vcvibes

Foundersx Ventures, LLCFirm match from fund name (lower confidence)

FoundersX Apex A, LP

Raising

Raising: Form D filed Aug 2026 reports amount sold below target

Vintage
2026
Fund size
$35M to $50M (Form D)
Stages
Not stated
Sectors
AI infra, AI applications, Robotics, Space
Regions
Not stated

01 · Thesis

FoundersX backs category-defining founders building consequential companies across the full AI stack, including AI chips, space as AI infrastructure, physical AI foundation models, robotics, and agentic AI applications. Its portfolio also spans fintech, healthcare, and security.Inferred from the firm's website

02 · Initial check

$350K to $833K (estimated from fund size)

Estimated from Form D: $35M sold of a $50M target

03 · Who to approach

No partners identified yet.

04 · Deals

No deals attributed to this fund yet.

05 · Evidence

  • Firm-wideFoundersX backs founders across the full AI stack, including AI chips, space as AI infrastructure, physical AI foundation models, robotics, and agentic AI applications.

    We back category-defining founders building consequential companies across the full AI stack — AI Chips, Space as AI Infrastructure, Physical AI Foundation Models, Robotics, and Agentic AI solutions across industries.
    https://foundersx.com/

06 · Sources

  1. https://foundersx.com/
  2. https://www.sec.gov/Archives/edgar/data/2148457/000214845726000001/

Last verified: Oct 28, 2026