GCBC

Greene County Bancorp is a genuinely well-run small savings institution. FY2025 net income rose 25.7% to $31.1M and diluted EPS 26.2% to $1.83, but the MD&A shows this was largely a recovery, not steady compounding: net interest income was actually higher in FY2023 ($61.2M) than FY2024 ($51.0M) before rebounding to $60.1M, and EPS traces $1.81 → $1.45 → $1.83 over three years. The rebound is real and driven by margin repair — net interest margin widened to 2.19% from 1.98%, the efficiency ratio improved to 52.25% from 57.49%, and return on average equity recovered to 14.08%. Credit quality is exceptional: non-performing assets are just 0.10% of total assets with allowance coverage of 658% of non-performing loans, and the balance sheet strengthened as borrowings fell from $149M to $78M while deposits grew to $2.64B. This is a durable, conservatively run franchise.

The problem is price, not quality. Since the 10-K's June 30, 2025 close of $22.22, the stock has run roughly 56% to $34.66 — a P/E of 18.9x and about 2.5x the $14.03 book value. That is a rich multiple for a thrift earning ~1.10% on assets with a structurally thin 2.19% margin. The securities-heavy, low-NIM model makes earnings highly sensitive to rates, which the MD&A flags first among its risk factors (general market interest rates, deposit flows, credit risk); the FY2024 margin compression is a live reminder of how quickly that spread can swing. The MHC structure (Greene County Bancorp, MHC waives dividends and controls the float) also thins liquidity and can distort valuation.