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Side-by-side financial comparison of Amplitude, Inc. (AMPL) and ARDELYX, INC. (ARDX). Click either name above to swap in a different company.

ARDELYX, INC. is the larger business by last-quarter revenue ($125.2M vs $91.4M, roughly 1.4× Amplitude, Inc.). On growth, Amplitude, Inc. posted the faster year-over-year revenue change (17.0% vs 7.8%). Over the past eight quarters, ARDELYX, INC.'s revenue compounded faster (30.8% CAGR vs 12.2%).

Amplitude is an American publicly traded company that develops digital analytics software. The company was listed publicly on the Nasdaq stock exchange under the ticker symbol AMPL on September 28, 2021.

Ardelyx, Inc. is a commercial-stage biopharmaceutical firm developing and commercializing innovative therapies for gastrointestinal, cardiorenal and metabolic diseases with high unmet medical needs. Its lead product is approved in the US for irritable bowel syndrome with constipation, and it holds a robust pipeline of early and late-stage drug candidates.

AMPL vs ARDX — Head-to-Head

Bigger by revenue
ARDX
ARDX
1.4× larger
ARDX
$125.2M
$91.4M
AMPL
Growing faster (revenue YoY)
AMPL
AMPL
+9.2% gap
AMPL
17.0%
7.8%
ARDX
Faster 2-yr revenue CAGR
ARDX
ARDX
Annualised
ARDX
30.8%
12.2%
AMPL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPL
AMPL
ARDX
ARDX
Revenue
$91.4M
$125.2M
Net Profit
$-17.7M
Gross Margin
74.6%
Operating Margin
-18.3%
Net Margin
-19.3%
Revenue YoY
17.0%
7.8%
Net Profit YoY
45.8%
EPS (diluted)
$-0.13
$0.00

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
AMPL
AMPL
ARDX
ARDX
Q1 26
$125.2M
Q4 25
$91.4M
$125.2M
Q3 25
$88.6M
$110.3M
Q2 25
$83.3M
$97.7M
Q1 25
$80.0M
$74.1M
Q4 24
$78.1M
$116.1M
Q3 24
$75.2M
$98.2M
Q2 24
$73.3M
$73.2M
Net Profit
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
$-17.7M
$-407.0K
Q3 25
$-24.0M
$-969.0K
Q2 25
$-24.7M
$-19.1M
Q1 25
$-22.2M
$-41.1M
Q4 24
$-32.6M
$4.6M
Q3 24
$-16.9M
$-809.0K
Q2 24
$-23.4M
$-16.5M
Gross Margin
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
74.6%
91.3%
Q3 25
73.9%
96.4%
Q2 25
72.6%
87.3%
Q1 25
74.7%
83.4%
Q4 24
74.7%
84.3%
Q3 24
75.1%
84.0%
Q2 24
73.4%
87.1%
Operating Margin
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
-18.3%
4.1%
Q3 25
-26.0%
4.2%
Q2 25
-29.0%
-14.7%
Q1 25
-26.8%
-49.0%
Q4 24
-41.2%
7.0%
Q3 24
-21.4%
2.3%
Q2 24
-31.7%
-18.6%
Net Margin
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
-19.3%
-0.3%
Q3 25
-27.1%
-0.9%
Q2 25
-29.6%
-19.5%
Q1 25
-27.8%
-55.5%
Q4 24
-41.7%
4.0%
Q3 24
-22.4%
-0.8%
Q2 24
-31.9%
-22.5%
EPS (diluted)
AMPL
AMPL
ARDX
ARDX
Q1 26
$0.00
Q4 25
$-0.13
$-0.01
Q3 25
$-0.18
$0.00
Q2 25
$-0.19
$-0.08
Q1 25
$-0.17
$-0.17
Q4 24
$-0.25
$0.01
Q3 24
$-0.14
$0.00
Q2 24
$-0.19
$-0.07

