CSWC vs SLRC vs ARCC vs GBDC

For growth investors, Golub Capital BDC, Inc.

(GBDC) is the stronger pick with 42. 5% revenue growth year-over-year, versus 7. 7% for Capital Southwest Corporation (CSWC). SLR Investment Corp. (SLRC) offers the better valuation at 8. 2x trailing P/E (8. 7x forward), making it the more compelling value choice. Analysts rate Capital Southwest Corporation (CSWC) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, SLR Investment Corp.

(SLRC) is the cheapest at 8. 2x versus Capital Southwest Corporation at 16. 5x. On forward P/E, SLR Investment Corp. is actually cheaper at 8. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: SLR Investment Corp. wins at 0. 24x versus Ares Capital Corporation's 0. 97x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Capital Southwest Corporation (CSWC) delivered a total return of +52.

1%, compared to +17. 8% for SLR Investment Corp. (SLRC). Over 10 years, the gap is even starker: CSWC returned +231. 6% versus GBDC's +61. 2%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Golub Capital BDC, Inc.

(GBDC) is the lower-risk stock at 0. 64β versus Capital Southwest Corporation's 0. 84β — meaning CSWC is approximately 30% more volatile than GBDC relative to the S&P 500. On balance sheet safety, Capital Southwest Corporation (CSWC) carries a lower debt/equity ratio of 108% versus 123% for Golub Capital BDC, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Golub Capital BDC, Inc.

(GBDC) is pulling ahead at 42. 5% versus 7. 7% for Capital Southwest Corporation (CSWC). On earnings-per-share growth, the picture is similar: Golub Capital BDC, Inc. grew EPS 4. 4% year-over-year, compared to -28. 3% for Capital Southwest Corporation. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Golub Capital BDC, Inc.

(GBDC) is the more profitable company, earning 43. 2% net margin versus 41. 3% for Ares Capital Corporation — meaning it keeps 43. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: GBDC leads at 78. 9% versus 48. 5% for CSWC. At the gross margin level — before operating expenses — GBDC leads at 81. 5%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, SLR Investment Corp. (SLRC) is the more undervalued stock at a PEG of 0. 24x versus Ares Capital Corporation's 0. 97x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, SLR Investment Corp. (SLRC) trades at 8. 7x forward P/E versus 10. 1x for Capital Southwest Corporation — 1. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SLRC: 16. 5% to $16. 25.

All stocks in this comparison pay dividends.

SLR Investment Corp. (SLRC) offers the highest yield at 11. 8%, versus 2. 0% for Ares Capital Corporation (ARCC).

For long-horizon retirement investors, Golub Capital BDC, Inc.

(GBDC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 64), 10. 4% yield). Both have compounded well over 10 years (GBDC: +61. 2%, SLRC: +64. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: CSWC is a small-cap deep-value stock; SLRC is a small-cap high-growth stock; ARCC is a mid-cap high-growth stock; GBDC is a small-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.