Washington State Investment Board has approved $1.1bn (€877.8m) in follow-on real estate commitments.
Commitments of $600m and $500m were made to Calzada Capital Partners and Evergreen Real Estate Partners, respectively.
The pension fund has invested $2.72bn with Calzada and $3bn with Evergreen.
Calzada, which buys real estate operating companies in the Americas, places capital with companies investing in major property sectors.
It has around $4bn in assets under management.
The private equity firm has invested in Terramar Retail Centers, which owns neighbourhood shopping centres on the US West Coast, as well as in Corporate Properties of the Americas, which owns industrial property in Mexico.
Hometown America, an owner and operator of manufactured housing, Pacific Beachcomber, a luxury hospitality renovation firm in French Polynesia and Pivotal Capital Group have also received capital as part of Calzada’s niche investment strategy.
Evergreen, which invests in US-based real estate operating companies, will use capital for future growth.
The company mostly makes investments in the office, industrial, retail and apartment sectors.
It expanded its investment platform to adopt a global strategy in 2007.
Prior to this, it invested only in US companies or properties.