vs

Side-by-side financial comparison of QUANTUM CORP (QMCO) 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 $74.6M, roughly 1.7× QUANTUM CORP). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 2.8%). QUANTUM CORP produced more free cash flow last quarter ($-5.6M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 2.1%).

Quantum Corporation is a data storage, management, and protection company that provides technology to store, manage, archive, and protect video and unstructured data throughout the data life cycle. Their products are used by enterprises, media and entertainment companies, government agencies, data companies, and life science organizations. Quantum is headquartered in San Jose, California and has offices around the world.

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.

QMCO vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.7× larger
ZLAB
$127.1M
$74.6M
QMCO
Growing faster (revenue YoY)
ZLAB
ZLAB
+14.3% gap
ZLAB
17.1%
2.8%
QMCO
More free cash flow
QMCO
QMCO
$21.1M more FCF
QMCO
$-5.6M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
2.1%
QMCO

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
QMCO
QMCO
ZLAB
ZLAB
Revenue
$74.6M
$127.1M
Net Profit
$-27.8M
Gross Margin
38.8%
51.0%
Operating Margin
-1.6%
-54.6%
Net Margin
-37.3%
Revenue YoY
2.8%
17.1%
Net Profit YoY
61.0%
EPS (diluted)
$-2.03
$-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
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$74.6M
$127.1M
Q3 25
$62.7M
$115.4M
Q2 25
$64.3M
$109.1M
Q1 25
$61.3M
$105.7M
Q4 24
$68.7M
$108.5M
Q3 24
$71.8M
$101.8M
Q2 24
$72.3M
$100.1M
Q1 24
$71.5M
$87.1M
Net Profit
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$-27.8M
Q3 25
$-46.5M
$-36.0M
Q2 25
$-17.2M
$-40.7M
Q1 25
$-7.7M
$-48.4M
Q4 24
$-75.3M
Q3 24
$-12.2M
$-41.7M
Q2 24
$-19.9M
$-80.3M
Q1 24
$-18.9M
$-53.5M
Gross Margin
QMCO
QMCO
ZLAB
ZLAB
Q4 25
38.8%
51.0%
Q3 25
37.6%
59.5%
Q2 25
35.3%
60.6%
Q1 25
39.6%
63.6%
Q4 24
40.6%
61.5%
Q3 24
42.7%
64.1%
Q2 24
37.4%
64.9%
Q1 24
38.2%
61.4%
Operating Margin
QMCO
QMCO
ZLAB
ZLAB
Q4 25
-1.6%
-54.6%
Q3 25
-13.0%
-42.3%
Q2 25
-19.6%
-50.3%
Q1 25
-18.9%
-53.3%
Q4 24
-11.3%
-62.6%
Q3 24
-7.7%
-66.6%
Q2 24
-23.3%
-76.0%
Q1 24
-19.3%
-80.7%
Net Margin
QMCO
QMCO
ZLAB
ZLAB
Q4 25
-37.3%
Q3 25
-74.1%
-31.2%
Q2 25
-26.8%
-37.3%
Q1 25
-12.6%
-45.8%
Q4 24
-109.6%
Q3 24
-16.9%
-40.9%
Q2 24
-27.5%
-80.2%
Q1 24
-26.5%
-61.4%
EPS (diluted)
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$-2.03
$-0.05
Q3 25
$-3.49
$-0.03
Q2 25
$-1.87
$-0.04
Q1 25
$-0.31
$-0.04
Q4 24
$-15.35
$-0.09
Q3 24
$-2.54
$-0.04
Q2 24
$-4.15
$-0.08
Q1 24
$-5.80
$-0.05

Balance Sheet & Financial Strength

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

Metric
QMCO
QMCO
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$13.2M
$689.6M
Total DebtLower is stronger
$75.9M
Stockholders' EquityBook value
$-184.2M
$715.5M
Total Assets
$149.3M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$13.2M
$689.6M
Q3 25
$14.7M
$717.2M
Q2 25
$37.4M
$732.2M
Q1 25
$16.5M
$757.3M
Q4 24
$20.4M
$779.7M
Q3 24
$16.7M
$616.1M
Q2 24
$17.3M
$630.0M
Q1 24
$25.7M
$650.8M
Total Debt
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$75.9M
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$123.0M
Q2 24
$100.9M
Q1 24
$0
Stockholders' Equity
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$-184.2M
$715.5M
Q3 25
$-160.5M
$759.9M
Q2 25
$-114.4M
$791.7M
Q1 25
$-164.4M
$810.8M
Q4 24
$-196.6M
$840.9M
Q3 24
$-151.1M
$667.7M
Q2 24
$-140.3M
$704.2M
Q1 24
$-121.5M
$762.2M
Total Assets
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$149.3M
$1.2B
Q3 25
$137.7M
$1.2B
Q2 25
$169.2M
$1.2B
Q1 25
$155.4M
$1.2B
Q4 24
$168.1M
$1.2B
Q3 24
$163.1M
$985.3M
Q2 24
$173.1M
$987.4M
Q1 24
$187.6M
$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
QMCO
QMCO
ZLAB
ZLAB
Operating Cash FlowLast quarter
$-4.9M
$-26.0M
Free Cash FlowOCF − Capex
$-5.6M
$-26.7M
FCF MarginFCF / Revenue
-7.5%
-21.0%
Capex IntensityCapex / Revenue
0.9%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-43.6M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$-4.9M
$-26.0M
Q3 25
$-15.6M
$-32.0M
Q2 25
$-16.9M
$-31.0M
Q1 25
$-3.3M
$-61.7M
Q4 24
$-3.2M
$-55.8M
Q3 24
$-15.3M
$-26.8M
Q2 24
$-1.9M
$-42.2M
Q1 24
$10.6M
$-90.1M
Free Cash Flow
QMCO
QMCO
ZLAB
ZLAB
Q4 25
$-5.6M
$-26.7M
Q3 25
$-16.0M
$-35.0M
Q2 25
$-18.1M
$-33.9M
Q1 25
$-3.9M
$-63.2M
Q4 24
$-4.2M
$-58.4M
Q3 24
$-16.9M
$-28.2M
Q2 24
$-3.5M
$-42.9M
Q1 24
$9.7M
$-91.1M
FCF Margin
QMCO
QMCO
ZLAB
ZLAB
Q4 25
-7.5%
-21.0%
Q3 25
-25.5%
-30.4%
Q2 25
-28.1%
-31.1%
Q1 25
-6.4%
-59.9%
Q4 24
-6.2%
-53.8%
Q3 24
-23.5%
-27.7%
Q2 24
-4.9%
-42.9%
Q1 24
13.6%
-104.5%
Capex Intensity
QMCO
QMCO
ZLAB
ZLAB
Q4 25
0.9%
0.5%
Q3 25
0.7%
2.6%
Q2 25
1.9%
2.6%
Q1 25
1.0%
1.5%
Q4 24
1.6%
2.4%
Q3 24
2.2%
1.3%
Q2 24
2.2%
0.7%
Q1 24
1.2%
1.1%

Financial Flow Comparison

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

Revenue Breakdown by Segment

QMCO
QMCO

Secondary Storage Systems$30.6M41%
Service And Subscriptions$26.5M36%
Primary Storage Systems$10.1M14%
Subscriptions$4.4M6%
Royalty$1.6M2%

ZLAB
ZLAB

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

Related Comparisons