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

Mirum Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($148.9M vs $91.4M, roughly 1.6× Amplitude, Inc.). Mirum Pharmaceuticals, Inc. runs the higher net margin — -3.8% vs -19.3%, a 15.5% gap on every dollar of revenue. On growth, Mirum Pharmaceuticals, Inc. posted the faster year-over-year revenue change (49.8% vs 17.0%). Amplitude, Inc. produced more free cash flow last quarter ($12.7M vs $5.5M). Over the past eight quarters, Mirum Pharmaceuticals, Inc.'s revenue compounded faster (46.7% 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.

Mirum Pharmaceuticals, Inc. is a late-stage biopharmaceutical company focused on developing and commercializing innovative therapies for patients with rare, debilitating liver diseases that have high unmet medical needs, serving both pediatric and adult patient groups across North America, Europe and other global regions.

AMPL vs MIRM — Head-to-Head

Bigger by revenue
MIRM
MIRM
1.6× larger
MIRM
$148.9M
$91.4M
AMPL
Growing faster (revenue YoY)
MIRM
MIRM
+32.8% gap
MIRM
49.8%
17.0%
AMPL
Higher net margin
MIRM
MIRM
15.5% more per $
MIRM
-3.8%
-19.3%
AMPL
More free cash flow
AMPL
AMPL
$7.2M more FCF
AMPL
$12.7M
$5.5M
MIRM
Faster 2-yr revenue CAGR
MIRM
MIRM
Annualised
MIRM
46.7%
12.2%
AMPL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPL
AMPL
MIRM
MIRM
Revenue
$91.4M
$148.9M
Net Profit
$-17.7M
$-5.7M
Gross Margin
74.6%
Operating Margin
-18.3%
-3.1%
Net Margin
-19.3%
-3.8%
Revenue YoY
17.0%
49.8%
Net Profit YoY
45.8%
75.9%
EPS (diluted)
$-0.13
$-0.10

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
MIRM
MIRM
Q4 25
$91.4M
$148.9M
Q3 25
$88.6M
$133.0M
Q2 25
$83.3M
$127.8M
Q1 25
$80.0M
$111.6M
Q4 24
$78.1M
$99.4M
Q3 24
$75.2M
$90.4M
Q2 24
$73.3M
$77.9M
Q1 24
$72.6M
$69.2M
Net Profit
AMPL
AMPL
MIRM
MIRM
Q4 25
$-17.7M
$-5.7M
Q3 25
$-24.0M
$2.9M
Q2 25
$-24.7M
$-5.9M
Q1 25
$-22.2M
$-14.7M
Q4 24
$-32.6M
$-23.8M
Q3 24
$-16.9M
$-14.2M
Q2 24
$-23.4M
$-24.6M
Q1 24
$-21.5M
$-25.3M
Gross Margin
AMPL
AMPL
MIRM
MIRM
Q4 25
74.6%
Q3 25
73.9%
Q2 25
72.6%
Q1 25
74.7%
Q4 24
74.7%
Q3 24
75.1%
Q2 24
73.4%
Q1 24
74.0%
Operating Margin
AMPL
AMPL
MIRM
MIRM
Q4 25
-18.3%
-3.1%
Q3 25
-26.0%
2.0%
Q2 25
-29.0%
-3.9%
Q1 25
-26.8%
-13.6%
Q4 24
-41.2%
-24.4%
Q3 24
-21.4%
-14.0%
Q2 24
-31.7%
-31.1%
Q1 24
-29.0%
-38.2%
Net Margin
AMPL
AMPL
MIRM
MIRM
Q4 25
-19.3%
-3.8%
Q3 25
-27.1%
2.2%
Q2 25
-29.6%
-4.6%
Q1 25
-27.8%
-13.2%
Q4 24
-41.7%
-23.9%
Q3 24
-22.4%
-15.8%
Q2 24
-31.9%
-31.6%
Q1 24
-29.5%
-36.5%
EPS (diluted)
AMPL
AMPL
MIRM
MIRM
Q4 25
$-0.13
$-0.10
Q3 25
$-0.18
$0.05
Q2 25
$-0.19
$-0.12
Q1 25
$-0.17
$-0.30
Q4 24
$-0.25
$-0.49
Q3 24
$-0.14
$-0.30
Q2 24
$-0.19
$-0.52
Q1 24
$-0.18
$-0.54

