Biggest Funding Rounds Oct 26 2026: $20.9B AI Energy Tech Deals

Leading AI and Legal AI Rounds

DeepSeek closed a massive $15.0B venture round in AI, anchoring the week's activity in artificial intelligence. Legal AI also drew strong interest as Legora raised $550.0M in its Series E. These two deals alone accounted for the majority of the $20.9B tracked across ten notable raises.

Major Energy and Defense Transactions

Other Energy saw significant capital with Resurge TopCo LP securing $2.5B via private placement. Defense startup Warhound attracted $200.0M in a venture round, highlighting continued investor appetite for specialized technology outside core AI.

Technology and Manufacturing Placements

Other Technology companies dominated the mid-tier activity. Modal Labs, Inc. raised $601.9M, FORMFACTOR INC took $300.0M, Town.com, Inc. closed $104.4M, and Boltz, PBC secured $97.4M, all through private placements. Manufacturing firm Send Cut Send, Inc. added $140.5M, while AMERICAN REPUBLIC INSURANCE CO completed a $95.0M health insurance placement.

Weekly Market Context

The ten rounds reflect concentrated interest in AI infrastructure, energy transition assets, and enterprise software tools. Private placements outnumbered traditional venture rounds, suggesting later-stage companies captured the bulk of capital. Total tracked funding reached $20.9B for the week ending October 26, 2026.

Investors continue to favor companies with proven scale in high-growth sectors. The distribution across AI, energy, and technology indicates diversified yet targeted deployment rather than broad market enthusiasm.

Takeaway: AI and energy rounds drove the majority of this week's $20.9B, with private placements providing liquidity to established technology and manufacturing businesses.