Calibrate Ventures

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Logistics · Jan 1, 2026
Rounds participated in
2
Confirmed lead rounds
—
2 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$320M
2 disclosed · full round size, not this investor’s share

By stage

Series A1
Undisclosed1

By primary sector

Mobility1
Robotics1

By country

United States2

Rounds

2 in this selection
Walden Robotics

A full-stack Physical AI company building and deploying general-purpose robots that continuously learn and improve while performing real work

$300MUndisclosed
Role not disclosed
Grid Aero

Builds low-cost, autonomous aircraft for long-range operations

$20MSeries A
Role not disclosed