Marathon Bancorp, Inc. (MBBC)
Wausau, WI, US
Marathon Bancorp, Inc. functions as the holding entity for Marathon Bank, a regulated savings institution. Marathon Bank extends a variety of financial products, encompassing checking accounts, savings accounts, and certificates of deposit. Its lending portfolio includes financing for commercial real estate, industrial and business ventures, construction projects, residential properties (ranging from single-family to four-unit dwellings), multi-unit properties, and personal consumer loans. These services are primarily delivered within Wisconsin's Marathon County area. Established in 2020, the corporation is headquartered in Wausau, Wisconsin, and operates under the umbrella of Marathon MHC.
No mergers or acquisitions recorded for this company.
| Indicator | 1D | 1W | 2W | 3W | 1M |
|---|
Day Score & sub-scores
Statistical fingerprint & regime detail
Conditional historical analysis
Customize analysis (advanced)
| 1D | 5D | 1M | 3M | 6M | YTD | 1Y | 3Y | 5Y | 10Y | Max |
|---|---|---|---|---|---|---|---|---|---|---|
| +2.44% | -2.32% | +10.92% | +12.57% | +38.17% | +24.42% | +51.00% | +132.41% | +101.46% | +104.46% | +104.46% |
Revenue flow
Revenue by geography
Revenue by segment
Revenue composition
By product
By geography
Income Statement
Balance Sheet
Cash Flow Statement
Key Metrics
Financial Ratios
Employees
Financial Growth (CAGR)
Market Data
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Revenue growth+1.4% Q1'26: +116,764.4% (vs Q1'25)
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EPS growth+112.8% Q1'26: +87.3% (vs Q1'25)
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FCF margin— Q1'26: +3.7% (vs Q1'25)
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EBIT margin— Q1'26: +0.0% (vs Q1'25)
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ROIC— Q1'26: +0.0% (vs Q1'25)
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Share dilution+85.8% Q1'26: +83.0% (vs Q1'25)
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Debt / EBITDA—
* These projections are based on analyst consensus estimates and user-defined valuation multiples. This table is for informational purposes only and does not constitute a recommendation to buy or sell any security. Past performance is not indicative of future results.
| Date | Rating | Overall | DCF | ROE | ROA | D/E | P/E | P/B |
|---|---|---|---|---|---|---|---|---|
| 2026-05-12 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-11 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-08 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-07 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-06 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-05 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-04 | C+ | 2/5 | 1/5 | 2/5 | 2/5 | 2/5 | 1/5 | 4/5 |
| 2026-05-01 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-30 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-29 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-28 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-27 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-24 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-23 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-22 | C+ | 2/5 | 1/5 | 2/5 | 3/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-21 | B- | 2/5 | 1/5 | 2/5 | 4/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-20 | B- | 2/5 | 1/5 | 2/5 | 4/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-17 | B- | 2/5 | 1/5 | 2/5 | 4/5 | 2/5 | 1/5 | 4/5 |
| 2026-04-16 | B- | 2/5 | 1/5 | 2/5 | 4/5 | 2/5 | 1/5 | 4/5 |
Owner Earnings
Ownership Overview
Ownership breakdown not available.
No beneficial ownership filings recorded.
Institutional Activity (13F)
Institutional history not available.
Top holders not available.
