Numeral
AI-powered software that automates sales tax and VAT compliance for global businesses.
$100MSeries C
ParticipantM
Mayfield
mayfield.com ↗Activity from announced rounds
Activity in this selectionOct 17, 2026 · Jul 20, 2026
Mayfield is an early-stage technology investor focused on being the first institutional backer of AI founders, with most of its investments beginning at company inception.
Its AI investing reaches into the physical infrastructure needed for adoption as well as software. The firm’s Lumilens investment addresses optical connectivity between processors and computing systems, illustrating its interest in technical bottlenecks below the application layer.
Mayfield’s CXO of the Future community connects it with enterprise leaders. That commercial perspective complements its inception-stage work when founders need to understand the requirements of corporate buyers for a new technology.
Sources
- Rounds participated in
- 5
- Confirmed lead rounds
- 1 2 roles undisclosed
- New companies
- 4 First participation on record · 1 follow-on
- Funding in participating rounds
- $278M 4 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
5 in this selectionHello Haven
A personal AI assistant that remembers a user's preferences and helps manage everyday tasks through app, text, email or phone conversations.
$15MPre-Seed
LeadHang Ten Systems
Combines AI agents and engineering services for enterprise software development and technology projects.
$53MAdditional seed funding
ParticipantVelaura AI
Develops ultra-low-power silicon for AI data centers and Physical AI systems
$110MSeries A
Role not disclosedLumilens
Lumilens develops optical interconnects for connecting GPUs in AI data centers.
>$700MSeries C
Role not disclosed