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Side-by-side financial comparison of Spire Global, Inc. (SPIR) and SUTRO BIOPHARMA, INC. (STRO). Click either name above to swap in a different company.

Spire Global, Inc. is the larger business by last-quarter revenue ($15.8M vs $11.6M, roughly 1.4× SUTRO BIOPHARMA, INC.). On growth, SUTRO BIOPHARMA, INC. posted the faster year-over-year revenue change (-21.4% vs -26.9%). Over the past eight quarters, SUTRO BIOPHARMA, INC.'s revenue compounded faster (-5.4% CAGR vs -32.6%).

Spire Global, Inc. is a space-to-cloud data and analytics company that specializes in the tracking of global data sets powered by a large constellation of nanosatellites, such as the tracking of maritime, aviation and weather patterns.

Sutro Biopharma, Inc. is a publicly traded biotechnology company headquartered in South San Francisco, California focused on clinical-stage drug discovery, development and manufacturing. Using a proprietary cell-free protein synthesis platform, Sutro is working on oncology therapeutics using protein engineering and rational design. Founded in 2003 under the name Fundamental Applied Biology, the company name changed to Sutro Biopharma in 2009. William Newell, CEO as of 2024, joined Sutro in Ja...

SPIR vs STRO — Head-to-Head

Bigger by revenue
SPIR
SPIR
1.4× larger
SPIR
$15.8M
$11.6M
STRO
Growing faster (revenue YoY)
STRO
STRO
+5.6% gap
STRO
-21.4%
-26.9%
SPIR
Faster 2-yr revenue CAGR
STRO
STRO
Annualised
STRO
-5.4%
-32.6%
SPIR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPIR
SPIR
STRO
STRO
Revenue
$15.8M
$11.6M
Net Profit
$-28.0M
Gross Margin
40.2%
Operating Margin
-164.1%
Net Margin
-176.6%
Revenue YoY
-26.9%
-21.4%
Net Profit YoY
42.7%
35.4%
EPS (diluted)
$-0.85

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
SPIR
SPIR
STRO
STRO
Q4 25
$15.8M
$11.6M
Q3 25
$12.7M
$9.7M
Q2 25
$19.2M
$63.7M
Q1 25
$23.9M
$17.4M
Q4 24
$21.7M
$14.8M
Q3 24
$28.6M
$8.5M
Q2 24
$25.4M
$25.7M
Q1 24
$34.8M
$13.0M
Net Profit
SPIR
SPIR
STRO
STRO
Q4 25
$-28.0M
Q3 25
$-19.7M
$-56.9M
Q2 25
$119.6M
$-11.5M
Q1 25
$-20.7M
$-76.0M
Q4 24
$-48.8M
$-72.4M
Q3 24
$-12.5M
$-48.8M
Q2 24
$-16.6M
$-48.0M
Q1 24
$-25.5M
$-58.2M
Gross Margin
SPIR
SPIR
STRO
STRO
Q4 25
40.2%
Q3 25
36.6%
Q2 25
48.9%
Q1 25
36.8%
Q4 24
32.4%
Q3 24
44.5%
Q2 24
43.0%
Q1 24
26.5%
Operating Margin
SPIR
SPIR
STRO
STRO
Q4 25
-164.1%
Q3 25
-166.1%
-499.9%
Q2 25
-122.7%
-5.2%
Q1 25
-106.5%
-393.8%
Q4 24
-144.1%
-440.7%
Q3 24
-48.0%
-797.2%
Q2 24
-48.6%
-189.4%
Q1 24
-34.4%
-435.0%
Net Margin
SPIR
SPIR
STRO
STRO
Q4 25
-176.6%
Q3 25
-155.3%
-586.6%
Q2 25
623.4%
-18.0%
Q1 25
-86.5%
-436.6%
Q4 24
-225.2%
-489.2%
Q3 24
-43.7%
-572.6%
Q2 24
-65.2%
-186.8%
Q1 24
-73.3%
-447.5%
EPS (diluted)
SPIR
SPIR
STRO
STRO
Q4 25
$-0.85
Q3 25
$-0.61
$-0.67
Q2 25
$3.72
$-0.14
Q1 25
$-0.77
$-0.91
Q4 24
$-1.93
$-27.63
Q3 24
$-0.50
$-0.59
Q2 24
$-0.68
$-0.59
Q1 24
$-1.17
$-0.59

