Amprius makes lithium-ion batteries with silicon nanowire anodes, giving them higher energy density for aerospace, defense, and EVs. Think of a battery that packs more punch per pound, like a fuel tank that holds more miles in the same space.
Revenue is tiny at USD 0.07B annually, and the company loses money on every sale—gross margin is just 11.32%, with net margin at -60.30%. No recurring income; it's all project-based sales to niche customers.
Their silicon nanowire tech is hard to copy, but bigger players like Panasonic and LG Energy Solution have deeper pockets for R&D and scale. The moat is eroding as these giants push into similar high-energy battery tech.

Key events, in time order
Q2 EPS loss $0.03 in line, revenue beat; shares fell 10% in call then recovered
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