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Side-by-side financial comparison of H2O AMERICA (HTO) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

H2O AMERICA is the larger business by last-quarter revenue ($199.4M vs $127.1M, roughly 1.6× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 1.5%). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 15.3%).

H2O Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. It is a brand of the mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. Locus was formerly a subsidiary of KDDI America corporation, starting in 2010. H2O Wireless is primarily advertised as a non-restrictive phone service for customers to bring or buy unlocked smartphones, although AT&T contract/locked phones may be accepted as well.

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.

HTO vs ZLAB — Head-to-Head

Bigger by revenue
HTO
HTO
1.6× larger
HTO
$199.4M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+15.6% gap
ZLAB
17.1%
1.5%
HTO
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
15.3%
HTO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HTO
HTO
ZLAB
ZLAB
Revenue
$199.4M
$127.1M
Net Profit
$16.2M
Gross Margin
51.0%
Operating Margin
16.6%
-54.6%
Net Margin
8.1%
Revenue YoY
1.5%
17.1%
Net Profit YoY
-29.2%
EPS (diluted)
$0.45
$-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
HTO
HTO
ZLAB
ZLAB
Q4 25
$199.4M
$127.1M
Q3 25
$243.5M
$115.4M
Q2 25
$197.8M
$109.1M
Q1 25
$164.9M
$105.7M
Q4 24
$196.5M
$108.5M
Q3 24
$216.7M
$101.8M
Q2 24
$173.1M
$100.1M
Q1 24
$150.0M
$87.1M
Net Profit
HTO
HTO
ZLAB
ZLAB
Q4 25
$16.2M
Q3 25
$45.1M
$-36.0M
Q2 25
$24.7M
$-40.7M
Q1 25
$16.6M
$-48.4M
Q4 24
$22.9M
Q3 24
$38.7M
$-41.7M
Q2 24
$20.7M
$-80.3M
Q1 24
$11.7M
$-53.5M
Gross Margin
HTO
HTO
ZLAB
ZLAB
Q4 25
51.0%
Q3 25
59.5%
Q2 25
60.6%
Q1 25
63.6%
Q4 24
61.5%
Q3 24
64.1%
Q2 24
64.9%
Q1 24
61.4%
Operating Margin
HTO
HTO
ZLAB
ZLAB
Q4 25
16.6%
-54.6%
Q3 25
26.5%
-42.3%
Q2 25
22.2%
-50.3%
Q1 25
21.8%
-53.3%
Q4 24
22.2%
-62.6%
Q3 24
26.9%
-66.6%
Q2 24
23.4%
-76.0%
Q1 24
18.6%
-80.7%
Net Margin
HTO
HTO
ZLAB
ZLAB
Q4 25
8.1%
Q3 25
18.5%
-31.2%
Q2 25
12.5%
-37.3%
Q1 25
10.0%
-45.8%
Q4 24
11.7%
Q3 24
17.8%
-40.9%
Q2 24
12.0%
-80.2%
Q1 24
7.8%
-61.4%
EPS (diluted)
HTO
HTO
ZLAB
ZLAB
Q4 25
$0.45
$-0.05
Q3 25
$1.27
$-0.03
Q2 25
$0.71
$-0.04
Q1 25
$0.49
$-0.04
Q4 24
$0.70
$-0.09
Q3 24
$1.17
$-0.04
Q2 24
$0.64
$-0.08
Q1 24
$0.36
$-0.05

Balance Sheet & Financial Strength

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

Metric
HTO
HTO
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$20.7M
$689.6M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$1.5B
$715.5M
Total Assets
$5.1B
$1.2B
Debt / EquityLower = less leverage
1.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HTO
HTO
ZLAB
ZLAB
Q4 25
$20.7M
$689.6M
Q3 25
$11.3M
$717.2M
Q2 25
$19.8M
$732.2M
Q1 25
$23.7M
$757.3M
Q4 24
$11.1M
$779.7M
Q3 24
$4.0M
$616.1M
Q2 24
$22.8M
$630.0M
Q1 24
$4.5M
$650.8M
Total Debt
HTO
HTO
ZLAB
ZLAB
Q4 25
$1.9B
Q3 25
Q2 25
Q1 25
Q4 24
$1.7B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
HTO
HTO
ZLAB
ZLAB
Q4 25
$1.5B
$715.5M
Q3 25
$1.5B
$759.9M
Q2 25
$1.5B
$791.7M
Q1 25
$1.4B
$810.8M
Q4 24
$1.4B
$840.9M
Q3 24
$1.3B
$667.7M
Q2 24
$1.3B
$704.2M
Q1 24
$1.2B
$762.2M
Total Assets
HTO
HTO
ZLAB
ZLAB
Q4 25
$5.1B
$1.2B
Q3 25
$5.0B
$1.2B
Q2 25
$4.8B
$1.2B
Q1 25
$4.7B
$1.2B
Q4 24
$4.7B
$1.2B
Q3 24
$4.6B
$985.3M
Q2 24
$4.4B
$987.4M
Q1 24
$4.4B
$988.4M
Debt / Equity
HTO
HTO
ZLAB
ZLAB
Q4 25
1.23×
Q3 25
Q2 25
Q1 25
Q4 24
1.26×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
HTO
HTO
ZLAB
ZLAB
Operating Cash FlowLast quarter
$63.5M
$-26.0M
Free Cash FlowOCF − Capex
$-26.7M
FCF MarginFCF / Revenue
-21.0%
Capex IntensityCapex / Revenue
0.5%
Cash ConversionOCF / Net Profit
3.92×
TTM Free Cash FlowTrailing 4 quarters
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HTO
HTO
ZLAB
ZLAB
Q4 25
$63.5M
$-26.0M
Q3 25
$77.3M
$-32.0M
Q2 25
$60.8M
$-31.0M
Q1 25
$43.2M
$-61.7M
Q4 24
$41.5M
$-55.8M
Q3 24
$53.5M
$-26.8M
Q2 24
$49.3M
$-42.2M
Q1 24
$51.2M
$-90.1M
Free Cash Flow
HTO
HTO
ZLAB
ZLAB
Q4 25
$-26.7M
Q3 25
$-35.0M
Q2 25
$-33.9M
Q1 25
$-63.2M
Q4 24
$-58.4M
Q3 24
$-28.2M
Q2 24
$-42.9M
Q1 24
$-91.1M
FCF Margin
HTO
HTO
ZLAB
ZLAB
Q4 25
-21.0%
Q3 25
-30.4%
Q2 25
-31.1%
Q1 25
-59.9%
Q4 24
-53.8%
Q3 24
-27.7%
Q2 24
-42.9%
Q1 24
-104.5%
Capex Intensity
HTO
HTO
ZLAB
ZLAB
Q4 25
0.5%
Q3 25
2.6%
Q2 25
2.6%
Q1 25
1.5%
Q4 24
2.4%
Q3 24
1.3%
Q2 24
0.7%
Q1 24
1.1%
Cash Conversion
HTO
HTO
ZLAB
ZLAB
Q4 25
3.92×
Q3 25
1.71×
Q2 25
2.47×
Q1 25
2.61×
Q4 24
1.81×
Q3 24
1.39×
Q2 24
2.38×
Q1 24
4.38×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HTO
HTO

Water Utility Services$191.0M96%
Other$8.4M4%

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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