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Lone Star Funds Acquires 2.2M-Square-Foot Silicon Valley R&D Portfolio

Reported by Citybiz
Sep 1, 2026· 3 min read
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Key Takeaways
  • • Lone Star Funds (via an affiliate of Lone Star Real Estate Fund VII) acquired a 2.2 million-square-foot advanced R&D portfolio spanning six campuses and 50 buildings across 140 acres in Silicon Valley's Golden Triangle, with financial terms undisclosed.
  • • The portfolio represents the largest institutional aggregation of Class A, predominantly single-story R&D properties in Silicon Valley, featuring specialized infrastructure including enhanced electrical power, HVAC systems, laboratories, clean rooms, and loading facilities designed for high-intensity technology operations.
  • • TMG Partners and Grove are joint venture partners managing the portfolio's operations, positioning the asset for tenants in artificial intelligence, advanced manufacturing, medical devices, and semiconductors—sectors requiring substantial specialized infrastructure difficult to replicate.
  • • Lone Star's investment thesis centers on the high switching costs and capital intensity required for technology companies to replicate R&D facilities with specialized power, ventilation, and laboratory capabilities, creating defensible long-term tenant relationships.
  • • The acquisition reflects Lone Star's confidence in Silicon Valley's technology sector fundamentals, with global head of commercial real estate Jérôme Foulon citing "significant opportunity" and "strong tailwinds across the business landscape."
Summary
Lone Star Funds has completed a significant institutional real estate acquisition in Silicon Valley, purchasing a 2.2 million-square-foot portfolio of specialized research-and-development properties that spans six separate campuses across approximately 140 acres in the region's Golden Triangle. The transaction, executed through an affiliate of Lone Star Real Estate Fund VII, consolidates 50 individual buildings and represents what the firm describes as the largest institutional aggregation of Class A, predominantly single-story R&D properties in the market. Financial terms were not disclosed.

The portfolio's strategic value lies in its specialized infrastructure, which differentiates it fundamentally from conventional office real estate. The buildings contain enhanced electrical systems, advanced HVAC infrastructure, laboratories, clean rooms, and specialized loading facilities designed to support technology companies engaged in research, engineering, and manufacturing. These capabilities are particularly relevant for tenants operating in artificial intelligence, advanced manufacturing, medical devices, and semiconductors—sectors where facility requirements often exceed traditional office space in terms of power density, environmental controls, and operational flexibility.

TMG Partners and Grove will serve as joint operating partners for the portfolio, managing day-to-day operations and tenant relations. The location within Silicon Valley's Golden Triangle provides convenient access to the broader San Francisco Bay Area's concentration of technology, manufacturing, and research enterprises, enhancing the asset's ability to attract quality tenants.

Lone Star's investment thesis emphasizes the significant barriers to replication in specialized R&D facilities. Companies requiring these capabilities must either locate within existing infrastructure or undertake substantial capital expenditures to develop comparable facilities—a process requiring substantial time and resources. This dynamic creates durable competitive advantages for well-positioned landlords and supports long-term tenant retention. Jérôme Foulon, global head of commercial real estate at Lone Star, characterized the acquisition as capitalizing on "significant opportunity" given "strong tailwinds across the business landscape right now in the Silicon Valley."

The acquisition reflects broader institutional investor confidence in Silicon Valley's technology sector and the structural demand for specialized real estate from research-intensive companies navigating an increasingly complex technology landscape.

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Citybiz Lone Star Funds Acquires 2.2M-Square-Foot Silicon Valley R&D Portfolio