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Side-by-side financial comparison of Spero Therapeutics, Inc. (SPRO) and Zepp Health Corp (ZEPP). Click either name above to swap in a different company.

Spero Therapeutics, Inc. is the larger business by last-quarter revenue ($12.6M vs $10.5M, roughly 1.2× Zepp Health Corp). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -2.1%, a 252.8% gap on every dollar of revenue. Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -7.9%).

Zepp Health Corp is a global digital health and smart wearable technology company. It develops and sells fitness trackers, smartwatches, and AI-powered health monitoring tools, serving individual consumers, sports teams, and healthcare providers across Asia, North America, and Europe, with core focus on wellness tracking and remote health management solutions.

SPRO vs ZEPP — Head-to-Head

Bigger by revenue
SPRO
SPRO
1.2× larger
SPRO
$12.6M
$10.5M
ZEPP
Higher net margin
SPRO
SPRO
252.8% more per $
SPRO
250.7%
-2.1%
ZEPP
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-7.9%
ZEPP

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
SPRO
SPRO
ZEPP
ZEPP
Revenue
$12.6M
$10.5M
Net Profit
$31.5M
$-223.0K
Gross Margin
38.2%
Operating Margin
-1.2%
Net Margin
250.7%
-2.1%
Revenue YoY
24080.8%
Net Profit YoY
250.9%
EPS (diluted)
$0.56
$-0.01

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
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$12.6M
Q3 25
$0
$10.5M
Q2 25
$0
$8.2M
Q1 25
$12.0K
$5.3M
Q4 24
$52.0K
Q3 24
$65.0K
$5.9M
Q2 24
$114.0K
$5.6M
Q1 24
$140.0K
$5.5M
Net Profit
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$31.5M
Q3 25
$-7.4M
$-223.0K
Q2 25
$-1.7M
$-1.1M
Q1 25
$-13.9M
$-2.7M
Q4 24
Q3 24
$-17.1M
$-1.8M
Q2 24
$-17.9M
$-1.5M
Q1 24
$-12.7M
$-2.0M
Gross Margin
SPRO
SPRO
ZEPP
ZEPP
Q4 25
Q3 25
38.2%
Q2 25
36.2%
Q1 25
37.3%
Q4 24
Q3 24
40.6%
Q2 24
40.3%
Q1 24
36.8%
Operating Margin
SPRO
SPRO
ZEPP
ZEPP
Q4 25
Q3 25
-1.2%
Q2 25
-10.3%
Q1 25
-122758.3%
-47.7%
Q4 24
Q3 24
-28604.6%
-29.5%
Q2 24
-16720.2%
-24.3%
Q1 24
-9987.1%
-39.6%
Net Margin
SPRO
SPRO
ZEPP
ZEPP
Q4 25
250.7%
Q3 25
-2.1%
Q2 25
-13.0%
Q1 25
-115550.0%
-51.2%
Q4 24
Q3 24
-26380.0%
-31.2%
Q2 24
-15668.4%
-26.7%
Q1 24
-9049.3%
-36.8%
EPS (diluted)
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$0.56
Q3 25
$-0.13
$-0.01
Q2 25
$-0.03
$-0.07
Q1 25
$-0.25
$-0.17
Q4 24
Q3 24
$-0.32
$-0.01
Q2 24
$-0.33
$-0.01
Q1 24
$-0.24
$-0.01

Balance Sheet & Financial Strength

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

Metric
SPRO
SPRO
ZEPP
ZEPP
Cash + ST InvestmentsLiquidity on hand
$40.3M
$8.7M
Total DebtLower is stronger
$9.6M
Stockholders' EquityBook value
$59.0M
$31.2M
Total Assets
$68.9M
$80.9M
Debt / EquityLower = less leverage
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$40.3M
Q3 25
$48.6M
$8.7M
Q2 25
$31.2M
$7.8M
Q1 25
$48.9M
$10.7M
Q4 24
$52.9M
Q3 24
$76.3M
$16.4M
Q2 24
$63.5M
$17.0M
Q1 24
$82.3M
$17.9M
Total Debt
SPRO
SPRO
ZEPP
ZEPP
Q4 25
Q3 25
$9.6M
Q2 25
$9.7M
Q1 25
$9.6M
Q4 24
Q3 24
$5.7M
Q2 24
$7.3M
Q1 24
$11.2M
Stockholders' Equity
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$59.0M
Q3 25
$26.5M
$31.2M
Q2 25
$32.8M
$31.1M
Q1 25
$33.8M
Q4 24
$46.1M
Q3 24
$65.5M
Q2 24
$80.5M
$44.6M
Q1 24
$96.2M
Total Assets
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$68.9M
Q3 25
$54.2M
$80.9M
Q2 25
$62.1M
$75.8M
Q1 25
$77.7M
$71.6M
Q4 24
$110.5M
Q3 24
$135.2M
$81.3M
Q2 24
$149.9M
$79.7M
Q1 24
$167.7M
$80.5M
Debt / Equity
SPRO
SPRO
ZEPP
ZEPP
Q4 25
Q3 25
0.31×
Q2 25
0.31×
Q1 25
Q4 24
Q3 24
Q2 24
0.16×
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
SPRO
SPRO
ZEPP
ZEPP
Operating Cash FlowLast quarter
$-8.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPRO
SPRO
ZEPP
ZEPP
Q4 25
$-8.4M
Q3 25
$17.4M
Q2 25
$-17.7M
Q1 25
$-4.0M
Q4 24
$-23.4M
Q3 24
$12.8M
Q2 24
$-18.7M
Q1 24
$5.9M
Cash Conversion
SPRO
SPRO
ZEPP
ZEPP
Q4 25
-0.26×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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