a16z Speedrun

Activity from announced rounds

Activity in this selectionUnited States · Jan 31, 2026 · Jan 1, 2026

Speedrun is an a16z investment program. Its company directory includes Circle Games and Keewano, linking the program to mobile-game development and infrastructure for working with event histories.

Recorded funding activity

RoundOS records participation in Circle Games’ Series A and Keewano’s seed round, as well as a lead role in Orbits’ pre-seed financing for an AI household assistant. Other covered activity includes Cascade’s construction-business software and ZeroDrift’s AI communications compliance tools. This page follows the Speedrun program’s recorded activity.

Sources
Rounds participated in
2
Confirmed lead rounds
—
2 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$19M
2 disclosed · full round size, not this investor’s share

By stage

Seed2

By primary sector

Enterprise software1
Industrial tech1

By country

United States2

Rounds

2 in this selection
Limy

Provides infrastructure for brands to optimize performance in the Agentic Web

$10MSeed
Role not disclosed
Nexxa.ai

Builds specialized AI agents for heavy industries

$9MSeed
Role not disclosed