The Illinois State Board of Investment (ISBI) manages the defined benefit assets of the State Employees’ Retirement System, the General Assembly Retirement System, and the Judges’ Retirement System, the assets of the Illinois Power Agency Trust Fund, and oversees the State of Illinois Deferred Compensation Plan.
Defined Benefit
Beneficiaries
0
AUM
$
0
Billion
Deferred Compensation
Beneficiaries
0
AUM
$
0
Billion
Defined benefit beneficiary data as of June 30, 2024. All other data as of September 30, 2025.