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Washington State Investment Board unveils $500m of planned commitments to Stonepeak, TPG funds
Investors - JUNE 26, 2025

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Washington State Investment Board unveils $500m of planned commitments to Stonepeak, TPG funds

by Kali Persall

The Washington State Investment Board (WSIB) is planning $500 million of investments into both an infrastructure and a climate-focused fund.

The WSIB is considering an investment of up to $300 million in Stonepeak Infrastructure Fund V (SIF V), managed by Stonepeak Infrastructure Partners. SIF V is seeking to raise $15 billion and will invest in large, high-quality, essential infrastructure assets primarily within the transportation and logistics, energy and energy-transition, and communications sectors. SIF V will invest primarily within the United States and Canada and has a limit to invest no more than 25 percent of its capital outside of those countries.

Other investors in SIF V include the Oregon Investment Council, the Virginia Retirement System, the Orange County Employees Retirement System, the Teachers’ Retirement System of Illinois, the Rhode Island State Investment Commission, and Connecticut Retirement Plans and Trust Funds.

The WSIB also is commit

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