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PLUG POWER INC
PLUG - CIK 0001093691
Market cap$3.99 B
Rank#1571
SEC filings2,249
Market capitalization of PLUG POWER INC
As of 2026-06-11, PLUG POWER INC (PLUG) has a market capitalization of $3.99 B, making it the #1571 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $3.99 B |
| 2026-06-10 | $4.03 B |
| 2026-05-29 | $5.58 B |
| 2026-05-28 | $5.78 B |
| 2026-05-26 | $5.50 B |
| 2026-05-25 | $5.27 B |
| 2026-05-24 | $5.27 B |
| 2026-05-22 | $5.27 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is PLUG POWER INC's market cap?
As of 2026-06-11, PLUG POWER INC (PLUG) has a market capitalization of $3.99 B, making it the #1571 most valuable US-listed company.
Where does PLUG POWER INC rank by market cap?
PLUG POWER INC is the #1571 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.