# Astromech Raises $20M at $3.8B Valuation for Predictive Biology AI

> Astromech, a spinoff from the ambitious biotech Colossal, has raised $20 million at a $3.8 billion valuation, up from $2 billion in March, in a round led by investor Bob Nelsen. Peak 6, NeoGenesis, Builders VC, and CA Investments also took part, bringing the company's total raised to about $60 million. Its goal is a kind of biological operating system, AI models that can forecast evolutionary and biological change rather than just describe it. Predicting how organisms, pathogens, or cells will shift over time is one of biology's hardest problems, and success would have obvious uses in drug design, agriculture, and disease response. Framing it as forecasting, in the way weather models predict storms, is an appealing pitch for what applied AI might unlock in the life sciences. The valuation is eye catching for a company still early in proving the science, and biological prediction has humbled plenty of well funded efforts before. Still, the pedigree of the backers and the Colossal lineage signal real conviction. The test will be whether the models make forecasts that hold up in the lab, not just in a pitch deck.

_Section: [AI Funding Tracker](https://www.wortins.com/funding) · Source: SiliconANGLE · Published Sunday, August 23, 2026_

## Wortins' read

Astromech, a spinoff from the ambitious biotech Colossal, has raised $20 million at a $3.8 billion valuation, up from $2 billion in March, in a round led by investor Bob Nelsen. Peak 6, NeoGenesis, Builders VC, and CA Investments also took part, bringing the company's total raised to about $60 million. Its goal is a kind of biological operating system, AI models that can forecast evolutionary and biological change rather than just describe it. Predicting how organisms, pathogens, or cells will shift over time is one of biology's hardest problems, and success would have obvious uses in drug design, agriculture, and disease response. Framing it as forecasting, in the way weather models predict storms, is an appealing pitch for what applied AI might unlock in the life sciences. The valuation is eye catching for a company still early in proving the science, and biological prediction has humbled plenty of well funded efforts before. Still, the pedigree of the backers and the Colossal lineage signal real conviction. The test will be whether the models make forecasts that hold up in the lab, not just in a pitch deck.

## Source

[Read the full story at SiliconANGLE](https://siliconangle.com/2026/08/20/astromech-raises-20m-to-build-a-biological-operating-system-that-can-forecast-evolutionary-change/)

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