OLD GREENWICH, Conn., Oct. 25, 2018 /PRNewswire/ --  Spencer Trask & Co. backed venture Ultra Capital LLC (Ultra), a private equity firm focused on creating sustainable agriculture, energy, waste and water projects at scale, has accepted new investment from Philadelphia-based private equity fund LL Funds. As a result of this transaction, LL Funds is now the anchor equity investor in the next multi-hundred million dollar Ultra fund. Spencer Trask affiliates served as a majority equity investor in Ultra, second only to Tiger Management LLC.