Koi
Koi is a cybersecurity company specializing in Application Security, founded in 2023 and headquartered in Tel Aviv, Israel. It has raised $48M in equity across 2 priced rounds, employs about 212 people, and was acquired by Palo Alto Networks in 2026.
updated Oct 30, 2026
Latest Koi news and company activity
What Koi did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Product launchIntroducing Clawdex: Free Tool to Check ClawHub Skills for Malware
- Oct 2026Exec changeAmit Yampolsky Launches AI Infrastructure Startup with Eyal Kraft
- Feb 2026AcquiredPalo Alto Networks Completes Acquisition of Koi to Secure the Agentic Endpoint
Koi Momentum score
53/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Koi funding
Koi has raised $48M in priced equity. Its most recent round was a Series A in September 2025. It has 2 funding rounds on record: Series A and Seed. 5 investors are on record, including NFX and Picture Capital.
- Equity raised
- $48M2 priced rounds
- Last round
- Series ASep 2025
Koi employees and hiring
As of May 2026, Koi has about 212 employees, down 3% over the last 30 days.
- Employees
- 212
- 30-day change
- -3%
- Open roles
- 0
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
