Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
| Metric | Lightmatter | Shein |
|---|---|---|
| Total funding | 2550000000 | $5.2B |
| Latest round | Series D+ | Series G |
| Amount | $500M | $2B |
| Date | Oct 2026 | Nov 2023 |
| Valuation | Undisclosed | $66B |
| Lead investors | Undisclosed | General Atlantic, Sequoia China |
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Photonic computing company building silicon photonics chips and interconnects for AI data centers. Series D ($400M, $4.4B valuation, Oct 2024). CEO Nick Harris called it "probably our last private funding round" — IPO timeline uncertain but expected post-2026.
| Industry | AI Infrastructure / Semiconductors |
| Stage | Series D+ |
| IPO Status | Private |
| Valuation | $13.0B |
| Total Funding | 2550000000 |
| Headquarters | Mountain View, CA |
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 |
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Lightmatter is valued at $13.0B. Shein is valued at $30-50B. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Lightmatter is currently private. Shein filed an S-1 in June 2026 and is actively in the IPO pipeline. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Lightmatter has raised 2550000000. Shein has raised $5.2B.
Lightmatter operates in AI Infrastructure / Semiconductors, while Shein operates in E-Commerce.
Lightmatter is a AI Infrastructure / Semiconductors company valued at $13.0B with 2550000000 raised. Shein is a E-Commerce company valued at $30-50B with $5.2B 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 Lightmatter and Shein 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.