BDC Comparison
FSK vs MAIN: Which Is the Better Pick in 2026?
A head-to-head comparison of FS KKR Capital Corp. and Main Street Capital Corporation covering yield, cost, risk, and income potential.
Data updated July 15, 2026
Side-by-side snapshot
| FSK | MAIN | |
|---|---|---|
| Full name | FS KKR Capital Corp. | Main Street Capital Corporation |
| Issuer | FS Investments | Main Street Capital |
| Last Close | $10.79 as of July 15, 2026 | $53.09 as of July 15, 2026 |
| Distribution yield | 21.83% | 13.00% |
| Distribution Safety Score | 44 | 73 |
| Expense ratio | — | — |
| AUM | — | — |
| Distribution frequency | Quarterly | Monthly |
| Underlying index | — | — |
| Objective | — | — |
| Asset class | Equity | Equity |
| Inception date | N/A | N/A |
| Beta | 0.898 | 0.725 |
| Last dividend | $0.4200 | $0.2650 |
| Ex-dividend date | 06/17/2026 | 09/08/2026 |
Bottom lineChoose FSK if you want higher current income (21.83% vs 13.00% for MAIN). Choose MAIN if you want private-credit income through a business development company.
Income calculator
See how much monthly income a hypothetical investment would generate in each business development company at current yields.
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Visual comparison
Key metrics
Projected income on $10K
Projections assume the current yield and share price remain constant. Actual results will vary.
Quick verdict
FSK (FS KKR Capital Corp.) and MAIN (Main Street Capital Corporation) are both dividend-paying business development companies (BDCs), but they take different approaches.
FSK offers the higher yield at 21.83% vs 13.00% for MAIN. A higher yield means more current income per dollar invested, though it may come with different risk characteristics.
Who should choose each?
Choose FSK
FS KKR Capital Corp.
- Want higher current income — FSK yields 21.83% vs 13.00% for MAIN.
- Want private-credit exposure — a BDC lending to middle-market companies.
Choose MAIN
Main Street Capital Corporation
- Want private-credit exposure — a BDC lending to middle-market companies.
- Prefer lower volatility — a beta of 0.7 vs 0.9 for FSK.
Not sure? Use the income calculator and snapshot above to weigh these trade-offs against your own goals.
Deep dive
Yield & income
On a $10,000 investment, FSK would generate roughly $181.92/month, while MAIN would produce $108.33/month, at current distribution rates.
Strategy & risk
FSK is a business development company, while MAIN is a business development company. Beta is 0.898 for FSK and 0.725 for MAIN, indicating MAIN is less volatile relative to the market.
Security details
FSK (FS KKR Capital Corp.) is a business development company. MAIN (Main Street Capital Corporation) is a business development company.
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Frequently asked questions
Is FSK or MAIN better for dividend income?
It depends on your goals. FSK currently offers the higher distribution yield, which means more income per dollar invested. However, a lower-yield fund may offer better total return or lower volatility. Consider your time horizon and risk tolerance.
What is the difference between FSK and MAIN?
FSK (FS KKR Capital Corp.) is a business development company, while MAIN (Main Street Capital Corporation) is a business development company. They are issued by FS Investments and Main Street Capital respectively.
Can I hold both FSK and MAIN?
Yes — nothing prevents holding both. Whether the combination actually diversifies depends on how much the underlying exposures overlap, which isn't fully measurable from the data on this page; review each security's holdings, sector, and strategy before treating them as complementary.
How much income does $10,000 in FSK vs MAIN generate?
At current rates, $10,000 in FSK would generate roughly $181.92 per month ($2,183.00 annually). The same in MAIN would produce about $108.33 per month ($1,300.00 annually).
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