Battery technology company commercializing high-energy silicon-anode lithium-ion batteries for aviation, drones, and mobility markets.
Profile & Fundamentals
Amprius Technologies: Company identity, ownership, reported financial performance, balance sheets, and corporate actions.
Profile & Fundamentals
Amprius Technologies Profile & Fundamentals
Examine company identity, ownership, reported performance, valuation, balance-sheet resilience, dividends, buybacks, and material corporate events.
Explore this pageJump to a Profile & Fundamentals section
Explore this research
Profile & Fundamentals contents
Jump directly to any section
Company and Market Context
Company Profile & Ownership
Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications. The company provides silicon anode lithium-ion batteries under the SiCore and SiMaxx product platforms. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was founded in 2008 and is headquartered in Fremont, California.
Company profile record
Amprius Technologies Inc.
Common Stock · Industrials · Electrical Components & Equipment
Company
- Company / asset
- Amprius Technologies Inc.
- Security type
- Common Stock
- Sector
- Industrials
- Industry
- Electrical Components & Equipment
- HQ
- 🇺🇸 United States
- Head office
- 1180 Page Avenue, Fremont, CA, United States, 94538
Leadership & scale
- Chief executive
- Mr. Thomas Michael Stepien
- CEO year born
- 1961
- Full-time employees
- 97
- Fiscal year end
- December
- IPO date
- 2022-09-15
Fundamentals snapshot
- Market Cap
- USD 1.4B
- P/E
- --
- Revenue (Q2 26)
- USD 34.0M
- Profit (Q2 26)
- USD -5.1M
- Dividend Yield
- --
- Revenue (FY 25)
- USD 73.0M
- Shares in public float
- 142.9M
- Insider ownership
- 4.36%
Reporting & identifiers
- Symbol
- AMPX.NYSE
- Listing
- 🇺🇸 United States | Dividend Tax: 30%
- Ticker Currency
- USD
- Income Statement Currency
- USD
- Balance Sheet Currency
- USD
- Cash Flow Currency
- USD
- EPS Currency
- USD
- Contract Type
- SPOT
- ISIN
- US03214Q1085
- Asset ID
- equity_d12814c3-73ac-5e69-8ffb-de8a945b8357
Ownership
Shares Outstanding
Latest: 143.5M | Max: 143.5M | Min: 45.0M
Latest reported ownership snapshot
As of Oct 1, 2026Float Shares
99.59%
142.9M latest reported shares
Insider Ownership
4.36%
Latest reported insider stake
Short Float
0.16%
Latest reported short interest / float
Top Holders
Source tablesView ownership tables
Shares Outstanding
Annual reported shares outstanding; up to 10 reporting dates.
Scroll the table to see every column.
| Reporting date | Shares outstanding |
|---|---|
| 2020-01-01 | 45,000,000 |
| 2021-01-01 | 65,772,400 |
| 2022-01-01 | 84,000,000 |
| 2023-01-01 | 88,525,000 |
| 2024-01-01 | 116,934,300 |
| 2025-01-01 | 132,064,500 |
| 2026-01-01 | 143,469,200 |
Top Holders
Available reported ownership records.
Scroll the table to see every column.
| Holder | Shares | Ownership | Reported date |
|---|---|---|---|
| BlackRock Inc | 9,225,611 | 6.32% | 2026-03-31 |
| Vanguard Capital Management, LLC | 4,908,875 | 3.36% | 2026-03-31 |
| Two Sigma Investments LLC | 4,318,630 | 2.96% | 2026-06-30 |
| Jane Street Group LLC | 4,160,656 | 2.85% | 2026-03-31 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3,824,005 | 2.62% | 2026-08-31 |
| Driehaus Capital Management LLC | 3,794,178 | 2.6% | 2026-03-31 |
| iShares Russell 2000 ETF | 3,528,130 | 2.42% | 2026-08-31 |
| Morgan Stanley - Brokerage Accounts | 3,162,167 | 2.16% | 2026-03-31 |
| Geode Capital Management, LLC | 2,814,530 | 1.93% | 2026-03-31 |
| State Street Corp | 2,712,630 | 1.86% | 2026-03-31 |
| UBS Group AG | 2,311,554 | 1.58% | 2026-03-31 |
| The Goldman Sachs Group Inc | 2,226,181 | 1.52% | 2026-03-31 |
| Jupiter Asset Management Limited | 2,133,397 | 1.46% | 2026-06-30 |
| Massachusetts Financial Services Company | 2,024,760 | 1.39% | 2026-03-31 |
| T. Rowe Price Associates, Inc. | 1,897,420 | 1.3% | 2026-03-31 |
Earnings, Profitability & Valuation
Earnings, Profitability & Valuation
Earnings & Revenue
Earnings and Revenue Trajectory
AI Review
The company's income statement shows rapid commercial acceleration as customer demand shifts from laboratory testing into high-volume deliveries. Revenue reached $34.0 million in the second quarter of 2026, more than doubling year over year, while management raised full-year guidance to at least $140 million. This growth is powered by robust military and commercial drone orders that require superior battery flight time. However, headlines obscure an important financial reality. While accounting losses narrowed to $3.2 million excluding warrant adjustments, working capital absorbed substantial cash as inventory and unpaid customer bills expanded. Operating cash flow must turn positive before rapid sales growth truly translates into self-funding corporate profits.
