Net interest income reached $17.5 million in 2026Q1, yet the net interest margin remains stagnant at 0.8%, indicating limited ability to expand profitability in a competitive funding environment.
MainStreet Bancshares, Inc. (MNSB) annual income statement — 21-year revenue, gross profit & net income history
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 |
|---|
| Net Interest Income | 69.97M | 69.55M | 62.57M | 76.74M | 70.65M | 53.54M | 45.98M | 39.44M | 31.17M | 21.48M | 18.51M | 15.65M | 12.17M | 10.28M | 0 | 0 | 6.29M | 5.49M | 5.25M | 4.27M | 2.28M | 410.32K |
| NII Growth % | 21.32% | 11.14% | -18.46% | 8.62% | 31.97% | 16.44% | 16.59% | 26.52% | 45.09% | 16.08% | 18.29% | 28.54% | 18.44% | - | - | -100% | 14.76% | 4.39% | 23.04% | 87.36% | 455.49% | - |
| Net Interest Margin % | 3.12% | 3.14% | 2.81% | 3.77% | 3.67% | 3.25% | 2.8% | 3.09% | 2.83% | 2.66% | 3.21% | 3.27% | 3.53% | 3.71% | 0% | 0% | 2.67% | 2.94% | 3.6% | 4.04% | 2.75% | 0.89% |
| Interest Income | 127.65M | 131.59M | 134.62M | 124.42M | 84.02M | 64.2M | 62.07M | 58.81M | 43.84M | 26.95M | 21.58M | 17.99M | 14.24M | 12.29M | 0 | 0 | 10.92M | 10.18M | 9.67M | 7.3M | 3.68M | 564.05K |
| Interest Expense | 57.68M | 62.04M | 72.04M | 47.68M | 13.37M | 10.66M | 16.09M | 19.38M | 12.67M | 5.47M | 3.07M | 2.34M | 2.07M | 2.01M | 0 | 0 | 4.62M | 4.69M | 4.41M | 3.03M | 1.4M | 153.73K |
| Loan Loss Provision | 926K | -70K | 6.76M | 1.64M | 2.4M | -1.18M | 3.61M | 1.62M | 3.13M | 1.89M | 645K | 1.5M | 586.5K | 224.14K | 0 | 0 | 758K | 385K | 328K | 264K | 409K | 285K |
| Non-Interest Income | 3.18M | 4.3M | 3.25M | 3.34M | 4.66M | 6.11M | 7.45M | 4.86M | 3.24M | 2.23M | 1.52M | 1.26M | 1.02M | 857.54K | 9.52M | 13.88M | 671.63K | 327.82K | 196.56K | 109.19K | 65.09K | 13.69K |
| Non-Interest Income % | 4.34% | 5.82% | 4.94% | 4.17% | 6.19% | 10.24% | 13.95% | 10.98% | 9.41% | 9.39% | 7.6% | 7.48% | 7.71% | 7.7% | 100% | 100% | 9.64% | 5.64% | 3.61% | 2.49% | 2.78% | 3.23% |
| Total Net Revenue | 73.15M | 73.84M | 65.83M | 80.08M | 75.31M | 59.65M | 53.43M | 44.3M | 34.41M | 23.71M | 20.03M | 16.91M | 13.19M | 11.13M | 9.52M | 13.88M | 6.97M | 5.81M | 5.45M | 4.38M | 2.34M | 424.01K |
| Revenue Growth % | 3.93% | 12.18% | -17.8% | 6.34% | 26.26% | 11.64% | 20.61% | 28.74% | 45.13% | 18.38% | 18.44% | 28.22% | 18.45% | 16.96% | -31.41% | 99.22% | 19.84% | 6.64% | 24.46% | 86.82% | 452.91% | - |
| Non-Interest Expense | 50.4M | 54.82M | 72.97M | 45.62M | 39.52M | 32.87M | 30.26M | 25.38M | 19.98M | 15.61M | 13.91M | 12.35M | 10.1M | 9.39M | 9.43M | 0 | 6.04M | 5.33M | 5.62M | 4.12M | 1.94M | 139.01K |
| Efficiency Ratio | 68.9% | 74.24% | 110.85% | 56.96% | 52.48% | 55.1% | 56.63% | 57.28% | 58.06% | 65.83% | 69.47% | 73.01% | 76.56% | 84.38% | 99.1% | 0% | 86.72% | 91.65% | 103.09% | 93.97% | 82.55% | 32.78% |
| Operating Income | 21.82M | 19.09M | -13.9M | 32.82M | 33.39M | 27.96M | 19.56M | 17.3M | 11.3M | 6.22M | 5.47M | 3.06M | 2.5M | 1.52M | 515.36K | 1.66M | 167.08K | 100.41K | -496.29K | 0 | 0 | 0 |
