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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and GEN Restaurant Group, Inc. (GENK). Click either name above to swap in a different company.

Energy Recovery, Inc. is the larger business by last-quarter revenue ($66.9M vs $49.7M, roughly 1.3× GEN Restaurant Group, Inc.). Energy Recovery, Inc. runs the higher net margin — 40.2% vs -3.8%, a 44.1% gap on every dollar of revenue. On growth, Energy Recovery, Inc. posted the faster year-over-year revenue change (-0.3% vs -9.0%). Energy Recovery, Inc. produced more free cash flow last quarter ($6.4M vs $-5.6M). Over the past eight quarters, Energy Recovery, Inc.'s revenue compounded faster (8.1% CAGR vs -1.0%).

Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.

Gen Korean BBQ is an American chain of all-you-can-eat Korean barbecue restaurants mainly concentrated around the Western U.S. It opened in 2011, and has since grown to 43 locations as of 2024.

ERII vs GENK — Head-to-Head

Bigger by revenue
ERII
ERII
1.3× larger
ERII
$66.9M
$49.7M
GENK
Growing faster (revenue YoY)
ERII
ERII
+8.7% gap
ERII
-0.3%
-9.0%
GENK
Higher net margin
ERII
ERII
44.1% more per $
ERII
40.2%
-3.8%
GENK
More free cash flow
ERII
ERII
$12.1M more FCF
ERII
$6.4M
$-5.6M
GENK
Faster 2-yr revenue CAGR
ERII
ERII
Annualised
ERII
8.1%
-1.0%
GENK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ERII
ERII
GENK
GENK
Revenue
$66.9M
$49.7M
Net Profit
$26.9M
$-1.9M
Gross Margin
67.2%
Operating Margin
46.8%
-24.5%
Net Margin
40.2%
-3.8%
Revenue YoY
-0.3%
-9.0%
Net Profit YoY
14.7%
-821.4%
EPS (diluted)
$0.49
$-0.37

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
ERII
ERII
GENK
GENK
Q4 25
$66.9M
$49.7M
Q3 25
$32.0M
$50.4M
Q2 25
$28.1M
$55.0M
Q1 25
$57.3M
Q4 24
$67.1M
$54.7M
Q3 24
$38.6M
$49.1M
Q2 24
$27.2M
$53.9M
Q1 24
$12.1M
$50.8M
Net Profit
ERII
ERII
GENK
GENK
Q4 25
$26.9M
$-1.9M
Q3 25
$3.9M
$-566.0K
Q2 25
$2.1M
$-261.0K
Q1 25
$-301.0K
Q4 24
$23.5M
$-206.0K
Q3 24
$8.5M
$25.0K
Q2 24
$-642.0K
$277.0K
Q1 24
$-8.3M
$496.0K
Gross Margin
ERII
ERII
GENK
GENK
Q4 25
67.2%
Q3 25
64.2%
Q2 25
64.0%
Q1 25
Q4 24
70.2%
Q3 24
65.1%
Q2 24
64.6%
Q1 24
59.0%
Operating Margin
ERII
ERII
GENK
GENK
Q4 25
46.8%
-24.5%
Q3 25
11.4%
-7.4%
Q2 25
5.3%
-3.4%
Q1 25
-3.8%
Q4 24
38.2%
-2.4%
Q3 24
18.3%
0.2%
Q2 24
-7.4%
3.0%
Q1 24
-90.4%
0.2%
Net Margin
ERII
ERII
GENK
GENK
Q4 25
40.2%
-3.8%
Q3 25
12.1%
-1.1%
Q2 25
7.3%
-0.5%
Q1 25
-0.5%
Q4 24
35.0%
-0.4%
Q3 24
22.0%
0.1%
Q2 24
-2.4%
0.5%
Q1 24
-68.3%
1.0%
EPS (diluted)
ERII
ERII
GENK
GENK
Q4 25
$0.49
$-0.37
Q3 25
$0.07
$-0.11
Q2 25
$0.04
$-0.05
Q1 25
$-0.06
Q4 24
$0.40
$-0.05
Q3 24
$0.15
$0.01
Q2 24
$-0.01
$0.06
Q1 24
$-0.14
$0.11

