FDUS vs CSWC vs ARCC vs GAIN

For growth investors, Fidus Investment Corporation (FDUS) is the stronger pick with 40.

1% revenue growth year-over-year, versus -12. 9% for Gladstone Investment Corporation (GAIN). Fidus Investment Corporation (FDUS) offers the better valuation at 8. 0x trailing P/E (9. 2x forward), making it the more compelling value choice. Analysts rate Fidus Investment Corporation (FDUS) a "Buy" — based on 12 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, Fidus Investment Corporation (FDUS) is the cheapest at 8.

0x versus Capital Southwest Corporation at 16. 5x. On forward P/E, Fidus Investment Corporation is actually cheaper at 9. 2x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Fidus Investment Corporation wins at 0. 73x 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, Gladstone Investment Corporation (GAIN) delivered a total return of +73.

9%, compared to +49. 5% for Ares Capital Corporation (ARCC). Over 10 years, the gap is even starker: GAIN returned +322. 9% versus ARCC's +139. 7%. 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), Gladstone Investment Corporation (GAIN) is the lower-risk stock at 0.

53β versus Capital Southwest Corporation's 0. 84β — meaning CSWC is approximately 56% more volatile than GAIN relative to the S&P 500. On balance sheet safety, Fidus Investment Corporation (FDUS) carries a lower debt/equity ratio of 31% versus 112% for Ares Capital Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Fidus Investment Corporation (FDUS) is pulling ahead at 40.

1% versus -12. 9% for Gladstone Investment Corporation (GAIN). On earnings-per-share growth, the picture is similar: Fidus Investment Corporation grew EPS -3. 3% 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.

Gladstone Investment Corporation (GAIN) is the more profitable company, earning 72.

7% net margin versus 41. 3% for Ares Capital Corporation — meaning it keeps 72. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: FDUS leads at 76. 1% versus 48. 5% for CSWC. At the gross margin level — before operating expenses — ARCC leads at 75. 7%, 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, Fidus Investment Corporation (FDUS) is the more undervalued stock at a PEG of 0. 73x 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, Fidus Investment Corporation (FDUS) trades at 9. 2x forward P/E versus 41. 2x for Gladstone Investment Corporation — 31. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ARCC: 14. 2% to $21. 88.

All stocks in this comparison pay dividends.

Fidus Investment Corporation (FDUS) offers the highest yield at 11. 4%, versus 2. 0% for Ares Capital Corporation (ARCC).

For long-horizon retirement investors, Gladstone Investment Corporation (GAIN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

53), 9. 9% yield, +322. 9% 10Y return). Both have compounded well over 10 years (GAIN: +322. 9%, ARCC: +139. 7%), 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: FDUS is a small-cap high-growth stock; CSWC is a small-cap deep-value stock; ARCC is a mid-cap high-growth stock; GAIN is a small-cap deep-value 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.