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Side-by-side financial comparison of GREENE COUNTY BANCORP INC (GCBC) and PERMA FIX ENVIRONMENTAL SERVICES INC (PESI). Click either name above to swap in a different company.

GREENE COUNTY BANCORP INC is the larger business by last-quarter revenue ($22.2M vs $15.7M, roughly 1.4× PERMA FIX ENVIRONMENTAL SERVICES INC). GREENE COUNTY BANCORP INC runs the higher net margin — 46.3% vs -36.0%, a 82.3% gap on every dollar of revenue. On growth, GREENE COUNTY BANCORP INC posted the faster year-over-year revenue change (23.8% vs 6.9%). GREENE COUNTY BANCORP INC produced more free cash flow last quarter ($6.2M vs $-4.2M). Over the past eight quarters, GREENE COUNTY BANCORP INC's revenue compounded faster (18.9% CAGR vs 7.4%).

Bank of Greene County is an American federally-chartered savings bank headquartered in Catskill, NY. The bank's branches are located in the Upstate New York counties of Greene, Columbia, Albany, Ulster, and Rensselaer.

Perma-Fix Environmental Services Inc provides end-to-end environmental and waste management solutions, specializing in the treatment, processing, and disposal of hazardous, radioactive, and mixed waste streams. It serves U.S. federal government agencies, nuclear facility operators, and industrial clients across the energy, manufacturing, and defense segments.

GCBC vs PESI — Head-to-Head

Bigger by revenue
GCBC
GCBC
1.4× larger
GCBC
$22.2M
$15.7M
PESI
Growing faster (revenue YoY)
GCBC
GCBC
+16.9% gap
GCBC
23.8%
6.9%
PESI
Higher net margin
GCBC
GCBC
82.3% more per $
GCBC
46.3%
-36.0%
PESI
More free cash flow
GCBC
GCBC
$10.4M more FCF
GCBC
$6.2M
$-4.2M
PESI
Faster 2-yr revenue CAGR
GCBC
GCBC
Annualised
GCBC
18.9%
7.4%
PESI

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
GCBC
GCBC
PESI
PESI
Revenue
$22.2M
$15.7M
Net Profit
$10.3M
$-5.7M
Gross Margin
7.7%
Operating Margin
52.0%
-20.6%
Net Margin
46.3%
-36.0%
Revenue YoY
23.8%
6.9%
Net Profit YoY
37.4%
-62.2%
EPS (diluted)
$0.60
$-0.31

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
GCBC
GCBC
PESI
PESI
Q4 25
$22.2M
$15.7M
Q3 25
$21.5M
$17.5M
Q2 25
$20.5M
$14.6M
Q1 25
$20.1M
$13.9M
Q4 24
$17.9M
$14.7M
Q3 24
$16.9M
$16.8M
Q2 24
$16.6M
$14.0M
Q1 24
$15.7M
$13.6M
Net Profit
GCBC
GCBC
PESI
PESI
Q4 25
$10.3M
$-5.7M
Q3 25
$8.9M
$-1.8M
Q2 25
$9.3M
$-2.7M
Q1 25
$8.1M
$-3.6M
Q4 24
$7.5M
$-3.5M
Q3 24
$6.3M
$-9.0M
Q2 24
$6.7M
$-4.0M
Q1 24
$5.9M
$-3.6M
Gross Margin
GCBC
GCBC
PESI
PESI
Q4 25
7.7%
Q3 25
14.6%
Q2 25
10.6%
Q1 25
4.7%
Q4 24
4.0%
Q3 24
7.9%
Q2 24
-9.3%
Q1 24
-4.6%
Operating Margin
GCBC
GCBC
PESI
PESI
Q4 25
52.0%
-20.6%
Q3 25
47.4%
-10.7%
Q2 25
53.5%
-19.8%
Q1 25
44.6%
-26.8%
Q4 24
45.0%
-24.4%
Q3 24
39.6%
-15.5%
Q2 24
41.2%
-36.0%
Q1 24
39.4%
-32.8%
Net Margin
GCBC
GCBC
PESI
PESI
Q4 25
46.3%
-36.0%
Q3 25
41.2%
-10.5%
Q2 25
45.6%
-18.6%
Q1 25
40.1%
-25.7%
Q4 24
41.7%
-23.7%
Q3 24
37.1%
-53.4%
Q2 24
40.6%
-28.2%
Q1 24
37.3%
-26.1%
EPS (diluted)
GCBC
GCBC
PESI
PESI
Q4 25
$0.60
$-0.31
Q3 25
$0.52
$-0.10
Q2 25
$0.55
$-0.15
Q1 25
$0.47
$-0.19
Q4 24
$0.44
$-0.23
Q3 24
$0.37
$-0.57
Q2 24
$0.39
$-0.27
Q1 24
$0.34
$-0.26

