Perhaps they were just market making back then as well? See this link: https://www.wallstreetoasis.com/forums/is-renaissance-technologies-really-a-hedge-fund ht

Perhaps they were just market making back then as well? See this link: https://www.wallstreetoasis.com/forums/is-renaissance-technologies-really-a-hedge-fund https://www.wallstreetoasis.com/forums/is-renaissance-techno...