Marathon Bancorp, Inc. is a US-listed company in the regional banks industry. Its financial year ends in June.
What company insiders, investment funds and members of Congress have been doing with the stock, from their own filings.
Revenue for the twelve months to June 2026 was $9m, up 33.0% on a year earlier, slower than the 34.0% growth a quarter earlier. That growth ranks 31 of 231 among the regional banks companies we cover.
Our model value for Marathon Bancorp is under review, so past values are not shown until it is resolved.
Source: 10-K filed September 16, 2026 on SEC EDGAR · Financials · Valuation
Written from the company's filings and our models when each quarter's report arrives. Figures in older notes are as published at the time. Not investment advice.
Marathon Bancorp, Inc.'s trailing-twelve-month revenue grew 33.0% year on year, with a free-cash-flow margin of 22.4%. Where it stands out: revenue growth of 33.0% ranks 28 of 245 regional banks companies we cover. Where it lags: net margin of 19.8% ranks 200 of 245 regional banks companies we cover.
Current signal Free cash flow diverging from earnings: TTM free cash flow grew 59.1% while net income grew 4120.0%: a 4061pp divergence.
Assembled from SEC-filed figures — the full workings are on this page and in our methodology. Observations, not recommendations.
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Company announcements, filed results and changes that matter to shareholders.
No model value for Marathon Bancorp, Inc. at the moment. Current status: valuation models disagree too widely to rate. Available reported financials are shown below.
The inputs used by the models below have passed source checks. Individual model values are available below and in the interactive valuator. Their differences are shown explicitly; the platform combined value and recommendation remain withheld.
We value Marathon Bancorp, Inc. as a bank or lender, with every model that fits that kind of business. Cost of equity 7.4%: the 10-year Treasury yield (4.9%) plus a beta of 0.55 times a 4.5% equity risk premium.
| Model | Value per share | In the combined value? |
|---|---|---|
| Residual income Book value plus the present value of returns above the cost of equity, fading over ten years. | ~$5.8 ~$3.2–$11 | Primary model, counts double |
| Justified price-to-book Book value times (return on equity - growth) / (cost of equity - growth): steady-state returns. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Price-to-book vs return on equity (peers) The price-to-book that peers with this return on equity trade on, from a line fitted across peers. | ~$15 ~$6.1–$23 | Included |
| Price-to-book vs peers Book value per share times peers' typical (harmonic-mean) price-to-book. | ~$13 ~$17–$25 | Included |
| Price-to-earnings vs peers Earnings per share times peers' typical (harmonic-mean) price-to-earnings. | ~$5.7 ~$6.6–$8.8 | Included |
| Dividend discount (two-stage) Dividends for five years at the growth the business can fund, then a steady payout and growth. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Combined value Individual source-checked model scenarios are available. The platform combined value and recommendation remain withheld. | — | Combined value withheld. Review the individual models and their assumptions. |
Different models fail in different ways, so where several apply we average them rather than trust one. Peer-based models compare Marathon Bancorp, Inc. with banks and lenders in our coverage, using third-party market data. Model values are estimates under stated assumptions, updated as new filings arrive; not price targets or investment advice. How each model works.
Not assessed: fewer than five years of comparable figures in the filings. AI disruption exposure for this industry: Medium.
No analyst estimates are published for Marathon Bancorp, Inc.: too few analysts cover it.
Last 12 months +33.3%
| Part | Then | Now | Effect |
|---|---|---|---|
| Revenue (last 12 months) | $7m | $9m | +33.0% |
| Net margin | 0.6% | 19.8% | +3072.8% |
| P/E multiple | n/m | 22.1x | −96.9% |
| Share count | 3m | 3m | +1.3% |
Biggest factor: p/e multiple.
Last 3 years +188.3%
| Part | Then | Now | Effect |
|---|---|---|---|
| Revenue (last 12 months) | $8m | $9m | +12.9% |
| Net margin | 20.9% | 19.8% | −5.1% |
| P/E multiple | 6.4x | 22.1x | +247.7% |
| Share count | 2m | 3m | −22.6% |
Biggest factor: p/e multiple.
| Calendar year | 2022 | 2023 | 2024 | 2025 | 2026 to date |
|---|---|---|---|---|---|
| Return | |||||
| MBBC | +5% | −17% | +50% | +19% | +19% |
| Industry peers (median) | −4% | −2% | +16% | +10% | +24% |
| S&P 500 | −18% | +26% | +25% | +18% | +11% |
| Months that ended higher | |||||
| MBBC | 58% | 42% | 58% | 58% | 46% |
| S&P 500 | 42% | 67% | 75% | 75% | 46% |
| Largest fall from a high during the year | |||||
| MBBC | −6% | −42% | −18% | −17% | −14% |
| S&P 500 | −25% | −10% | −8% | −19% | −9% |
Worst fall since April 20, 2021: 42% from March 2, 2023 to November 1, 2023. Getting back needed a 74% gain, reached on December 16, 2024, 411 days after the low.
