Activist investing is a thing if that's what you're asking. This link includes a short list of such famous individuals: https://www.investopedia.com/terms/a/act

Activist investing is a thing if that's what you're asking. This link includes a short list of such famous individuals: https://www.investopedia.com/terms/a/activist-investor.asp https://www.investopedia.com/terms/a/activist-investor.asp