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Side-by-side financial comparison of HEALTHSTREAM INC (HSTM) 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 $79.7M, roughly 1.6× HEALTHSTREAM INC). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 7.4%). HEALTHSTREAM INC produced more free cash flow last quarter ($13.0M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 4.7%).

HealthStream Inc is a leading U.S.-based provider of workforce development, compliance, and training solutions tailored for the healthcare industry. It offers cloud-based platforms covering clinical skill training, talent management, patient safety education, and regulatory adherence tools, serving over 4,000 healthcare organizations including hospitals, clinics, and long-term care facilities nationwide.

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.

HSTM vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.6× larger
ZLAB
$127.1M
$79.7M
HSTM
Growing faster (revenue YoY)
ZLAB
ZLAB
+9.7% gap
ZLAB
17.1%
7.4%
HSTM
More free cash flow
HSTM
HSTM
$39.7M more FCF
HSTM
$13.0M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
4.7%
HSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HSTM
HSTM
ZLAB
ZLAB
Revenue
$79.7M
$127.1M
Net Profit
Gross Margin
51.0%
Operating Margin
3.0%
-54.6%
Net Margin
Revenue YoY
7.4%
17.1%
Net Profit YoY
EPS (diluted)
$0.09
$-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
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$79.7M
$127.1M
Q3 25
$76.5M
$115.4M
Q2 25
$74.4M
$109.1M
Q1 25
$73.5M
$105.7M
Q4 24
$74.2M
$108.5M
Q3 24
$73.1M
$101.8M
Q2 24
$71.6M
$100.1M
Q1 24
$72.8M
$87.1M
Net Profit
HSTM
HSTM
ZLAB
ZLAB
Q4 25
Q3 25
$6.1M
$-36.0M
Q2 25
$5.4M
$-40.7M
Q1 25
$4.3M
$-48.4M
Q4 24
Q3 24
$5.7M
$-41.7M
Q2 24
$4.2M
$-80.3M
Q1 24
$5.2M
$-53.5M
Gross Margin
HSTM
HSTM
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
HSTM
HSTM
ZLAB
ZLAB
Q4 25
3.0%
-54.6%
Q3 25
9.9%
-42.3%
Q2 25
7.9%
-50.3%
Q1 25
6.0%
-53.3%
Q4 24
6.3%
-62.6%
Q3 24
8.9%
-66.6%
Q2 24
6.2%
-76.0%
Q1 24
7.8%
-80.7%
Net Margin
HSTM
HSTM
ZLAB
ZLAB
Q4 25
Q3 25
8.0%
-31.2%
Q2 25
7.2%
-37.3%
Q1 25
5.9%
-45.8%
Q4 24
Q3 24
7.8%
-40.9%
Q2 24
5.8%
-80.2%
Q1 24
7.2%
-61.4%
EPS (diluted)
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$0.09
$-0.05
Q3 25
$0.20
$-0.03
Q2 25
$0.18
$-0.04
Q1 25
$0.14
$-0.04
Q4 24
$0.16
$-0.09
Q3 24
$0.19
$-0.04
Q2 24
$0.14
$-0.08
Q1 24
$0.17
$-0.05

Balance Sheet & Financial Strength

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

Metric
HSTM
HSTM
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$36.2M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$354.0M
$715.5M
Total Assets
$520.4M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$36.2M
$689.6M
Q3 25
$53.5M
$717.2M
Q2 25
$52.1M
$732.2M
Q1 25
$77.3M
$757.3M
Q4 24
$59.5M
$779.7M
Q3 24
$57.5M
$616.1M
Q2 24
$46.1M
$630.0M
Q1 24
$52.4M
$650.8M
Stockholders' Equity
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$354.0M
$715.5M
Q3 25
$349.2M
$759.9M
Q2 25
$350.6M
$791.7M
Q1 25
$362.8M
$810.8M
Q4 24
$359.4M
$840.9M
Q3 24
$355.5M
$667.7M
Q2 24
$349.2M
$704.2M
Q1 24
$344.9M
$762.2M
Total Assets
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$520.4M
$1.2B
Q3 25
$499.9M
$1.2B
Q2 25
$500.1M
$1.2B
Q1 25
$524.0M
$1.2B
Q4 24
$510.8M
$1.2B
Q3 24
$502.8M
$985.3M
Q2 24
$499.6M
$987.4M
Q1 24
$511.6M
$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
HSTM
HSTM
ZLAB
ZLAB
Operating Cash FlowLast quarter
$13.2M
$-26.0M
Free Cash FlowOCF − Capex
$13.0M
$-26.7M
FCF MarginFCF / Revenue
16.3%
-21.0%
Capex IntensityCapex / Revenue
0.3%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$59.6M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$13.2M
$-26.0M
Q3 25
$18.0M
$-32.0M
Q2 25
$5.0M
$-31.0M
Q1 25
$27.1M
$-61.7M
Q4 24
$11.2M
$-55.8M
Q3 24
$19.1M
$-26.8M
Q2 24
$6.5M
$-42.2M
Q1 24
$20.9M
$-90.1M
Free Cash Flow
HSTM
HSTM
ZLAB
ZLAB
Q4 25
$13.0M
$-26.7M
Q3 25
$17.9M
$-35.0M
Q2 25
$2.7M
$-33.9M
Q1 25
$26.0M
$-63.2M
Q4 24
$11.0M
$-58.4M
Q3 24
$18.8M
$-28.2M
Q2 24
$6.3M
$-42.9M
Q1 24
$20.2M
$-91.1M
FCF Margin
HSTM
HSTM
ZLAB
ZLAB
Q4 25
16.3%
-21.0%
Q3 25
23.4%
-30.4%
Q2 25
3.6%
-31.1%
Q1 25
35.4%
-59.9%
Q4 24
14.8%
-53.8%
Q3 24
25.8%
-27.7%
Q2 24
8.8%
-42.9%
Q1 24
27.8%
-104.5%
Capex Intensity
HSTM
HSTM
ZLAB
ZLAB
Q4 25
0.3%
0.5%
Q3 25
0.1%
2.6%
Q2 25
3.1%
2.6%
Q1 25
1.4%
1.5%
Q4 24
0.3%
2.4%
Q3 24
0.4%
1.3%
Q2 24
0.2%
0.7%
Q1 24
1.0%
1.1%
Cash Conversion
HSTM
HSTM
ZLAB
ZLAB
Q4 25
Q3 25
2.96×
Q2 25
0.93×
Q1 25
6.25×
Q4 24
Q3 24
3.34×
Q2 24
1.55×
Q1 24
4.01×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HSTM
HSTM

Subscription Services$77.0M97%
Professional Services$2.7M3%

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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