Source: SEC EDGAR filings. Retrieved October 29, 2026.
| Period | Revenue (TTM) |
|---|---|
| FY24 Q1 | $7.7M |
| FY24 Q2 | $7.5M |
| FY24 Q3 | $7.1M |
| FY24 Q4 | $6.6M |
| FY25 Q1 | $6.4M |
| FY25 Q2 | $6.3M |
| FY25 Q3 | $6.4M |
| FY25 Q4 | $6.8M |
| FY26 Q1 | $7.3M |
| FY26 Q2 | $8M |
| FY26 Q3 | $8.6M |
| FY26 Q4 | $9M |
Source: SEC EDGAR filings. Retrieved October 29, 2026.
| Period | Revenue growth, TTM YoY |
|---|---|
| FY24 Q1 | 3.6% |
| FY24 Q2 | -1.0% |
| FY24 Q3 | -7.9% |
| FY24 Q4 | -17.9% |
| FY25 Q1 | -17.3% |
| FY25 Q2 | -15.8% |
| FY25 Q3 | -10.0% |
| FY25 Q4 | 3.4% |
| FY26 Q1 | 14.6% |
| FY26 Q2 | 26.5% |
| FY26 Q3 | 34.0% |
| FY26 Q4 | 33.0% |
Source: SEC EDGAR filings. Retrieved October 29, 2026.
| Period | FCF margin (TTM) |
|---|---|
| FY24 Q1 | -10.0% |
| FY24 Q2 | 0.3% |
| FY24 Q3 | -18.6% |
| FY24 Q4 | -28.2% |
| FY25 Q1 | 5.5% |
| FY25 Q2 | 2.9% |
| FY25 Q3 | 31.3% |
| FY25 Q4 | 18.7% |
| FY26 Q1 | 11.0% |
| FY26 Q2 | 26.3% |
| FY26 Q3 | 16.7% |
| FY26 Q4 | 22.4% |
What Marathon Bancorp earned on its loans and securities in FY2026, what it paid depositors and lenders, and how its revenue split between running costs, credit losses, tax and profit.
| Interest income | $11.9M | |
|---|---|---|
| Fee and other income | $828,019 | 9.2% of revenue |
| Interest paid | $3.7M | |
| Net interest income | $8.2M | 90.8% of revenue |
| Revenue | $9M | |
| Non-interest expense | $6.9M | 76.0% of revenue |
| Pre-tax profit | $2.1M | 23.6% of revenue |
| Income tax | $340,958 | 3.8% of revenue |
| Net income | $1.8M | 19.8% of revenue |
| Fiscal year | 2020 Jun 2020 | 2021 Jun 2021 | 2022 Jun 2022 | 2023 Jun 2023 | 2024 Jun 2024 | 2025 Jun 2025 | 2026 Jun 2026 |
|---|---|---|---|---|---|---|---|
| Income | |||||||
| Revenue | 6 | 7 | 7 | 8 | 7 | 7 | 9 |
| Net income | 0 | 1 | 1 | 2 | −0 | 0 | 2 |
| Diluted EPS | — | $0.47 | $0.62 | $0.79 | −$0.07 | $0.02 | $0.66 |
| Growth (year on year) | |||||||
| Revenue | — | +31.1% | +0.5% | +9.2% | −17.9% | +3.4% | +33.0% |
| Net income | — | +228.6% | −2.8% | +25.3% | −111.2% | — | — |
| Diluted EPS | — | — | +32.9% | +27.4% | −108.9% | — | — |
| Margins | |||||||
| Net margin | 7.5% | 18.8% | 18.2% | 20.9% | −2.8% | 0.6% | 19.8% |
| Free-cash-flow margin | 13.9% | 12.9% | 10.8% | 24.0% | −28.2% | 18.7% | 22.4% |
| Cash flow | |||||||
| Cash from operations | 1 | 1 | 1 | 2 | 0 | 1 | 2 |
| Capital spending | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Free cash flow | 1 | 1 | 1 | 2 | −2 | 1 | 2 |
| Stock-based pay | — | — | — | 0 | 0 | 0 | 0 |
| Free cash flow after stock pay | — | — | — | 2 | −2 | 1 | 2 |
| Balance sheet | |||||||
| Cash | 24 | 46 | 8 | 12 | 10 | 14 | 21 |
| Total debt | 6 | 10 | 0 | 0 | 0 | 0 | 0 |
| Net debt (negative = net cash) | −18 | −36 | −8 | −12 | −10 | −14 | −21 |
| Diluted shares | — | 3m | 3m | 3m | 3m | 3m | 3m |
