MBBC Marathon Bancorp, Inc. - Common Stock

NASDAQ · Banking · View on SEC EDGAR ↗
$15.00
Price · Aug 18, 2026
Fundamentals as of May 13, 2026

MBBC Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range

Price
$15.00
Market Cap
$44M
P/E (TTM)
750.0
EPS (TTM)
$0.02
Revenue (TTM)
Div Yield
ROE
0.11%
Debt/Equity
52W Range
$10 – $16

MBBC Stock Price Chart Daily OHLCV with technical indicators — pan, zoom, and customize your view

10-Year Performance Revenue, net income, margins and EPS trends

Revenue & Net Income
EPS $0.02
4-point trend, -96.8%
2022-06-30 2025-06-30
Free Cash Flow $1M
4-point trend, +60.4%
2022-06-30 2025-06-30
Margins 0.62%

Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?

Metric
5Y trend
MBBC
Peer Median
P/E (TTM)
4-point trend, +3793.6%
750.0
11.7
P/S (TTM)
4-point trend, +75.5%
6.5
1.8
P/B
4-point trend, +9.4%
1.0
0.8
Price / FCF
4-point trend, +1.4%
34.7

Profitability Gross, operating and net margins; ROE, ROA, ROIC

Metric
5Y trend
MBBC
Peer Median
Net Profit Margin
4-point trend, -96.6%
0.62%
23.8%
ROA
4-point trend, -96.7%
0.02%
0.47%
ROE
4-point trend, -97.5%
0.11%
3.9%

Financial Health Debt, liquidity, solvency — balance sheet strength

Metric
5Y trend
MBBC
Peer Median

Growth Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR

Metric
5Y trend
MBBC
Peer Median
Revenue YoY
3.4%
Revenue CAGR 3Y
-2.5%
Revenue CAGR 5Y
4.1%

Per Share Metrics EPS, book value per share, cash flow per share, dividend per share

Metric
5Y trend
MBBC
Peer Median
EPS (Diluted)
4-point trend, -96.8%
$0.02

Capital Efficiency Asset turnover, inventory turnover, receivables turnover

Metric
5Y trend
MBBC
Peer Median

Peer comparison (GICS sub-industry) Key metrics vs sector peers

Ticker Market Cap P/E Rev YoY Net Margin ROE Gross Margin
MBBC $29M 498.0 3.4% 0.62% 0.11%
KFFB 145.5 22.0% 2.1% 0.38%
TFC $62.13B 12.9 53.0% 26.1% 8.2%

Full Fundamentals All metrics by year — income statement, balance sheet, cash flow

