Lumin Digital, the Compounding Growth Platform for banks and credit unions, announced more than $70 million in new investment from its own clients, reflecting continued confidence in the company’s vision, execution, and long-term growth. This follows a recent $45 million growth equity financing led by Light Street Capital, bringing the business’s total fresh capital to more than $115 million.
The new funding will support Lumin’s innovation roadmap, accelerating advancements in AI, payments, CRM, lending, and other product expansion categories centered on its unified digital banking platform. The company said it has demonstrated consistent and sustainable growth, exceeded financial goals while improving margins and operational efficiency, and maintained a Net Promoter Score of 94. An independent study by 451 Research, part of S&P Global Market Intelligence, found clients see a 145% return on investment over five years with a 10.8-month payback period.
The announcement builds on Lumin Digital’s $170 million growth equity round completed in December 2024 and $75 million in client investment announced in March 2025, leaving the company with a strong balance sheet. Fifteen additional clients participated in this latest round alongside Light Street Capital’s continued investment. FT Partners served as the exclusive strategic and financial advisor to Lumin Digital on the transaction.
Founded in 2016, Lumin Digital operates a cloud-native, AI-accelerated platform designed to grow with financial institutions over time, and the company said its client-investor model reflects a broader philosophy that the institutions best positioned to serve their members are those with a stake in the tools they use.
KEY QUOTES:
“We’ve built Lumin around a simple idea: the financial institutions that depend on our platform should have a stake in it. Fifteen more clients made that commitment in this round, and Light Street doubled down on theirs. Together, that tells us something. The people who know this company best, our customers and our lead investor, believe in where we’re taking it. This capital accelerates Lumin’s platform expansion already underway, and we’re doing it with a cap table built for the long term.”
Jeff Chambers, Founder and CEO of Lumin Digital
“Lumin Digital’s commitment to serving banks and credit unions is unwavering, fostering a client relationship that is truly unique among software vendors. We are proud to continue our support of Lumin, in partnership with Clients, to build the go-to cloud platform for financial institutions in the era of AI.”
Kevin Sullivan, Partner at Light Street Capital
“We are investing in Lumin Digital because we’ve seen firsthand what the platform does for user growth and digital engagement. This is a company that has earned our trust, and investing was a natural extension of a relationship already built on shared outcomes.”
Dave Larson, Chief Executive Officer, Affinity Plus
