
Crunchbase News: The Week’s 10 Biggest Funding Rounds: AI, Defense And Space Tech Lead For Large Rounds
Want to keep track of the largest startup funding deals in 2026 with our curated list of $100 million-plus venture deals to U.S.-based companies? Check out The Crunchbase Megadeals Board. This is a weekly feature that runs down the week’s Top 10 announced funding rounds in the U.S. Check out last week’s biggest funding deal roundup here. This week brought another plethora of large funding rounds for startups and growth-stage companies. Shield AI, a defense tech player focused on autonomy and vir
This article tracks the largest venture funding rounds announced in the U.S. during a single week in late 2026. Defense tech, space tech, and artificial intelligence companies dominated the funding landscape, with the top two deals involving a defense autonomy developer and a drone delivery provider. The weekly roundup provides a snapshot of where venture capital is concentrating at a given moment, reflecting investor priorities across sectors like AI infrastructure, robotics, and enterprise software.
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OpenAI has reportedly raised an additional $11 billion as part of a funding round that hasn't closed yet but is expected to in the coming weeks.
Also reported by The Verge and SiliconANGLE

Dropbox announced Thursday plans to acquire Tigris Data for $350 million in a transaction the company told Crunchbase News would mark its largest acquisition since its founding in 2007. Founded by former Uber engineers, Sunnyvale, California-based Tigris is building a network of localized data storage centers that it claims can meet the distributed compute needs of modern AI workloads. Tigris has raised about $31.9 million since its founding in 2021, per Crunchbase data. Its October 2025 Series
Also reported by TechCrunch

The startup allows software engineers to deploy teams of agents to work on various aspects of a project simultaneously.
Also reported by SiliconANGLE

OpenAI will acquire Pierre Computer Company, expanding Codex’s tools for building, understanding, and reviewing code.
Also reported by SiliconANGLE

The five-year-old startup raised a $1.3 billion round led by Bessemer.
Also reported by SiliconANGLE

Clutch, backed by Lightspeed and SignalFire, was last valued at $85 million, according to a source.