One-glance verdict
Not enough data
Fair value unavailable
Not enough cash-flow history to value this one with our method.
Fundamentals snapshot
Amprius Technologies, Inc.
AMPX · NYQ · Industrials · Electrical Equipment & Parts
Current price
$9.75
52-week range
$7.71 - $24.23
Market cap
$1.42B
Balance sheet
Healthy
-1,438.88x Concerning
Net cash $68.14M. Interest coverage shows how many times profit covers the interest bill.
What stands out
1 Reward
2 Risks
1 rewards · 2 risks
- Reward Revenue grew 49.6% last year.
- Risk Return on equity was -36.1% last year — the company lost money on shareholders' equity.
- Risk Insider ownership is only 4.4% (peer median: 13.3%).
What this company does
Amprius Technologies, Inc.
Amprius Technologies makes advanced lithium-ion batteries using a special silicon material that allows them to hold more power and be lighter. The company mainly sells these batteries for things that fly, like drones and specialized satellites, which need long-lasting power without the extra weight. This is important because as the use of advanced aircraft grows, so could the demand for the company's unique batteries.
How the company got here
Amprius was founded in 2008, spinning out of research from Stanford University to create a new kind of battery. [2, 9] For many years, the company focused on research and development, figuring out how to commercialize its unique battery technology. [2] It began making its first significant sales around 2018 and became a publicly traded company on the New York Stock Exchange in 2022 to raise money for growth. [3] This transition marked a shift from being a research-focused startup to a company scaling up its manufacturing to meet customer demand. [2]
What it actually does
Amprius makes very powerful and lightweight lithium-ion batteries, the same basic technology that powers your phone and laptop, but with a key difference. [5, 17] Instead of using the standard material (graphite) in a key part of the battery called the anode, Amprius uses silicon. [9, 14] This special silicon anode allows their batteries to hold much more energy without being bigger or heavier, which is a huge advantage for electric-powered machines that fly. [7] Their products are primarily sold to companies that make things like advanced drones, high-altitude balloons, and other electric aircraft where reducing weight and extending flight time is critical. [2, 17]
SiMaxx Product Line
This is the company's top-performing and highest-energy product line, designed for the most demanding customers. [2] Think of it as the premium offering for applications where performance is more important than cost, such as in specialized aviation and defense drones. [2] Customers who buy these batteries are typically original equipment manufacturers (companies that make a final product) who need the longest possible flight times or the ability to carry heavier equipment. [2] This was the company's initial focus and helped prove its technology in real-world, mission-critical situations. [2]
SiCore Product Line
This is a newer and broader product line designed to offer a better balance between high performance and cost, making it suitable for larger markets. [2, 10] While still offering a big energy boost over standard batteries, SiCore products are intended for a wider range of electric mobility, such as electric motorcycles and scooters. [10, 13, 14] This represents a key part of the company's strategy to move beyond niche markets and into higher-volume commercial applications. [2] By offering a more cost-effective option, Amprius can sell to a wider variety of customers who want better battery performance for their products. [2]
What management is betting on now
The company's main focus is on dramatically increasing its ability to produce batteries at a large scale. [2, 24] To do this without spending huge amounts on factories, they are using a 'capital-light' approach by partnering with existing battery manufacturers (contract manufacturers) in Asia and the United States to produce their cells. [2, 19, 25] They are also pushing to broaden their customer base beyond aviation by targeting the light electric vehicle market with their SiCore products. [2, 19] Finally, management is establishing a U.S.-based supply chain (the network of companies that get a product from raw material to the customer) to better serve its American defense and aerospace customers and meet government requirements. [2, 31]
Price history
How the share price has moved
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Loading price history…
Earnings history
Last 8 quarters — what happened
Click any quarter to read the call summary and what the numbers say.
