Holyoke (Mass.) Retirement System hired Fidelity Investments and Intercontinental as core real estate managers, said Daniel R. Owens, executive director of the $135 million fund. The hirings will help the fund meet its 5% target allocation to the asset class. Fidelity will receive $5 million; Intercontinental will receive $2 million. Funding will come from cash. Segal Advisors assisted.