RE: Westport and George SorosThe information on this page is a little old, but it's worth a look if you have not seen it before...
https://www.nasdaq.com/asp/holdings.asp?symbol=WPRT&symbol=WPT&selected=WPRT
I find it more than a little amusing that I (and likely many others here on this BB) have more shares than many listed "Institutionals"... so taking this into account, the stock should trade as though it is tightly held.