Abnormal Security: $5.1B valuation, IPO Readiness 83, Pre-IPO. Filed S-1 with the SEC on May 2026 — IPO actively in progress. Track live on The IPO Stack.
AI-native email security platform using behavioral AI to stop advanced phishing and business email compromise.
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Top companies most likely to IPO in 2026, ranked by IPO Readiness Score.
Track Abnormal Security IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.
Abnormal Security filed its S-1 registration statement with the SEC on May 1, 2026. The IPO timeline depends on SEC review and market conditions. Track the latest signals on TechStackIPO.
Abnormal Security is valued at $5.1B as of May 2024. This valuation is based on its most recent private funding round tracked by TechStackIPO.
Accredited investors can access Abnormal Security 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.
Abnormal Security scores 83/100 (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.
Yes — Abnormal Security filed an S-1 registration statement with the SEC on May 1, 2026, indicating an active IPO process.
Abnormal Security has raised $620M in total venture capital and private equity funding, with backing from Greylock Partners, Menlo Ventures, Insight Partners.
Abnormal Security's notable investors include Greylock Partners, Menlo Ventures, Insight Partners, Insight Ventures, Wellington Management. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.
Abnormal Security is a Cybersecurity company. AI-native email security platform using behavioral AI to stop advanced phishing and business email compromise.