Is ISBA or MAIN cheaper?

On trailing earnings, MAIN is cheaper: ISBA trades at a 15.29 P/E and MAIN at 10.95.

Which has grown faster, ISBA or MAIN?

Over the past five years, MAIN grew revenue faster — ISBA at a 9.06% CAGR versus MAIN at 16.32%.

Does ISBA or MAIN pay a bigger dividend?

ISBA yields 2.70% and MAIN yields 7.75% based on trailing dividends and the latest price.

Is ISBA or MAIN more profitable?

MAIN runs the higher net margin — ISBA at 17.23% versus MAIN at 58.59%.

Which has been the better investment, ISBA or MAIN?

Over the past 10-year, MAIN delivered the higher annualized total return — ISBA at 8.86% versus MAIN at 12.96%. Past performance doesn't predict future results.

Isabella Bank Corporation (ISBA) vs Main Street Capital Corporation (MAIN)

MAIN leads on 10 of 14 compared metrics.

A side-by-side comparison of Isabella Bank Corporation and Main Street Capital Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 16, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

ISBA

Isabella Bank Corporation

$304M

$41.43Financial Services

MAIN

Main Street Capital Corporation

$4.79B

$52.02Financial Services

Total return — ISBA vs MAIN

growth of $100 · last 19y

ISBA +5.3%MAIN +243.4%MAIN compounded faster

ISBA MAIN

ISBA vs MAIN: by the numbers

•MAIN is the larger company ($4.79B vs $304M market cap).
•MAIN trades at the lower earnings multiple (10.95 vs 15.29 P/E).
•MAIN converts more revenue to profit (58.59% vs 17.23% net margin).
•MAIN grew revenue faster over the past five years (16.32% vs 9.06% CAGR).
•MAIN pays the higher dividend yield (7.75% vs 2.70%).

Which is better, ISBA or MAIN?

Metric tally: ISBA 4 · MAIN 10

It depends on what you're optimizing for:

ValueMAIN(lower P/E)

GrowthMAIN(faster 5Y revenue CAGR)

IncomeMAIN(higher dividend yield)

QualityMAIN(higher ROIC)

Metrics side by side

Valuation

Metric	ISBA	MAIN
P/E ratio	15.29	10.95●
Forward P/E	11.67●	13.67
P/S ratio	2.63●	6.48
P/B ratio	1.30●	1.52
PEG ratio	0.52	0.17●

Profitability

Metric	ISBA	MAIN
Gross margin	71.36%	86.39%●
Operating margin	20.07%	66.79%●
Net margin	17.23%	58.59%●
ROE	8.53%	13.78%●
ROIC	4.45%	8.64%●

Dividends

Metric	ISBA	MAIN
Dividend yield	2.70%	7.75%●
Payout ratio	43.75%	73.01%

Growth (annualized)

Metric	ISBA	MAIN
Revenue CAGR (5Y)	9.06%	16.32%●
EPS CAGR (5Y)	13.32%	65.11%●
Total return CAGR (5Y)	17.87%●	12.53%

Frequently asked

Which is better, ISBA or MAIN?: It depends on your goal. value: MAIN (lower P/E); growth: MAIN (faster 5Y revenue CAGR); income: MAIN (higher dividend yield); quality: MAIN (higher ROIC). Across all compared metrics, MAIN leads 10 to 4.
Is ISBA or MAIN cheaper?: On trailing earnings, MAIN is cheaper: ISBA trades at a 15.29 P/E and MAIN at 10.95.
Which has grown faster, ISBA or MAIN?: Over the past five years, MAIN grew revenue faster — ISBA at a 9.06% CAGR versus MAIN at 16.32%.
Does ISBA or MAIN pay a bigger dividend?: ISBA yields 2.70% and MAIN yields 7.75% based on trailing dividends and the latest price.
Is ISBA or MAIN more profitable?: MAIN runs the higher net margin — ISBA at 17.23% versus MAIN at 58.59%.
Which has been the better investment, ISBA or MAIN?: Over the past 10-year, MAIN delivered the higher annualized total return — ISBA at 8.86% versus MAIN at 12.96%. Past performance doesn't predict future results.

Go deeper

Full ISBA analysis Full MAIN analysis Interactive comparison tool

Dig into the metrics

Isabella Bank P/E ratio Main Street Capital P/E ratio Isabella Bank dividend yield Main Street Capital dividend yield Isabella Bank ROE Main Street Capital ROE Isabella Bank operating margin Main Street Capital operating margin Isabella Bank revenue growth Main Street Capital revenue growth Isabella Bank free cash flow Main Street Capital free cash flow

Isabella Bank & Main Street Capital appear in these rankings

Highest Dividend Yield Stocks Fastest Revenue Growth Stocks Highest Operating Margin Stocks Highest FCF Yield Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 16, 2026.