Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
| Metric | Shein | Weights & Biases |
|---|---|---|
| Total funding | $5.2B | $850M |
| Latest round | Series G | Series F |
| Amount | $2B | $200M |
| Date | Nov 2023 | Aug 2026 |
| Valuation | $66B | Undisclosed |
| Lead investors | General Atlantic, Sequoia China | Undisclosed |
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Shein is the world's largest fast fashion company, valued at $66B with $5.2B raised. Track IPO readiness score, funding history, and public market timeline.
| Industry | E-Commerce |
| Stage | Pre-IPO |
| IPO Status | Pre-IPO |
| Valuation | $30-50B |
| Total Funding | $5.2B |
| Headquarters | Singapore |
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.
| Industry | Artificial Intelligence |
| Stage | Series F |
| IPO Status | Pre-IPO |
| Valuation | $2.5B |
| Total Funding | $850M |
| Headquarters | San Francisco, CA |
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Shein is valued at $30-50B. Weights & Biases is valued at $2.5B. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Shein filed an S-1 in June 2026 and is actively in the IPO pipeline. Weights & Biases is currently pre-IPO. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Shein has raised $5.2B. Weights & Biases has raised $850M.
Shein operates in E-Commerce, while Weights & Biases operates in Artificial Intelligence.
Shein is a E-Commerce company valued at $30-50B with $5.2B raised. Weights & Biases is a Artificial Intelligence company valued at $2.5B with $850M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor access options.
Accredited investors can access pre-IPO shares in Shein and Weights & Biases through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.