| Returned to shareholders | |||||||
| Buybacks | — | — | — | — | 0 | 0 | 0 |
| Total returned | — | — | — | — | 0 | 0 | 0 |
| Quarter | 2025 Q1 Sept 2024 | 2025 Q2 Dec 2024 | 2025 Q3 Mar 2025 | 2025 Q4 Jun 2025 | 2026 Q1 Sept 2025 | 2026 Q2 Dec 2025 | 2026 Q3 Mar 2026 | 2026 Q4 Jun 2026 |
|---|---|---|---|---|---|---|---|---|
| Income | ||||||||
| Revenue | 1,613 | 1,586 | 1,669 | 1,923 | 2,143 | 2,248 | 2,302 | 2,340 |
| Net income | 175 | 51 | 148 | −332 | 444 | 501 | 488 | 358 |
| Diluted EPS | $0.06 | $0.02 | $0.05 | −$0.11 | $0.17 | $0.19 | $0.18 | $0.13 |
| Growth (year on year) | ||||||||
| Revenue | −9.9% | −4.6% | +7.6% | +23.2% | +32.8% | +41.7% | +37.9% | +21.7% |
| Net income | +102.9% | −81.2% | — | −486.8% | +154.0% | +880.7% | +228.7% | — |
| Diluted EPS | +50.0% | −84.6% | — | −283.3% | +183.3% | +850.0% | +260.0% | — |
| Margins | ||||||||
| Net margin | 10.8% | 3.2% | 8.9% | −17.3% | 20.7% | 22.3% | 21.2% | 15.3% |
| Free-cash-flow margin | 57.1% | 6.6% | 46.3% | −27.6% | 21.3% | 62.3% | 4.8% | 2.3% |
| Cash flow | ||||||||
| Cash from operations | 945 | 114 | 849 | −459 | 464 | 1,413 | 126 | 449 |
| Capital spending | 24 | 9 | 76 | 71 | 7 | 14 | 16 | 395 |
| Free cash flow | 922 | 105 | 773 | −530 | 457 | 1,399 | 110 | 54 |
| Stock-based pay | 40 | 39 | 39 | 39 | 39 | 39 | 41 | 42 |
| Free cash flow after stock pay | 882 | 66 | 734 | −569 | 418 | 1,361 | 69 | 12 |
| Last 12 months unless stated | MBBC | CLST | FDSB | TCBS | BSBK | HFBL | Median |
|---|---|---|---|---|---|---|---|
| Revenue, last 12 months | $9m | $11m | $15m | $17m | $18m | $24m | $255m |
| Revenue growth, last 12 months | 33.0% | −1.8% | −8.3% | 14.3% | 24.8% | 18.3% | 12.5% |
| Revenue growth, 3-year average | 4.1% | 8.5% | — | 16.3% | −6.7% | 1.1% | 6.0% |
| Revenue growth, latest quarter | 21.7% | 5.0% | −42.4% | 17.5% | 11.8% | 15.1% | 10.7% |
| Net margin | 19.8% | 18.0% | 11.1% | 19.1% | 14.4% | 25.2% | 28.7% |
| Cash from operations / revenue | 27.1% | 29.5% | 13.2% | 28.0% | 24.2% | 31.2% | 34.3% |
| Free-cash-flow margin | 22.4% | 28.7% | 8.4% | 13.3% | 22.7% | 26.6% | 31.4% |
| Free-cash-flow margin, 3-year average | 4.3% | 37.3% | −5.3% | −0.8% | 3.2% | 18.2% | 29.9% |
| Stock pay / revenue | 1.8% | 7.5% | — | 2.9% | 5.0% | 0.8% | 1.2% |
| Change in share count | −1.3% | −3.3% | — | −6.8% | −1.7% | −0.5% | 0.4% |
| Measure | Company | Peer median | Rank |
|---|---|---|---|
| Revenue growth Growth | 33.0% | 12.5% | 28 of 245 |
| Change in growth rate Growth | -1.0pp | +0.0pp | 155 of 244 |
| Net margin Profitability | 19.8% | 28.7% | 200 of 245 |
| Stock pay as % of revenue Cash generation | 1.8% | 1.3% | 156 of 206 |
| Change in share count Balance sheet | -1.3% | 0.4% | 65 of 230 |
Rank 1 = best in the group (for spending, debt and dilution, lower ranks first).
