Endpoint security platform. Waltham MA. Sequoia + Kleiner Perkins. IPO 2018. Acquired by VMware $2.1B 2019.

Solid-state battery company. Woburn MA. IQT strategic investment 2026 (confirmed via SEC filing — Factorial-Cartesian III SPAC). SPAC deal cleared SEC review May 2026. IQT investment signal: solid-state battery technology has national security applications (UAV endurance, portable power, forward operating bases).

Somerville MA. Threat intelligence platform — web, dark web, and technical intelligence for cyber defenders. IQT portfolio. Acquired by Mastercard for $2.65B (Sep 2024). Prior owner: Insight Partners. Largest acquisition of a cybersecurity intelligence company. Powers IC and enterprise threat intelligence workflows.

Cambridge MA. Software supply chain security and malware analysis. IQT portfolio. Analyzes billions of files for malware, vulnerabilities, supply chain tampering. SBOM (Software Bill of Materials) analysis. Raised $56M Series B (2021). Addresses SolarWinds/XZ Utils-class supply chain attack vectors. CMU SEI CERT/CC adjacent ecosystem.