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

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $15.8M, roughly 17.7× Spire Global, Inc.). CALIX, INC runs the higher net margin — 4.0% vs -176.6%, a 180.6% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs -26.9%). CALIX, INC produced more free cash flow last quarter ($6.5M vs $-16.2M). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs -32.6%).

Calix, Inc. is a telecommunications company that specializes in providing software platforms, systems, and services to support the delivery of broadband services. The company was founded in 1999 and is headquartered in San Jose, California.

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.

CALX vs SPIR — Head-to-Head

Bigger by revenue
CALX
CALX
17.7× larger
CALX
$280.0M
$15.8M
SPIR
Growing faster (revenue YoY)
CALX
CALX
+54.1% gap
CALX
27.1%
-26.9%
SPIR
Higher net margin
CALX
CALX
180.6% more per $
CALX
4.0%
-176.6%
SPIR
More free cash flow
CALX
CALX
$22.7M more FCF
CALX
$6.5M
$-16.2M
SPIR
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
-32.6%
SPIR

Income Statement — Q1 2026 vs Q4 2025

Metric
CALX
CALX
SPIR
SPIR
Revenue
$280.0M
$15.8M
Net Profit
$11.2M
$-28.0M
Gross Margin
56.9%
40.2%
Operating Margin
-164.1%
Net Margin
4.0%
-176.6%
Revenue YoY
27.1%
-26.9%
Net Profit YoY
334.2%
42.7%
EPS (diluted)
$0.16
$-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
CALX
CALX
SPIR
SPIR
Q1 26
$280.0M
Q4 25
$272.4M
$15.8M
Q3 25
$265.4M
$12.7M
Q2 25
$241.9M
$19.2M
Q1 25
$220.2M
$23.9M
Q4 24
$206.1M
$21.7M
Q3 24
$200.9M
$28.6M
Q2 24
$198.1M
$25.4M
Net Profit
CALX
CALX
SPIR
SPIR
Q1 26
$11.2M
Q4 25
$7.2M
$-28.0M
Q3 25
$15.7M
$-19.7M
Q2 25
$-199.0K
$119.6M
Q1 25
$-4.8M
$-20.7M
Q4 24
$-17.9M
$-48.8M
Q3 24
$-4.0M
$-12.5M
Q2 24
$-8.0M
$-16.6M
Gross Margin
CALX
CALX
SPIR
SPIR
Q1 26
56.9%
Q4 25
57.7%
40.2%
Q3 25
57.3%
36.6%
Q2 25
56.3%
48.9%
Q1 25
55.7%
36.8%
Q4 24
55.0%
32.4%
Q3 24
54.8%
44.5%
Q2 24
54.3%
43.0%
Operating Margin
CALX
CALX
SPIR
SPIR
Q1 26
Q4 25
3.4%
-164.1%
Q3 25
6.6%
-166.1%
Q2 25
0.2%
-122.7%
Q1 25
-2.8%
-106.5%
Q4 24
-9.1%
-144.1%
Q3 24
-5.4%
-48.0%
Q2 24
-5.7%
-48.6%
Net Margin
CALX
CALX
SPIR
SPIR
Q1 26
4.0%
Q4 25
2.6%
-176.6%
Q3 25
5.9%
-155.3%
Q2 25
-0.1%
623.4%
Q1 25
-2.2%
-86.5%
Q4 24
-8.7%
-225.2%
Q3 24
-2.0%
-43.7%
Q2 24
-4.0%
-65.2%
EPS (diluted)
CALX
CALX
SPIR
SPIR
Q1 26
$0.16
Q4 25
$0.11
$-0.85
Q3 25
$0.22
$-0.61
Q2 25
$0.00
$3.72
Q1 25
$-0.07
$-0.77
Q4 24
$-0.27
$-1.93
Q3 24
$-0.06
$-0.50
Q2 24
$-0.12
$-0.68