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
GCBC
GCBC
PESI
PESI
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
$1.9M
Stockholders' EquityBook value
$258.3M
$50.1M
Total Assets
$3.1B
$88.0M
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GCBC
GCBC
PESI
PESI
Q4 25
Q3 25
Q2 25
Q1 25
$155.5M
Q4 24
$166.4M
Q3 24
Q2 24
$190.4M
Q1 24
Total Debt
GCBC
GCBC
PESI
PESI
Q4 25
$1.9M
Q3 25
$1.9M
Q2 25
$2.0M
Q1 25
$2.2M
Q4 24
$2.3M
Q3 24
$2.5M
Q2 24
$2.2M
Q1 24
$2.5M
Stockholders' Equity
GCBC
GCBC
PESI
PESI
Q4 25
$258.3M
$50.1M
Q3 25
$248.2M
$55.4M
Q2 25
$238.8M
$56.8M
Q1 25
$229.0M
$59.2M
Q4 24
$218.4M
$62.4M
Q3 24
$216.3M
$42.4M
Q2 24
$206.0M
$51.0M
Q1 24
$199.2M
$36.2M
Total Assets
GCBC
GCBC
PESI
PESI
Q4 25
$3.1B
$88.0M
Q3 25
$3.1B
$91.2M
Q2 25
$3.0B
$90.2M
Q1 25
$3.0B
$92.9M
Q4 24
$3.0B
$97.2M
Q3 24
$2.9B
$78.2M
Q2 24
$2.8B
$87.0M
Q1 24
$2.9B
$74.0M
Debt / Equity
GCBC
GCBC
PESI
PESI
Q4 25
0.04×
Q3 25
0.03×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.06×
Q2 24
0.04×
Q1 24
0.07×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
GCBC
GCBC
PESI
PESI
Operating Cash FlowLast quarter
$6.4M
$-2.1M
Free Cash FlowOCF − Capex
$6.2M
$-4.2M
FCF MarginFCF / Revenue
28.0%
-26.9%
Capex IntensityCapex / Revenue
0.9%
13.4%
Cash ConversionOCF / Net Profit
0.62×
TTM Free Cash FlowTrailing 4 quarters
$47.3M
$-15.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GCBC
GCBC
PESI
PESI
Q4 25
$6.4M
$-2.1M
Q3 25
$7.0M
$-4.6M
Q2 25
$28.0M
$-1.9M
Q1 25
$7.3M
$-2.1M
Q4 24
$5.3M
$-3.3M
Q3 24
$2.1M
$-5.6M
Q2 24
$24.9M
$-1.3M
Q1 24
$5.6M
$-4.5M
Free Cash Flow
GCBC
GCBC
PESI
PESI
Q4 25
$6.2M
$-4.2M
Q3 25
$6.5M
$-5.8M
Q2 25
$27.3M
$-2.8M
Q1 25
$7.3M
$-2.6M
Q4 24
$5.1M
$-4.5M
Q3 24
$2.0M
$-7.0M
Q2 24
$23.4M
$-1.9M
Q1 24
$4.9M
$-4.8M
FCF Margin
GCBC
GCBC
PESI
PESI
Q4 25
28.0%
-26.9%
Q3 25
30.4%
-33.3%
Q2 25
133.3%
-19.2%
Q1 25
36.1%
-18.9%
Q4 24
28.6%
-30.5%
Q3 24
11.8%
-41.7%
Q2 24
141.2%
-13.5%
Q1 24
31.3%
-35.0%
Capex Intensity
GCBC
GCBC
PESI
PESI
Q4 25
0.9%
13.4%
Q3 25
1.9%
6.7%
Q2 25
3.4%
6.2%
Q1 25
0.3%
3.8%
Q4 24
1.0%
8.0%
Q3 24
0.9%
8.2%
Q2 24
9.1%
4.3%
Q1 24
4.2%
1.8%
Cash Conversion
GCBC
GCBC
PESI
PESI
Q4 25
0.62×
Q3 25
0.78×
Q2 25
3.00×
Q1 25
0.91×
Q4 24
0.71×
Q3 24
0.34×
Q2 24
3.70×
Q1 24
0.95×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

GCBC
GCBC

Segment breakdown not available.

PESI
PESI

Fixed Price$11.4M73%
Services$4.3M27%

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