Main Street Capital (MAIN) Operating Margin (2021 - 2026)

Main Street Capital's Operating Margin history runs 6 years deep, the most recent figure standing at 62.7% for Q1 2026.

• In Q1 2026, Operating Margin fell 284.0% year-over-year to 62.7%; the TTM figure through Mar 2026 stood at 64.06% (down 92.0% YoY), while the FY2025 annual figure was 64.75%, down 88.0% from the prior year.
• Operating Margin was 62.7% for Q1 2026 at Main Street Capital, down from 64.64% in the prior quarter.
• In the past five years, Operating Margin ranged from a high of 69.71% in Q4 2023 to a low of 55.76% in Q4 2022.
• Historically, Operating Margin has averaged 64.97% across 5 years, with a median of 64.83% in 2025.
• The sharpest annual moves came in 2022 and 2023: Operating Margin plunged 656 bps in 2022, then jumped 1395 bps in 2023.
• A 5-year view of Operating Margin shows it stood at 55.76% in 2022, then advanced by 25 bps to 69.71% in 2023, then retreated by 8 bps to 64.34% in 2024, then gained by 0 bps to 64.64% in 2025, then retreated by 3 bps to 62.7% in 2026.
• The last three Operating Margin figures came in at 62.7% (Q1 2026), 64.64% (Q4 2025), and 64.02% (Q3 2025), per Business Quant data.