No, owned by Geely, which owns Volvo as well. It is an attempt from Geely to gain foothold in the western markets without being associated as a chinese brand, but as a swedish one.
The founders of Polestar now runs the Cyan racing company which is the official racing partner of volvo and geely...
https://www.media.volvocars.com/global/en-gb/media/pressrele...