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

iRhythm Holdings, Inc. is the larger business by last-quarter revenue ($208.9M vs $184.3M, roughly 1.1× WW INTERNATIONAL, INC.). iRhythm Holdings, Inc. runs the higher net margin — 2.7% vs -30.5%, a 33.2% gap on every dollar of revenue. On growth, iRhythm Holdings, Inc. posted the faster year-over-year revenue change (27.1% vs -4.5%). iRhythm Holdings, Inc. produced more free cash flow last quarter ($14.5M vs $8.4M). Over the past eight quarters, iRhythm Holdings, Inc.'s revenue compounded faster (25.8% CAGR vs -7.4%).

iRhythm Holdings is a digital healthcare company focused on cardiac care, developing and commercializing wearable ambulatory heart monitoring devices paired with AI-powered analytical tools. It primarily serves healthcare providers and patients across the United States, helping to detect undiagnosed arrhythmias such as atrial fibrillation through convenient long-term heart rhythm tracking that delivers actionable clinical insights.

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.

IRTC vs WW — Head-to-Head

Bigger by revenue
IRTC
IRTC
1.1× larger
IRTC
$208.9M
$184.3M
WW
Growing faster (revenue YoY)
IRTC
IRTC
+31.6% gap
IRTC
27.1%
-4.5%
WW
Higher net margin
IRTC
IRTC
33.2% more per $
IRTC
2.7%
-30.5%
WW
More free cash flow
IRTC
IRTC
$6.1M more FCF
IRTC
$14.5M
$8.4M
WW
Faster 2-yr revenue CAGR
IRTC
IRTC
Annualised
IRTC
25.8%
-7.4%
WW

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
IRTC
IRTC
WW
WW
Revenue
$208.9M
$184.3M
Net Profit
$5.6M
$-56.3M
Gross Margin
70.9%
72.2%
Operating Margin
1.1%
5.8%
Net Margin
2.7%
-30.5%
Revenue YoY
27.1%
-4.5%
Net Profit YoY
518.5%
-21.8%
EPS (diluted)
$0.18
$-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
IRTC
IRTC
WW
WW
Q4 25
$208.9M
Q3 25
$192.9M
$184.3M
Q2 25
$186.7M
Q1 25
$158.7M
$186.6M
Q4 24
$164.3M
$184.4M
Q3 24
$147.5M
$192.9M
Q2 24
$148.0M
$202.1M
Q1 24
$131.9M
$206.5M
Net Profit
IRTC
IRTC
WW
WW
Q4 25
$5.6M
Q3 25
$-5.2M
$-56.3M
Q2 25
$-14.2M
Q1 25
$-30.7M
$-72.6M
Q4 24
$-1.3M
$25.1M
Q3 24
$-46.2M
$-46.2M
Q2 24
$-20.1M
$23.3M
Q1 24
$-45.7M
$-347.9M
Gross Margin
IRTC
IRTC
WW
WW
Q4 25
70.9%
Q3 25
71.1%
72.2%
Q2 25
71.2%
Q1 25
68.8%
71.2%
Q4 24
70.0%
69.7%
Q3 24
68.8%
67.1%
Q2 24
69.9%
67.9%
Q1 24
66.3%
66.7%
Operating Margin
IRTC
IRTC
WW
WW
Q4 25
1.1%
Q3 25
-4.4%
5.8%
Q2 25
-10.0%
Q1 25
-20.5%
-10.8%
Q4 24
-2.5%
19.6%
Q3 24
-34.1%
-20.2%
Q2 24
-15.5%
17.8%
Q1 24
-28.9%
-130.4%
Net Margin
IRTC
IRTC
WW
WW
Q4 25
2.7%
Q3 25
-2.7%
-30.5%
Q2 25
-7.6%
Q1 25
-19.3%
-38.9%
Q4 24
-0.8%
13.6%
Q3 24
-31.3%
-23.9%
Q2 24
-13.6%
11.5%
Q1 24
-34.6%
-168.4%
EPS (diluted)
IRTC
IRTC
WW
WW
Q4 25
$0.18
Q3 25
$-0.16
$-5.63
Q2 25
$-0.44
Q1 25
$-0.97
$-0.91
Q4 24
$-0.03
$0.34
Q3 24
$-1.48
$-0.58
Q2 24
$-0.65
$0.29
Q1 24
$-1.47
$-4.39

