Save Share The legal stoush between exchange traded funds pioneer Graham Tuckwell and his US private equity backers has entered yet another chapter, with the firms appealing against a ruling which saved Mr Tuckwell $US35 million ($45 million). That money, which the private equity firms argued belonged to them as part of their one-third stake in Mr Tuckwellâs ETF Securities, was destined to further plump the coffers of the Tuckwell Foundation, which funds scholarships at Australian National University. Louise and Graham Tuckwellâs foundation funds scholarships at ANU. Kristoffer Paulsen To Mr Tuckwellâs surprise, it might still end up in the hands of his former investors.