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Weil Advised Blackstone in $400M Series F Funding for Cyera

Reported by Weil
Jan 9, 2026· 2 min read
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Key Takeaways
  • • Blackstone led a $400 million Series F funding round for Cyera, an AI and data security company, valuing the firm at $9 billion—tripling its valuation from one year prior.
  • • The round brings Cyera's total funding to over $1.7 billion and closed just six months after its previous funding round, signaling accelerated growth momentum in the AI-driven cybersecurity sector.
  • • Cyera secured participation from 10 existing investors including Accel, Sequoia Capital, Coatue, Lightspeed Venture Partners, and Greenoaks, demonstrating strong institutional confidence in the company's market position.
  • • Weil, Gotshal & Manges advised Blackstone across multiple practice areas, including private equity, tax, technology transactions, privacy & cybersecurity, and antitrust, reflecting the deal's complexity and cross-functional scope.
Summary
Blackstone has led a $400 million Series F funding round for Cyera, positioning the Israeli-founded AI and data security company at a $9 billion valuation. The raise represents a significant acceleration of capital deployment, closing within six months of Cyera's previous funding round and tripling the company's valuation year-over-year. With total funding now exceeding $1.7 billion, Cyera has established itself as a major player in the convergence of artificial intelligence and enterprise data security.

The funding round secured broad participation from established venture investors, with 10 existing stakeholders participating alongside Blackstone's lead investment. The investor syndicate includes Accel, Coatue, Cyberstarts, Georgian, Greenoaks, Lightspeed Venture Partners, Redpoint, Sapphire, Sequoia Capital, and Spark Capital. This depth of repeat investment from top-tier venture firms underscores market validation for Cyera's technology and go-to-market strategy during a period of elevated institutional focus on AI-powered security solutions.

Weil, Gotshal & Manges provided comprehensive legal advisory services to Blackstone across the transaction, engaging specialists across 11 distinct practice areas. The deal team was led by Private Equity partner Nicholas Doloresco and included representation from tax, executive compensation, employment, technology transactions, privacy and cybersecurity, regulatory, and antitrust groups. This multi-disciplinary approach reflects standard practice in large growth-stage venture capital transactions where regulatory, tax, and intellectual property considerations require specialized counsel.

The timing and scale of Cyera's Series F signal strong institutional appetite for enterprise cybersecurity solutions with artificial intelligence capabilities, particularly as organizations prioritize data protection amid evolving threat landscapes. The rapid capital raise cycle—with two major rounds within six months—suggests both competitive market conditions and strong revenue metrics supporting the elevated valuation.

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Sources

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Weil Weil Advised Blackstone in $400M Series F Funding for Cyera