POWI - Company ID 0000833640
As of 2026-07-09, POWER INTEGRATIONS INC (POWI) has a market capitalization of $3.95 B, making it the #1617 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-07-09 | $3.95 B |
| 2026-07-08 | $3.69 B |
| 2026-07-07 | $3.72 B |
| 2026-07-06 | $4.07 B |
| 2026-07-05 | $4.07 B |
| 2026-07-04 | $4.07 B |
| 2026-07-03 | $4.07 B |
| 2026-07-02 | $4.07 B |
| 2026-07-01 | $4.55 B |
| 2026-06-30 | $4.65 B |
| 2026-06-29 | $4.40 B |
| 2026-06-28 | $4.42 B |
As of 2026-07-09, POWER INTEGRATIONS INC (POWI) has a market capitalization of $3.95 B, making it the #1617 most valuable US-listed company.
POWER INTEGRATIONS INC is the #1617 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-06-27 | $4.42 B |
| 2026-06-26 | $4.42 B |
| 2026-06-25 | $4.73 B |
| 2026-06-24 | $4.56 B |
| 2026-06-23 | $4.49 B |
| 2026-06-22 | $4.87 B |
| 2026-06-21 | $4.85 B |
| 2026-06-20 | $4.85 B |
| 2026-06-19 | $4.85 B |
| 2026-06-18 | $4.85 B |
| 2026-06-17 | $4.50 B |
| 2026-06-16 | $4.46 B |
| 2026-06-15 | $4.65 B |
| 2026-06-14 | $4.37 B |
| 2026-06-13 | $4.37 B |
| 2026-06-12 | $4.50 B |
| 2026-06-11 | $4.23 B |
| 2026-06-10 | $4.16 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.