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

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $184.3M, roughly 1.5× WW INTERNATIONAL, INC.). CALIX, INC runs the higher net margin — 4.0% vs -30.5%, a 34.5% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs -4.5%). WW INTERNATIONAL, INC. produced more free cash flow last quarter ($8.4M vs $6.5M). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs -7.4%).

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.

WW International, Inc., formerly Weight Watchers International, Inc., is a global company headquartered in the U.S. that offers weight loss and maintenance, fitness, and mindset services such as the Weight Watchers comprehensive diet program. Founded in 1963 by Queens, New York City homemaker Jean Nidetch, WW's program has three options as of 2019: online via its mobile app and website, coaching online or by phone, or in-person meetings.

CALX vs WW — Head-to-Head

Bigger by revenue
CALX
CALX
1.5× larger
CALX
$280.0M
$184.3M
WW
Growing faster (revenue YoY)
CALX
CALX
+31.6% gap
CALX
27.1%
-4.5%
WW
Higher net margin
CALX
CALX
34.5% more per $
CALX
4.0%
-30.5%
WW
More free cash flow
WW
WW
$1.9M more FCF
WW
$8.4M
$6.5M
CALX
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
-7.4%
WW

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
CALX
CALX
WW
WW
Revenue
$280.0M
$184.3M
Net Profit
$11.2M
$-56.3M
Gross Margin
56.9%
72.2%
Operating Margin
47.6%
5.8%
Net Margin
4.0%
-30.5%
Revenue YoY
27.1%
-4.5%
Net Profit YoY
-21.8%
EPS (diluted)
$0.16
$-5.63

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
WW
WW
Q1 26
$280.0M
Q4 25
$272.4M
Q3 25
$265.4M
$184.3M
Q2 25
$241.9M
Q1 25
$220.2M
$186.6M
Q4 24
$206.1M
$184.4M
Q3 24
$200.9M
$192.9M
Q2 24
$198.1M
$202.1M
Net Profit
CALX
CALX
WW
WW
Q1 26
$11.2M
Q4 25
$7.2M
Q3 25
$15.7M
$-56.3M
Q2 25
$-199.0K
Q1 25
$-4.8M
$-72.6M
Q4 24
$-17.9M
$25.1M
Q3 24
$-4.0M
$-46.2M
Q2 24
$-8.0M
$23.3M
Gross Margin
CALX
CALX
WW
WW
Q1 26
56.9%
Q4 25
57.7%
Q3 25
57.3%
72.2%
Q2 25
56.3%
Q1 25
55.7%
71.2%
Q4 24
55.0%
69.7%
Q3 24
54.8%
67.1%
Q2 24
54.3%
67.9%
Operating Margin
CALX
CALX
WW
WW
Q1 26
47.6%
Q4 25
3.4%
Q3 25
6.6%
5.8%
Q2 25
0.2%
Q1 25
-2.8%
-10.8%
Q4 24
-9.1%
19.6%
Q3 24
-5.4%
-20.2%
Q2 24
-5.7%
17.8%
Net Margin
CALX
CALX
WW
WW
Q1 26
4.0%
Q4 25
2.6%
Q3 25
5.9%
-30.5%
Q2 25
-0.1%
Q1 25
-2.2%
-38.9%
Q4 24
-8.7%
13.6%
Q3 24
-2.0%
-23.9%
Q2 24
-4.0%
11.5%
EPS (diluted)
CALX
CALX
WW
WW
Q1 26
$0.16
Q4 25
$0.11
Q3 25
$0.22
$-5.63
Q2 25
$0.00
Q1 25
$-0.07
$-0.91
Q4 24
$-0.27
$0.34
Q3 24
$-0.06
$-0.58
Q2 24
$-0.12
$0.29

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
WW
WW
Cash + ST InvestmentsLiquidity on hand
$54.6M
$170.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$738.0M
$323.0M
Total Assets
$968.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
WW
WW
Q1 26
$54.6M
Q4 25
$143.1M
Q3 25
$95.0M
$170.1M
Q2 25
$76.5M
Q1 25
$42.3M
$236.3M
Q4 24
$43.2M
$53.0M
Q3 24
$62.4M
$57.2M
Q2 24
$84.5M
$42.7M
Total Debt
CALX
CALX
WW
WW
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$1.4B
Q3 24
$1.4B
Q2 24
$1.4B
Stockholders' Equity
CALX
CALX
WW
WW
Q1 26
$738.0M
Q4 25
$859.2M
Q3 25
$822.5M
$323.0M
Q2 25
$772.7M
Q1 25
$767.2M
$-1.2B
Q4 24
$780.9M
$-1.1B
Q3 24
$778.7M
$-1.1B
Q2 24
$754.2M
$-1.1B
Total Assets
CALX
CALX
WW
WW
Q1 26
Q4 25
$1.1B
Q3 25
$976.4M
$968.8M
Q2 25
$921.4M
Q1 25
$917.1M
$696.9M
Q4 24
$939.3M
$550.3M
Q3 24
$937.5M
$562.4M
Q2 24
$917.9M
$614.3M

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
WW
WW
Operating Cash FlowLast quarter
$14.6M
$8.4M
Free Cash FlowOCF − Capex
$6.5M
$8.4M
FCF MarginFCF / Revenue
2.3%
4.6%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
1.31×
TTM Free Cash FlowTrailing 4 quarters
$109.1M
$44.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
WW
WW
Q1 26
$14.6M
Q4 25
$46.0M
Q3 25
$32.3M
$8.4M
Q2 25
$39.4M
Q1 25
$17.2M
$15.0M
Q4 24
$15.4M
$4.6M
Q3 24
$16.0M
$16.5M
Q2 24
$22.3M
$-1.9M
Free Cash Flow
CALX
CALX
WW
WW
Q1 26
$6.5M
Q4 25
$40.3M
Q3 25
$26.7M
$8.4M
Q2 25
$35.6M
Q1 25
$12.9M
$15.0M
Q4 24
$10.2M
$4.5M
Q3 24
$12.8M
$16.4M
Q2 24
$16.4M
$-2.2M
FCF Margin
CALX
CALX
WW
WW
Q1 26
2.3%
Q4 25
14.8%
Q3 25
10.1%
4.6%
Q2 25
14.7%
Q1 25
5.9%
8.0%
Q4 24
5.0%
2.4%
Q3 24
6.3%
8.5%
Q2 24
8.3%
-1.1%
Capex Intensity
CALX
CALX
WW
WW
Q1 26
Q4 25
2.1%
Q3 25
2.1%
0.0%
Q2 25
1.5%
Q1 25
2.0%
0.0%
Q4 24
2.5%
0.1%
Q3 24
1.6%
0.1%
Q2 24
3.0%
0.1%
Cash Conversion
CALX
CALX
WW
WW
Q1 26
1.31×
Q4 25
6.38×
Q3 25
2.06×
Q2 25
Q1 25
Q4 24
0.18×
Q3 24
Q2 24
-0.08×

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%

WW
WW

Segment breakdown not available.

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