| Operating Margin % | 29.83% | 25.85% | -21.12% | 40.99% | 44.33% | 46.87% | 36.61% | 39.06% | 32.85% | 26.22% | 27.3% | 18.12% | 18.99% | 13.61% | 5.41% | 11.95% | 2.4% | 1.73% | -9.1% | 0% | 0% | 0% |
| Operating Income Growth % | - | 237.31% | -142.36% | -1.69% | 19.43% | 42.92% | 13.04% | 53.09% | 81.81% | 13.68% | 78.5% | 22.31% | 65.34% | 193.97% | -68.93% | 892.7% | 66.39% | 120.23% | - | - | - | - |
| Pretax Income | 21.68M | 19.09M | -13.9M | 32.82M | 33.39M | 27.96M | 19.56M | 17.3M | 11.3M | 6.22M | 5.47M | 3.06M | 2.5M | 1.52M | 85.95K | 1.66M | 167.08K | 100.41K | -496.29K | 0 | 0 | 0 |
| Pretax Margin % | 29.65% | 25.85% | -21.12% | 40.99% | 44.33% | 46.87% | 36.61% | 39.06% | 32.85% | 26.22% | 27.3% | 18.12% | 18.99% | 13.61% | 0.9% | 11.95% | 2.4% | 1.73% | -9.1% | 0% | 0% | 0% |
| Income Tax | 4.35M | 3.48M | -3.92M | 6.24M | 6.71M | 5.79M | 3.84M | 3.35M | 2.09M | 2.33M | 1.59M | 894.02K | 752K | 501.79K | 40.79K | 569.06K | -352K | 0 | 0 | 0 | 0 | 0 |
| Effective Tax Rate % | 20.05% | 18.22% | 28.22% | 19.01% | 20.11% | 20.69% | 19.65% | 19.38% | 18.53% | 37.55% | 29.14% | 29.18% | 30.02% | 33.12% | 47.46% | 34.31% | -210.68% | 0% | 0% | - | - | - |
| Net Income | 17.34M | 15.61M | -9.98M | 26.59M | 26.67M | 22.17M | 15.72M | 13.95M | 9.21M | 3.88M | 3.88M | 2.17M | 1.75M | 1.01M | 45.16K | 1.09M | 519.08K | 100.41K | -496.29K | 46.85K | -804.73K | -1.19M |
| Net Margin % | 23.7% | 21.14% | -15.16% | 33.2% | 35.42% | 37.17% | 29.42% | 31.49% | 26.76% | 16.37% | 19.35% | 12.83% | 13.29% | 9.1% | 0.47% | 7.85% | 7.45% | 1.73% | -9.1% | 1.07% | -34.33% | -280.63% |
| Net Income Growth % | 295.71% | 256.44% | -137.54% | -0.33% | 20.31% | 41.06% | 12.67% | 51.48% | 137.21% | 0.18% | 78.61% | 23.78% | 73.01% | 2143.57% | -95.85% | 109.89% | 416.96% | 120.23% | -1159.31% | 105.82% | 32.37% | - |
| Net Income (Continuing) | 17.34M | 15.61M | -9.98M | 26.59M | 26.67M | 22.17M | 15.72M | 13.95M | 9.21M | 3.88M | 3.88M | 2.17M | 1.75M | 1.01M | 45.16K | 1.09M | 519.08K | 100.41K | -496.29K | 46.85K | -804.73K | -1.19M |
| EPS (Diluted) | 2.37 | 1.76 | -1.60 | 3.25 | 3.26 | 2.65 | 1.85 | 1.69 | 1.38 | 0.81 | 0.87 | 0.49 | 0.61 | 0.36 | 0.02 | 0.40 | 0.19 | 0.04 | -0.19 | 0.02 | -0.47 | -0.90 |
| EPS Growth % | 239.42% | 210% | -149.23% | -0.31% | 23.02% | 43.24% | 9.47% | 22.46% | 70.37% | -6.9% | 77.55% | -19.67% | 69.44% | 2150% | -96% | 110.53% | 398.69% | 120.05% | -1100% | 104.04% | 47.78% | - |
| EPS (Basic) | - | 1.76 | -1.60 | 3.25 | 3.26 | 2.65 | 1.85 | 1.69 | 1.38 | 0.81 | 0.87 | 0.49 | 0.61 | 0.36 | 0.02 | 0.40 | 0.19 | 0.04 | -0.19 | 0.02 | -0.47 | -0.90 |
| Diluted Shares Outstanding | 7.33M | 7.65M | 7.61M | 7.52M | 7.53M | 7.56M | 8.13M | 8.25M | 6.65M | 4.78M | 4.47M | 4.44M | 2.86M | 2.82M | 2.82M | 2.74M | 2.69M | 2.55M | 2.55M | 2.55M | 1.72M | 1.32M |
Quick answers to the most common questions about buying MNSB stock.