Income Statement 9
Annual Income Statement data for MBBC
Metric Trend 202520242023202220212020
Interest Expense 4-point trend, +67.9% · · $2M $947.8K $1M $1M
Interest Income 6-point trend, +61.6% $10M $9M $9M $7M $6M $6M
Pretax Income 6-point trend, -97.8% $10.9K $-246.1K $2M $2M $2M $505.5K
Income Tax 6-point trend, -136.0% $-31.6K $-59.1K $444.7K $437.4K $477.7K $87.6K
Net Income 6-point trend, -89.8% $42.4K $-187.0K $2M $1M $1M $417.9K
EPS (Basic) 5-point trend, -96.9% $0.02 $-0.07 $0.79 $0.62 $0.64 ·
EPS (Diluted) 5-point trend, -96.9% $0.02 $-0.07 $0.79 $0.62 $0.64 ·
Shares (Basic) 5-point trend, +29.0% 2,763,875 2,803,642 2,108,612 2,145,095 2,142,474 ·
Shares (Diluted) 5-point trend, +29.0% 2,763,875 2,803,642 2,112,509 2,145,095 2,142,474 ·
Balance Sheet 13
Annual Balance Sheet data for MBBC
Metric Trend 202520242023202220212020
PP&E (Net) 6-point trend, +97.3% $4M $4M $2M $2M $2M $2M
PP&E (Gross) 6-point trend, +67.4% $7M $7M $5M $5M $5M $4M
Accum. Depreciation 6-point trend, +43.8% $4M $3M $3M $3M $3M $2M
Total Assets 6-point trend, +40.0% $239M $219M $239M $221M $214M $171M
Short-term Debt 3-point trend, -100.0% · · $0 · $10M $6M
Total Liabilities 6-point trend, +28.9% $193M $188M $207M $189M $184M $150M
Total Debt · · · · $10M ·
Common Stock 5-point trend, +29.9% $29.0K $21.0K $21.1K $22.3K $22.3K ·
Retained Earnings 6-point trend, +23.4% $26M $26M $26M $24M $22M $21M
AOCI 6-point trend, -828.3% $-485.9K $-752.8K $-784.9K $-369.0K $120.7K $66.7K
Stockholders' Equity 6-point trend, +119.9% $46M $31M $31M $31M $30M $21M
Liabilities + Equity 6-point trend, +40.0% $239M $219M $239M $221M $214M $171M
Shares Outstanding 6-point trend, +31.8% 2,938,698 2,938,362 2,157,497 2,269,700 2,229,497 2,229,497
Cash Flow 13
Annual Cash Flow data for MBBC
Metric Trend 202520242023202220212020
Stock-based Comp 3-point trend, +19.9% $156.7K $159.1K $130.6K · · ·
Deferred Tax 6-point trend, -113.6% $-12.8K $-138.4K $249.6K $362.7K $458.4K $93.6K
Operating Cash Flow 6-point trend, +36.1% $1M $416.6K $2M $825.5K $1M $1M
CapEx 6-point trend, -38.7% $179.0K $2M $65.4K $34.1K $88.5K $292.3K
Investing Cash Flow 6-point trend, -547.6% $-16M $18M $-14M $-44M $-21M $3M
Stock Issued $15M · · · · ·
Stock Repurchased 2-point trend, -47.4% $82.2K $156.2K · · · ·
Net Stock Activity $15M · · · · ·
Financing Cash Flow 6-point trend, +5.4% $18M $-19M $16M $6M $42M $17M
Net Change in Cash 6-point trend, -81.9% $4M $-1M $3M $-38M $22M $22M
Taxes Paid 4-point trend, +2510.0% · $261.0K $159.0K $79.0K $10.0K ·
Free Cash Flow 5-point trend, -7.5% $1M $-2M $2M $791.4K $1M ·
Levered FCF 3-point trend, -78.0% · · $124.0K $77.6K $563.0K ·
Profitability 4
Annual Profitability data for MBBC
Metric Trend 202520242023202220212020
Net Margin 5-point trend, -96.7% 0.62% -2.9% 20.9% 18.2% 18.8% ·
Pretax Margin 5-point trend, -99.4% 0.16% -3.8% 26.5% 24.2% 25.4% ·
ROA 5-point trend, -97.2% 0.02% -0.08% 0.70% 0.60% 0.71% ·
ROE 5-point trend, -97.9% 0.11% -0.60% 5.4% 4.3% 5.3% ·
Liquidity & Solvency 1
Annual Liquidity & Solvency data for MBBC
Metric Trend 202520242023202220212020
Debt / Equity · · · · 0.3 ·
Efficiency 1
Annual Efficiency data for MBBC
Metric Trend 202520242023202220212020
Asset Turnover 5-point trend, -21.9% 0.0 0.0 0.0 0.0 0.0 ·
Per Share 4
Annual Per Share data for MBBC
Metric Trend 202520242023202220212020
Book Value / Share 5-point trend, +16.2% $15.55 $14.62 $14.50 $13.54 $13.39 ·
Revenue / Share 4-point trend, -28.1% $2.46 $3.21 $3.79 $3.42 · ·
Cash Flow / Share 4-point trend, +36.2% $0.52 $0.20 $0.94 $0.38 · ·
EPS (TTM) 5-point trend, -96.9% $0.02 $-0.07 $0.79 $0.62 $0.64 ·
Growth Rates 8
Annual Growth Rates data for MBBC
Metric Trend 202520242023202220212020
Revenue YoY 5-point trend, -89.0% 3.4% -17.9% 9.2% 0.54% 31.1% ·
Revenue CAGR 3Y 3-point trend, -119.4% -2.5% -3.4% 12.9% · · ·
Revenue CAGR 5Y 4.1% · · · · ·
EPS YoY 2-point trend, +976.0% · · 27.4% -3.1% · ·
EPS CAGR 3Y -68.2% · · · · ·
Net Income YoY 3-point trend, -88.9% · · 25.3% -2.8% 228.6% ·
Net Income CAGR 3Y 2-point trend, -216.3% -68.3% · 58.8% · · ·
Net Income CAGR 5Y -36.7% · · · · ·
Valuation (TTM) 10
Annual Valuation (TTM) data for MBBC
Metric Trend 202520242023202220212020
Revenue TTM 5-point trend, -6.8% $7M $7M $8M $7M $7M ·
Net Income TTM 5-point trend, -96.9% $42.4K $-187.0K $2M $1M $1M ·
Market Cap 5-point trend, +71.2% $29M $14M $15M $18M $17M ·
P/E 5-point trend, +4056.7% 498.0 -93.6 8.7 12.8 12.0 ·
P/S 5-point trend, +83.8% 4.3 2.1 1.8 2.5 2.3 ·
P/B 5-point trend, +11.8% 0.6 0.4 0.5 0.6 0.6 ·
P / Tangible Book 5-point trend, +13.6% 0.6 0.4 0.5 0.6 0.6 ·
P / Cash Flow 5-point trend, +72.7% 20.2 33.7 7.4 21.8 11.7 ·
P / FCF 5-point trend, +85.1% 23.1 -7.6 7.7 22.7 12.5 ·
Earnings Yield 5-point trend, -97.6% 0.20% -1.1% 11.5% 7.8% 8.3% ·

