POWI - Company ID 0000833640
As of 2026-09-07, POWER INTEGRATIONS INC (POWI) has a market capitalization of $2.81 B, making it the #1889 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-09-07 | $2.81 B |
| 2026-09-06 | $2.81 B |
| 2026-09-05 | $2.81 B |
| 2026-09-04 | $2.81 B |
| 2026-09-03 | $2.81 B |
| 2026-09-02 | $2.80 B |
| 2026-09-01 | $2.78 B |
| 2026-08-31 | $2.86 B |
| 2026-08-30 | $2.87 B |
| 2026-08-29 | $2.87 B |
| 2026-08-28 | $2.87 B |
| 2026-08-27 | $3.08 B |
As of 2026-09-07, POWER INTEGRATIONS INC (POWI) has a market capitalization of $2.81 B, making it the #1889 most valuable US-listed company.
POWER INTEGRATIONS INC is the #1889 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-08-26 | $3.07 B |
| 2026-08-25 | $3.04 B |
| 2026-08-24 | $2.96 B |
| 2026-08-23 | $3.07 B |
| 2026-08-22 | $3.07 B |
| 2026-08-21 | $3.07 B |
| 2026-08-20 | $3.06 B |
| 2026-08-19 | $3.11 B |
| 2026-08-18 | $3.26 B |
| 2026-08-17 | $3.46 B |
| 2026-08-16 | $3.50 B |
| 2026-08-15 | $3.50 B |
| 2026-08-14 | $3.50 B |
| 2026-08-13 | $3.47 B |
| 2026-08-12 | $3.56 B |
| 2026-08-11 | $3.53 B |
| 2026-08-10 | $3.45 B |
| 2026-08-09 | $3.60 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.