Amprius Technologies (AMPX) Shares Outstanding (2021 - 2026)
Amprius Technologies' Shares Outstanding came in at 143.47 million for Q2 2026, up 17.8% from 121.78 million a year earlier and up 4.8% from the prior quarter.
Amprius Technologies (AMPX) Shares Outstanding (2021 - 2026) Analysis & Trends
For FY2025, Amprius Technologies' Shares Outstanding was 124.64 million, up 22.3% from FY2024.
- Shares Outstanding has increased in each of the last four years, with a four-year compound annual growth rate of 17.3% (FY2021 to FY2025).
- Going back by year, Shares Outstanding was 101.87 million in FY2024 (+18.2%), 86.2 million in FY2023 (+20.8%), 71.34 million in FY2022 (+8.5%) and 65.76 million in FY2021.
- The Q2 2026 figure represents the highest quarterly Shares Outstanding in data going back to Q3 2021.
- Year-over-year, Shares Outstanding has increased for 16 consecutive quarters, with growth averaging 21.7% over the last eight quarters.
- Over the past five years, the year-over-year growth in Shares Outstanding ranged from 4.9% (Q3 2022) to 424.9% (Q1 2023).
- Business Quant data shows AMPX's Shares Outstanding at 136.95 million (Q1 2026), 124.64 million (Q4 2025) and 126.63 million (Q3 2025) in the three quarters before Q2 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | GE Vernova | 252.99 Bn | 214.06 Bn | 2.36 Bn | 268.00 Mn |
| 2 | Bloom Energy | 81.25 Bn | 73.07 Bn | 355.57 Mn | 287.29 Mn |
| 3 | First Solar | 18.82 Bn | 9.78 Bn | 605.00 Mn | 107.46 Mn |
| 4 | BWX Technologies | 12.55 Bn | 10.85 Bn | 202.31 Mn | 91.72 Mn |
| 5 | Generac Holdings | 12.21 Bn | 11.04 Bn | 521.81 Mn | 58.82 Mn |
| 6 | Nextpower | 11.82 Bn | 7.71 Bn | 335.85 Mn | 150.78 Mn |
| 7 | EnerSys | 6.67 Bn | 4.86 Bn | 313.36 Mn | 36.47 Mn |
| 8 | Enphase Energy | 4.36 Bn | -500.13 Mn | 175.01 Mn | 131.96 Mn |
| 9 | Mirion Technologies | 3.45 Bn | 1.34 Bn | 133.10 Mn | 244.57 Mn |
| 10 | Amprius Technologies | 1.41 Bn | 1.11 Bn | 9.28 Mn | 143.47 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 143.47 Mn |
| Mar 31, 2026 | 136.95 Mn |
| Dec 31, 2025 | 124.64 Mn |
| Sep 30, 2025 | 126.63 Mn |
| Jun 30, 2025 | 121.78 Mn |
| Mar 31, 2025 | 117.97 Mn |
| Dec 31, 2024 | 101.87 Mn |
| Sep 30, 2024 | 110.41 Mn |
| Jun 30, 2024 | 97.05 Mn |
| Mar 31, 2024 | 90.03 Mn |
| Dec 31, 2023 | 86.20 Mn |
| Sep 30, 2023 | 86.35 Mn |
| Jun 30, 2023 | 85.22 Mn |
| Mar 31, 2023 | 84.65 Mn |
| Dec 31, 2022 | 71.34 Mn |
| Sep 30, 2022 | 69.01 Mn |
| Jun 30, 2022 | 23.00 Mn |
| Mar 31, 2022 | 16.13 Mn |
| Dec 31, 2021 | 65.76 Mn |
| Sep 30, 2021 | 65.77 Mn |
Amprius Technologies Shares Outstanding API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding&ticker=AMPX&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "AMPX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding&ticker=AMPX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();