Top 10 Funding Rounds This Week Led by Physical AI and Predictions

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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 showcased a strong assortment of major financing events, headlined by manufacturing startup Re:Build, which secured $2.1 billion, alongside predictions platform Kalshi, which pulled in an additional $1 billion. Additional sectors attracting substantial capital included construction automation, biotechnology, battery technology, and enterprise AI.

1. Re:Build, $2.1B, manufacturing: Re:Build, a manufacturing startup partnering with industrial companies and innovators across every stage from initial product design to high-volume production, locked down $2.1 billion in fresh capital. The financing for the 6-year-old, Framingham, Massachusetts-based enterprise was spearheaded by General Catalyst and JPMorganChase.

2. Kalshi, $1B, predictions marketplace: Predictions platform Kalshi revealed a $1 billion Series G funding event steered by Wellington Management and Sequoia Capital. This round values the New York-headquartered company at $40 billion post-money, with Kalshi reporting that its annualized trading volume has surpassed $1 trillion.

3. Bedrock Robotics, $600M, construction tech: San Francisco-based Bedrock Robotics, which builds autonomous systems designed for heavy construction machinery, collected $600 million in Series C capital led by CapitalG and Emergence Capital. The transaction pushes Bedrock’s cumulative funding near $1 billion and establishes a post-money valuation of $4.1 billion.

4. Dren Bio, $350M, biotech: Dren Bio, an organization creating antibody therapeutics targeting cancer and autoimmune conditions, finalized a $350 million investment round headed by Juvia Group and Lightspeed Venture Partners. The resources will advance clinical trials for blood cancer therapies developed by the San Carlos, California-based firm.

5. Group 14 Technologies, $169M, battery tech: Woodinville, Washington-based Group 14 Technologies, a producer and provider of advanced silicon battery components, grabbed $169 million in a Series D extension. The business also shared intentions to broaden its footprint into Europe via a manufacturing plant in Sagunto, Spain.

6. (tied) Firehawk Aerospace, $150M, defense tech: Firehawk Aerospace, an advanced propulsion technology creator, announced it secured upwards of $150 million in a Series D round valuing the enterprise at more than $1.4 billion. Advent and Rochefort directed the investment for the 7-year-old, Dallas-based company.

6. (tied) Serval, $150M, enterprise AI: Serval, a company specializing in coding agents for business automation, pulled in $150 million in Series C financing at a $3 billion valuation. Sequoia Capital led the transaction for the 2-year-old, San Francisco-based organization.

8. (tied) General Compute, $100M, AI infrastructure: AI cloud service provider General Compute secured $100 million in Series A funding led by Blackbird and Abstract. The company is scaling its infrastructure utilizing inference chips from Nvidia competitors Cerebras Systems, SambaNova, and Positron AI.

8. (tied) Foundry Robotics, $100M, autonomous factories: Emeryville, California-based Foundry Robotics, a firm centered on constructing and managing self-governing factories, finalized a $100 million Series A investment round led by Marlinspike.

8(tied) Hex Technologies, $100M, data analytics: Hex Technologies, a developer of an AI-native data analytics platform, brought in $100 million in new investments. Peak XV and 137 Ventures steered the round, granting the San Francisco-based company a $1.2 billion valuation.

Methodology

We monitored the largest publicly announced rounds within the Crunchbase database secured by U.S.-based businesses for the timeframe of Oct. 24-30, 2026. While the database captures the majority of disclosures, minor delays may occur due to rounds reported late in the week.

Illustration: Dom Guzman

Frequently Asked Questions

What was the largest funding round of the week?

Re:Build led the week with a $2.1 billion manufacturing funding round led by General Catalyst and JPMorganChase.

Which company achieved the highest post-money valuation among this week’s top rounds?

Kalshi achieved a $40 billion post-money valuation following its $1 billion Series G financing.

What sectors received significant venture capital this week?

Major funding rounds spanned physical AI, manufacturing, predictions marketplaces, construction technology, biotechnology, battery tech, defense tech, enterprise AI, AI infrastructure, and data analytics.

What criteria were used to select these funding rounds?

The list tracks the largest announced financing rounds raised by U.S.-based companies listed in the Crunchbase database during the specified weekly timeframe.

Are these funding figures final and exhaustive?

Most announced rounds are captured, though minor time lags can occur for deals reported late in the weekly cycle.