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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and GERON CORP (GERN). Click either name above to swap in a different company.

Energy Recovery, Inc. is the larger business by last-quarter revenue ($66.9M vs $47.2M, roughly 1.4× GERON CORP). Energy Recovery, Inc. runs the higher net margin — 40.2% vs -39.0%, a 79.3% gap on every dollar of revenue. On growth, GERON CORP posted the faster year-over-year revenue change (67.1% vs -0.3%). Over the past eight quarters, GERON CORP's revenue compounded faster (1597.0% CAGR vs 8.1%).

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

Geron Corporation is a biotechnology company located in Foster City, California which specializes in developing and commercializing therapeutic products for cancer that inhibit telomerase.

ERII vs GERN — Head-to-Head

Bigger by revenue
ERII
ERII
1.4× larger
ERII
$66.9M
$47.2M
GERN
Growing faster (revenue YoY)
GERN
GERN
+67.4% gap
GERN
67.1%
-0.3%
ERII
Higher net margin
ERII
ERII
79.3% more per $
ERII
40.2%
-39.0%
GERN
Faster 2-yr revenue CAGR
GERN
GERN
Annualised
GERN
1597.0%
8.1%
ERII

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ERII
ERII
GERN
GERN
Revenue
$66.9M
$47.2M
Net Profit
$26.9M
$-18.4M
Gross Margin
67.2%
Operating Margin
46.8%
-29.4%
Net Margin
40.2%
-39.0%
Revenue YoY
-0.3%
67.1%
Net Profit YoY
14.7%
30.3%
EPS (diluted)
$0.49
$-0.03

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
GERN
GERN
Q4 25
$66.9M
Q3 25
$32.0M
$47.2M
Q2 25
$28.1M
$49.0M
Q1 25
$39.6M
Q4 24
$67.1M
Q3 24
$38.6M
$28.3M
Q2 24
$27.2M
$882.0K
Q1 24
$12.1M
$304.0K
Net Profit
ERII
ERII
GERN
GERN
Q4 25
$26.9M
Q3 25
$3.9M
$-18.4M
Q2 25
$2.1M
$-16.4M
Q1 25
$-19.8M
Q4 24
$23.5M
Q3 24
$8.5M
$-26.4M
Q2 24
$-642.0K
$-67.4M
Q1 24
$-8.3M
$-55.4M
Gross Margin
ERII
ERII
GERN
GERN
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
GERN
GERN
Q4 25
46.8%
Q3 25
11.4%
-29.4%
Q2 25
5.3%
-25.4%
Q1 25
-42.2%
Q4 24
38.2%
Q3 24
18.3%
-99.8%
Q2 24
-7.4%
-7860.9%
Q1 24
-90.4%
-18465.1%
Net Margin
ERII
ERII
GERN
GERN
Q4 25
40.2%
Q3 25
12.1%
-39.0%
Q2 25
7.3%
-33.4%
Q1 25
-50.1%
Q4 24
35.0%
Q3 24
22.0%
-93.5%
Q2 24
-2.4%
-7639.8%
Q1 24
-68.3%
-18220.4%
EPS (diluted)
ERII
ERII
GERN
GERN
Q4 25
$0.49
Q3 25
$0.07
$-0.03
Q2 25
$0.04
$-0.02
Q1 25
$-0.03
Q4 24
$0.40
Q3 24
$0.15
$-0.04
Q2 24
$-0.01
$-0.10
Q1 24
$-0.14
$-0.09

Balance Sheet & Financial Strength

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

Metric
ERII
ERII
GERN
GERN
Cash + ST InvestmentsLiquidity on hand
$75.2M
$78.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$206.2M
$248.7M
Total Assets
$231.5M
$567.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERII
ERII
GERN
GERN
Q4 25
$75.2M
Q3 25
$70.4M
$78.1M
Q2 25
$79.5M
$77.7M
Q1 25
$83.7M
Q4 24
$78.0M
Q3 24
$118.6M
$60.3M
Q2 24
$101.0M
$116.9M
Q1 24
$117.4M
$189.8M
Stockholders' Equity
ERII
ERII
GERN
GERN
Q4 25
$206.2M
Q3 25
$180.8M
$248.7M
Q2 25
$185.2M
$259.5M
Q1 25
$268.2M
Q4 24
$210.0M
Q3 24
$233.9M
$292.3M
Q2 24
$218.5M
$306.7M
Q1 24
$216.0M
$344.9M
Total Assets
ERII
ERII
GERN
GERN
Q4 25
$231.5M
Q3 25
$209.6M
$567.4M
Q2 25
$212.3M
$555.2M
Q1 25
$562.5M
Q4 24
$242.8M
Q3 24
$262.7M
$444.9M
Q2 24
$249.0M
$449.4M
Q1 24
$244.3M
$482.1M

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
GERN
GERN
Operating Cash FlowLast quarter
$7.1M
$-13.6M
Free Cash FlowOCF − Capex
$6.4M
FCF MarginFCF / Revenue
9.6%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERII
ERII
GERN
GERN
Q4 25
$7.1M
Q3 25
$-3.1M
$-13.6M
Q2 25
$4.1M
$-27.4M
Q1 25
$-48.0M
Q4 24
$9.0M
Q3 24
$-3.0M
$-58.9M
Q2 24
$8.1M
$-53.5M
Q1 24
$6.5M
$-62.3M
Free Cash Flow
ERII
ERII
GERN
GERN
Q4 25
$6.4M
Q3 25
$-3.5M
Q2 25
$4.0M
Q1 25
Q4 24
$8.9M
Q3 24
$-3.2M
Q2 24
$7.9M
$-53.7M
Q1 24
$5.7M
$-62.9M
FCF Margin
ERII
ERII
GERN
GERN
Q4 25
9.6%
Q3 25
-10.9%
Q2 25
14.3%
Q1 25
Q4 24
13.2%
Q3 24
-8.2%
Q2 24
28.9%
-6086.6%
Q1 24
46.9%
-20680.3%
Capex Intensity
ERII
ERII
GERN
GERN
Q4 25
1.0%
Q3 25
1.1%
Q2 25
0.5%
Q1 25
Q4 24
0.2%
Q3 24
0.4%
0.0%
Q2 24
0.7%
23.4%
Q1 24
6.8%
202.3%
Cash Conversion
ERII
ERII
GERN
GERN
Q4 25
0.26×
Q3 25
-0.81×
Q2 25
2.02×
Q1 25
Q4 24
0.38×
Q3 24
-0.35×
Q2 24
Q1 24

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%

GERN
GERN

Segment breakdown not available.

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