STMicroelectronics N.V. (STMEF) stock
STMEFOTCSemiconductors & Related DevicesFiscal year ends December 31Also trades as STM
$46.25−0.98 (-2.08%)
Close on Oct 19, 2026Market cap $41.10BP/E 256.9Yield 0.78%
STMicroelectronics market cap
Market capitalization is the share price multiplied by the number of shares outstanding.
STMicroelectronics's market cap was $40.54B on Oct 19, 2026, against $21.98B a year earlier. Over the last 5 years it ranged from $19.72B to $66.56B, with a median of $35.46B.
Market Cap at the end of each year
| Period | Period end | Value | Change |
|---|---|---|---|
| 2026 | Oct 19, 2026 | $40.54B | +74.0% |
| 2025 | Dec 31, 2025 | $23.30B | +3.4% |
| 2024 | Dec 31, 2024 | $22.54B | -50.2% |
| 2023 | Dec 29, 2023 | $45.31B | +40.5% |
| 2022 | Dec 30, 2022 | $32.24B | -27.1% |
| 2021 | Dec 31, 2021 | $44.26B | +33.7% |
| 2020 | Dec 31, 2020 | $33.09B | +36.9% |
| 2019 | Dec 31, 2019 | $24.17B | +93.9% |
| 2018 | Dec 31, 2018 | $12.47B | -35.4% |
| 2017 | Dec 29, 2017 | $19.29B | +93.5% |
| 2016 | Dec 30, 2016 | $9.97B | +71.3% |
| 2015 | Dec 31, 2015 | $5.82B | -12.5% |
| 2014 | Dec 31, 2014 | $6.65B | -6.3% |
| 2013 | Dec 31, 2013 | $7.10B | +10.9% |
| 2012 | Dec 31, 2012 | $6.41B | +22.5% |
| 2011 | Dec 30, 2011 | $5.23B | -43.0% |
| 2010 | Dec 31, 2010 | $9.17B | +13.1% |
| 2009 | Dec 31, 2009 | $8.10B | – |