Companies
Companies that have announced IPO plans or filed S-1 — closest to public markets. Currently tracking 235 companies. Last updated May 2026.
Companies that have announced IPO plans or filed S-1 — closest to public markets. Currently tracking 235 companies at this stage. Last updated May 2026 on TechStackIPO.
Data sourced from SEC EDGAR filings, company press releases, and verified public announcements. Browse all companies →
Pre-IPO companies have either announced IPO plans, filed confidential S-1 registration statements, or are widely expected to go public within 12-24 months. This is the most actively watched cohort on TechStackIPO, as S-1 filings, pricing announcements, and roadshow activity can happen rapidly once a company enters this phase. Pre-IPO companies are also the most accessible to retail investors through secondary market platforms like Forge Global and EquityZen, which facilitate private share transactions. TechStackIPO provides real-time monitoring of SEC EDGAR filings, exchange selection decisions, and underwriter appointments for all pre-IPO companies in our database.
TechStackIPO currently tracks 235 companies at the Pre-IPO stage. This includes companies across technology, fintech, AI, cybersecurity, healthcare, and other high-growth sectors.
Companies that have announced IPO plans or filed S-1 — closest to public markets. Companies at this stage typically share characteristics in revenue scale, team size, and institutional backing.
Accredited investors can access pre-IPO shares in select Pre-IPO companies through secondary market platforms including Forge Global, EquityZen, and Hiive. Availability depends on shareholder willingness to sell and minimum investment thresholds typically range from $10,000 to $50,000.