Antioch
Cloud simulation software helps robotics and autonomy teams develop and test physical AI systems before deployment.
$32MSeries A
LeadG
Greylock
greylock.com ↗Activity from announced rounds
Activity in this selectionUnited States · Oct 14, 2026 · Jul 17, 2026
Technology investing with an emphasis on early company building, plus recorded funding events across AI software and infrastructure.
Working with companies from their early formation
Greylock is a technology investment firm that emphasises working closely with founders from the earliest company-building stages. It describes early partnerships with small teams and companies started inside its offices, including Palo Alto Networks and Abnormal. Partners contribute their network and operating support as the companies develop.
Activity recorded in RoundOS
Covered events include financings for Baseten, Lightfield, Antioch, Altara and Upwind Security. Some companies appear more than once because RoundOS records separate financing events over time. The activity shown here is the covered event history; Greylock’s own portfolio offers broader company information.
Sources
- Rounds participated in
- 3
- Confirmed lead rounds
- 1 All roles disclosed
- New companies
- 2 First participation on record · 1 follow-on
- Funding in participating rounds
- $79M 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
3 in this selectionLightfield
Lightfield is an AI-native CRM that builds a shared, continuously updated record of a company's customers for employees and agents.
$47MSeries A
ParticipantUpwind Security
Provides runtime-first cloud security platform for enterprises
~$300MFunding
Participant