Portfolio
As of March 31, 2024

Portfolio at a Glance

We believe GBDC’s investment portfolio is conservatively positioned and composed of predominantly first lien, first out senior secured floating rate loans, which mitigate credit and interest rate risk.

Nearly twice the diversification by obligor vs. the BDC peer average¹^,²
Higher percentage of first lien loans vs. the BDC peer average¹^,³

Investment Portfolio

$ 5.3 + Billion

Investments

365 +

First Lien Senior Secured Debt

93 %

Median EBITDA

$ 63.4 Million

Portfolio Composition

Portfolio Composition by Seniority

93% First Lien

Portfolio Composition by Loan Interest Rate Type⁵

99% Floating Rate Loans

Diversification by Obligor

366 Investments
0.3% Average Investment Size

Diversification by Industry⁶

Based on fair value of investments as of March 31, 2024 unless otherwise noted.

We have based the above statements on information available to us on the date of March 31, 2024 unless otherwise noted, and we assume no obligation to update any such statements. Future results could differ materially from historical performance. Although we undertake no obligation to revise or update any of these statements, whether as a result of new information, future events or otherwise, you are advised to consult any additional disclosures that we may make through reports that we have filed or in the future may file with the Securities and Exchange Commission (“SEC”), including annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K.

The above statements contain statistics and other data that have been obtained from or compiled from information made available by third-party service providers. We have not independently verified such statistics or data.

As of March 31, 2024. The BDC peer group utilized by Golub Capital is the 15 largest publicly traded, externally managed BDCs by total balance sheet assets, excluding GBDC. Golub Capital has selected this group of BDCs for comparison because the Firm believes that the group represents companies that have a similar structure and size as GBDC. Source: SEC Filings.
As of March 31, 2024. GBDC has 0.3% average investment size vs. 0.5% for the BDC peer group. Calculated based on each BDC’s total investment portfolio size and average portfolio company investment size at fair value. Source: SEC Filings.
As of March 31, 2024. GBDC has 93% first lien portfolio composition vs. 76% average for the BDC peer group. Source: SEC Filings.
Junior debt is comprised of subordinated debt and second lien loans.
The percentage of fixed rate and floating rate loans is calculated using total debt investments at fair value and excludes equity investments.
Based on S&P 2018 industry code. The nine largest industries represented as a percentage of the portfolio at fair value are labeled. All other industry segments are each below 3%.

Portfolio As of March 31, 2024