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
SPIR
SPIR
Cash + ST InvestmentsLiquidity on hand
$54.6M
$81.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$738.0M
$112.9M
Total Assets
$211.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
SPIR
SPIR
Q1 26
$54.6M
Q4 25
$143.1M
$81.8M
Q3 25
$95.0M
$96.8M
Q2 25
$76.5M
$117.6M
Q1 25
$42.3M
$35.9M
Q4 24
$43.2M
$19.2M
Q3 24
$62.4M
$36.6M
Q2 24
$84.5M
$45.8M
Total Debt
CALX
CALX
SPIR
SPIR
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
$103.7M
Q4 24
$103.1M
Q3 24
$4.9M
Q2 24
$4.9M
Stockholders' Equity
CALX
CALX
SPIR
SPIR
Q1 26
$738.0M
Q4 25
$859.2M
$112.9M
Q3 25
$822.5M
$133.1M
Q2 25
$772.7M
$149.2M
Q1 25
$767.2M
$3.7M
Q4 24
$780.9M
$-11.7M
Q3 24
$778.7M
$30.8M
Q2 24
$754.2M
$40.3M
Total Assets
CALX
CALX
SPIR
SPIR
Q1 26
Q4 25
$1.1B
$211.0M
Q3 25
$976.4M
$224.3M
Q2 25
$921.4M
$239.5M
Q1 25
$917.1M
$208.8M
Q4 24
$939.3M
$193.6M
Q3 24
$937.5M
$224.2M
Q2 24
$917.9M
$230.8M
Debt / Equity
CALX
CALX
SPIR
SPIR
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
27.92×
Q4 24
Q3 24
0.16×
Q2 24
0.12×

Cash Flow & Capital Efficiency

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

Metric
CALX
CALX
SPIR
SPIR
Operating Cash FlowLast quarter
$14.6M
$-4.3M
Free Cash FlowOCF − Capex
$6.5M
$-16.2M
FCF MarginFCF / Revenue
2.3%
-102.1%
Capex IntensityCapex / Revenue
75.1%
Cash ConversionOCF / Net Profit
1.31×
TTM Free Cash FlowTrailing 4 quarters
$109.1M
$-92.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
SPIR
SPIR
Q1 26
$14.6M
Q4 25
$46.0M
$-4.3M
Q3 25
$32.3M
$-12.0M
Q2 25
$39.4M
$-35.1M
Q1 25
$17.2M
$-8.4M
Q4 24
$15.4M
$-19.2M
Q3 24
$16.0M
$14.0M
Q2 24
$22.3M
$-4.4M
Free Cash Flow
CALX
CALX
SPIR
SPIR
Q1 26
$6.5M
Q4 25
$40.3M
$-16.2M
Q3 25
$26.7M
$-20.4M
Q2 25
$35.6M
$-38.7M
Q1 25
$12.9M
$-17.3M
Q4 24
$10.2M
$-24.3M
Q3 24
$12.8M
$5.1M
Q2 24
$16.4M
$-9.9M
FCF Margin
CALX
CALX
SPIR
SPIR
Q1 26
2.3%
Q4 25
14.8%
-102.1%
Q3 25
10.1%
-161.3%
Q2 25
14.7%
-201.7%
Q1 25
5.9%
-72.6%
Q4 24
5.0%
-112.2%
Q3 24
6.3%
17.8%
Q2 24
8.3%
-39.0%
Capex Intensity
CALX
CALX
SPIR
SPIR
Q1 26
Q4 25
2.1%
75.1%
Q3 25
2.1%
66.2%
Q2 25
1.5%
18.8%
Q1 25
2.0%
37.3%
Q4 24
2.5%
23.5%
Q3 24
1.6%
31.2%
Q2 24
3.0%
21.8%
Cash Conversion
CALX
CALX
SPIR
SPIR
Q1 26
1.31×
Q4 25
6.38×
Q3 25
2.06×
Q2 25
-0.29×
Q1 25
Q4 24
Q3 24
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CALX
CALX

Appliance$232.8M83%
Software and service$47.1M17%

SPIR
SPIR

Segment breakdown not available.

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