Dianalitics
Greene County Bancorp, Inc.
GCBC · v5 · 2026-05-21
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70OpportunityDD: May 21, 2026Analyst: 81
paidPrice at analysis date
USD 24.0 (21/05/2026)
domainMkt cap
$405M
pie_chartShares
17.0M
candlestick_chart52W
$21.16-$26.04
trending_downShort interest
1%
INFONASDAQFinancials290 employees
Verdict: LOW RISK — Quality compounder, fairly priced

GCBC is a structurally high-quality community bank: 15.6% ROE, 1.31% ROA, 25+ consecutive years of profitability and pristine credit. It delivered a record Q3 FY2026 ($0.62 EPS, +32% YoY) on visible net interest margin expansion. The catch is price: at ~$24 the stock trades close to our $25 base-case intrinsic value, leaving a thin margin of safety. This is a buy-on-weakness compounder, not a deep-value opportunity. The [QUALITY] tag is a selection criterion only; the assessment below is derived independently from the data.

📊 DIANALITICS RESEARCH INDEXCompany & Thesis Assessment Score /100 — updated 2026-05-21
81
Greene County Bancorp, Inc. (GCBC)
Regional community bank · NASDAQ · Catskill, NY
"High-quality, well-capitalized franchise — solid business, but the price already reflects most of the quality."
ROE 15.6% Thin margin of safety Record FY2025/26 earnings MHC-controlled Pristine credit
Fin. strength
18
/20 pts
EBITDA/FCF
14
/15 pts
Debt/leverage
12
/15 pts
Stage/business
14
/15 pts
Catalysts
6
/10 pts
Reg. risk
6
/8 pts
Risk/reward
3
/7 pts
Management
5
/5 pts
Sector/macro
2
/3 pts
Compliance
1
/2 pts
💡 Fair Value Estimate — Residual Income (tangible book + capitalized excess returns), peer P/E & P/B cross-check
Fair value base case
USD 25.0
Range: USD 21.0-USD 30.0
Price at analysis date: USD 24.0 (21/05/2026)
Base upside/downside: +4%

Methodology: Residual-income build anchored on tangible book value (~$14.70/sh) plus capitalized excess returns, using ROE 15.6%, cost of equity ~11% and sustainable growth ~5% (implied justified P/B ~1.75x). Cross-checked against FY2026E EPS ~$2.28 at a peer-derived ~11x (= ~$25) and the peer P/B grid. Scenario weights are governed by the QUALITY profile: a heavily weighted base case (50%) and balanced tails, reflecting low earnings volatility. Probability-weighted fair value ≈ $25.1, consistent with the base case. ⚠️ Not investment advice.

ComponentAssumptionUSD/share
Tangible book value (equity floor)~$250M equity / ~17.0M shares+14.70
Capitalized excess returns (franchise value)TBV × (ROE 15.6% − COE 11%) / (COE 11% − g 5%) = 14.70 × 0.767+11.30
Saratoga County expansion optionNew-market entry, prob-weighted incremental franchise value+0.80
Buyback accretion400k-share program (~2.3% of count) executed near book+0.40
Risk discount (NIM normalization + MHC governance)Fed cuts compress NIM; minority-shareholder discount−2.20
FV base case14.70 + 11.30 + 0.80 + 0.40 − 2.20≈ $25.00
Bull
$29–32
Probability: 25%
NIM expansion continues, Saratoga County ramps faster than expected, credit stays pristine; market re-rates a 16%+ ROE bank to ~13x earnings.
Base
$24–26
Probability: 50%
Fairly valued. EPS compounds ~10–12%/yr, multiple stable; total return ≈ earnings growth plus the ~1.7% dividend.
Bear
$19–21
Probability: 25%
Aggressive Fed cuts and deposit competition compress NIM, credit normalizes off cycle lows; multiple de-rates to ~9x earnings.
Methodology: Methodology: Residual-income build anchored on tangible book value (~$14.70/sh) plus capitalized excess returns, using ROE 15.6%, cost of equity ~11% and sustainable growth ~5% (implied justified P/B ~1.75x). Cross-checked against FY2026E EPS ~$2.28 at a peer-derived ~11x (= ~$25) and the peer P/B grid. Scenario weights are governed by the QUALITY profile: a heavily weighted base case (50%) and balanced tails, reflecting low earnings volatility. Probability-weighted fair value ≈ $25.1, consistent with the base case. ⚠️ Not investment advice. Not investment advice.
⚠️ Methodology note: GCBC is a deposit-funded commercial bank. Enterprise-value multiples (EV/EBITDA, net-debt adjustments) do not apply: a bank's debt is its funding base. Fair value is built bottom-up from tangible book value plus capitalized excess returns (residual-income / Gordon-growth logic), cross-checked against a peer P/E and P/B grid. Quarterly figures use a fiscal year ending June 30. Some FY2023 and intra-year quarterly figures are estimated and labelled as such.
📊 Capital Structure · Short Interest · Buyback & Dilution
🟢 Short Interest
~1%
Negligible. The mutual holding company controls the majority of shares, leaving a thin public float and no viable short thesis on a profitable, well-capitalized bank.
🟢 Share dilution (1Y)
~0%
Share count essentially flat at ~17.0M. No equity raises; the only programmed change is the buyback below, which is mildly accretive.
🟢 Buyback
400k sh.
Repurchase program for up to 400,000 shares (~2.3% of count) authorized alongside Q3 FY2026 results. Signals confidence and excess capital.
Short Interest — context
GCBC — ~1%
~1%

