40 ILCS 5/22A-106

"Manage": To invest, reinvest, exchange, and perform all investment functions with regard to reserves, funds, assets, securities, and moneys which the board is authorized to invest; to preserve and protect such reserves, funds, assets, securities, and moneys, including, but not limited to, authority to vote any stocks, bonds, or other securities; and to give general or special proxies or powers of attorney with or without power of substitution, except that the authority to vote proxies is subject to Section 22A-113.4. This term shall not include any functions, duties, and responsibilities incident to the operation and administration of pension funds or education funds other than that of investments.