The $13.1bn pension is an investor in Landmark funds XI, XIII and XIV.
The UK-headquartered secondaries firm has wrapped up two years of fundraising for its fourth mid-market fund.
The firm exceeded its $350m target, raising a total of $650m for secondaries including separately managed accounts.
The $72.8 billion pension plan has approved an investment to Blackstone's new Asia-focused vehicle. It also announced an update to its real estate secondary offering.
The asset manager raised $500m more than its original target.
Unlike its predecessor fund, DB Secondary Opportunities Fund II targeted US investors, which make up 40% of the fund commitments.
The Connecticut-based fund of funds manager is back in the market with a new fund seeking $400 million to invest in opportunistic and value-added real estate vehicles as well as secondaries.
The $49.5 billion pension system will make sizable investments in new value-added funds from Blackstone and Paramount, as well as its own co-investment and secondary program.
The niche secondaries investor - which has helped firms including SVG with refinancing needs - had a 75% re-up rate for a fund that's more than double the size of its predecessor.
The firm is expected to hold a first close on its third mid-market secondaries fund by the end of the year.