Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
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Faire is the wholesale marketplace connecting 700K+ independent retailers with 100K+ emerging brands — the B2B commerce platform for the indie retail economy. Valued at $12.4B with $1.7B raised, Faire processes billions in annual GMV and is the dominant wholesale marketplace globally. IPO candidate as B2B commerce digitisation continues to disrupt traditional wholesale distribution — a $50B+ global market.
| Industry | E-commerce |
| Stage | Series H |
| IPO Status | Private |
| Valuation | $12.4B |
| Total Funding | $1.7B |
| Headquarters | San Francisco, CA |
Substack is the newsletter publishing platform enabling writers, journalists, and creators to build paid subscription audiences and monetize their expertise directly. Valued at $650M with $65M raised, Substack has paid out $500M+ to creators and hosts 2M+ active publications. Major creator economy IPO candidate as newsletter-based publishing becomes a legitimate independent media category.
| Industry | Media Technology |
| Stage | Series C |
| IPO Status | Pre-IPO |
| Valuation | $750M |
| Total Funding | $140M |
| Headquarters | San Francisco, CA |
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Faire is valued at $12.4B. Substack is valued at $750M. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Faire filed an S-1 in April 2026 and is actively in the IPO pipeline. Substack is currently pre-IPO. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Faire has raised $1.7B. Substack has raised $140M.
Faire operates in E-commerce, while Substack operates in Media Technology.
Faire is a E-commerce company valued at $12.4B with $1.7B raised. Substack is a Media Technology company valued at $750M with $140M 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 Faire and Substack 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.