The firm closed the fund with $2.75 billion in commitments, surpassing its $2 billion target.
The plan approved adding a dedicated high-yield component earlier this year.
The executive director of the $22.2 billion pension plan appears to have left the position.
The close of the fund marks the largest fundraise ever for the private markets firm.
The firm bolstered its fixed-income business with a hire that most recently served at Northern Trust Asset Management.
The plan will interview two firms in its general investment consultant search this week.
The city is searching for a firm to recommend investment management, procedural changes and investment selection and perform trades on behalf of its investment portfolios.
The plan disclosed recent private equity, credit and real estate commitments.
The plan was slated to approve two active domestic mid-cap equity manager terminations at a meeting this week.