An electronic marketplace accessible in Portal that connects third-party administrators with Hedge Funds, Advisors and Proprietary Trading Groups. Once an Administrator is registered (the account is approved and open), his or her information becomes available at the Administrator Marketplace. Advisors, Hedge Fund Investment Managers and Proprietary Trading Group master users who are looking to add Administrators to their account search for, request contact from or request a link to Administrators. The Administrator Marketplace is part of IBKR’s Investors’ Marketplace.