Main Street Capital CORP (MAIN) Net Margin (2021 - 2026)
Main Street Capital (MAIN) posted Net Margin of 477.40% for Q1 2026, down 869.89 percentage points from 1347.28% a year earlier and down 805.87 percentage points from the prior quarter.
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Main Street Capital CORP (MAIN) Net Margin (2021 - 2026) Analysis & Trends
For the trailing twelve months through Mar 31, 2026, Net Margin at Main Street Capital was 1072.39%, down 320.19 percentage points year-over-year; for FY2025, it was 1294.74%, down 33.65 percentage points from FY2024.
- Annual Net Margin shows a five-year change of +1019.23 percentage points (FY2020 to FY2025).
- In prior years, Main Street Capital's Net Margin was 1328.38% in FY2024 (+153.72 pp), 1174.66% in FY2023 (+204.24 pp), 970.42% in FY2022 (-838.31 pp) and 1808.73% in FY2021 (+1533.22 pp).
- The Q1 2026 figure stands as the lowest quarterly Net Margin since Q2 2022.
- On a year-over-year basis, Net Margin has declined in each of the last three quarters, with an average year-over-year change of -71.63 percentage points over the last eight quarters.
- The strongest year-over-year quarter for Net Margin in the past five years was Q2 2023, with a gain of 877.84 percentage points; the weakest was Q1 2026, with a drop of 869.89 percentage points.
- According to Business Quant data, Net Margin for the three prior quarters was 1283.26% (Q4 2025), 1278.25% (Q3 2025) and 1276.40% (Q2 2025).
Peer Set
Peer Comparison
Historic Data
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Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 98.67% |
| Mar 31, 2026 | 34.96% |
| Dec 31, 2025 | 90.09% |
| Sep 30, 2025 | 88.44% |
| Jun 30, 2025 | 85.11% |
| Mar 31, 2025 | 84.70% |
| Dec 31, 2024 | 124.06% |
| Sep 30, 2024 | 90.63% |
| Jun 30, 2024 | 77.70% |
| Mar 31, 2024 | 81.41% |
| Dec 31, 2023 | 107.56% |
| Sep 30, 2023 | 83.79% |
| Jun 30, 2023 | 83.49% |
| Mar 31, 2023 | 891.79% |
| Dec 31, 2022 | 1,319.59% |
| Sep 30, 2022 | 1,011.29% |
| Jun 30, 2022 | 260.40% |
| Mar 31, 2022 | 1,137.53% |
| Dec 31, 2021 | 1,696.62% |
| Sep 30, 2021 | 1,820.78% |
API Access
Main Street Capital CORP Net Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=net-margin&ticker=MAIN&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "net-margin", "ticker": "MAIN", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=net-margin&ticker=MAIN&period=max&api_key=YOUR_API_KEY");
const data = await res.json();