Stairwell

AI SOC built on ground truth

Mountain View, United States · Founded 2019 · $65.0M raised

Employees
11–50
Founded
2019
Business Model
B2B
Total Funding
$65.0M
Last Round
$45.0M Series BOct 2022
Rounds
2

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds for this company. The full record is or through the API.

About

Stairwell provides security teams with file-centered threat detection and investigation. The platform preserves every executable it observes, analyzes files without depending on another security tool to raise an alert, and maps where threats spread across an environment. It is designed to surface new malware variants even when existing signatures and behavioral detections have not seen them. As threat intelligence changes, Stairwell re-examines historical evidence so previously missed threats can still be identified and investigated later.

Summary

Stairwell is an Artificial Intelligence company based in Mountain View, United States, founded in 2019. It has raised $65.0M in total across 2 rounds, most recently a $45.0M Series B round in Oct 2022.

Tech & App Stack

5 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Series BSeries BOct 2022
$45.0M

Sign up to see all 2 events

Funding: Series B. Amounts, valuations, and investors where available.

Similar Companies

PalantirIPO

Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...

Denver, United States1001–5000Analytics, Artificial Intelligence
Private EquityTotal funding$3.1BJul 2020
Cyera

Cyera provides an AI-powered data security platform that helps security teams discover, control, ...

New York, United States201–500Artificial Intelligence, Cybersecurity
Extension RoundTotal funding$2.8BSep 2026
Dataminr

Real-time AI platform that detects early signs of high-impact events and emerging risks from publ...

New York, United States501–1000Analytics, Artificial Intelligence
ConvertibleTotal funding$1.6BApr 2025
OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...

San Francisco, United States5001–10000Artificial Intelligence, Generative AI
Corporate RoundTotal funding$179.6BMar 2026
Anthropic

Anthropic develops reliable, interpretable, and steerable AI systems, translating frontier safety...

San Francisco, United States1001–5000Artificial Intelligence, Generative AI
Series G+Total funding$123.7BMay 2026
xAI

xAI builds AI systems, including Grok, with frontier reasoning, voice, and generative media capab...

San Francisco, United States201–500Artificial Intelligence, Generative AI
Series ETotal funding$47.4BJan 2026

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Stairwell on Indexed.vc
<a href="https://indexed.vc/companies/stairwell"><img src="https://indexed.vc/api/badge/company/stairwell" alt="Stairwell on Indexed.vc" width="260" height="76" /></a>