ETF Ownership
| # | ETF | Weight | Est. AUM exposure | TER |
|---|---|---|---|---|
| 1 | iShares Micro-Cap ETF IWC | 0.01% | 120.5K | 0.60% |
| 2 | Vanguard Extended Market ETF VXF | 0.00% | 340.4K | 0.05% |
| 3 | Vanguard U.S. Total Market Shares Index ETF VTS.AX | 0.00% | 1.6K | 0.03% |
| 4 | Vanguard U.S. Total Market Index ETF VUN.TO | 0.00% | 4.3K | 0.17% |
| 5 | Vanguard U.S. Total Market Index ETF (CAD-hedged) VUS.TO | 0.00% | 320.03 | 0.17% |
| 6 | Vanguard Total Stock Market ETF VTI | 0.00% | 740.4K | 0.03% |
| 7 | Vanguard All-Equity ETF Portfolio VEQT.TO | 0.00% | 1.6K | 0.22% |
| 8 | Vanguard Growth ETF Portfolio VGRO.TO | 0.00% | 883.01 | 0.22% |
| 9 | Vanguard Balanced ETF Portfolio VBAL.TO | 0.00% | 356.74 | 0.22% |
| 10 | Vanguard Conservative ETF Portfolio VCNS.TO | 0.00% | 39.35 | 0.22% |
Insider Activity
| Date | Person | Role | Transaction | A/D | Security | Shares | Price | Value | Owned after | D/I | Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-05 | Werth Ann M | Director | M-Exempt | A | Common Stock | 599 | 6.48 | 3.9K | 5,115 | D | ↗ |
| 2026-03-20 | Grimm Thomas L | Director | M-Exempt | A | Common Stock | 599 | 6.48 | 3.9K | 21,994 | I | ↗ |
| 2026-03-18 | Spatz Nora | Officer | M-Exempt | A | Common Stock | 2,399 | 8.13 | 19.5K | 18,058 | D | ↗ |
| 2026-02-23 | Zillges Nicholas W | Director / Officer | M-Exempt | A | Common Stock | 2,998 | 6.48 | 19.4K | 37,801 | D | ↗ |
| 2025-12-02 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 24 | 11.30 | 271.20 | 50,084 | I | ↗ |
| 2025-12-02 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 45 | 11.30 | 508.50 | 35,701 | I | ↗ |
| 2025-12-02 | Knopf Michelle | Officer | I-Discretionary | A | Common Stock | 20 | 11.30 | 226.00 | 18,298 | I | ↗ |
| 2025-12-01 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 1,646 | 11.27 | 18.5K | 49,426 | I | ↗ |
| 2025-12-01 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 3,166 | 11.27 | 35.7K | 34,436 | I | ↗ |
| 2025-12-01 | Knopf Michelle | Officer | I-Discretionary | A | Common Stock | 1,393 | 11.27 | 15.7K | 17,742 | I | ↗ |
| 2025-11-26 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 1,075 | 11.37 | 12.2K | 34,803 | D | ↗ |
| 2025-11-13 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 1,325 | 11.00 | 14.6K | 33,728 | D | ↗ |
| 2025-06-28 | Zillges Nicholas W | Director / Officer | F-InKind | D | Common Stock | 1,196 | 9.99 | 11.9K | 32,376 | D | ↗ |
| 2025-06-28 | Spatz Nora | Officer | F-InKind | D | Common Stock | 451 | 9.99 | 4.5K | 15,659 | D | ↗ |
| 2025-06-28 | Selting-Buchberger Joy | Officer | F-InKind | D | Common Stock | 517 | 9.99 | 5.2K | 5,338 | D | ↗ |
| 2025-06-28 | Knopf Michelle | Officer | F-InKind | D | Common Stock | 197 | 9.99 | 2.0K | 3,418 | D | ↗ |
| 2025-06-28 | Cornish Terry | Officer | F-InKind | D | Common Stock | 225 | 9.99 | 2.2K | 3,044 | D | ↗ |
| 2025-06-13 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 500 | 9.99 | 5.0K | 33,572 | D | ↗ |
