The IFM Global Infrastructure Fund, managed by IFM Investors, has received a follow-on commitment of $10 million from the Cambridge (Mass.) Retirement System.
The $1.4 billion pension fund previously committed $39 million to the open-end investment vehicle.
Neither of the groups could be reached to comment on the investment.
IFM Investors manages funds across the infrastructure, debt investments, liquid equities and private equity asset classes.
Within the infrastructure sector, the firm manages A$57.9 billion ($40.6 billion) in infrastructure on behalf of more than 360 institutional investors, targeting core infrastructure in developed markets. IFM currently has interests in 33 investments across Australia, North America and Europe.