Balance Sheet & Financial Strength

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

Metric
AMPL
AMPL
ARDX
ARDX
Cash + ST InvestmentsLiquidity on hand
$192.0M
$264.7M
Total DebtLower is stronger
$202.8M
Stockholders' EquityBook value
$245.3M
$166.9M
Total Assets
$420.7M
$501.6M
Debt / EquityLower = less leverage
1.21×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPL
AMPL
ARDX
ARDX
Q1 26
$264.7M
Q4 25
$192.0M
$68.0M
Q3 25
$189.2M
$42.7M
Q2 25
$208.1M
$90.0M
Q1 25
$209.0M
$30.8M
Q4 24
$241.1M
$64.9M
Q3 24
$319.9M
$47.4M
Q2 24
$318.3M
$41.9M
Total Debt
AMPL
AMPL
ARDX
ARDX
Q1 26
$202.8M
Q4 25
$202.8M
Q3 25
$202.1M
Q2 25
$201.4M
Q1 25
$151.3M
Q4 24
$150.9M
Q3 24
$100.7M
Q2 24
$100.2M
Stockholders' Equity
AMPL
AMPL
ARDX
ARDX
Q1 26
$166.9M
Q4 25
$245.3M
$166.9M
Q3 25
$262.2M
$154.3M
Q2 25
$279.5M
$139.5M
Q1 25
$289.5M
$145.7M
Q4 24
$296.6M
$173.3M
Q3 24
$290.0M
$158.3M
Q2 24
$287.3M
$147.0M
Total Assets
AMPL
AMPL
ARDX
ARDX
Q1 26
$501.6M
Q4 25
$420.7M
$501.6M
Q3 25
$438.1M
$486.2M
Q2 25
$456.6M
$466.8M
Q1 25
$445.8M
$410.2M
Q4 24
$445.9M
$435.8M
Q3 24
$445.6M
$367.9M
Q2 24
$445.4M
$343.5M
Debt / Equity
AMPL
AMPL
ARDX
ARDX
Q1 26
1.21×
Q4 25
1.21×
Q3 25
1.31×
Q2 25
1.44×
Q1 25
1.04×
Q4 24
0.87×
Q3 24
0.64×
Q2 24
0.68×

Cash Flow & Capital Efficiency

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

Metric
AMPL
AMPL
ARDX
ARDX
Operating Cash FlowLast quarter
$12.8M
Free Cash FlowOCF − Capex
$12.7M
FCF MarginFCF / Revenue
13.8%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
$12.8M
$21.0M
Q3 25
$5.0M
$365.0K
Q2 25
$20.1M
$-25.3M
Q1 25
$-8.0M
$-38.5M
Q4 24
$3.2M
$9.8M
Q3 24
$6.2M
$501.0K
Q2 24
$9.2M
$-19.4M
Free Cash Flow
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
$12.7M
$20.6M
Q3 25
$4.5M
$209.0K
Q2 25
$19.5M
$-26.0M
Q1 25
$-8.5M
$-38.8M
Q4 24
$2.4M
$9.2M
Q3 24
$6.2M
$364.0K
Q2 24
$8.6M
$-19.5M
FCF Margin
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
13.8%
16.4%
Q3 25
5.1%
0.2%
Q2 25
23.4%
-26.6%
Q1 25
-10.6%
-52.3%
Q4 24
3.1%
7.9%
Q3 24
8.2%
0.4%
Q2 24
11.8%
-26.7%
Capex Intensity
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
0.2%
0.3%
Q3 25
0.5%
0.1%
Q2 25
0.6%
0.7%
Q1 25
0.5%
0.4%
Q4 24
1.0%
0.5%
Q3 24
0.0%
0.1%
Q2 24
0.8%
0.2%
Cash Conversion
AMPL
AMPL
ARDX
ARDX
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
2.11×
Q3 24
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPL
AMPL

US$55.8M61%
International$35.7M39%

ARDX
ARDX

IBSRELA$86.6M69%
XPHOZAH$27.8M22%
Product supply revenue$9.4M8%
Non-cash royalty revenue related to the sale of future royalties$1.4M1%
Licensing revenue$23.0K0%

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