Charities are often corporations. Corporation doesn't mean for-profit, and it doesn't mean publicly traded. At its core it just means "an organization that is

Charities are often corporations. Corporation doesn't mean for-profit, and it doesn't mean publicly traded. At its core it just means "an organization that is legally treated as a unit". Goodwill is not publicly traded (since, as a non-profit, that wouldn't make much sense).