Portal Warehousing and GCM Grosvenor have established a long-term partnership to acquire value-add industrial properties and provide flexible, small-scale industrial space to what they described as a structurally undersupplied segment of the market. As part of the partnership, GCM Grosvenor will join Portal’s board of directors.
Micro-bay industrial, defined as warehouse space under 5,000 square feet, sits below the typical size range of small-bay industrial and addresses a structural supply-and-demand imbalance in the market. Portal focuses on the smallest end of the micro-bay segment, offering warehouse suites ranging from 200 to 2,500 square feet.
“We’re excited to partner with GCM Grosvenor to support the next phase of our growth,” said Alex Morrison, CEO of Portal Warehousing. “This partnership validates that micro-bay industrial is a distinct, institutionally investable asset class within industrial real estate. With GCM Grosvenor’s backing, we can scale our platform nationwide and establish Portal as a category leader.”
Don’t miss Carter Andrus, Chief Operating Officer of Prologis, as the keynote interview at Connect Industrial Midwest— taking place Tuesday afternoon, March 10, 2026, at Joe’s Live in Rosemont, IL.
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