Are shares loaned only to other IBKR clients or to other third parties?

Yes, the Stock Yield Enhancement program is available to IBKR Lite clients.

Additional Information…

Yes, the Stock Yield Enhancement program is available to IBSG clients with IBKR Lite accounts. IBSG clients must enroll in the Stock Yield Enhancement Program before creating or converting to an IBKR Lite account. IBSG’s Stock Yield Enhancement Program offers clients the ability to lend out certain fully-paid and excess margin securities to IBSG for on-lending to other IBSG clients or to other market participants and receive a portion of the loan fees…

No, there is no restriction on lending stocks which are trading in the secondary market following an IPO through the Stock Yield Enhancement Program as long as IBKR is not part of the selling group…

Shares from the Stock Yield Enhancement Program may be loaned to any counter-party and is not limited solely to other IBKR clients…