the relevant periods.

The Company conducts its operations through the following two reportable segments:

•

Alternative Credit - focused on income generation and capital preservation through investment in debt and income-generating securities, direct lending, CLOs, and specialty finance businesses including Factoring, Asset Based Lending and Healthcare

•

Real Estate - full service, end-to-end real estate platform combining investment expertise and turnkey execution capabilities for industrial outdoor storage (IOS) sector