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.

• On a quarterly basis, Operating Margin rose 2.0% year-over-year to 62.7% in Q1 2026; TTM through Mar 2026 was 62.8%, a 145.0% decrease from a year earlier, with the FY2025 full-year figure at 62.27%, down 335.0% from the prior year.
• Operating Margin eased to 62.7% in Q1 2026 per MAIN's latest filing, from 63.28% in the prior quarter.
• Across five years, Operating Margin topped out at 69.71% in Q4 2023 and bottomed at 55.76% in Q4 2022.
• The 5-year median for Operating Margin is 64.23% (2022), against an average of 64.51%.
• Across the five-year window, Operating Margin plunged 656 bps in 2022 and soared 1395 bps in 2023, its largest moves.
• Year by year, Operating Margin 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 retreated by 2 bps to 63.28% in 2025, then fell by 1 bps to 62.7% in 2026.
• Per Business Quant, the three latest MAIN Operating Margin figures stand at 62.7% (Q1 2026), 63.28% (Q4 2025), and 64.02% (Q3 2025).