Latest revenue
$3.0M
as of 2026-03-31
Latest net income
$487.9K
as of 2026-03-31
Net margin
16.2%
as of 2026-03-31
Price · 5Y
Live market
delayed ≤15 min- Market cap
- $39.5M
- Enterprise value
- $39.5M
- P/E (trailing)
- 929.5×
- Forward P/E
- —
- P/B
- —
- Dividend yield
- 0.0%
- 52-wk high
- $15.75
- 52-wk low
- $9.90
- Beta
- —
- Shares out
- 3.0M
5-year trend
What this company does
ITEM 1: BUSINESS BUSINESS OF MARATHON BANCORP, INC. Marathon Bancorp, Inc. (the “Company” or “Marathon Bancorp”), a Maryland corporation, was formed in December 2020 to serve as the mid-tier holding company for Marathon Bank (the “Bank”) upon the completion of the Bank’s mutual holding company reorganization and offering. On April 14, 2021, the Bank completed its reorganization into the mutual holding company structure and the related stock offering of the Company, the Bank’s new holding company. As a result of the reorganization, the Bank became a wholly-owned subsidiary of the Company, the Company issued and sold 45.0% of its outstanding shares of common stock in its stock offering to the…
AI summary unavailable — showing raw filing excerpt
Generated from MBBC's filing dated 2025-09-26
Key risks
Item 1A. Risk Factors A smaller reporting company is not required to provide the information related to this item.
AI summary unavailable — showing raw filing excerpt
Generated from MBBC's filing dated 2025-09-26
Profitability
Net margin
0.4%
122.4%Return on equity
0.1%
115.5%Return on assets
0.3%
116.5%Leverage
Debt / equity
-0.69×
3.0%Debt / assets
-217.7%
9.5%Earnings tracker
| Quarter | Revenue | YoY | Net income | YoY | Net margin |
|---|---|---|---|---|---|
Q1 2026 2026-03-31 | $3.0M | +28.7% | $487.9K | +228.7% | 16.2% |
Q4 2025 2025-12-31 | $2.9M | +33.4% | $501.4K | +880.7% | 17.3% |
Q3 2025 2025-09-30 | $2.7M | +25.6% | $444.3K | +154.0% | 16.5% |
Q2 2025 2025-06-30 | $3.6M | +9.7% | $-332.0K | -21.8% | -9.1% |
Q1 2025 2025-03-31 | $2.3M | +2.6% | $148.4K | +154.4% | 6.3% |
Q4 2024 2024-12-31 | $2.2M | -6.0% | $51.1K | -81.2% | 2.4% |
Q3 2024 2024-09-30 | $2.1M | -4.4% | $174.9K | +102.9% | 8.2% |
Q2 2024 2024-06-30 | $3.3M | — | $-272.5K | — | -8.2% |
Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.
Industry trend
Savings Institutions, Not Federally Chartered · SIC 6036
Your notes
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Insider activity
Insider buying
$31.8K
Insider selling
$0
Net activity
+$31.8K
Distinct insiders
1
Open-market trades over the last 365 days.
Recent transactions
Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.
Who owns MBBC
Institutional value
$2.8M
Total shares held
206.3K
Distinct holders
5
-4 vs prior
As of
2026-03-31
Prior: 2025-12-31
Filers with $100M+ AUM disclose holdings 45 days after quarter end.
Top institutional holders
| # | Manager | Shares | Value | QoQ change | Action |
|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 76.6K | $1.0M | — | New |
| 2 | Minerva Advisors LLC | 59.0K | $797.9K | +0 (+0.0%) | No change |
| 3 | KLCM Advisors, Inc. | 34.3K | $464.4K | +0 (+0.0%) | No change |
| 4 | Stilwell Value LLC | 20.0K | $270.6K | +0 (+0.0%) | No change |
| 5 | VANGUARD FIDUCIARY TRUST CO | 16.4K | $222.4K | — | New |
Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.
Top questions investors are asking
Coming once MBBC's latest filing finishes processing.