For fiscal year 2025, MainStreet Bancshares, Inc. (MNSB) reported total revenue of $73.8M. This represents a 17315.9% increase compared to $0.4M in 2004.
MainStreet Bancshares, Inc. (MNSB) is profitable, generating $15.6M in net income for the fiscal year ending 2025 with a net profit margin of 11.5%.
MainStreet Bancshares, Inc. (MNSB) reported an operating income of $19.1M, resulting in an operating profit margin of 14.0%. This margin reflects the operational efficiency of the business before interest and taxes.
MainStreet Bancshares, Inc. (MNSB) generated $73.9M in gross profit for the year, representing a gross profit margin of 54.4%. This demonstrates the company's core pricing power and production efficiency.
Key Metrics
Top Statement Risk
CRE Concentration and Funding
Metrics are mathematically derived from official filings.
NII Recovery Faces Funding Headwinds
According to quarterly financial data, MNSB's net interest income reached $17.5 million in 2026Q1, reflecting a recovery from the $15.3 million trough observed in 2024Q3, yet the bank continues to struggle with sustaining consistent growth amidst a competitive deposit environment in the D.C. metropolitan area.
The recent uptick in NII suggests that the bank is successfully repricing its commercial loan book, though this is partially offset by the elevated cost of funds required to maintain liquidity. Investors should monitor whether the bank can continue to expand its interest-earning assets without further compressing its net interest spread.
Persistent NIM Compression Limits Upside
As reported in financial statements, the bank's net interest margin has remained largely stagnant at 0.8% over the last ten quarters, indicating that the institution is currently unable to translate asset repricing into meaningful margin expansion due to the high cost of deposit gathering in its core market.
The lack of NIM expansion suggests that MNSB is operating in a highly rate-sensitive environment where deposit betas are likely eroding the benefits of higher loan yields. This trend warrants further investigation into the bank's deposit mix and whether the Avenu platform can eventually lower the overall cost of funding.
Efficiency Ratio Volatility Remains Elevated
Based on reported figures, MNSB's efficiency ratio has fluctuated significantly, peaking at 95.8% in 2024Q4 before normalizing to 40.1% in 2026Q1, which highlights the substantial overhead costs associated with maintaining both a specialized commercial lending team and a growing digital banking infrastructure.
The volatility in the efficiency ratio appears to be driven by lumpy technology investments and periodic credit-related expenses. Sustained operating leverage will likely depend on the bank's ability to scale its Avenu platform without incurring proportional increases in administrative and personnel expenses.
Provisioning Volatility Masks Underlying Risk
As evidenced by the $3.4 million provision expense in 2024Q4 compared to the net recovery of $131,000 in 2026Q1, MNSB's credit costs have been highly erratic, reflecting the inherent risks in its concentrated commercial real estate and government contractor loan portfolios.
The swing from significant provisioning to net recoveries suggests that the bank's credit quality is sensitive to localized economic shifts in the D.C. metro area. Investors should monitor whether these fluctuations represent genuine improvements in asset quality or merely the timing of specific loan loss reserve adjustments.
Fee Income Scaling Remains Nascent
Data from recent filings shows that non-interest fee income remains a small component of total revenue, hovering around 1.3% to 3.0% of the total, which suggests that the Avenu platform has yet to reach the critical mass required to meaningfully diversify the bank's earnings stream.
While the strategic pivot toward fee-based digital services is evident, the current contribution to the bottom line is insufficient to offset the cyclicality of the core lending business. The bank's long-term profitability may hinge on its ability to transition from a traditional lender to a tech-enabled fee generator.