| 2025-05-29 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 695 | 10.01 | 7.0K | 47,780 | I | ↗ |
| 2025-05-29 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 992 | 10.01 | 9.9K | 31,270 | I | ↗ |
| 2025-05-16 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 500 | 10.07 | 5.0K | 33,072 | D | ↗ |
| 2025-05-16 | Spatz Nora | Officer | F-InKind | D | Common Stock | 29 | 10.03 | 290.87 | 16,110 | D | ↗ |
| 2025-05-16 | Selting-Buchberger Joy | Officer | F-InKind | D | Common Stock | 44 | 10.03 | 441.32 | 5,855 | D | ↗ |
| 2025-05-16 | Knopf Michelle | Officer | F-InKind | D | Common Stock | 70 | 10.03 | 702.10 | 3,615 | D | ↗ |
| 2025-05-16 | Cornish Terry | Officer | F-InKind | D | Common Stock | 38 | 10.03 | 381.14 | 3,269 | D | ↗ |
| 2025-04-21 | Zillges Nicholas W | Director / Officer | A-Award | A | Common Stock | 6,500 | 10.00 | 65.0K | 32,572 | D | ↗ |
| 2025-04-21 | Zientara Amy | Director | A-Award | A | Common Stock | 2,500 | 10.00 | 25.0K | 19,226 | D | ↗ |
| 2025-04-21 | Wimmer Timothy R | Director | A-Award | A | Common Stock | 2,500 | 10.00 | 25.0K | 9,364 | I | ↗ |
| 2025-04-21 | Werth Ann M | Director | A-Award | A | Common Stock | 550 | 10.00 | 5.5K | 3,617 | D | ↗ |
| 2025-04-21 | Spatz Nora | Officer | A-Award | A | Common Stock | 600 | 10.00 | 6.0K | 1,149 | I | ↗ |
| 2025-04-21 | Selting-Buchberger Joy | Officer | A-Award | A | Common Stock | 5,000 | 10.00 | 50.0K | 21,788 | I | ↗ |
| 2025-04-21 | Knopf Michelle | Officer | A-Award | A | Common Stock | 3,300 | 10.00 | 33.0K | 16,349 | I | ↗ |
| 2025-04-21 | Grimm Thomas L | Director | A-Award | A | Common Stock | 7,500 | 10.00 | 75.0K | 17,796 | I | ↗ |
| 2025-04-21 | Cornish Terry | Officer | A-Award | A | Common Stock | 2,500 | 10.00 | 25.0K | 25,816 | I | ↗ |
| 2024-06-28 | Zillges Nicholas W | Director / Officer | F-InKind | D | Common Stock | 823 | 8.99 | 7.4K | 18,993 | — | ↗ |
| 2024-06-28 | Spatz Nora | Officer | F-InKind | D | Common Stock | 288 | 8.99 | 2.6K | 11,757 | — | ↗ |
| 2024-06-28 | Selting-Buchberger Joy | Officer | F-InKind | D | Common Stock | 268 | 8.99 | 2.4K | 4,298 | — | ↗ |
| 2024-06-28 | Knopf Michelle | Officer | F-InKind | D | Common Stock | 127 | 8.99 | 1.1K | 2,685 | — | ↗ |
| 2024-06-28 | Cornish Terry | Officer | F-InKind | D | Common Stock | 125 | 8.99 | 1.1K | 2,410 | — | ↗ |
| 2024-05-23 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 1,569 | 8.43 | 13.2K | 31,749 | — | ↗ |
| 2024-05-16 | Spatz Nora | Officer | F-InKind | D | Common Stock | 19 | 8.85 | 168.15 | 12,045 | — | ↗ |
| 2024-05-16 | Selting-Buchberger Joy | Officer | F-InKind | D | Common Stock | 18 | 8.85 | 159.30 | 4,566 | — | ↗ |
| 2024-05-16 | Knopf Michelle | Officer | F-InKind | D | Common Stock | 47 | 8.85 | 415.95 | 2,812 | — | ↗ |
| 2024-05-16 | Cornish Terry | Officer | F-InKind | D | Common Stock | 19 | 8.85 | 168.15 | 2,535 | — | ↗ |
| 2024-03-06 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 100 | 9.51 | 951.00 | 19,816 | — | ↗ |
