Amprius Technologies, Inc. (AMPX) Stock Analysis

Why this analysis is different

• A sector-relative MoonshotScore — five pillars (business quality, financial safety, valuation, growth durability, momentum) re-ranked nightly against the full universe of US-listed common stocks.
• An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
• Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

Amprius Technologies, Inc. (AMPX) Industrial Operations Profile

Amprius Technologies, Inc. focuses on advanced lithium-ion batteries featuring silicon nanowire anode technology, differentiating itself within the electrical equipment and parts industry. Serving high-growth sectors like aerospace, defense, and electric vehicles, Amprius aims to capitalize on the increasing demand for high-performance energy storage solutions.

What Is the Investment Thesis for AMPX?

Amprius Technologies presents a compelling investment thesis centered on its innovative silicon nanowire anode technology and strategic focus on high-growth sectors. The company's batteries offer superior energy density and cycle life, positioning it to capture market share in the aerospace, defense, and EV industries. With a market capitalization of $1.44B and a P/E ratio of 180.7, Amprius reflects investor optimism regarding its growth potential. Key value drivers include expanding production capacity, securing strategic partnerships, and achieving technological advancements in battery performance. Ongoing catalysts include increasing demand for high-performance batteries in the EV sector and growing adoption of electric solutions in aerospace and defense. Potential risks involve competition from established battery manufacturers, technological challenges in scaling production, and fluctuations in raw material prices. Investors should monitor Amprius's ability to execute its growth strategy, maintain its technological edge, and achieve profitability in the long term.

Based on FMP financials and quantitative analysis

AMPX Key Highlights

• Market Cap of $1.44B reflects investor confidence in Amprius's growth potential within the advanced battery technology sector.
• P/E Ratio of 180.7 indicates high expectations for future earnings growth, driven by its innovative silicon nanowire anode technology.
• Gross Margin of 18.1% demonstrates the company's ability to generate revenue above the cost of goods sold, though there is room for improvement as the company scales.
• Free Cash Flow of $-0.03B highlights the company's current need for capital to fund its growth initiatives and expansion plans.
• Beta of 3.07 suggests that the stock is more volatile than the market, reflecting the high-growth, high-risk nature of the advanced battery technology sector.

Who Are AMPX's Competitors?

AMPX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are AMPX's Key Strengths?

• Innovative silicon nanowire anode technology.
• High energy density and cycle life of batteries.
• Strategic focus on high-growth sectors.
• Strong intellectual property portfolio.

What Are AMPX's Weaknesses?

• Limited production capacity.
• High P/E ratio indicates high investor expectations.
• Negative free cash flow.
• Relatively small number of employees.

What Could Drive AMPX Stock Higher?

• Expansion of production capacity to meet increasing demand.
• Growing adoption of electric vehicles and electric solutions in aerospace and defense.
• Strategic partnerships with key players in target markets.
• Technological advancements in battery performance and cost-effectiveness.

What Are the Key Risks for AMPX?

• Negative return on equity (-40.4%) — the business is not currently generating profit on shareholder capital.
• Weak fundamentals — a Piotroski F-Score of 3/9 flags soft profitability, leverage or efficiency.
• Rich valuation — a P/E of 180.7 runs well above the Industrials sector’s ~30x, leaving little room for a miss.
• Competition from established battery manufacturers with greater resources.
• Technological challenges in scaling production of silicon nanowire anode batteries.
• Fluctuations in raw material prices affecting battery production costs.
• Economic downturn reducing demand for electric vehicles and other battery-powered products.

What Are the Growth Opportunities for AMPX?

• Expansion in the Electric Vehicle (EV) Market: The global EV market is experiencing exponential growth, driven by increasing consumer demand and government incentives. Amprius can capitalize on this trend by providing high-performance batteries that extend the range and improve the overall performance of electric vehicles. To succeed, Amprius must secure partnerships with EV manufacturers and scale its production capacity to meet the growing demand.
• Penetration of the Aerospace Sector: The aerospace industry is increasingly adopting electric solutions for various applications, including unmanned aerial vehicles (UAVs) and electric aircraft. Amprius's high-energy-density batteries are well-suited for these applications, offering extended flight times and improved performance. The aerospace battery market is expected to grow significantly over the next decade, driven by the increasing demand for electric aircraft and UAVs. Amprius can capture market share by securing contracts with aerospace companies and demonstrating the superior performance of its batteries.
• Growth in the Defense Industry: The defense industry is seeking advanced battery solutions to power military equipment and systems. Amprius's batteries offer high energy density, long cycle life, and reliable performance, making them suitable for demanding defense applications. The defense battery market is expected to grow steadily, driven by the increasing demand for advanced military technology. Amprius can expand its presence in the defense sector by securing contracts with defense contractors and demonstrating the reliability and performance of its batteries in military applications.
• Strategic Partnerships and Collaborations: Forming strategic partnerships with key players in the aerospace, defense, and EV industries can accelerate Amprius's growth and market penetration. Collaborating with established companies can provide access to new markets, technologies, and resources. Strategic partnerships can also enhance Amprius's credibility and reputation, making it easier to secure contracts and attract investment. By actively pursuing strategic partnerships, Amprius can leverage the expertise and resources of its partners to drive growth and innovation.
• Technological Advancements and Innovation: Continuous innovation in battery technology is essential for maintaining a competitive edge and capturing market share. Amprius must invest in research and development to improve the performance, safety, and cost-effectiveness of its batteries. Technological advancements can lead to new products, applications, and markets. By staying at the forefront of battery technology, Amprius can differentiate itself from competitors and attract customers seeking the most advanced battery solutions. Amprius should focus on improving energy density, cycle life, and charging speed to meet the evolving needs of its target markets.

