Main Street Capital Profit Margin

As of the most recent data (March 2026), MAIN shows a profit margin of 21.8%. That compares with 58.64% in the prior-year period — down 62.8% year over year. That is above the Finance sector average of 17.37%. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, MAIN's profit margin is now 21.8% (was 58.64%) — a 62.8% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Main Street Capital is outperforming or lagging.

The Finance sector average profit margin is about 17.37%. Main Street Capital is at 21.8%, which is higher that average. That is roughly 25.5% above the sector mean. Use the comparison chart on this page to see how MAIN stacks up against individual peers as well.

That compares with 58.64% in the prior-year period — down 62.8% year over year. Improvement over multiple periods is generally more meaningful than a single strong quarter. Compare Main Street Capital with peers to see if the move is company-specific or sector-wide.

Besides this profit margin page, Stockcircle has Main Street Capital's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect profit margin (currently 21.8%) with ownership activity and broader fundamentals.