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Side-by-side financial comparison of NPK International Inc. (NPKI) 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 $75.2M, roughly 1.7× NPK International Inc.). On growth, NPK International Inc. posted the faster year-over-year revenue change (30.7% vs 17.1%). NPK International Inc. produced more free cash flow last quarter ($5.8M vs $-26.7M). Over the past eight quarters, NPK International Inc.'s revenue compounded faster (23.9% CAGR vs 20.8%).

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.

NPKI vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.7× larger
ZLAB
$127.1M
$75.2M
NPKI
Growing faster (revenue YoY)
NPKI
NPKI
+13.6% gap
NPKI
30.7%
17.1%
ZLAB
More free cash flow
NPKI
NPKI
$32.5M more FCF
NPKI
$5.8M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
NPKI
NPKI
Annualised
NPKI
23.9%
20.8%
ZLAB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NPKI
NPKI
ZLAB
ZLAB
Revenue
$75.2M
$127.1M
Net Profit
Gross Margin
37.7%
51.0%
Operating Margin
16.7%
-54.6%
Net Margin
Revenue YoY
30.7%
17.1%
Net Profit YoY
EPS (diluted)
$0.17
$-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
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$75.2M
$127.1M
Q3 25
$68.8M
$115.4M
Q2 25
$68.2M
$109.1M
Q1 25
$64.8M
$105.7M
Q4 24
$57.5M
$108.5M
Q3 24
$44.2M
$101.8M
Q2 24
$66.8M
$100.1M
Q1 24
$49.0M
$87.1M
Net Profit
NPKI
NPKI
ZLAB
ZLAB
Q4 25
Q3 25
$5.7M
$-36.0M
Q2 25
$8.7M
$-40.7M
Q1 25
$10.0M
$-48.4M
Q4 24
Q3 24
$-174.3M
$-41.7M
Q2 24
$8.0M
$-80.3M
Q1 24
$7.3M
$-53.5M
Gross Margin
NPKI
NPKI
ZLAB
ZLAB
Q4 25
37.7%
51.0%
Q3 25
31.9%
59.5%
Q2 25
36.9%
60.6%
Q1 25
39.0%
63.6%
Q4 24
39.2%
61.5%
Q3 24
27.5%
64.1%
Q2 24
37.2%
64.9%
Q1 24
36.0%
61.4%
Operating Margin
NPKI
NPKI
ZLAB
ZLAB
Q4 25
16.7%
-54.6%
Q3 25
13.2%
-42.3%
Q2 25
17.0%
-50.3%
Q1 25
20.9%
-53.3%
Q4 24
20.2%
-62.6%
Q3 24
2.8%
-66.6%
Q2 24
18.7%
-76.0%
Q1 24
14.2%
-80.7%
Net Margin
NPKI
NPKI
ZLAB
ZLAB
Q4 25
Q3 25
8.2%
-31.2%
Q2 25
12.7%
-37.3%
Q1 25
15.4%
-45.8%
Q4 24
Q3 24
-394.3%
-40.9%
Q2 24
12.0%
-80.2%
Q1 24
14.9%
-61.4%
EPS (diluted)
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$0.17
$-0.05
Q3 25
$0.07
$-0.03
Q2 25
$0.10
$-0.04
Q1 25
$0.11
$-0.04
Q4 24
$0.10
$-0.09
Q3 24
$-1.99
$-0.04
Q2 24
$0.09
$-0.08
Q1 24
$0.08
$-0.05

Balance Sheet & Financial Strength

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

Metric
NPKI
NPKI
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$5.1M
$689.6M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$351.2M
$715.5M
Total Assets
$441.8M
$1.2B
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$5.1M
$689.6M
Q3 25
$35.6M
$717.2M
Q2 25
$26.0M
$732.2M
Q1 25
$20.8M
$757.3M
Q4 24
$17.8M
$779.7M
Q3 24
$42.9M
$616.1M
Q2 24
$35.1M
$630.0M
Q1 24
$37.7M
$650.8M
Total Debt
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$16.9M
Q3 25
$9.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$351.2M
$715.5M
Q3 25
$333.9M
$759.9M
Q2 25
$328.8M
$791.7M
Q1 25
$326.9M
$810.8M
Q4 24
$326.5M
$840.9M
Q3 24
$316.5M
$667.7M
Q2 24
$426.6M
$704.2M
Q1 24
$421.6M
$762.2M
Total Assets
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$441.8M
$1.2B
Q3 25
$404.5M
$1.2B
Q2 25
$393.7M
$1.2B
Q1 25
$390.0M
$1.2B
Q4 24
$393.7M
$1.2B
Q3 24
$389.6M
$985.3M
Q2 24
$624.8M
$987.4M
Q1 24
$640.8M
$988.4M
Debt / Equity
NPKI
NPKI
ZLAB
ZLAB
Q4 25
0.05×
Q3 25
0.03×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.04×
Q2 24
0.14×
Q1 24
0.18×

Cash Flow & Capital Efficiency

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

Metric
NPKI
NPKI
ZLAB
ZLAB
Operating Cash FlowLast quarter
$18.0M
$-26.0M
Free Cash FlowOCF − Capex
$5.8M
$-26.7M
FCF MarginFCF / Revenue
7.6%
-21.0%
Capex IntensityCapex / Revenue
16.3%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$26.3M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$18.0M
$-26.0M
Q3 25
$24.7M
$-32.0M
Q2 25
$21.4M
$-31.0M
Q1 25
$8.8M
$-61.7M
Q4 24
$-4.1M
$-55.8M
Q3 24
$2.8M
$-26.8M
Q2 24
$27.6M
$-42.2M
Q1 24
$11.9M
$-90.1M
Free Cash Flow
NPKI
NPKI
ZLAB
ZLAB
Q4 25
$5.8M
$-26.7M
Q3 25
$12.0M
$-35.0M
Q2 25
$9.7M
$-33.9M
Q1 25
$-1.2M
$-63.2M
Q4 24
$-17.7M
$-58.4M
Q3 24
$-6.7M
$-28.2M
Q2 24
$21.0M
$-42.9M
Q1 24
$-1.9M
$-91.1M
FCF Margin
NPKI
NPKI
ZLAB
ZLAB
Q4 25
7.6%
-21.0%
Q3 25
17.4%
-30.4%
Q2 25
14.3%
-31.1%
Q1 25
-1.8%
-59.9%
Q4 24
-30.8%
-53.8%
Q3 24
-15.2%
-27.7%
Q2 24
31.4%
-42.9%
Q1 24
-3.9%
-104.5%
Capex Intensity
NPKI
NPKI
ZLAB
ZLAB
Q4 25
16.3%
0.5%
Q3 25
18.5%
2.6%
Q2 25
17.1%
2.6%
Q1 25
15.5%
1.5%
Q4 24
23.6%
2.4%
Q3 24
21.4%
1.3%
Q2 24
9.9%
0.7%
Q1 24
28.3%
1.1%
Cash Conversion
NPKI
NPKI
ZLAB
ZLAB
Q4 25
Q3 25
4.37×
Q2 25
2.47×
Q1 25
0.88×
Q4 24
Q3 24
Q2 24
3.43×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NPKI
NPKI

Rental Revenue$34.8M46%
Products$25.5M34%
Services$14.9M20%

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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