Cotool
YC X25San Francisco, US · Founded 2025 · 4 employees · 4 known investors
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Cotool builds infrastructure that enables security teams to operate at machine speed through AI agents, automating security investigations and detection logic to close the loop between threat detection and response.
Also known as Holtzman
Founders & leadership· Y Combinator alumni (X25)
Cotool was founded in 2025 by Logan Carmody, Eddie Conk, and Max Pollard.



Investors · 4
Funding
SEC filings, press & company announcements$7.4M disclosed across 1 round · 2026
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlapCompanies competing with Cotool for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does Cotool do?
- Cotool builds infrastructure that enables security teams to operate at machine speed through AI agents, automating security investigations and detection logic to close the loop between threat detection and response.
- Who founded Cotool?
- Cotool was founded by Logan Carmody, Eddie Conk, Max Pollard in 2025.
- Who are Cotool's investors?
- Cotool's investors include Andreessen Horowitz, Homebrew, Y Combinator, WndrCo.
- How much funding has Cotool raised?
- Cotool has disclosed $7.4M raised across 1 round.
- Where is Cotool headquartered?
- Cotool is headquartered in San Francisco, US.