| Manager | Value | Shares | Share of 13F value | Shares QoQ |
|---|---|---|---|---|
| Raffles Associates LP | $3.3M | 215K | 29.7% | ▲ 100.0% |
| Maltese Capital Management LLC | $2.2M | 145K | 20.1% | ▲ 0.1% |
| Alliancebernstein L.P. | $2.1M | 153K | 18.7% | 0.0% |
| Vanguard Capital Management LLC | $1.2M | 76K | 10.5% | ▼ 0.7% |
| Minerva Advisors LLC | $851,860 | 56K | 7.7% | ▼ 5.5% |
| Klcm Advisors, Inc. | $524,410 | 34K | 4.7% | 0.0% |
| Stilwell Value LLC | $305,600 | 20K | 2.8% | 0.0% |
| Vanguard Fiduciary Trust Co | $175,934 | 12K | 1.6% | ▼ 29.9% |
| Citadel Advisors LLC | $167,836 | 11K | 1.5% | New |
| Geode Capital Management, LLC | $166,107 | 11K | 1.5% | New |
| Blackrock, Inc. | $127,695 | 8K | 1.2% | New |
| UBS Group AG | $1,360 | 0K | 0.0% | New |
From Form 13F filings with the SEC ( quarterly data sets), as reported by each manager for June 30, 2026 and filed up to 45 days later. 13F reports cover long US-listed positions of managers above $100M only, so this is not Marathon Bancorp, Inc.'s complete shareholder register. Values are as reported by the filers .
| Insider | Date | Trade | Shares | Price | Value |
|---|---|---|---|---|---|
| Zillges Nicholas W President and CEO | June 16, 2026 | Buy | 970 | $15.00 | $14,550 |
| Spatz Nora EVP and CAO | June 10, 2026 | Buy | 602 | $14.75 | $8,880 |
| Zillges Nicholas W President and CEO | June 10, 2026 | Buy | 170 | $14.75 | $2,508 |
| Knopf Michelle EVP and COO | June 10, 2026 | Buy | 164 | $14.75 | $2,419 |
| Cornish Terry SVP and CCO | June 10, 2026 | Buy | 219 | $14.75 | $3,230 |
| Spatz Nora EVP and CAO | June 9, 2026 | Buy | 1,904 | $14.50 | $27,608 |
| Zillges Nicholas W President and CEO | June 9, 2026 | Buy | 537 | $14.50 | $7,786 |
| Knopf Michelle EVP and COO | June 9, 2026 | Buy | 519 | $14.50 | $7,526 |
| Cornish Terry SVP and CCO | June 9, 2026 | Buy | 693 | $14.50 | $10,048 |
| Spatz Nora EVP and CAO | June 8, 2026 | Buy | 197 | $14.24 | $2,805 |
| Zillges Nicholas W President and CEO | June 8, 2026 | Buy | 55 | $14.24 | $783 |
| Knopf Michelle EVP and COO | June 8, 2026 | Buy | 54 | $14.24 | $769 |
From insiders' Form 4 filings with the SEC. Excludes awards, option exercises and shares withheld for tax. "Pre-set plan" means the filing marks the trade as made under a Rule 10b5-1 plan. See every insider trade since five years ago, on a price chart.
| Data | Last updated | Source |
|---|---|---|
| Share price | Exchange closing prices | |
| Financial statements | SEC 10-K and 10-Q filings | |
| News and updates | Company releases and SEC 8-K filings | |
| Analyst estimates | Aggregated analyst estimates | |
| Valuation and scores | Our models, from the filed figures |
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