Credit ResearchApril 2025

BDC Portfolio Analysis: Credit Quality Across 43 Public BDCs

Deep dive into business development company portfolios, fair value trends, concentration risk, and what public BDC data reveals about private credit quality.

38
BDCs Tracked
23,238
Portfolio Positions
$26.9B
Total Fair Value

Business Development Companies (BDCs) are publicly traded vehicles that provide middle-market companies with debt and equity capital. Because BDCs file detailed portfolio holdings with the SEC, they offer a unique window into private credit quality that is not available for traditional private credit funds. Our database tracks 38 public BDCs with 23,238 individual portfolio positions.

Fair value analysis across BDC portfolios reveals important trends in private credit health. The ratio of fair value to cost basis is a key indicator of credit quality. When this ratio is above 1.0, the portfolio is trading at a premium to cost, suggesting healthy credit conditions. Below 1.0 indicates markdowns and potential credit deterioration. We track this metric across every BDC in our database.

Concentration risk is another critical dimension. Some BDCs hold diversified portfolios across hundreds of borrowers, while others concentrate in fewer, larger positions. Our analysis reveals the most common borrowers across the BDC universe, identifying companies that appear in multiple BDC portfolios. High overlap suggests crowded trades in popular credits.

The connection between BDC performance and broader private credit health is direct. BDCs employ the same direct lending and mezzanine strategies used by private credit funds, often managed by the same firms. BDC data serves as a real-time proxy for private credit market conditions, making it invaluable for allocators and GP stakes investors evaluating credit managers.

For GP stakes investors, BDC data is particularly relevant because many of the largest credit managers operate both BDC and private fund strategies. Understanding BDC portfolio quality, fee structures, and NAV trends provides insight into the health of the broader credit platform and the sustainability of management fee revenue.

Largest BDCs by Portfolio Fair Value

BDCTickerPositionsFair ValueCostFV/Cost
Stellus Capital Investment CorpSCM1,608$9.2B$8.0B1.153x
Saratoga Investment CorpSAR1,324$3.9B$3.3B1.188x
BlackRock TCP Capital CorpTCPC401$3.6B$2.1B1.694x
Oxford Square Capital CorpOXSQ181$3.1B$17M186.777x
FS KKR Capital CorpFSK1,350$2.6B$38,029.968079.140x
SuRo Capital CorpSSSS476$2.5B$2.4B1.015x
BlackRock Capital Investment CorpBKCC157$1.8B$78M22.469x
Owl Rock Capital CorpORCC971$44M$18M2.436x
Bain Capital Specialty Finance IncBCSF1,435$25M$25M1.002x
Blackstone Secured Lending FundBXSL1,516$23M$4M5.714x
Prospect Capital CorpPSEC485$12M$12M1.061x
Hercules Capital IncHTGC640$12M$5M2.596x
Oaktree Specialty Lending CorpOCSL688$11M$1M7.680x
Golub Capital BDC IncGBDC102$9MN/AN/A
CION Investment CorpCION628$8M$12M0.659x
Goldman Sachs BDC IncGSBD1,007$7M$25,238272.698x
Barings BDC IncBBDC1,143$7M$2M3.654x
MidCap Financial Investment CorpMFIC426$4M$4M0.936x
SLR Investment CorpSLRC82$4MN/AN/A
Capital Southwest CorpCSWC432$3M$2,2441490.590x

Most Common Borrowers Across BDCs

CompanyBDCs HoldingTotal Fair Value
Total assets18N/A
Total liabilities16N/A
Cash and cash equivalents12N/A
Total liabilities and net assets12N/A
Total net assets11N/A
Total11$3.7B
Interest receivable10N/A
Other assets10N/A
Total Investments10$2.0B
Other liabilities9N/A
Interest payable8N/A
$8N/A
Total Control Investments8$21M
Accounts payable and accrued expenses6N/A
16N/A

Explore BDC Data

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