SuperworthALPHA & OMEGA SEMICONDUCTOR market cap AOSL
Share price times shares outstanding: what the whole company sells for, since 2011.
- Today, Oct 23, 2026
- $663M
- Highest close in our data
- $1.7B
- Mar 2022
ALPHA & OMEGA SEMICONDUCTOR is worth $663M at the close on Oct 23, 2026, at $21.91 a share.
That is down 27% over the last year and down 27% over five years.
Its highest close in our data was $1.7B in Mar 2022.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $663M | $591M | $1.4B | +10% |
| 2025 | $605.4M | $510.1M | $1.2B | −46% |
| 2024 | $1.1B | $552.8M | $1.4B | +54% |
| 2023 | $724.1M | $582.9M | $1B | −8% |
| 2022 | $783M | $783M | $1.7B | −51% |
| 2021 | $1.6B | $660.4M | $1.6B | +165% |
| 2020 | $602.5M | $145.7M | $637.9M | +80% |
| 2019 | $335.4M | $206.7M | $342.8M | +34% |
| 2018 | $249.8M | $221.9M | $420.9M | −36% |
| 2017 | $390.6M | $361.9M | $533.2M | −21% |
| 2016 | $495.5M | $182.7M | $535.6M | +143% |
| 2015 | $204M | $167.6M | $241.2M | −16% |
| 2014 | $243.4M | $181.7M | $281M | +20% |
| 2013 | $203.1M | $181.7M | $228.9M | +1% |
| 2012 | $200.7M | $178.3M | $261.5M | +12% |
| 2011 | $178.7M | $178.7M | $236.6M | n/a |
Against its peers
Companies in Semiconductors nearest ALPHA & OMEGA SEMICONDUCTOR's size, closest first, today.
| Company | Market cap |
|---|---|
| AOSLALPHA & OMEGA SEMICONDUCTOR | $663M |
| KOPNKopin | $628.2M |
| NVECNVE | $351.9M |
| SHLSShoals Technologies | $1.3B |
| ERIIEnergy Recovery | $341M |
| CRCTCricut | $1.3B |
| PLABPhotronics | $1.7B |
| ASYSAmtech Systems | $217.5M |
| VECOVeeco Instruments | $2.6B |
| POWIPower Integrations | $2.6B |
| IPGPIPG Photonics | $3B |
| Peer median | $1.3B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on ALPHA & OMEGA SEMICONDUCTOR
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.