--- title: "Top 10 Announced Funding Rounds: Re:Build and Kalshi Lead the Way" url: https://adtech.lol/articles/ef4229af-320d-42ae-8aa0-2cbca796cb7d source_url: https://news.crunchbase.com/venture/biggest-rounds-startups-physical-ai-predictions-robotics-rebuild/ source_site: crunchbase author: "Joanna Glasner" published: 2026-10-30T00:00:00+00:00 tags: ["funding", "venture capital", "startups", "technology"] publisher: AdTech Radar --- # Top 10 Announced Funding Rounds: Re:Build and Kalshi Lead the Way > This week featured a robust lineup of large rounds, led by manufacturing startup Re:Build, which closed on $2.1 billion, and predictions marketplace Kalshi, which picked up another $1 billion. ## Top 10 Announced Funding Rounds: Re:Build and Kalshi Lead the Way This week featured a robust lineup of large rounds, led by manufacturing startup [Re:Build](https://www.crunchbase.com/organization/rebuild-770e), which closed on $2.1 billion, and predictions marketplace [Kalshi](https://www.crunchbase.com/organization/kalshi), which picked up another $1 billion. Other sectors in which startups drew significant rounds included construction automation, biotech, batteries and enterprise AI. 1. **[Re:Build](https://www.crunchbase.com/organization/rebuild-770e), $2.1B, manufacturing:** Re:Build, a manufacturing startup that partners with industrial companies and innovators from the product design phase to large-scale production, secured $2.1 billion in new funding. [General Catalyst](https://www.crunchbase.com/organization/general-catalyst-partners) and [JPMorganChase](https://www.crunchbase.com/organization/jpmorgan-chase-co) led the financing for the 6-year-old, Framingham, Massachusetts-based company. 2. **[Kalshi](https://www.crunchbase.com/organization/kalshi), $1B, predictions marketplace:** Predictions marketplace Kalshi announced a $1 billion Series G financing led by [Wellington Management](https://www.crunchbase.com/organization/wellington-management) and [Sequoia Capital](https://www.crunchbase.com/organization/sequoia-capital). The round set a $40 billion post-money valuation for New York-based Kalshi, which says its business’ annualized trading volume now exceeds $1 trillion. 3. **[Bedrock Robotics](https://www.crunchbase.com/organization/bedrock-robotics#overview), $600M, construction tech:** San Francisco-based Bedrock Robotics, a developer of autonomous systems for heavy equipment used in construction, raised $600 million in Series C funding led by [CapitalG](https://www.crunchbase.com/organization/capitalg) and [Emergence Capital](https://www.crunchbase.com/organization/emergence-capital-partners). The round brings Bedrock’s total funding to nearly $1 billion and sets a post-money valuation of $4.1 billion. 4. **[Dren Bio](https://www.crunchbase.com/organization/dren-bio), $350M, biotech:** Dren Bio, a developer of antibody therapeutics for cancer and autoimmune diseases, closed on $350 million in a new round led by [Juvia Group](https://www.crunchbase.com/organization/juvia-group) and [Lightspeed Venture Partners](https://www.crunchbase.com/organization/lightspeed-venture-partners). The funding will support advanced trials for the San Carlos, California-based company’s blood cancer therapies. 5. **[Group 14 Technologies](https://www.crunchbase.com/organization/group14-technologies), $169M, battery tech:** Woodinville, Washington-based Group 14 Technologies, a manufacturer and supplier of advanced silicon battery materials, picked up $169 million in Series D extension funding. The company also announced plans to expand into Europe with a production facility in Sagunto, Spain. 6. (tied) **[Firehawk Aerospace](https://www.crunchbase.com/organization/firehawk-aerospace), $150M, defense tech:** Firehawk Aerospace, a developer of propulsion technology, said it secured over $150 million in Series D funding at a valuation of more than $1.4 billion. [Advent](https://www.crunchbase.com/organization/advent-international) and [Rochefort](https://www.crunchbase.com/organization/rochefort) led the financing for the 7-year-old, Dallas-based company. 6. (tied) **[Serval](https://www.crunchbase.com/organization/serval-a045#overview), $150M, enterprise AI:** Serval, a startup focused on coding agents for enterprise automation, raised $150 million in Series C funding at a $3 billion valuation. [Sequoia Capital](https://www.crunchbase.com/organization/sequoia-capital) led the round for the 2-year-old, San Francisco-based company. 8. (tied) **[General Compute](https://www.crunchbase.com/organization/general-compute-3a9e), $100M, AI infrastructure:** AI cloud provider General Compute picked up $100 million in Series A funding led by [Blackbird](https://www.crunchbase.com/organization/blackbird-ventures-australia) and [Abstract](https://www.crunchbase.com/organization/a-list-ventures). The company is building out its infrastructure using inference chips from [Nvidia](https://www.crunchbase.com/organization/nvidia) rivals [Cerebras Systems](https://www.crunchbase.com/organization/cerebras-systems), [SambaNova](https://www.crunchbase.com/organization/sambanova-systems) and [Positron AI](https://www.crunchbase.com/organization/positron-d708). 8. (tied) **[Foundry Robotics](https://www.crunchbase.com/organization/foundry-robotics), $100M, autonomous factories:** Emeryville, California-based Foundry Robotics, a startup focused on building and operating autonomous factories, closed on $100 million in a Series A funding round led by [Marlinspike](https://www.crunchbase.com/organization/marlinspike). 8(tied) **[Hex Technologies](https://www.crunchbase.com/organization/hex-technologies-inc), $100M, data analytics:** Hex Technologies, a startup focused on building an AI-native platform for data analytics, secured $100 million in new financing. [Peak XV](https://www.crunchbase.com/organization/sequoia-india-2) and [137 Ventures](https://www.crunchbase.com/organization/137-ventures) led the round, which set a $1.2 billion valuation for the San Francisco-based company. ## Methodology We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of Oct. 24-30, 2026. Although most announced rounds are in the database, there may be a small time lag, as some rounds are reported late in the week. _Illustration: [Dom Guzman](https://www.domguzman.com/) Tags [unicorn](https://news.crunchbase.com/tag/unicorn/) Source: [https://news.crunchbase.com/venture/biggest-rounds-startups-physical-ai-predictions-robotics-rebuild/](https://news.crunchbase.com/venture/biggest-rounds-startups-physical-ai-predictions-robotics-rebuild/)