FY2024 Q3
$-10.86M
FY2024 Q4
$-9.71M
FY2025 Q1
$-15.04M
FY2025 Q2
$-4.98M
FY2025 Q3
$-9.66M
FY2025 Q4
$-5.85M
FY2026 Q1
$-38.26M
FY2026 Q2
$-4.67M
Revenue
$34.03M
Net income
$-3.15M
Diluted EPS
-0.04
Operating cash flow
$-2.85M
Free cash flow
$-4.67M
Fetching…
Sources
Revenue
$28.54M
Net income
$-5.05M
Diluted EPS
-0.04
Operating cash flow
$-37.27M
Free cash flow
$-38.26M
Fetching…
Sources
Revenue
$25.23M
Net income
$-24.39M
Diluted EPS
-0.19
Operating cash flow
$-3.50M
Free cash flow
$-5.85M
Fetching…
Sources
Revenue
$21.43M
Net income
$-3.89M
Diluted EPS
-0.03
Operating cash flow
$-9.25M
Free cash flow
$-9.66M
Fetching…
Sources
Revenue
$15.07M
Net income
$-6.37M
Diluted EPS
-0.05
Operating cash flow
$-4.26M
Free cash flow
$-4.98M
Fetching…
Sources
Revenue
$11.28M
Net income
$-9.37M
Diluted EPS
-0.08
Operating cash flow
$-14.13M
Free cash flow
$-15.04M
Fetching…
Sources
Revenue
$10.63M
Net income
$-11.42M
Diluted EPS
-0.11
Operating cash flow
$-6.08M
Free cash flow
$-9.71M
Fetching…
Sources
Revenue
$7.86M
Net income
$-10.85M
Diluted EPS
-0.10
Operating cash flow
$-9.53M
Free cash flow
$-10.86M
Fetching…
Sources
Is it cheap or expensive?
Fair value — vs current price $9.75
We couldn't calculate a fair value right now.
Is it drowning in debt?
Healthy
Net cash $68.1M - more cash than debt. Interest coverage -1438.9x.
Net debt
$-68.14M
Interest coverage
-1,438.88x
Amprius Technologies, Inc.'s profit covers its interest bill about 0.0 times over. which is weaker than most peers shown here and 4 peers sit below 1x, which is the danger zone where profit does not fully cover the interest bill.
Healthy
Worse cushion
Baseline
Better cushion
AMPX
BASELINE
Amprius Technologies, Inc.
Total debt $6.38M Interest coverage -1,438.88x This is the baseline the peer rows are being compared against.
Total debt $541.72M Interest coverage -8.21x Neither company has much profit cushion over interest right now.
Total debt $67.12M Interest coverage -231.78x Neither company has much profit cushion over interest right now.
Total debt $7.71M Interest coverage -4,033.28x Neither company has much profit cushion over interest right now.
Total debt $7.14M Interest coverage -8.85x Neither company has much profit cushion over interest right now.
Total debt $193.04M Interest coverage 2.27x This peer still has a real interest-payment cushion, while AMPX does not.
What you should know
The case for and against AMPX
1 Reward
2 Risks
Rewards
-
Revenue grew 49.6% last year.
Risks
-
Return on equity was -36.1% last year — the company lost money on shareholders' equity.
-
Insider ownership is only 4.4% (peer median: 13.3%).
The numbers
All the key metrics, grouped by purpose
Tap any ? icon to learn what it means.
Valuation
How expensive the stock looks
P/E (TTM)
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Forward P/E
97.50x
P/B
11.34x
P/S
13.04x
EV/EBITDA
-92.22x
PEG ratio
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Profitability
How much profit each dollar creates
Gross margin
22.3%
Operating margin
-12.6%
Net margin
-33.4%
ROE
-36.1%
ROA
-8.6%
Health
Liquidity and balance-sheet strength
Debt / equity
0.05x
Current ratio
7.17x
Quick ratio
6.28x
Total debt
$6.38M
Total cash
$74.52M
Growth
How the business has been compounding
Revenue TTM
$109.23M
Revenue 5Y CAGR
154.9%
EPS TTM
-0.29
EPS 5Y CAGR
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Cash flow
How much cash the business throws off
Operating CF TTM
$-52.87M
Free CF TTM
$-35.53M
FCF margin
-32.5%
Dividend
Shareholder payout
Yield
—
Payout ratio
0.0%
Last ex-div date
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