Top Funding Wrap Of The Week – 28 September – 02 October 2026

Reflection

Reflection, a U.S.-based AI research lab, has secured $800 million in funding from Nvidia.

SignSplit

SignSplit PBC, a technology company building infrastructure for people and institutions to protect, license and contribute their data, work and likeness, has emerged from stealth with a $400 million strategic Seed funding commitment from W Group.

Atomic Machines

Atomic Machines, an Emeryville, CA-based provider of an AI-native, all-digital manufacturing system that builds micro-machines directly from code, has secured $250 million in a funding round.

Vinci

Vinci, a Palo Alto, CA-based provider of an AI-native computational platform for hardware engineering, has raised $250 million in a Series B funding round at a $1.5B valuation.

Voltus

Voltus, a San Francisco, CA-based provider of a distributed energy resource (DER) technology platform and virtual power plant operator, has secured $225 million in a Series D funding round.

Valon

Valon, a NYC- and San Francisco, CA-based provider of an AI-native operating system for regulated finance, has raised $150 million in a Series D funding round at a $2.3 billion valuation. The funding was backed by Ribbit Capital and Andreessen Horowitz.

General Medicine

General Medicine, a San Francisco, CA-based provider of a nationwide healthcare store platform, has secured $120 million in a Series B funding round, led by Andreessen Horowitz (a16z), bringing the total amount to $152 million.

Parallel Systems

Parallel Systems, a Los Angeles, CA-based provider of a battery-electric autonomous freight rail solution, has raised $100 million in a Series C funding round, bringing the total amount to over $200 million.

KymaThera

KymaThera, a San Diego, CA-based provider of precision medicines for genetically defined diseases, has raised $80 million in a Series B funding round, led by Alta Partners, bringing the total amount to over $100 million.

Clockwork.io

Clockwork.io, a Palo Alto, CA-based provider of fault-tolerance software for AI training, reinforcement learning, and inference workloads, has secured $31 million in a funding round, bringing the total amount to $73 million.

Name the Top USA Startups Funding Roundup in This Week(Top Funding Wrap of the Week – 05 September – 09 October 2026)

Reflection, SignSplit, Atomic Machines, Vinci, Voltus, Valon, General Medicine, Parallel Systems, KymaThera, and Clockwork.io vare the top 10 USA Startups Funding Roundup in This Week.