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

Main Street Capital's Net Margin history runs 6 years deep, the most recent figure standing at 32.59% for Q1 2026.

• On a quarterly basis, Net Margin fell 607.0% year-over-year to 32.59% in Q1 2026; TTM through Mar 2026 was 38.39%, a 480.0% increase from a year earlier, with the FY2025 full-year figure at 39.68%, up 252.0% from the prior year.
• Net Margin fell to 32.59% in Q1 2026 per MAIN's latest filing, from 41.4% in the prior quarter.
• Across five years, Net Margin topped out at 47.89% in Q1 2024 and bottomed at 29.79% in Q4 2022.
• The 5-year median for Net Margin is 39.45% (2023), against an average of 34.79%.
• Across the five-year window, Net Margin sank 4534 bps in 2022 and surged 6975 bps in 2023, its largest moves.
• Year by year, Net Margin stood at 29.79% in 2022, then surged by 234 bps to 39.96% in 2023, then sank by 43 bps to 22.71% in 2024, then surged by 82 bps to 41.4% in 2025, then fell by 21 bps to 32.59% in 2026.
• Per Business Quant, the three latest MAIN Net Margin figures stand at 32.59% (Q1 2026), 41.4% (Q4 2025), and 40.79% (Q3 2025).