San Mateo County Employees' Retirement Association, Redwood City, Calif., committed $15 million to ABRY Senior Equity VI, a special situations fund managed by ABRY Partners.
The commitment was made at the board's May 25 meeting, said an announcement on the retirement association's website.
The pension fund had a 6.6% allocation to private equity as of March 31, documents from the $5.5 billion pension fund's website show.
Michael Coultrip, chief investment officer, could not be immediately reached for additional information.