Wyoming Retirement System, Cheyenne, hired Northern Trust Quantitative Advisors for its $3.7 billion pension fund, said Thomas Mann, benefits manager. Northern Trust will manage a $350 million Lehman aggregate bond index fund. Funding came from a reallocation. Buck Investment Consulting assisted.
County of Arapahoe, Littleton, Colo., hired Bank of New York as a custodian for its $102 million defined benefit plan. Bank of New York replaces Wells Fargo, which was a finalist in the in-house search with Banc One. Mercer assisted.