Disposition · Portfolio-company

TierZero

Transaction overview

Status: Reported acquisition

Announcement date:

Exact closing date not established.

Cognition acquired TierZero, a company whose seed round Accel led in 2025. Accel reported the acquisition on July 20, 2026; it did not state an exact closing day or consideration.

Selected source-supported transactions; coverage is incomplete. Announcements do not establish completion or that a deal is still pending. Sponsor activity and operating-business transactions are distinct from adviser acquisitions. Unclassified activity is excluded from adviser-only counts.

Source evidence

  1. Cognition Acquires TierZero: Building the Autonomous Engineering Agent ↗

    Accel · Published Jul 20, 2026

    Cognition acquired TierZero, a company whose seed round Accel led in 2025. Accel reported the acquisition on July 20, 2026; it did not state an exact closing day or consideration.

TierZero · RIA Monitor