POWI - CIK 0000833640
As of 2026-06-10, POWER INTEGRATIONS INC (POWI) has a market capitalization of $4.16 B, making it the #1535 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-10 | $4.16 B |
| 2026-05-29 | $4.66 B |
| 2026-05-28 | $4.84 B |
| 2026-05-26 | $4.60 B |
| 2026-05-25 | $3.95 B |
| 2026-05-24 | $3.95 B |
| 2026-05-22 | $3.95 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-10, POWER INTEGRATIONS INC (POWI) has a market capitalization of $4.16 B, making it the #1535 most valuable US-listed company.
POWER INTEGRATIONS INC is the #1535 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.