Company intelligence
As of July 20, 2026, Twenty was last valued at $1.2B (July 2026 Series B extension) and has raised at least $130M in equity across 2 sourced funding rounds.
Arlington, VA startup industrializing offensive cyber warfare for the U.S. military and Intelligence Community — America's first VC-backed cyber warfare company, a unicorn at a $1B+ valuation within two years of founding.
Is something wrong on this page?
Twenty is a defense company, based in Arlington, VA, founded 2024 by Joe Lin.
| Date | Round | Amount | Valuation | Lead investors | Source |
|---|---|---|---|---|---|
| Jul 20, 2026 | Series B extension | $30M | $1.2Bpost-money | PR Newswire | |
| Jun 17, 2026 | Series B | $100M | $1Bpost-money | SiliconANGLE |
Equity only. “Equity raised” above sums the rounds with a dated, linked source; rumored rounds, tender offers and secondary sales are listed but not counted, and debt financing is listed separately.
Arlington-based cybersecurity and defense startup Twenty Technologies raised a $100M Series B led by Accel at a $1B valuation, joining a growing cohort of defense-tech companies crossing unicorn status this year.
Twenty-five companies including Nvidia, Microsoft, Meta and a16z published a joint letter urging Washington to avoid "premature restrictions" on open-weight AI models, with OpenAI and Anthropic notably absent from the signatories.
Twenty Technologies, an Arlington-based startup building automated offensive cyber operations for the U.S. military and intelligence community, raised a $100 million Series B at a $1 billion valuation led by Accel, with Point72 Ventures, Caffeinated Capital, and Friends & Family Capital participating. The round, which brings total funding to $138 million, mints a defense-tech unicorn in a category most VCs avoided a few years ago.
Arlington-based Twenty raised a $100M Series B at a $1B valuation to build AI-enabled offensive cyber systems for US military and intelligence customers. It's a rare unicorn-on-Series-B in defense tech and a clean signal that offensive cyber is now a venture category.
Twenty, an Arlington-based startup building AI-enabled offensive cyber systems for the US military and intelligence community, raised a $100 million Series B led by Accel at a $1 billion valuation. Founded only in 2024, it's billing itself as America's first VC-backed cyber-warfare company and just hit unicorn status.
Twenty was last valued at $1.2B in its July 2026 Series B extension, according to PR Newswire (July 20, 2026).
Twenty has raised at least $130M in equity across 2 sourced funding rounds tracked by Value Add VC. The most recent was a $30M Series B extension in July 2026 at a $1.2B post-money valuation, reported by PR Newswire. Debt financing, tender offers and secondary sales are not counted. PR Newswire puts total funding at $168M (July 2026).
Lead investors in Twenty's sourced funding rounds include Khosla Ventures and Accel. Per round: its July 2026 Series B extension was led by Khosla Ventures; its June 2026 Series B was led by Accel.
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.
