Gladstone Capital Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

SUBSEQUENT EVENTS - Narrative (Details)

v3.25.2

SUBSEQUENT EVENTS - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended	9 Months Ended
	Aug. 04, 2025	Jul. 31, 2025	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Subsequent Event [Line Items]
Purchase of investments			$ 270,163	$ 149,122
Financial support to investee, not provided			$ 48,669		$ 57,594
8th Avenue Food and Provisions, Inc. \| Subsequent Event
Subsequent Event [Line Items]
Net proceeds from the sale of investments		$ 3,700
MASSiv Brands, LLC \| Subsequent Event
Subsequent Event [Line Items]
Purchase of investments		25,000
Alsay, Inc. \| Subsequent Event
Subsequent Event [Line Items]
Purchase of investments		15,000
Snif-Snax, LLC \| Subsequent Event
Subsequent Event [Line Items]
Purchase of investments		23,700
Precision Manufacturing Business \| Subsequent Event
Subsequent Event [Line Items]
Purchase of investments		13,000
Financial support to investee, not provided		$ 4,000
OCI, LLC \| Subsequent Event
Subsequent Event [Line Items]
Purchase of investments	$ 16,600

- Definition

Amount of financial support committed by investment company to investee that is contractually required but not provided.

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