Short interest is immaterial (<5% = low). There is no squeeze dynamic and no bear narrative to monitor. The flip side of the thin float and MHC control is low daily liquidity — a structural feature of the stock rather than a near-term risk signal.

$Financial analysis — FY2026E
Net income FY2026E
~$39M
▲ ~25% vs FY2025 ($31.1M)
ROE (9M FY2026)
15.6%
Well above peer group ~10%
P/E (trailing)
10.7x
In line with peers — undemanding
Total assets
$3.2B
Record high (Mar 31, 2026)
ItemFY2023FY2024FY2025Guidance FY2026E
Total revenue ($M)*~5964.169.4~76
Net income ($M)~30.524.831.1~39
EPS ($)~1.791.461.83~2.28
ROE (%)~17~13~15~15.6
ROA (%)~1.25~1.00~1.15~1.31
Total assets ($B)~2.7~2.93.0~3.2
Dividends/share ($)~0.300.32~0.38~0.40
*Total revenue = net interest income + non-interest income. Fiscal year ends June 30. FY2023 figures and FY2026E are estimates; FY2026E annualizes nine-month actuals (Q1 $8.9M + Q3 $10.5M reported). The FY2024 dip reflects net interest margin compression as deposit costs rose faster than asset yields — a one-cycle squeeze, not a structural impairment, fully recovered by FY2025.
Quarterly dynamics — last 5 quarters (fiscal year ends June 30)
MetricQ3 FY25Q4 FY25Q1 FY26Q2 FY26Q3 FY26
Net interest income ($M)16.2~17.5~18.3~19.220.2
Net interest margin (%)*~2.45~2.55~2.65~2.75~2.85
Net income ($M)8.1~8.58.9~9.610.5
EPS ($)0.47~0.500.52~0.570.62
*NIM figures are estimated from reported net interest income and average earning assets; Q4 FY25, Q1/Q2 FY26 net income partly estimated. The trend is the point: net interest income has risen for five straight quarters and margin has expanded steadily as the balance sheet re-prices — the engine behind the record Q3 FY2026.
Financial position and sustainability
ROE vs 12% quality threshold
15.6%
ROA vs 1.0% benchmark
1.31%
Loan-to-deposit ratio (Mar 2026)
~61%
FV upside vs current price (base)
+4%
account_tree

Business model — Greene County Bancorp

A low-cost, deposit-rich community bank in upstate New York
Greene County Bancorp is the holding company for The Bank of Greene County (a retail/commercial bank founded in 1889) and Greene County Commercial Bank (which serves municipal and government deposits). It operates a network of branches across the Hudson Valley / Catskill region of New York, with $3.2B in total assets, $1.7B in net loans and $2.8B in deposits as of March 31, 2026. The model is classic and durable: gather sticky, low-cost retail and municipal deposits, lend conservatively into commercial real estate, residential mortgages and municipal credit, and run the bank lean. That funding advantage is the source of a structurally high return profile — 15.6% ROE and 1.31% ROA put GCBC in the top decile of small US banks. The company is roughly 54%-controlled by Greene County Bancorp, MHC, a mutual holding company, which periodically waives its dividend to retain capital in the bank.

