Capitolis raises $220 million, acquires eSecLending at $1.9 billion valuation

Capitolis, the New York-based financial technology company, on 6 October 2026 announced the completion of $220 million in financing — including a $120 million Series E equity round at a $1.9 billion valuation — to fund its acquisition of eSecLending, adding securities lending to its financial resource optimisation platform.

The deal marks a significant step in bank-driven consolidation across post-trade infrastructure, with a roster of global banks and market operators deepening their stakes in a fintech that sits at the intersection of capital optimisation and securities finance.

What happened

Capitolis closed the $220 million raise on 6 October 2026, structured as two tranches: a $120 million Series E equity financing and a separate debt component. The equity round was led by Citi, which is an existing investor in the company, at a valuation of $1.9 billion.

Three institutions joined as new strategic investors: Bank of America, Nomura, and Tradeweb Markets (Nasdaq: TW). Existing strategic investors Barclays, BNP Paribas, J.P. Morgan, State Street, and UBS also participated. Debt financing was provided by First Citizens Innovation Banking (formerly Silicon Valley Bank), Hercules Capital, and Pinegrove Venture Partners.

The proceeds are earmarked for Capitolis' acquisition of eSecLending, a transaction valued at $200 million according to the company's announcement. eSecLending is described as one of the largest securities lending agents globally, serving asset management firms, pension plans and other institutional investors.

Who is behind the deal

Capitolis was founded in 2017 and operates two core businesses: a Capital Marketplace and a Portfolio Optimisation unit. The company works with leading banks and financial institutions to address funding, capital and balance sheet challenges, and is backed by venture capital firms including Andreessen Horowitz, Sequoia Capital, Index Ventures and Spark Capital, alongside its growing roster of bank investors.

eSecLending brings an established network of institutional asset owners into the Capitolis ecosystem. By absorbing the agent lender, Capitolis extends its platform into securities lending — a market that, according to Serene Murphy, Global Head of Corporate Development at Tradeweb, has historically relied on manual processes.

Citi's rationale for leading the round was articulated by Siris Singh, Global Head of Markets Strategic Investments at Citi, who described the transaction as reflecting the bank's focus on investing in businesses shaping the infrastructure and evolution of global capital markets.

"We are pleased to have led this financing round, bringing together a group of strategic investors in support of Capitolis' next phase. The transaction reflects our continued focus on investing selectively in businesses shaping the infrastructure and evolution of global capital markets."

— Siris Singh, Global Head of Markets Strategic Investments at Citi, in the company's statement on 6 October 2026.

Why it matters

The financing round illustrates how major global banks are moving beyond passive investment in fintech and into active co-ownership of the infrastructure that underpins their own post-trade operations. With Citi leading and Bank of America, Nomura and Tradeweb Markets all entering as new strategic shareholders, Capitolis now counts an unusually broad coalition of financial institutions among its backers.

Securities lending is a multi-trillion-dollar market that has lagged behind other fixed-income and derivatives segments in terms of electronification and automation. The combination of eSecLending's agent-lending network with Capitolis' optimisation technology is positioned to accelerate that shift, according to the company's statement.

• $220 million total financing closed on 6 October 2026
• $120 million Series E equity at a $1.9 billion valuation
• $200 million acquisition price for eSecLending
• Citi led the equity round; Bank of America, Nomura and Tradeweb Markets joined as new strategic investors
• Debt provided by First Citizens Innovation Banking, Hercules Capital and Pinegrove Venture Partners
• eSecLending is one of the largest securities lending agents globally, serving asset managers and pension plans

For Tradeweb Markets, whose latest reported quarter showed earnings per share of $0.97 against an estimate of $0.94 and revenue of $0.56 billion in line with consensus, the strategic investment in Capitolis represents a direct extension of its electronification thesis into the securities lending segment.

Gil Mandelzis, Founder and Chief Executive Officer of Capitolis, framed the round as validation of the company's execution track record.

Context: post-trade consolidation gathers pace

The Capitolis-eSecLending transaction fits a broader pattern in which banks and market infrastructure operators are channelling capital into post-trade technology to reduce balance sheet drag and improve capital efficiency. Regulatory pressure on bank capital ratios has made optimisation tools increasingly valuable, and the willingness of institutions such as Citi, Bank of America and Nomura to co-invest alongside venture capital firms signals that the sector is maturing beyond early-stage fintech.

The company says it continues to build on rapid growth across both its Capital Marketplace and Portfolio Optimisation businesses, though specific revenue or volume figures were not disclosed in the announcement.

What to watch next

Several milestones and potential catalysts follow from the 6 October 2026 announcement:

• Closing of the eSecLending acquisition: The $200 million deal was announced alongside the financing; the timeline for regulatory approvals and formal completion was not specified in the company's statement.
• Platform integration: How quickly Capitolis integrates eSecLending's institutional asset-owner network into its financial resource optimisation platform will determine the pace of product expansion in securities lending.
• Electronification of securities lending: Tradeweb's stated view that securities lending is the "next frontier" in electronification sets a strategic benchmark; market participants will watch for new product launches or trading volumes that reflect the combined entity's capabilities.
• Further consolidation: The breadth of the investor syndicate — spanning bulge-bracket banks, regional institutions and a listed market operator — may signal appetite for additional acquisitions or partnerships in post-trade infrastructure.