Weights & Biases: $1.25B valuation, IPO Readiness 75, Series D. Weights & Biases (W&B) is the machine learning experimentation platform enabling data scientists to track expe. Track live on The IPO Stack.
Weights & Biases (W&B) is the machine learning experimentation platform enabling data scientists to track experiments, evaluate models, compare results, and collaborate on AI development. Valued at $1.25B with $200M raised, W&B has 1M+ users and serves research teams at Google, OpenAI, Anthropic, and Salesforce. Major AI infrastructure IPO candidate competing with MLflow and Neptune.ai in the $30B+ MLops market.
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Track Weights & Biases IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.
Weights & Biases has not announced a specific IPO date as of 2026. With an IPO Readiness Score of 75/100, the company shows strong pre-IPO signals. Subscribe to The IPO Stack newsletter for weekly updates.
Weights & Biases is valued at $1.25B as of October 2021. This valuation is based on its most recent private funding round tracked by TechStackIPO.
Accredited investors can access Weights & Biases shares through secondary market platforms, pre-IPO investment funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace tracks available access options. Note: pre-IPO investments carry higher risk and limited liquidity compared to public market investing.
Weights & Biases scores 75/100 (Grade: B) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.
Weights & Biases has raised $550M in total venture capital and private equity funding, with backing from NEA, Insight Partners, NVIDIA.
Weights & Biases's notable investors include NEA, Insight Partners, NVIDIA, Coatue, Felicis Ventures. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.
Weights & Biases is a Artificial Intelligence company. Weights & Biases (W&B) is the machine learning experimentation platform enabling data scientists to track experiments, e.