Adjusted NII and Earnings Power
Adjusted net investment income (NII) per share was $0.34 for the quarter, which corresponds to an annualized adjusted NII return on equity of 9.5% and fully covered the $0.33 per share base distribution.
Low Borrowing Cost and Favorable Funding Mix
Weighted average borrowing cost declined ~20 basis points to 5.2% annualized; ~80% of total debt funding is floating rate or swapped to floating rate, helping offset lower investment yields.
Investment Income Yield and Net Spread
Investment income yield was 9.7% annualized (down 30 basis points sequentially); reported net investment spread was 4.5%.
Strong Liquidity and Diversified Debt Profile
Total liquidity of approximately $1.4 billion (cash + undrawn commitments / adviser revolver); 51% of debt funding in unsecured notes with a well-laddered maturity profile and next unsecured note maturity in August 2026.
Portfolio Size and Granularity
Portfolio at fair value of approximately $8.3 billion across 420 borrowers; investments are granular (each avg <0.2% of portfolio) and top 10 investments comprise ~13% of portfolio (less than half peer concentration).
Low Nonaccruals and Strong Internal Ratings
Nonaccruals remained low at ~1.4% (140 bps) of total investments at fair value; ~89-90% of the investment portfolio is in the top internal performance rating categories (ratings 4 and 5).
Software Expertise and Low Historical Defaults
Software represents ~26% of the portfolio; 95% of software investments are first lien senior secured and 95% are in internal ratings 4 and 5; Golub highlighted a 20-year platform annualized default rate of 0.05 (5 bps).
Origination Selectivity and M&A Participation
At the Golub level, the team originated >$3.3 billion in Q1 2026; GBDC participated selectively with $17.7 million in new commitments, closing ~1.9% of reviewed deals at a weighted avg loan-to-value ~42%; ~57% of origination volume supported M&A transactions.
Share Repurchase and Accretion
Repurchased 2.2 million GBDC shares in the quarter at a weighted average price of $12.43 (approximately a 16% discount to 12/31/2025 NAV), generating $0.02 per share NAV accretion; Golub Capital Rabbi Trust purchased ~$19 million (1.5 million shares) for incentive awards.
Improving Operating Metrics in Portfolio
Portfolio average interest coverage improved to 1.8x and average leverage declined ~0.25 turns from year-end 2024; loan-to-value ratios remained stable at ~45%.