Balance Sheet & Financial Strength

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

Metric
ERII
ERII
GENK
GENK
Cash + ST InvestmentsLiquidity on hand
$75.2M
$2.8M
Total DebtLower is stronger
$13.6M
Stockholders' EquityBook value
$206.2M
$26.5M
Total Assets
$231.5M
$259.9M
Debt / EquityLower = less leverage
0.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERII
ERII
GENK
GENK
Q4 25
$75.2M
$2.8M
Q3 25
$70.4M
$4.8M
Q2 25
$79.5M
$9.6M
Q1 25
$15.4M
Q4 24
$78.0M
$23.7M
Q3 24
$118.6M
$22.1M
Q2 24
$101.0M
$29.2M
Q1 24
$117.4M
$28.1M
Total Debt
ERII
ERII
GENK
GENK
Q4 25
$13.6M
Q3 25
$10.8M
Q2 25
$7.8M
Q1 25
$6.5M
Q4 24
$6.9M
Q3 24
$7.2M
Q2 24
$7.6M
Q1 24
$7.7M
Stockholders' Equity
ERII
ERII
GENK
GENK
Q4 25
$206.2M
$26.5M
Q3 25
$180.8M
$38.1M
Q2 25
$185.2M
$41.0M
Q1 25
$42.8M
Q4 24
$210.0M
$44.1M
Q3 24
$233.9M
$46.5M
Q2 24
$218.5M
$45.9M
Q1 24
$216.0M
$40.4M
Total Assets
ERII
ERII
GENK
GENK
Q4 25
$231.5M
$259.9M
Q3 25
$209.6M
$245.5M
Q2 25
$212.3M
$246.3M
Q1 25
$232.4M
Q4 24
$242.8M
$240.4M
Q3 24
$262.7M
$225.7M
Q2 24
$249.0M
$218.8M
Q1 24
$244.3M
$214.5M
Debt / Equity
ERII
ERII
GENK
GENK
Q4 25
0.51×
Q3 25
0.28×
Q2 25
0.19×
Q1 25
0.15×
Q4 24
0.16×
Q3 24
0.16×
Q2 24
0.17×
Q1 24
0.19×

Cash Flow & Capital Efficiency

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

Metric
ERII
ERII
GENK
GENK
Operating Cash FlowLast quarter
$7.1M
$-426.0K
Free Cash FlowOCF − Capex
$6.4M
$-5.6M
FCF MarginFCF / Revenue
9.6%
-11.3%
Capex IntensityCapex / Revenue
1.0%
10.5%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$15.8M
$-24.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERII
ERII
GENK
GENK
Q4 25
$7.1M
$-426.0K
Q3 25
$-3.1M
$-1.6M
Q2 25
$4.1M
$3.3M
Q1 25
$2.2M
Q4 24
$9.0M
$7.3M
Q3 24
$-3.0M
$1.4M
Q2 24
$8.1M
$5.6M
Q1 24
$6.5M
$3.5M
Free Cash Flow
ERII
ERII
GENK
GENK
Q4 25
$6.4M
$-5.6M
Q3 25
$-3.5M
$-7.7M
Q2 25
$4.0M
$-6.3M
Q1 25
$-4.7M
Q4 24
$8.9M
$165.0K
Q3 24
$-3.2M
$-6.8M
Q2 24
$7.9M
$1.2M
Q1 24
$5.7M
$-586.0K
FCF Margin
ERII
ERII
GENK
GENK
Q4 25
9.6%
-11.3%
Q3 25
-10.9%
-15.3%
Q2 25
14.3%
-11.5%
Q1 25
-8.2%
Q4 24
13.2%
0.3%
Q3 24
-8.2%
-13.9%
Q2 24
28.9%
2.3%
Q1 24
46.9%
-1.2%
Capex Intensity
ERII
ERII
GENK
GENK
Q4 25
1.0%
10.5%
Q3 25
1.1%
12.0%
Q2 25
0.5%
17.5%
Q1 25
11.9%
Q4 24
0.2%
13.1%
Q3 24
0.4%
16.9%
Q2 24
0.7%
8.0%
Q1 24
6.8%
8.1%
Cash Conversion
ERII
ERII
GENK
GENK
Q4 25
0.26×
Q3 25
-0.81×
Q2 25
2.02×
Q1 25
Q4 24
0.38×
Q3 24
-0.35×
57.96×
Q2 24
20.06×
Q1 24
7.08×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ERII
ERII

Water Segment$38.6M58%
Other$11.0M16%
Original Equipment Manufacturer$10.6M16%
Aftermarket$6.6M10%

GENK
GENK

Segment breakdown not available.

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