Balance Sheet & Financial Strength

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

Metric
SPIR
SPIR
STRO
STRO
Cash + ST InvestmentsLiquidity on hand
$81.8M
$141.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$112.9M
$-132.5M
Total Assets
$211.0M
$173.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPIR
SPIR
STRO
STRO
Q4 25
$81.8M
$141.4M
Q3 25
$96.8M
$167.6M
Q2 25
$117.6M
$205.1M
Q1 25
$35.9M
$249.0M
Q4 24
$19.2M
$316.9M
Q3 24
$36.6M
$388.3M
Q2 24
$45.8M
$375.6M
Q1 24
$63.7M
$267.6M
Total Debt
SPIR
SPIR
STRO
STRO
Q4 25
Q3 25
Q2 25
Q1 25
$103.7M
Q4 24
$103.1M
Q3 24
$4.9M
Q2 24
$4.9M
Q1 24
$123.1M
Stockholders' Equity
SPIR
SPIR
STRO
STRO
Q4 25
$112.9M
$-132.5M
Q3 25
$133.1M
$-87.3M
Q2 25
$149.2M
$-32.1M
Q1 25
$3.7M
$-25.8M
Q4 24
$-11.7M
$44.6M
Q3 24
$30.8M
$111.2M
Q2 24
$40.3M
$152.2M
Q1 24
$52.5M
$98.0M
Total Assets
SPIR
SPIR
STRO
STRO
Q4 25
$211.0M
$173.8M
Q3 25
$224.3M
$209.7M
Q2 25
$239.5M
$262.4M
Q1 25
$208.8M
$321.4M
Q4 24
$193.6M
$387.2M
Q3 24
$224.2M
$451.8M
Q2 24
$230.8M
$489.0M
Q1 24
$252.3M
$403.4M
Debt / Equity
SPIR
SPIR
STRO
STRO
Q4 25
Q3 25
Q2 25
Q1 25
27.92×
Q4 24
Q3 24
0.16×
Q2 24
0.12×
Q1 24
2.35×

Cash Flow & Capital Efficiency

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

Metric
SPIR
SPIR
STRO
STRO
Operating Cash FlowLast quarter
$-4.3M
$-177.2M
Free Cash FlowOCF − Capex
$-16.2M
FCF MarginFCF / Revenue
-102.1%
Capex IntensityCapex / Revenue
75.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-92.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPIR
SPIR
STRO
STRO
Q4 25
$-4.3M
$-177.2M
Q3 25
$-12.0M
$-38.2M
Q2 25
$-35.1M
$-44.7M
Q1 25
$-8.4M
$-67.9M
Q4 24
$-19.2M
$-71.7M
Q3 24
$14.0M
$-64.5M
Q2 24
$-4.4M
$9.5M
Q1 24
$-8.8M
$-64.7M
Free Cash Flow
SPIR
SPIR
STRO
STRO
Q4 25
$-16.2M
Q3 25
$-20.4M
Q2 25
$-38.7M
Q1 25
$-17.3M
Q4 24
$-24.3M
Q3 24
$5.1M
Q2 24
$-9.9M
Q1 24
$-15.9M
FCF Margin
SPIR
SPIR
STRO
STRO
Q4 25
-102.1%
Q3 25
-161.3%
Q2 25
-201.7%
Q1 25
-72.6%
Q4 24
-112.2%
Q3 24
17.8%
Q2 24
-39.0%
Q1 24
-45.7%
Capex Intensity
SPIR
SPIR
STRO
STRO
Q4 25
75.1%
Q3 25
66.2%
Q2 25
18.8%
Q1 25
37.3%
Q4 24
23.5%
Q3 24
31.2%
Q2 24
21.8%
Q1 24
20.3%
Cash Conversion
SPIR
SPIR
STRO
STRO
Q4 25
Q3 25
Q2 25
-0.29×
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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