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Side-by-side financial comparison of Amprius Technologies, Inc. (AMPX) and Polestar Automotive Holding UK PLC (PSNY). Click either name above to swap in a different company.

Polestar Automotive Holding UK PLC is the larger business by last-quarter revenue ($685.2M vs $25.2M, roughly 27.2× Amprius Technologies, Inc.). Polestar Automotive Holding UK PLC runs the higher net margin — -44.4% vs -96.7%, a 52.3% gap on every dollar of revenue. Amprius Technologies, Inc. produced more free cash flow last quarter ($-5.9M vs $-709.7M).

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.

Polestar Automotive Holding UK PLC, or simply Polestar, is a Swedish automotive manufacturer that produces electric cars. Principally owned by Li Shufu's PSD Investment, Geely Holding and Volvo Cars, the company is headquartered in Torslanda, outside Gothenburg, Sweden. With an "asset-light" approach in development and manufacturing, Polestar does not have its own manufacturing facility; instead it produces cars in facilities controlled by Volvo or Geely in several countries, including China,...

AMPX vs PSNY — Head-to-Head

Bigger by revenue
PSNY
PSNY
27.2× larger
PSNY
$685.2M
$25.2M
AMPX
Higher net margin
PSNY
PSNY
52.3% more per $
PSNY
-44.4%
-96.7%
AMPX
More free cash flow
AMPX
AMPX
$703.8M more FCF
AMPX
$-5.9M
$-709.7M
PSNY

Income Statement — Q4 FY2025 vs Q2 FY2023

Metric
AMPX
AMPX
PSNY
PSNY
Revenue
$25.2M
$685.2M
Net Profit
$-24.4M
$-304.1M
Gross Margin
23.6%
-0.1%
Operating Margin
-100.9%
-72.6%
Net Margin
-96.7%
-44.4%
Revenue YoY
137.4%
Net Profit YoY
-113.6%
EPS (diluted)
$-0.19
$-0.14

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
PSNY
PSNY
Q4 25
$25.2M
Q3 25
$21.4M
Q2 25
$15.1M
Q1 25
$11.3M
Q4 24
$10.6M
Q3 24
$7.9M
Q2 24
$3.3M
Q1 24
$2.3M
Net Profit
AMPX
AMPX
PSNY
PSNY
Q4 25
$-24.4M
Q3 25
$-3.9M
Q2 25
$-6.4M
Q1 25
$-9.4M
Q4 24
$-11.4M
Q3 24
$-10.8M
Q2 24
$-12.5M
Q1 24
$-9.9M
Gross Margin
AMPX
AMPX
PSNY
PSNY
Q4 25
23.6%
Q3 25
15.5%
Q2 25
8.9%
Q1 25
-20.9%
Q4 24
-21.2%
Q3 24
-64.9%
Q2 24
-195.2%
Q1 24
Operating Margin
AMPX
AMPX
PSNY
PSNY
Q4 25
-100.9%
Q3 25
-21.9%
Q2 25
-45.2%
Q1 25
-85.7%
Q4 24
-110.6%
Q3 24
-143.3%
Q2 24
-386.6%
Q1 24
-441.7%
Net Margin
AMPX
AMPX
PSNY
PSNY
Q4 25
-96.7%
Q3 25
-18.2%
Q2 25
-42.3%
Q1 25
-83.0%
Q4 24
-107.4%
Q3 24
-138.1%
Q2 24
-374.2%
Q1 24
-423.2%
EPS (diluted)
AMPX
AMPX
PSNY
PSNY
Q4 25
$-0.19
Q3 25
$-0.03
Q2 25
$-0.05
Q1 25
$-0.08
Q4 24
$-0.11
Q3 24
$-0.10
Q2 24
$-0.13
Q1 24
$-0.11

Balance Sheet & Financial Strength

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

Metric
AMPX
AMPX
PSNY
PSNY
Cash + ST InvestmentsLiquidity on hand
$90.5M
$1.1B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$103.8M
$-456.3M
Total Assets
$156.9M
$4.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPX
AMPX
PSNY
PSNY
Q4 25
$90.5M
Q3 25
$73.2M
Q2 25
$54.2M
Q1 25
$48.4M
Q4 24
$55.2M
Q3 24
$35.0M
Q2 24
$46.4M
Q1 24
$39.0M
Stockholders' Equity
AMPX
AMPX
PSNY
PSNY
Q4 25
$103.8M
Q3 25
$103.2M
Q2 25
$76.7M
Q1 25
$70.4M
Q4 24
$69.5M
Q3 24
$56.0M
Q2 24
$65.1M
Q1 24
$59.9M
Total Assets
AMPX
AMPX
PSNY
PSNY
Q4 25
$156.9M
Q3 25
$156.5M
Q2 25
$123.0M
Q1 25
$118.5M
Q4 24
$121.1M
Q3 24
$104.2M
Q2 24
$112.8M
Q1 24
$104.7M

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
PSNY
PSNY
Operating Cash FlowLast quarter
$-3.5M
$-666.7M
Free Cash FlowOCF − Capex
$-5.9M
$-709.7M
FCF MarginFCF / Revenue
-23.2%
-103.6%
Capex IntensityCapex / Revenue
9.3%
6.3%
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
PSNY
PSNY
Q4 25
$-3.5M
Q3 25
$-9.2M
Q2 25
$-4.3M
Q1 25
$-14.1M
Q4 24
$-6.1M
Q3 24
$-9.5M
Q2 24
$-8.0M
Q1 24
$-9.8M
Free Cash Flow
AMPX
AMPX
PSNY
PSNY
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
Q1 24
$-13.7M
FCF Margin
AMPX
AMPX
PSNY
PSNY
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%
Q1 24
-585.4%
Capex Intensity
AMPX
AMPX
PSNY
PSNY
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%
Q1 24
166.8%

Financial Flow Comparison

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

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