SuperworthPlug Power market cap PLUG
Share price times shares outstanding: what the whole company sells for, since 2011.
- Today, Oct 23, 2026
- $1.9B
- Highest close in our data
- $27.8B
- Jan 2021
Plug Power is worth $1.9B at the close on Oct 23, 2026, at $1.38 a share.
That is down 43% over the last year and down 91% over five years.
Its highest close in our data was $27.8B in Jan 2021.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $1.9B | $1.9B | $5.5B | −33% |
| 2025 | $2.9B | $750.9M | $4.4B | +33% |
| 2024 | $2.2B | $1.4B | $2.8B | −20% |
| 2023 | $2.7B | $2.1B | $10.1B | −62% |
| 2022 | $7.2B | $7.2B | $17.3B | −56% |
| 2021 | $16.3B | $9.6B | $27.8B | +15% |
| 2020 | $14.1B | $843.3M | $14.8B | +1653% |
| 2019 | $804.1M | $312.7M | $1B | +161% |
| 2018 | $308M | $238M | $539.2M | −43% |
| 2017 | $539.2M | $169.6M | $667.5M | +149% |
| 2016 | $216.5M | $216.5M | $399.8M | −43% |
| 2015 | $379.8M | $295M | $560.9M | −29% |
| 2014 | $533.2M | $267.8M | $990.7M | +213% |
| 2013 | $170.3M | $5M | $214.4M | +727% |
| 2012 | $20.6M | $20.6M | $54.1M | −56% |
| 2011 | $46.4M | $35.8M | $59.3M | n/a |
Against its peers
Companies in Industrials nearest Plug Power's size, closest first, today.
| Company | Market cap |
|---|---|
| PLUGPlug Power | $1.9B |
| GRCGorman Rupp | $1.9B |
| AMNAMN Healthcare Services | $1.9B |
| ALGTAllegiant Travel CO | $1.8B |
| SPBSpectrum Brands | $1.8B |
| EPACEnerpac Tool | $1.8B |
| BLBDBlue Bird | $1.8B |
| TRNTrinity Industries | $2B |
| PRLBProto Labs | $2B |
| CTOSCustom Truck One Source | $2.1B |
| EFOREverforth | $1.8B |
| Peer median | $1.9B |
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 Plug Power
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.