Balance Sheet & Financial Strength

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

Metric
IRTC
IRTC
WW
WW
Cash + ST InvestmentsLiquidity on hand
$583.8M
$170.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$152.7M
$323.0M
Total Assets
$1.0B
$968.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRTC
IRTC
WW
WW
Q4 25
$583.8M
Q3 25
$565.2M
$170.1M
Q2 25
$545.5M
Q1 25
$520.6M
$236.3M
Q4 24
$535.6M
$53.0M
Q3 24
$522.0M
$57.2M
Q2 24
$561.5M
$42.7M
Q1 24
$569.1M
$66.6M
Total Debt
IRTC
IRTC
WW
WW
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$1.4B
Q3 24
$1.4B
Q2 24
$1.4B
Q1 24
$1.4B
Stockholders' Equity
IRTC
IRTC
WW
WW
Q4 25
$152.7M
Q3 25
$121.9M
$323.0M
Q2 25
$103.7M
Q1 25
$86.7M
$-1.2B
Q4 24
$90.9M
$-1.1B
Q3 24
$71.8M
$-1.1B
Q2 24
$99.2M
$-1.1B
Q1 24
$90.3M
$-1.1B
Total Assets
IRTC
IRTC
WW
WW
Q4 25
$1.0B
Q3 25
$995.2M
$968.8M
Q2 25
$964.0M
Q1 25
$926.1M
$696.9M
Q4 24
$931.4M
$550.3M
Q3 24
$909.7M
$562.4M
Q2 24
$919.2M
$614.3M
Q1 24
$909.8M
$654.2M

Cash Flow & Capital Efficiency

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

Metric
IRTC
IRTC
WW
WW
Operating Cash FlowLast quarter
$26.2M
$8.4M
Free Cash FlowOCF − Capex
$14.5M
$8.4M
FCF MarginFCF / Revenue
6.9%
4.6%
Capex IntensityCapex / Revenue
5.6%
0.0%
Cash ConversionOCF / Net Profit
4.70×
TTM Free Cash FlowTrailing 4 quarters
$34.5M
$44.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRTC
IRTC
WW
WW
Q4 25
$26.2M
Q3 25
$34.9M
$8.4M
Q2 25
$27.7M
Q1 25
$-7.9M
$15.0M
Q4 24
$19.2M
$4.6M
Q3 24
$24.3M
$16.5M
Q2 24
$11.8M
$-1.9M
Q1 24
$-52.0M
$-36.0M
Free Cash Flow
IRTC
IRTC
WW
WW
Q4 25
$14.5M
Q3 25
$20.1M
$8.4M
Q2 25
$17.3M
Q1 25
$-17.3M
$15.0M
Q4 24
$12.4M
$4.5M
Q3 24
$15.5M
$16.4M
Q2 24
$3.4M
$-2.2M
Q1 24
$-61.8M
$-36.5M
FCF Margin
IRTC
IRTC
WW
WW
Q4 25
6.9%
Q3 25
10.4%
4.6%
Q2 25
9.3%
Q1 25
-10.9%
8.0%
Q4 24
7.5%
2.4%
Q3 24
10.5%
8.5%
Q2 24
2.3%
-1.1%
Q1 24
-46.8%
-17.7%
Capex Intensity
IRTC
IRTC
WW
WW
Q4 25
5.6%
Q3 25
7.7%
0.0%
Q2 25
5.6%
Q1 25
5.9%
0.0%
Q4 24
4.2%
0.1%
Q3 24
6.0%
0.1%
Q2 24
5.7%
0.1%
Q1 24
7.4%
0.2%
Cash Conversion
IRTC
IRTC
WW
WW
Q4 25
4.70×
Q3 25
Q2 25
Q1 25
Q4 24
0.18×
Q3 24
Q2 24
-0.08×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

IRTC
IRTC

Commercial Payors$111.7M53%
Centers For Medicare And Medicaid$49.2M24%
Healthcare Institutions$34.3M16%
Non Contracted Third Party Payors$13.7M7%

WW
WW

Segment breakdown not available.

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