Balance Sheet & Financial Strength

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

Metric
AMPL
AMPL
MIRM
MIRM
Cash + ST InvestmentsLiquidity on hand
$192.0M
$383.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$245.3M
$314.7M
Total Assets
$420.7M
$842.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPL
AMPL
MIRM
MIRM
Q4 25
$192.0M
$383.3M
Q3 25
$189.2M
$375.5M
Q2 25
$208.1M
$304.6M
Q1 25
$209.0M
$277.7M
Q4 24
$241.1M
$280.3M
Q3 24
$319.9M
$284.4M
Q2 24
$318.3M
$278.4M
Q1 24
$316.1M
$302.8M
Stockholders' Equity
AMPL
AMPL
MIRM
MIRM
Q4 25
$245.3M
$314.7M
Q3 25
$262.2M
$292.0M
Q2 25
$279.5M
$255.2M
Q1 25
$289.5M
$233.3M
Q4 24
$296.6M
$225.6M
Q3 24
$290.0M
$232.0M
Q2 24
$287.3M
$229.0M
Q1 24
$289.2M
$234.6M
Total Assets
AMPL
AMPL
MIRM
MIRM
Q4 25
$420.7M
$842.8M
Q3 25
$438.1M
$785.1M
Q2 25
$456.6M
$725.8M
Q1 25
$445.8M
$690.2M
Q4 24
$445.9M
$670.8M
Q3 24
$445.6M
$667.9M
Q2 24
$445.4M
$660.8M
Q1 24
$437.9M
$652.0M

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
MIRM
MIRM
Operating Cash FlowLast quarter
$12.8M
$6.1M
Free Cash FlowOCF − Capex
$12.7M
$5.5M
FCF MarginFCF / Revenue
13.8%
3.7%
Capex IntensityCapex / Revenue
0.2%
0.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.2M
$54.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPL
AMPL
MIRM
MIRM
Q4 25
$12.8M
$6.1M
Q3 25
$5.0M
$39.7M
Q2 25
$20.1M
$12.0M
Q1 25
$-8.0M
$-2.0M
Q4 24
$3.2M
$-5.1M
Q3 24
$6.2M
$4.0M
Q2 24
$9.2M
$-3.8M
Q1 24
$-48.0K
$15.2M
Free Cash Flow
AMPL
AMPL
MIRM
MIRM
Q4 25
$12.7M
$5.5M
Q3 25
$4.5M
$39.5M
Q2 25
$19.5M
$11.9M
Q1 25
$-8.5M
$-2.0M
Q4 24
$2.4M
$-5.1M
Q3 24
$6.2M
$3.8M
Q2 24
$8.6M
$-4.6M
Q1 24
$-405.0K
$15.2M
FCF Margin
AMPL
AMPL
MIRM
MIRM
Q4 25
13.8%
3.7%
Q3 25
5.1%
29.7%
Q2 25
23.4%
9.3%
Q1 25
-10.6%
-1.8%
Q4 24
3.1%
-5.1%
Q3 24
8.2%
4.2%
Q2 24
11.8%
-5.9%
Q1 24
-0.6%
22.0%
Capex Intensity
AMPL
AMPL
MIRM
MIRM
Q4 25
0.2%
0.4%
Q3 25
0.5%
0.1%
Q2 25
0.6%
0.1%
Q1 25
0.5%
0.0%
Q4 24
1.0%
0.0%
Q3 24
0.0%
0.2%
Q2 24
0.8%
1.0%
Q1 24
0.5%
0.0%
Cash Conversion
AMPL
AMPL
MIRM
MIRM
Q4 25
Q3 25
13.66×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 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%

MIRM
MIRM

Livmarli$106.4M71%
Bile Acid Medicines$42.5M29%

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