Is a stockholder-owned corporation known as Freddie Mac. Freddie Mac purchases investment-quality mortgage from lenders and packages from lenders and packages them as securities which are re-sold to investors such as insurance companies and pension funds. These securities are guaranteed by Freddie Mac.. FHLMC has been instrumental in reducing mortgage financing costs thereby lowering housing costs as well as increasing the supply of residential mortgages. Freddie Mac has an 18-member board of directors. Thirteen board members are elected, and five are appointed by the President of the United States.