A new market analysis report shows that Sony retained the greatest share of the CMOS image sensor market in 2020, while Samsung came in second. Then again, the latter OEM's actual sales were seen to rise compared to 2019, whereas those of Sony dropped slightly year-on-year. This was due to a formerly major player virtually dropping out of the smartphone market.
https://www.notebookcheck.net/The-latest-figure-show-Sony-still-leads-the-CMOS-image-sensor-market-but-Samsung-is-catching-up.555485.0.html