OpenEvidence Current · Verified less than 14 days ago · Last verified: Oct 14, 2026

OpenEvidence: $3.0B valuation, IPO Readiness 67, Series C. Filed S-1 with the SEC on September 2026 — IPO actively in progress. Track live on The IPO Stack.

Series CHealthcare Technologys-1-filed
67
/100
IPO Readiness Score
Grade C — Moderate IPO Readiness
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
Track OpenEvidence →

OpenEvidence is an AI-powered clinical assistant that helps physicians instantly access synthesized medical evidence to make better patient care decisions at the point of care.

Valuation
$3.0B
Total Funding
$277M
Stage
Series C
Sector
Healthcare Technology
Headquarters
Boston, MA
CEO
Matt Salloway
IPO Status
s-1-filed

Funding History

June 2024
Series B
$75M
September 2026
Series C
$800M
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Track OpenEvidence IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is OpenEvidence going public? +

OpenEvidence filed its S-1 registration statement with the SEC on September 20, 2026. The IPO timeline depends on SEC review and market conditions. Track the latest signals on TechStackIPO.

What is OpenEvidence's current valuation? +

OpenEvidence is valued at $3.0B as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in OpenEvidence before IPO? +

Accredited investors can access OpenEvidence 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.

What is OpenEvidence's IPO Readiness Score? +

OpenEvidence scores 67/100 (Grade: C) 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.

Has OpenEvidence filed for an IPO? +

Yes — OpenEvidence filed an S-1 registration statement with the SEC on September 20, 2026, indicating an active IPO process.

How much total funding has OpenEvidence raised? +

OpenEvidence has raised $277M in total venture capital and private equity funding, with backing from Index Ventures.

Who are OpenEvidence's key investors? +

OpenEvidence's notable investors include Index Ventures. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is OpenEvidence in? +

OpenEvidence is a Healthcare Technology company. OpenEvidence is an AI-powered clinical assistant that helps physicians instantly access synthesized medical evidence to .

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