Financial Statements Income statement, balance sheet, cash flow — annual, last 5 years

Income Statement
2025-06-302024-06-302023-06-302023-03-312022-12-31
Net Income $42.4K$-187.0K$2M
Diluted EPS $0.02$-0.07$0.79
Cash Flow
2025-06-302024-06-302023-06-302023-03-312022-12-31
Free Cash Flow $1M$-2M$2M

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Institutional owners (13F) 13 filers · $7.6M total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institutional activity — Q2 2026 vs prior quarter
New positions Exited positions Increased Decreased Net shares change
6 (+4 vs prior Q) 1 (0 vs prior Q) 2 (+2 vs prior Q) 0 (-1 vs prior Q) +17K

Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.

Institution Value Shares % of tracked 13F Type
ALLIANCEBERNSTEIN L.P. $2,073,310 153,238 27.10% Shares
RAFFLES ASSOCIATES LP $1,645,106 107,664 21.51% Shares
VANGUARD CAPITAL MANAGEMENT LLC $1,161,693 76,027 15.19% Shares
Minerva Advisors LLC $851,860 55,750 11.14% Shares
KLCM Advisors, Inc. $524,410 34,320 6.86% Shares
MALTESE CAPITAL MANAGEMENT LLC $380,808 24,922 4.98% Shares
STILWELL VALUE LLC $305,600 20,000 4.00% Shares
VANGUARD GROUP INC $200,495 16,434 2.62% Shares
VANGUARD FIDUCIARY TRUST CO $175,934 11,514 2.30% Shares
CITADEL ADVISORS LLC $167,836 10,984 2.19% Shares
GEODE CAPITAL MANAGEMENT, LLC $153,777 10,064 2.01% Shares
BlackRock, Inc. $7,029 460 0.09% Shares
UBS Group AG $1,360 89 0.02% Shares

Company insiders 9 insiders · 5 officers · 5 directors

Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Nicholas W Zillges President and CEO June 28, 2026 F 55,936 3 0 $29,564
Joy Selting-Buchberger SVP and CFO June 28, 2026 F 4,760 0 0 $0
Michelle Knopf EVP and COO June 28, 2026 F 8,557 1 0 $2,708
Nora Spatz EVP and CAO June 28, 2026 F 27,096 1 0 $9,926
Terry Cornish SVP and CCO June 28, 2026 F 6,256 1 0 $3,616
Ann M Werth Director June 15, 2026 A 8,501 0 0 $0
Timothy R Wimmer Director June 15, 2026 A 6,384 0 0 $0
Thomas L Grimm Director June 15, 2026 A 6,384 0 0 $0
Amy Zientara Director June 15, 2026 A 27,110 0 0 $0

Insiders from SEC Form 3/4/5 filings; net = open-market P/S only

Activists & 5%+ owners 1 position

Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.

Filer Filed Stake Status Purpose Filing
Marathon MHC April 15, 2021 Initial filing SEC

Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.

ETF ownership Held by 3 ETFs

Weight reflects direct equity holdings (N-PORT) only; leveraged or derivative-based funds may hold additional swap exposure not shown.

Fund Weight Units As of Source
VXF · VANGUARD INDEX FUNDS July 15, 2026 Daily
VTI · VANGUARD INDEX FUNDS July 15, 2026 Daily
IWC · iShares Trust Aug. 18, 2026 Daily