The story for the next 12–24 months is twofold. First, the back book continues to re-price upward, lifting net interest income for a fifth straight quarter and driving record earnings. Second, the company is executing its first material geographic expansion in years — entering Saratoga County, a faster-growing market north of Albany — which extends the deposit-gathering and lending runway beyond its mature home counties. Execution risk on that expansion is real but modest in scale relative to a $3.2B balance sheet.

gavel

Legal, regulatory and risk analysis

Net interest margin / rate sensitivity
Moderate
The current earnings strength is partly cyclical. If the Fed cuts rates aggressively, asset yields and the recently expanded NIM could compress, reversing part of the five-quarter tailwind. This is the single biggest swing factor in the bear case.
Geographic concentration
Moderate
Lending and deposits are concentrated in a handful of upstate NY counties. The economy is stable but slow-growing; the Saratoga County expansion diversifies this somewhat but is new and unproven.
MHC structure / minority shareholders
Moderate
Greene County Bancorp, MHC controls the majority of votes. Minority shareholders have limited influence over governance, M&A or capital decisions, and the MHC's dividend waivers shape payout policy. A structural discount, not a near-term threat.
Municipal deposit concentration
Moderate
Greene County Commercial Bank's municipal/government deposit base is a low-cost funding edge but is lumpy and seasonal, and can be rate-sensitive. Managing this book through a cutting cycle requires discipline.
Thin float & analyst coverage
Low
Small public float, low daily volume and minimal sell-side coverage mean wider spreads and price gaps on news. A liquidity nuisance for larger investors rather than a fundamental risk.
Credit quality
Positive
Asset quality is pristine: low net charge-offs, conservative underwriting and solid reserves. Reduced loan charge-offs were explicitly cited in the Q3 FY2026 release. A clear strength heading into any credit normalization.
Capital adequacy
Positive
The bank is well capitalized with comfortable regulatory ratios, supporting both the 400k-share buyback and the Saratoga expansion without an equity raise.
Track record & insider alignment
Positive
25+ years of unbroken profitability, record FY2025 and FY2026 earnings, and recent open-market insider buying (directors and CFO, all purchases, no sales in the last 12 months). Management and the board are buyers of their own stock.
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SWOT analysis

Strengths
  • +Top-decile profitability: 15.6% ROE, 1.31% ROA
  • +Low-cost retail + municipal deposit franchise
  • +Pristine credit quality, low charge-offs
  • +25+ years of consistent profitability through cycles
  • +Well capitalized; funds buyback and expansion organically
Weaknesses
  • Thin margin of safety — trades near intrinsic value
  • MHC control limits minority-shareholder influence
  • Low float and trading liquidity
  • Geographically concentrated in slow-growth markets
Opportunities
  • Saratoga County expansion into a faster-growing market
  • Continued back-book re-pricing lifts net interest income
  • Buyback execution accretive to EPS and book value
  • Re-rating if the market pays up for a 16% ROE bank
Threats
  • !Aggressive Fed rate cuts compress NIM off cycle highs
  • !Deposit competition raises funding costs
  • !Credit normalization from current cycle-low losses
  • !Regional CRE stress in the bank's lending footprint
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Summary by assessment area

🟢 Business quality — HIGH
  • 15.6% ROE, 1.31% ROA — top-decile small-bank returns
  • Record earnings FY2025 and FY2026; five straight quarters of NII growth
  • Pristine credit and strong capital
🟡 Valuation — FAIR
  • ~$24 vs $25 base-case fair value: only +4% upside
  • P/B premium to peers is earned, but the quality is priced in
  • Limited margin of safety — buy on weakness, not at market
🟡 Risk profile — LOW/MODERATE
  • Main swing factor: NIM compression if rates fall sharply
  • MHC control and thin float are structural, not acute, risks
  • No litigation, no insider selling, no capital-raise overhang
Sources & Disclaimer

Sources: Greene County Bancorp FY2025 results (8-K, July 23, 2025) and Q1 FY2026 release (October 21, 2025); Q3 FY2026 10-Q and earnings release (quarter ended March 31, 2026); company SEC Form 4 filings (2026 insider purchases); Simply Wall St, StockAnalysis, GuruFocus, InvestingPro, Yahoo Finance, Investing.com, TradingView. Market data (2026-05-21 — last available close, verified across ≥2 recent sources): GCBC ~$24.00, market cap ~$405M, 52-week range $21.16–$26.04, ~17.0M shares outstanding. Short interest: ~1% (low). FY2026E figures annualize reported nine-month actuals; FY2023 and intra-year quarterly figures are estimated and labelled as such. The [QUALITY] tag is a screening/selection criterion only and does not constitute a valuation judgement. This document is for informational purposes only and does not constitute financial or investment advice.