Following a sluggish holiday week and weekend, investors seem keen to make up for lost time, with several investing large sums in recent funding rounds. VCs spread their cash around liberally, notching big rounds in semiconductors, biotech, carbon capture, and more.

Tenstorrent, $693M, Semiconductor

Jim Keller’s chip startup Tenstorrent raised nearly $700 million in Series D funding, giving it a $2.6 billion valuation. The cash infusion was led by Samsung Securities and AFW Partners and included Jeff Bezos’ Bezos Expeditions and Fidelity Management & Research Co., among others. Tenstorrent says it plans to use the new capital to “build out open-source AI software stacks, hire developers, expand its global development and design centers, and build systems and clouds for AI developers.”

Nuvig Therapeutics, $161M, Biotech

The biggest biotech round of the week went to Menlo Park, California-based Nuvig Therapeutics, which raised $161 million in a Series B co-led by Sanofi Ventures, Blue Owl Healthcare Opportunities (formerly Cowen Healthcare Investments), and Norwest Venture Partners. The biotech startup is developing immunomodulatory therapeutics for patients with inflammatory autoimmune diseases. The company currently has a therapy set to enter Phase 2 clinical development. Founded in 2021, Nuvig has raised $208 million.

Heirloom, $150M, Carbon Capture

Direct air capture company Heirloom raised $150 million in Series B funding led by Future Positive and Lowercarbon Capital. The Brisbane, California-based climate tech firm uses modified limestone to pull CO₂ from the atmosphere. Heirloom’s new funding comes amid a boom period for carbon capture startups. Founded in 2020, the company has raised more than $204 million.

Tractian, $120M, Manufacturing

Manufacturing AI startup Tractian is the latest company using emerging tech to capture investors’ attention, snapping up a $120 million Series C funding round led by Sapphire Ventures. The Atlanta-based company’s AI platform is straightforward, combining hardware, software, and AI to modernize manufacturing maintenance processes. Founded in 2019, Tractian has raised more than $180 million. In August 2023, the company closed a $45 million growth capital round led by General Catalyst.

Maze Therapeutics, $115M, Biotech

South San Francisco-based Maze Therapeutics, a clinical-stage biopharmaceutical company developing medicines for renal, cardiovascular, and metabolic diseases, completed a $115 million Series D co-led by Deep Track Capital and Frazier Life Sciences. The round included the conversion of issued convertible notes. Founded in 2018, Maze has raised $496 million.

Cleerly, $106M, Healthcare

Denver-based Cleerly, a cardiovascular imaging startup, raised a $106 million Series C extension led by Insight Partners. Founded in 2017, the company has raised nearly $387 million.

Public, $105M, Fintech

Investment platform Public raised $135 million in equity and debt financing as it looks to grow its AI-enabled research features. The financing, which New York-based Public described as a Series D-2, included $105 million in equity and $30 million in debt, with Accel as the lead investor. Founded in 2019, the company has raised more than $300 million in venture funding.

Upwind Security, $100M, Cybersecurity

Cloud security is increasingly important as more companies shift massive amounts of data to the cloud. Cloud security firm Upwind capitalized on this trend, raising a $100 million round led by Craft Ventures. The San Francisco-based startup reportedly is valued at $900 million following the new funding. Founded in 2022, the company has raised $180 million.

AMP Robotics, $91M, Recycling

Denver-based AMP Robotics, which creates AI-powered sortation systems for the waste and recycling industry, raised a $91 million Series D led by Congruent Ventures. Founded in 2015, the company has raised $266 million.

Axiado Corp., $60M, Cybersecurity

San Jose, California-based Axiado, a hardware security startup, raised $60 million in a Series C led by Maverick Silicon. Founded in 2017, the company has raised $105 million.