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Side-by-side financial comparison of Amprius Technologies, Inc. (AMPX) and Amarin Corp plc (AMRN). Click either name above to swap in a different company.

Amarin Corp plc is the larger business by last-quarter revenue ($45.1M vs $25.2M, roughly 1.8× Amprius Technologies, Inc.). Amarin Corp plc runs the higher net margin — -23.3% vs -96.7%, a 73.4% gap on every dollar of revenue. On growth, Amprius Technologies, Inc. posted the faster year-over-year revenue change (137.4% vs 7.0%). Over the past eight quarters, Amprius Technologies, Inc.'s revenue compounded faster (228.7% CAGR vs -18.3%).

Amprius Technologies, Inc. develops and manufactures high-energy density lithium-ion batteries using proprietary silicon anode technology. It serves aerospace, defense, electric mobility, and portable electronics segments, offering products with longer runtime and faster charging than conventional alternatives.

Amarin Corporation is an Irish-American biopharmaceutical company founded in 1993 and headquartered in Dublin, Ireland and Bridgewater, New Jersey. The company develops and markets medicines for the treatment of cardiovascular disease. It has developed the drug Vascepa (AMR-101), a prescription grade omega-3 fatty acid.

AMPX vs AMRN — Head-to-Head

Bigger by revenue
AMRN
AMRN
1.8× larger
AMRN
$45.1M
$25.2M
AMPX
Growing faster (revenue YoY)
AMPX
AMPX
+130.4% gap
AMPX
137.4%
7.0%
AMRN
Higher net margin
AMRN
AMRN
73.4% more per $
AMRN
-23.3%
-96.7%
AMPX
Faster 2-yr revenue CAGR
AMPX
AMPX
Annualised
AMPX
228.7%
-18.3%
AMRN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPX
AMPX
AMRN
AMRN
Revenue
$25.2M
$45.1M
Net Profit
$-24.4M
$-10.5M
Gross Margin
23.6%
Operating Margin
-100.9%
35.5%
Net Margin
-96.7%
-23.3%
Revenue YoY
137.4%
7.0%
Net Profit YoY
-113.6%
33.0%
EPS (diluted)
$-0.19

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
AMPX
AMPX
AMRN
AMRN
Q1 26
$45.1M
Q4 25
$25.2M
$49.2M
Q3 25
$21.4M
$49.7M
Q2 25
$15.1M
$72.7M
Q1 25
$11.3M
$42.0M
Q4 24
$10.6M
$62.3M
Q3 24
$7.9M
$42.3M
Q2 24
$3.3M
$67.5M
Net Profit
AMPX
AMPX
AMRN
AMRN
Q1 26
$-10.5M
Q4 25
$-24.4M
$-1.2M
Q3 25
$-3.9M
$-7.7M
Q2 25
$-6.4M
$-14.1M
Q1 25
$-9.4M
$-15.7M
Q4 24
$-11.4M
$-48.6M
Q3 24
$-10.8M
$-25.1M
Q2 24
$-12.5M
$1.5M
Gross Margin
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
23.6%
47.1%
Q3 25
15.5%
44.7%
Q2 25
8.9%
69.2%
Q1 25
-20.9%
59.8%
Q4 24
-21.2%
-15.4%
Q3 24
-64.9%
38.5%
Q2 24
-195.2%
63.4%
Operating Margin
AMPX
AMPX
AMRN
AMRN
Q1 26
35.5%
Q4 25
-100.9%
-12.9%
Q3 25
-21.9%
-22.4%
Q2 25
-45.2%
-22.0%
Q1 25
-85.7%
-39.9%
Q4 24
-110.6%
-84.3%
Q3 24
-143.3%
-59.5%
Q2 24
-386.6%
-0.8%
Net Margin
AMPX
AMPX
AMRN
AMRN
Q1 26
-23.3%
Q4 25
-96.7%
-2.5%
Q3 25
-18.2%
-15.6%
Q2 25
-42.3%
-19.4%
Q1 25
-83.0%
-37.4%
Q4 24
-107.4%
-78.0%
Q3 24
-138.1%
-59.4%
Q2 24
-374.2%
2.3%
EPS (diluted)
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
$-0.19
$0.00
Q3 25
$-0.03
$-0.02
Q2 25
$-0.05
$-0.03
Q1 25
$-0.08
$-0.04
Q4 24
$-0.11
$-0.12
Q3 24
$-0.10
$-0.06
Q2 24
$-0.13
$0.00

Balance Sheet & Financial Strength

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

Metric
AMPX
AMPX
AMRN
AMRN
Cash + ST InvestmentsLiquidity on hand
$90.5M
$307.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$103.8M
Total Assets
$156.9M
$645.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPX
AMPX
AMRN
AMRN
Q1 26
$307.8M
Q4 25
$90.5M
$302.6M
Q3 25
$73.2M
$286.6M
Q2 25
$54.2M
$298.7M
Q1 25
$48.4M
$281.8M
Q4 24
$55.2M
$294.2M
Q3 24
$35.0M
$305.7M
Q2 24
$46.4M
$306.7M
Stockholders' Equity
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
$103.8M
$459.3M
Q3 25
$103.2M
$458.9M
Q2 25
$76.7M
$464.9M
Q1 25
$70.4M
$473.7M
Q4 24
$69.5M
$486.2M
Q3 24
$56.0M
$531.4M
Q2 24
$65.1M
$551.9M
Total Assets
AMPX
AMPX
AMRN
AMRN
Q1 26
$645.8M
Q4 25
$156.9M
$670.8M
Q3 25
$156.5M
$659.8M
Q2 25
$123.0M
$670.1M
Q1 25
$118.5M
$655.7M
Q4 24
$121.1M
$685.3M
Q3 24
$104.2M
$750.6M
Q2 24
$112.8M
$799.9M

Cash Flow & Capital Efficiency

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

Metric
AMPX
AMPX
AMRN
AMRN
Operating Cash FlowLast quarter
$-3.5M
Free Cash FlowOCF − Capex
$-5.9M
FCF MarginFCF / Revenue
-23.2%
Capex IntensityCapex / Revenue
9.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-35.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
$-3.5M
$15.3M
Q3 25
$-9.2M
$-12.7M
Q2 25
$-4.3M
$16.6M
Q1 25
$-14.1M
$-12.5M
Q4 24
$-6.1M
$-13.3M
Q3 24
$-9.5M
$-2.4M
Q2 24
$-8.0M
$-2.7M
Free Cash Flow
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
$-5.9M
Q3 25
$-9.7M
Q2 25
$-5.0M
Q1 25
$-15.0M
Q4 24
$-9.7M
Q3 24
$-10.9M
Q2 24
$-9.6M
FCF Margin
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
-23.2%
Q3 25
-45.1%
Q2 25
-33.1%
Q1 25
-133.3%
Q4 24
-91.4%
Q3 24
-138.3%
Q2 24
-285.9%
Capex Intensity
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
9.3%
Q3 25
1.9%
Q2 25
4.8%
Q1 25
8.1%
Q4 24
34.1%
Q3 24
17.0%
Q2 24
48.0%
Cash Conversion
AMPX
AMPX
AMRN
AMRN
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
-1.81×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPX
AMPX

Segment breakdown not available.

AMRN
AMRN

U.S$35.6M79%
Europe$4.9M11%
Rest-of-World (ROW)$2.8M6%
Licensing & Royalties$1.8M4%

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