Hedge Funds specializing in short selling by using spread Bets or Contracts for difference, " Most borrowers and lenders of shares are institutions, brokers, etc.. your own broker, if approached, will sell your own shares that they hold on your behalf as a nominee account. One thing that may help put an order in place your shares for sale.. "As they are 'on order' they cannot be lent out by your broker and in turn you are reducing the amount of 'free shares' out there that can be used for shorting purposes. .., if a large number of holders did this it would reduce the overall amount of shares that they could get their hands on... http://www.contracts-for-difference.com/Borrowing-lending-shares.html "