The $104bn US pension has acquired interests in eight funds, having previously been an active seller on the secondaries market.
Carlyle, Apollo and Blackstone funds were among those that changed hands in the deal involving $644m of NAV.
The Canadian investor had brought a portfolio of private equity fund stakes to market in the first half of this year.
Details of the firm's latest secondaries vehicle were revealed in documents prepared for PSERS, which made its debut commitment to a fund managed by the GP.
Limited partners who endorsed the industry body's fees and expenses template during the period include several investors in secondaries funds.
This is at least the second mandate this year from the $4bn Boston Retirement System, which wants to hire a manager to help it invest in strategies including secondaries.
The Latin America-focused private equity firm is working with Park Hill on a potential process, Secondaries Investor has learned.
The pension's secondaries portfolio has been outperformed by buyouts, distressed and growth equity over the past year but continues to beat its public market benchmark.
The pension plan of the world’s largest delivery business has not seen any tempting market opportunities for some time.
The plight of the Dallas Police and Fire Pension System, which has sold on the secondaries market as part of attempts to whittle down its alternatives portfolio, raises questions over governance and the risk for asset managers and advisors.