| 2023-12-01 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 1,184 | 9.68 | 11.5K | 29,980 | — | ↗ |
| 2023-12-01 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 538 | 9.68 | 5.2K | 18,413 | — | ↗ |
| 2023-12-01 | Knopf Michelle | Officer | I-Discretionary | A | Common Stock | 1,534 | 9.68 | 14.8K | 9,509 | — | ↗ |
| 2023-12-01 | Cornish Terry | Officer | I-Discretionary | A | Common Stock | 269 | 9.68 | 2.6K | 16,985 | — | ↗ |
| 2023-11-30 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 1,249 | 8.33 | 10.4K | 28,796 | — | ↗ |
| 2023-11-30 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 568 | 8.33 | 4.7K | 17,875 | — | ↗ |
| 2023-11-30 | Knopf Michelle | Officer | I-Discretionary | A | Common Stock | 1,619 | 8.33 | 13.5K | 7,975 | — | ↗ |
| 2023-11-30 | Cornish Terry | Officer | I-Discretionary | A | Common Stock | 284 | 8.33 | 2.4K | 16,716 | — | ↗ |
| 2023-11-16 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 1,100 | 7.39 | 8.1K | 19,716 | — | ↗ |
| 2023-06-28 | Zillges Nicholas W | Director / Officer | F-InKind | D | Common Stock | 833 | 10.25 | 8.5K | 18,616 | — | ↗ |
| 2023-06-28 | Spatz Nora | Officer | F-InKind | D | Common Stock | 306 | 10.25 | 3.1K | 12,064 | — | ↗ |
| 2023-06-28 | Selting-Buchberger Joy | Officer | F-InKind | D | Common Stock | 286 | 10.25 | 2.9K | 4,584 | — | ↗ |
| 2023-06-28 | Knopf Michelle | Officer | F-InKind | D | Common Stock | 126 | 10.25 | 1.3K | 2,859 | — | ↗ |
| 2023-06-28 | Cornish Terry | Officer | F-InKind | D | Common Stock | 131 | 10.25 | 1.3K | 2,554 | — | ↗ |
| 2023-06-07 | Zillges Nicholas W | Director / Officer | I-Discretionary | A | Common Stock | 1,361 | 10.30 | 14.0K | 27,547 | — | ↗ |
| 2023-06-07 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 4 | 10.30 | 41.20 | 17,307 | — | ↗ |
| 2023-06-07 | Knopf Michelle | Officer | I-Discretionary | A | Common Stock | 6 | 10.30 | 61.80 | 6,356 | — | ↗ |
| 2023-06-07 | Cornish Terry | Officer | I-Discretionary | A | Common Stock | 1,943 | 10.30 | 20.0K | 16,432 | — | ↗ |
| 2023-05-18 | Zillges Nicholas W | Director / Officer | P-Purchase | A | Common Stock | 1,000 | 9.50 | 9.5K | 19,449 | — | ↗ |
| 2023-05-18 | Spatz Nora | Officer | P-Purchase | A | Common Stock | 800 | 9.50 | 7.6K | 800 | — | ↗ |
| 2023-05-16 | Zillges Nicholas W | Director / Officer | A-Award | A | Stock Options | 0 | 8.90 | — | 5,462 | — | ↗ |
| 2023-05-16 | Zientara Amy | Director | A-Award | A | Stock Options | 0 | 8.90 | — | 1,092 | — | ↗ |
| 2023-05-16 | Wimmer Timothy R | Director | A-Award | A | Stock Options | 0 | 8.90 | — | 1,092 | — | ↗ |
| 2023-05-16 | Werth Ann M | Director | A-Award | A | Stock Options | 0 | 8.90 | — | 1,092 | — | ↗ |
| 2023-05-16 | Spatz Nora | Officer | A-Award | A | Stock Options | 0 | 8.90 | — | 3,500 | — | ↗ |
| 2023-05-16 | Selting-Buchberger Joy | Officer | A-Award | A | Common Stock | 500 | 0.00 | — | 4,870 | — | ↗ |
