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From The CircuitryVerified tech news, cross-checked.How we verify →
  • Kalshi finishes $1 billion Series G round at $40 billion valuation with non-sports revenue climbingMarkets
  • FuriosaAI raises $620M Series D at $2.9B valuationMarkets
  • Hex raises $100M Series D at $1.2B valuation, unveils Hex 4.0Markets
  • Firehawk Defense Raises $150M+ Series D at Over $1.4B ValuationMarkets
  • Wealthsimple raises funds at C$13.8 billion valuationMarkets
  • Binance investigates suspected hack as outflows reportedly reach about $5.7 billionMarkets
  • ECB President Christine Lagarde to step down Feb. 7, months before term endsMarkets
  • Fed holds rates at 3.75% to 4% in a split vote as stocks close higherMarkets
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Bloomberg, SiliconANGLE, The Next Web, Globes, and Ctech corroborate Upwind's $400M Series C at $3.8B valuation with revenue quadrupling in 2026.

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Home/Markets/Upwind Raises $400 Million Series C at $3.8 Billion Valuation
VERIFIEDBy Xavier Rivera·Wednesday, October 28, 2026 at 9:56 AM AST·1.5 min read

Upwind Raises $400 Million Series C at $3.8 Billion Valuation

Upwind secured $400 million in Series C funding at a $3.8 billion valuation after revenue quadrupled in 2026. The capital will accelerate product work and go-to-market growth for its cloud and AI security platform.

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Upwind Raises $400 Million Series C at $3.8 Billion Valuation
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Upwind secured $400 million in Series C financing at a $3.8 billion valuation. The cloud and AI security firm reported revenue multiplying fourfold across 2026.

Round led by Bessemer with broad investor participation. Bessemer Venture Partners headed the round. Canapi Ventures joined along with prior backers Cyberstarts, Greylock Partners, Craft Ventures, Leaders Fund, Salesforce Ventures, TCV, Alta Park Capital, Penny Jar Capital, Cerca Partners, Swish Ventures, and Picture Capital.
The capital will speed product development and enlarge the go-to-market organization.

The new valuation rose sharply from the $1.5 billion figure tied to the Series B round completed in January 2026.

Platform targets runtime risks in cloud and AI environments. Upwind's Cloud and AI Security Platform merges runtime intelligence spanning cloud workloads, APIs, and AI agents. It supports security, development, and DevOps teams in spotting critical risks, mapping reachable exposures, addressing vulnerabilities, and identifying attacks instantly.
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The firm presents its method as distinct from fragmented security setups built on static scans and isolated alerts. It works with Amazon Web Services, Microsoft Azure, Google Cloud Platform, and Oracle Cloud Infrastructure, plus an AWS Security Hub connection that simplifies onboarding.
CEO Amiram Shachar highlighted the need for live-environment context as AI alters infrastructure architecture and threat scale.

Funds earmarked for product and go-to-market expansion. The capital will speed product development and enlarge the go-to-market organization. Upwind is also building specialized AI agents to probe threats independently, confirm attack-surface details through red-team testing, and fix infrastructure risks.
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CEO Amiram Shachar highlighted the need for live-environment context as AI alters infrastructure architecture and threat scale. Founded in 2022, the company now serves hundreds of organizations including Siemens, Roku, Carvana, Nubank, Supabase, and ClickUp. The financing supports growth amid rising pressure from AI-enabled attackers and autonomous agents inside enterprise settings.
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  • Markets·Oct 29

    Kalshi finishes $1 billion Series G round at $40 billion valuation with non-sports revenue climbing

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  • Markets·Oct 29

    FuriosaAI raises $620M Series D at $2.9B valuation

    FuriosaAI said it closed a $620 million (KRW 820 billion) Series D at a $2.9 billion post-money valuation, according to its blog. Bloomberg reports Korea's National Growth Fund put in about $280 million (KRW 370 billion) and international investors $110 million, with Infinitum the largest overseas backer per Korean press. The company says its RNGD accelerator is in mass production and it will produce 20,000 cards this year.

  • Markets·Oct 28

    Hex raises $100M Series D at $1.2B valuation, unveils Hex 4.0

    According to reports, Hex has raised $100 million in a Series D at a $1.2 billion valuation while unveiling Hex 4.0. The funding gives the data platform resources to expand teams and push AI-agent workflows to more than 2,500 customers.

  • Markets·Oct 28

    Firehawk Defense Raises $150M+ Series D at Over $1.4B Valuation

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  • Markets·Oct 27

    Wealthsimple raises funds at C$13.8 billion valuation

    Wealthsimple said it agreed an equity round of up to C$425 million at a post-money valuation of C$13.8 billion, led by GIC. The round includes C$300 million in primary capital and up to C$125 million in employee share sales.