THL Partners (THL) has completed the sale of AMI, a global provider of firmware and platform management solutions, to Lattice Semiconductor, marking a significant move in the evolving AI infrastructure landscape. As part of the deal, THL will retain an equity stake in Lattice.
THL originally acquired a majority interest in AMI in 2024 through THL Equity Fund IX and THL Automation Fund I, betting on the company’s strategic role at the intersection of semiconductors, cloud infrastructure, and enterprise computing.
The investment aligned with THL’s broader conviction in AI infrastructure, particularly across the stack that supports next-generation computing, from silicon to firmware and system-level management.
AMI plays a critical role in this ecosystem, developing foundational software that enables modern computing systems to boot, manage, and secure increasingly complex hardware environments. Its position has become more relevant amid rising global investments in AI and data center infrastructure.
During its ownership, THL worked closely with AMI’s leadership to strengthen operations, refine its commercial approach, and expand its relationships across semiconductor companies and hyperscale cloud providers. These efforts were aimed at positioning AMI to capitalize on the accelerating demand for AI-driven compute infrastructure.
The exit also underscores THL’s growing presence in the global compute ecosystem, complementing its other investments, including Brooks Automation, as it continues to build exposure across critical segments of the semiconductor and AI value chain.
Leadership Comments
“AMI exemplifies the type of business in which we seek to invest – one that provides differentiated technology at the heart of an important and growing ecosystem,” said Jim Carlisle, Managing Director and Head of Technology & Business Solutions at THL. “It has been a privilege to partner with Sanjoy and the entire AMI team. Together, we strengthened an already outstanding business through investment in people and product and driven by relentless focus on AMI’s customers, the world’s leading technology 
companies. We believe AMI is exceptionally well positioned for its next chapter with Lattice Semiconductor, and we wish the team continued success.”
Sanjoy Maity, Chief Executive Officer of AMI, said, “THL has been an outstanding partner throughout this important period in AMI’s growth. The firm’s deep understanding of semiconductors, infrastructure software, and AI, combined with its collaborative approach and operational support, helped us strengthen our organization while continuing to innovate for our customers. We are grateful for THL’s partnership and look forward to building on that momentum as part of Lattice Semiconductor.”
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