| 2023-05-16 | Knopf Michelle | Officer | A-Award | A | Stock Options | 0 | 8.90 | — | 3,500 | D | ↗ |
| 2023-05-16 | Grimm Thomas L | Director | A-Award | A | Stock Options | 0 | 8.90 | — | 1,092 | — | ↗ |
| 2023-05-16 | Cornish Terry | Officer | A-Award | A | Stock Options | 0 | 8.90 | — | 3,500 | — | ↗ |
| 2022-12-02 | Zillges Nicholas W | Officer | I-Discretionary | A | Common Stock | 1,738 | 11.46 | 19.9K | 26,186 | — | ↗ |
| 2022-12-02 | Spatz Nora | Officer | I-Discretionary | A | Common Stock | 4,345 | 11.46 | 49.8K | 17,303 | — | ↗ |
| 2022-12-02 | Knopf Michelle | Director / Officer | I-Discretionary | A | Common Stock | 3,650 | 11.46 | 41.8K | 6,350 | — | ↗ |
| 2022-12-02 | Cornish Terry | Officer | I-Discretionary | A | Common Stock | 1,738 | 11.46 | 19.9K | 14,489 | — | ↗ |
| 2003-07-01 | PORTER DAVID | Officer | J-Other | D | Stock Option | 20,000 | 11.21 | 224.2K | 0 | — | ↗ |
| 2003-07-01 | AUSTIN JOSIAH T | Director / 10% Owner | J-Other | D | Stock Option | 1,500 | 15.88 | 23.8K | 0 | — | ↗ |
Executive team
Executive compensation
| # | Year | Executive | Salary | Bonus | Stock award | Option award | Incentive | Other | Total | % Stock- based |
Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2022 | Nicholas W. Zillges, President and Chief Executive Officer | 280.0K | 140.0K | 121.9K | 72.8K | — | 41.1K | 655.8K | 29.69% | ↗ |
| 2 | 2022 | Nora Spatz, Executive Vice President and Chief Administrative Officer | 125.0K | 25.0K | 48.8K | 14.6K | — | 12.0K | 225.3K | 28.11% | ↗ |
| 3 | 2022 | Michelle Knopf, Executive Vice President and Director of Mortgage Services | 125.0K | 12.0K | 24.4K | 10.9K | — | 11.2K | 183.5K | 19.24% | ↗ |
| 4 | 2021 | Nicholas W. Zillges, President and Chief Executive Officer | 280.0K | 140.0K | — | — | — | 34.6K | 454.6K | 0.00% | ↗ |
| 5 | 2021 | Nora Spatz, Executive Vice President and Chief Administrative Officer | 119.6K | 25.0K | — | — | — | 15.4K | 160.0K | 0.00% | ↗ |
| 6 | 2021 | Michelle Knopf, Executive Vice President and Director of Mortgage Services | 105.0K | 30.0K | — | — | — | 8.0K | 143.0K | 0.00% | ↗ |
Proxy statements
Recent SEC filings
Executive team
| Name | Title | Compensation | Gender |
|---|---|---|---|
| Nicholas W. Zillges | President, Chief Executive Officer & Director | 573.3K | male |
| Michelle Knopf | EVP & Chief Operating Officer | 188.9K | female |
| Joy C. Selting-Buchberger | Chief Financial Officer & Senior Vice President | 179.1K | female |
| Nora Spatz | Executive Vice President & Chief Administrative Officer | 162.0K | female |
| Julie D'Acquisto | Corporate Secretary | — | — |
| Terry Cornish | Senior Vice President & Chief Credit Officer | — | male |
No Senate trading activity found for this company.
No House trading activity found for this company.
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Community Opinion for MBBC
Short-term intention
Target Price Distribution
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