The $51.3 billion Illinois Teachers' Retirement System, Springfield, produced positive preliminary net returns for all periods ended June 30.
For the quarter ended June 30, the defined benefit plan returned 0.8%; one year, 8.3%; three years, 6.8%; five years, 8.2%; 10 years, 6.2%; and 20 years, 6.5%.
Returns of the fund's policy benchmark topped those of the pension fund in four of six time periods ended June 30: three months, 1.3%; one year, 8.2%; three years, 7.3%; five years, 8.5%; 10 years, 6.6%; and 20 years, 6.4%.
Multiyear returns are annualized.
The fund returned a net 12.6% for the year ended June 30, 2017.
By asset class for the year ended June 30, preliminary net returns were 11.8% for equity; real assets, 6.2%; diversifying strategies (mainly hedge funds), 4.5%; and income, 1.9%.
The fund's asset allocation as of June 30 was 51.7% equity, 23.1% income, 13.8% real assets and 11.4% diversifying strategies.