What Opportunities Does AMPX Have?

• Expanding demand for electric vehicles.
• Increasing adoption of electric solutions in aerospace and defense.
• Strategic partnerships and collaborations.
• Technological advancements in battery technology.

What Threats Does AMPX Face?

• Competition from established battery manufacturers.
• Technological challenges in scaling production.
• Fluctuations in raw material prices.
• Economic downturn affecting target markets.

What Are AMPX's Competitive Advantages?

• Proprietary silicon nanowire anode technology provides a performance advantage.
• Focus on high-growth sectors with demanding battery requirements.
• Established relationships with key players in the aerospace, defense, and EV industries.
• Strong intellectual property portfolio protecting its battery technology.

What Does AMPX Do?

Amprius Technologies, Inc., founded in 2008 and headquartered in Fremont, California, is a manufacturer and distributor of lithium-ion batteries. The company distinguishes itself through its innovative use of silicon nanowire anode technology, which enhances battery performance. Amprius primarily serves the aerospace, defense, and electric vehicle (EV) industries, providing advanced battery solutions tailored to these sectors' demanding requirements. Since its inception, Amprius has focused on developing high-energy-density batteries that offer superior performance compared to traditional lithium-ion batteries. The company's silicon nanowire anode technology allows for greater energy storage capacity and improved cycle life, making its batteries suitable for applications where performance and reliability are critical. Amprius's strategic focus on high-growth sectors positions it to capitalize on the increasing demand for advanced battery technology. The company's product portfolio centers around its silicon nanowire anode lithium-ion batteries, designed to meet the specific needs of its target markets. In the aerospace sector, Amprius's batteries power unmanned aerial vehicles (UAVs) and electric aircraft. For defense applications, the batteries support advanced military equipment and systems. In the EV market, Amprius aims to provide high-performance batteries that extend the range and improve the overall performance of electric vehicles. Amprius continues to innovate and expand its product offerings to meet the evolving needs of its customers and the broader energy storage market.

What Products and Services Does AMPX Offer?

• Manufactures silicon nanowire anode lithium-ion batteries.
• Distributes lithium-ion batteries to various industries.
• Serves the aerospace industry with batteries for UAVs and electric aircraft.
• Provides battery solutions for the defense sector.
• Offers high-performance batteries for electric vehicles.
• Develops advanced battery technology for enhanced energy storage.

How Does AMPX Make Money?

• Amprius generates revenue through the sale of its lithium-ion batteries.
• The company targets high-value sectors such as aerospace, defense, and electric vehicles.
• Amprius focuses on developing and manufacturing advanced battery technology with superior performance characteristics.

What Industry Does AMPX Operate In?

Amprius Technologies operates within the rapidly evolving electrical equipment and parts industry, specifically focusing on advanced battery technology. Amprius differentiates itself through its silicon nanowire anode technology, which offers superior energy density and cycle life compared to traditional lithium-ion batteries. Competitors include established battery manufacturers and other companies developing advanced battery technologies. Amprius's success depends on its ability to scale production, maintain its technological edge, and secure strategic partnerships within its target markets.

Who Are AMPX's Key Customers?

• Aerospace companies using batteries for UAVs and electric aircraft.
• Defense contractors requiring batteries for military equipment and systems.
• Electric vehicle manufacturers seeking high-performance batteries.
• Other industries requiring advanced energy storage solutions.

Net sellingInsider Activity

Over the past six months, Amprius Technologies, Inc. insiders filed 29 SEC Form 4 transactions — 20 sales and 9 purchases. On net that is roughly 2.2M shares disposed (about $39.9M), a signal worth weighing alongside the fundamentals.

FY2026 estForward Outlook

Wall Street analysts project Amprius Technologies, Inc. revenue of about $132.1M for fiscal 2026, with EPS near $-0.07. The estimate reflects 8 contributing analysts.

F-Score 3/9Financial Health

Amprius Technologies, Inc.'s Piotroski F-Score is 3/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of 38.60 places it in the safe zone, indicating low near-term bankruptcy risk.

ROE -40%Key Financial Metrics

Return on equity for Amprius Technologies, Inc. stands at -40.4%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -30.4%, showing how much profit it generates from its asset base. Its free cash flow yield is -2.0%, a gauge of the cash the business throws off relative to its market value. A current ratio of 7.13 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -1.4%, the inverse of the P/E and a quick read on earnings relative to price.

Amprius Technologies, Inc. (AMPX) Valuation Context

Valued at $1.44B, AMPX is classified as a small-cap stock. Relative to its peer group, AMPX's quantitative score of 22/100 is below the peer average of 68/100.

AMPX Revenue & Earnings Trend

In Q1 2026, AMPX generated $28.5M in top-line revenue, marking a sequential increase of 13.1%. The company recorded a net loss of $5.0M, with diluted EPS of $-0.04. Revenue has increased across the last three reported quarters, suggesting sustained momentum for this small-cap Industrials company. Across the four most recent quarters, AMPX averaged $-0.08 in diluted EPS.

Company Profile

Amprius Technologies, Inc. operates in the Electrical Equipment & Parts industry within the Industrials sector. It is headquartered in Fremont, US. The company is led by CEO Thomas Michael Stepien. AMPX has traded publicly since 2022.

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Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

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