The company's income statement shows rapid commercial acceleration as customer demand shifts from laboratory testing into high-volume deliveries. Revenue reached $34.0 million in the second quarter of 2026, more than doubling year over year, while management raised full-year guidance to at least $140 million. This growth is powered by robust military and commercial drone orders that require superior battery flight time. However, headlines obscure an important financial reality. While accounting losses narrowed to $3.2 million excluding warrant adjustments, working capital absorbed substantial cash as inventory and unpaid customer bills expanded. Operating cash flow must turn positive before rapid sales growth truly translates into self-funding corporate profits.
Revenue, Net Income, and Free Cash Flow
Latest: USD 73.0M | Max: USD 73.0M | Min: USD -44.7M
Valuation
P/E Ratio (TTM)iPublished valuation snapshots use the earnings basis recorded with each observation. Source tables retain that basis.
Latest: --
No history available.
Profitability & Margins
Margins and Operating Efficiency
AI Review
Profit margins have completed a remarkable turnaround over the past eighteen months. Gross margin surged from negative 76% in 2024 to positive 27% in the second quarter of 2026. This turnaround happened because manufacturing volume shifted to efficient partner lines and customers paid premium prices for high-energy silicon cells in weight-sensitive aircraft. Even so, translating gross profit into net bottom-line earnings remains an unfinished challenge. Research, administrative expenses, and international tariffs continue to consume most gross profits. While higher manufacturing throughput will help, maintaining profit margins near thirty percent requires ongoing yield efficiency and favorable pricing as competitors develop alternative chemistries.
Profit margins have completed a remarkable turnaround over the past eighteen months. Gross margin surged from negative 76% in 2024 to positive 27% in the second quarter of 2026. This turnaround happened because manufacturing volume shifted to efficient partner lines and customers paid premium prices for high-energy silicon cells in weight-sensitive aircraft. Even so, translating gross profit into net bottom-line earnings remains an unfinished challenge. Research, administrative expenses, and international tariffs continue to consume most gross profits. While higher manufacturing throughput will help, maintaining profit margins near thirty percent requires ongoing yield efficiency and favorable pricing as competitors develop alternative chemistries.
Profitability Margins
Latest: 11.3% | Max: 11.3% | Min: <-100.0%
Latest Profitability Ratios as of 2025-12-31
Gross Margin
11.3%
Gross profit / revenue
Operating Margin
-63.9%
Operating income / revenue
Net Margin
-60.3%
Net income / revenue
FCF Margin
-48.7%
Free cash flow / revenue
Source tablesView earnings, profitability & valuation tables
Revenue, Net Income, and Free Cash Flow
Annual reported results, using the source statement's recorded USD conversion. Up to 10 reporting periods; missing values are not estimated.
Scroll the table to see every column.
| Period end | Revenue (USD) | Net income (USD) | Free cash flow (USD) |
|---|---|---|---|
| 2020-12-31 | 4,679,000 | -7,418,000 | -5,571,000 |
| 2021-12-31 | 2,772,000 | -9,896,000 | -8,625,000 |
| 2022-12-31 | 4,409,000 | -17,332,000 | -15,363,000 |
| 2023-12-31 | 8,791,000 | -36,776,000 | -43,103,000 |
| 2024-12-31 | 24,167,000 | -44,671,000 | -36,559,000 |
| 2025-12-31 | 73,011,000 | -44,024,000 | -35,534,000 |
Published P/E Ratio
Published valuation snapshots retain each observation's earnings basis.
No reported records are available in this preview.
Profitability Margins
Matching annual reporting dates. Values are percentages.
Scroll the table to see every column.
| Period end | Gross margin (%) | Operating margin (%) | Net margin (%) | Free cash flow margin (%) |
|---|---|---|---|---|
| 2020-12-31 | -43.09 | -159.2 | -158.54 | -119.06 |
| 2021-12-31 | -156.17 | -383.23 | -357 | -311.15 |
| 2022-12-31 | -123.36 | -409.19 | -393.11 | -348.45 |
| 2023-12-31 | -169.92 | -440.33 | -418.34 | -490.31 |
| 2024-12-31 | -75.85 | -183.72 | -184.84 | -151.28 |
| 2025-12-31 | 11.32 | -63.89 | -60.3 | -48.67 |
Public data excerpt created by iPulse AI and published by Future Edge Group FZE. Source: eodhd. Snapshot retrieved 2026-09-29.
Use is subject to the iPulse AI Terms of Service and applicable source rights. Missing inputs are not estimated. Full access includes the remaining records, research and interactive tools.
Complete Research Workspace
Unlock the complete Profile & Fundamentals
Sign in to verify your access, or upgrade to the Base plan to open the complete profile & fundamentals and available source data.