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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

Zai Lab Ltd is the larger business by last-quarter revenue ($127.1M vs $66.9M, roughly 1.9× Energy Recovery, Inc.). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs -0.3%). Energy Recovery, Inc. produced more free cash flow last quarter ($6.4M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 8.1%).

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

Zai Lab Ltd is a global biopharmaceutical company focused on developing, manufacturing and commercializing innovative therapies for oncology, autoimmune disorders, infectious diseases and other unmet medical needs. It operates primarily in the Greater China region and partners with leading global biotech firms to expand access to life-saving treatments for underserved patient populations.

ERII vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.9× larger
ZLAB
$127.1M
$66.9M
ERII
Growing faster (revenue YoY)
ZLAB
ZLAB
+17.4% gap
ZLAB
17.1%
-0.3%
ERII
More free cash flow
ERII
ERII
$33.1M more FCF
ERII
$6.4M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
8.1%
ERII

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ERII
ERII
ZLAB
ZLAB
Revenue
$66.9M
$127.1M
Net Profit
$26.9M
Gross Margin
67.2%
51.0%
Operating Margin
46.8%
-54.6%
Net Margin
40.2%
Revenue YoY
-0.3%
17.1%
Net Profit YoY
14.7%
EPS (diluted)
$0.49
$-0.05

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
ZLAB
ZLAB
Q4 25
$66.9M
$127.1M
Q3 25
$32.0M
$115.4M
Q2 25
$28.1M
$109.1M
Q1 25
$105.7M
Q4 24
$67.1M
$108.5M
Q3 24
$38.6M
$101.8M
Q2 24
$27.2M
$100.1M
Q1 24
$12.1M
$87.1M
Net Profit
ERII
ERII
ZLAB
ZLAB
Q4 25
$26.9M
Q3 25
$3.9M
$-36.0M
Q2 25
$2.1M
$-40.7M
Q1 25
$-48.4M
Q4 24
$23.5M
Q3 24
$8.5M
$-41.7M
Q2 24
$-642.0K
$-80.3M
Q1 24
$-8.3M
$-53.5M
Gross Margin
ERII
ERII
ZLAB
ZLAB
Q4 25
67.2%
51.0%
Q3 25
64.2%
59.5%
Q2 25
64.0%
60.6%
Q1 25
63.6%
Q4 24
70.2%
61.5%
Q3 24
65.1%
64.1%
Q2 24
64.6%
64.9%
Q1 24
59.0%
61.4%
Operating Margin
ERII
ERII
ZLAB
ZLAB
Q4 25
46.8%
-54.6%
Q3 25
11.4%
-42.3%
Q2 25
5.3%
-50.3%
Q1 25
-53.3%
Q4 24
38.2%
-62.6%
Q3 24
18.3%
-66.6%
Q2 24
-7.4%
-76.0%
Q1 24
-90.4%
-80.7%
Net Margin
ERII
ERII
ZLAB
ZLAB
Q4 25
40.2%
Q3 25
12.1%
-31.2%
Q2 25
7.3%
-37.3%
Q1 25
-45.8%
Q4 24
35.0%
Q3 24
22.0%
-40.9%
Q2 24
-2.4%
-80.2%
Q1 24
-68.3%
-61.4%
EPS (diluted)
ERII
ERII
ZLAB
ZLAB
Q4 25
$0.49
$-0.05
Q3 25
$0.07
$-0.03
Q2 25
$0.04
$-0.04
Q1 25
$-0.04
Q4 24
$0.40
$-0.09
Q3 24
$0.15
$-0.04
Q2 24
$-0.01
$-0.08
Q1 24
$-0.14
$-0.05

Balance Sheet & Financial Strength

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

Metric
ERII
ERII
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$75.2M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$206.2M
$715.5M
Total Assets
$231.5M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERII
ERII
ZLAB
ZLAB
Q4 25
$75.2M
$689.6M
Q3 25
$70.4M
$717.2M
Q2 25
$79.5M
$732.2M
Q1 25
$757.3M
Q4 24
$78.0M
$779.7M
Q3 24
$118.6M
$616.1M
Q2 24
$101.0M
$630.0M
Q1 24
$117.4M
$650.8M
Stockholders' Equity
ERII
ERII
ZLAB
ZLAB
Q4 25
$206.2M
$715.5M
Q3 25
$180.8M
$759.9M
Q2 25
$185.2M
$791.7M
Q1 25
$810.8M
Q4 24
$210.0M
$840.9M
Q3 24
$233.9M
$667.7M
Q2 24
$218.5M
$704.2M
Q1 24
$216.0M
$762.2M
Total Assets
ERII
ERII
ZLAB
ZLAB
Q4 25
$231.5M
$1.2B
Q3 25
$209.6M
$1.2B
Q2 25
$212.3M
$1.2B
Q1 25
$1.2B
Q4 24
$242.8M
$1.2B
Q3 24
$262.7M
$985.3M
Q2 24
$249.0M
$987.4M
Q1 24
$244.3M
$988.4M

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
ZLAB
ZLAB
Operating Cash FlowLast quarter
$7.1M
$-26.0M
Free Cash FlowOCF − Capex
$6.4M
$-26.7M
FCF MarginFCF / Revenue
9.6%
-21.0%
Capex IntensityCapex / Revenue
1.0%
0.5%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$15.8M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERII
ERII
ZLAB
ZLAB
Q4 25
$7.1M
$-26.0M
Q3 25
$-3.1M
$-32.0M
Q2 25
$4.1M
$-31.0M
Q1 25
$-61.7M
Q4 24
$9.0M
$-55.8M
Q3 24
$-3.0M
$-26.8M
Q2 24
$8.1M
$-42.2M
Q1 24
$6.5M
$-90.1M
Free Cash Flow
ERII
ERII
ZLAB
ZLAB
Q4 25
$6.4M
$-26.7M
Q3 25
$-3.5M
$-35.0M
Q2 25
$4.0M
$-33.9M
Q1 25
$-63.2M
Q4 24
$8.9M
$-58.4M
Q3 24
$-3.2M
$-28.2M
Q2 24
$7.9M
$-42.9M
Q1 24
$5.7M
$-91.1M
FCF Margin
ERII
ERII
ZLAB
ZLAB
Q4 25
9.6%
-21.0%
Q3 25
-10.9%
-30.4%
Q2 25
14.3%
-31.1%
Q1 25
-59.9%
Q4 24
13.2%
-53.8%
Q3 24
-8.2%
-27.7%
Q2 24
28.9%
-42.9%
Q1 24
46.9%
-104.5%
Capex Intensity
ERII
ERII
ZLAB
ZLAB
Q4 25
1.0%
0.5%
Q3 25
1.1%
2.6%
Q2 25
0.5%
2.6%
Q1 25
1.5%
Q4 24
0.2%
2.4%
Q3 24
0.4%
1.3%
Q2 24
0.7%
0.7%
Q1 24
6.8%
1.1%
Cash Conversion
ERII
ERII
ZLAB
ZLAB
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%

ZLAB
ZLAB

Zejula$56.0M44%
Other$21.9M17%
Nuzyra$16.0M13%
Optune$11.9M9%
XACDURO$10.7M8%
Qinlock$9.7M8%
AUGTYRO$836.0K1%

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