MatX

specialized chips for AI

AI infrastructure and computeAI Grant

TIMELINE · MONEY RAISED

MatX | 506 days from X account to first raise on record

@matxcomputing·Raised $580M in 2 sourced rounds·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

1. February 24, 2026
   Series B+ · $500M
   JJane Street (lead), SSituational Awareness (lead), AAlchip, AAndrej Karpathy, DDwarkesh Patel, HHarpoon Ventures, JJohn Collison, MMarvell, NNFDG Ventures, PPatrick Collison, SSpark Capital, TTriatomic Capital
   Source: matx.com
2. November 22, 2024
   Series A · $80M
   SSpark Capital (lead)
   Source: techcrunch.com
3. July 5, 2023
   X account created
4. August 29, 1995
   Website created
5. Batch 2
   AAI Grant · batch
   Source: aigrant.com

Team

• RP
  Reiner Pope CEO

  @reinerpope · LinkedIn · source: x.com
• MG
  Mike Gunter CTO

  @MikeGunter_ · LinkedIn · source: x.com

Investors

• AAI Grantaccelerator
• AAlchip
• AAndrej Karpathy
• DDwarkesh Patel
• HHarpoon Ventures
• JJane Streetlead investor
• JJohn Collison
• MMarvell
• NNFDG Ventures
• PPatrick Collison
• SSituational Awarenesslead investor
• SSpark Capitallead investor
• TTriatomic Capital

Similar AI infrastructure and compute companies

• NNovig$75M Series B+ · Feb 2026
• LLips Semiconductor$14.99M Series B+ · Nov 2026
• TTendrils$30M · Nov 2026
• AAtomarine$19M Seed · Nov 2026
• SSparxity$90M Series A · Nov 2026
• IiPronics$121.11M Series B+ · Nov 2026

Other companies backed by Jane Street

• OOxide Computer Company$445M Series B+ · Oct 2026
• FFluidstack$1.5B Series B+ · Sep 2026
• EEtched$700M Series B+ · Aug 2026
• AAntithesis$105M Series A · Dec 2025

Jane Street portfolio →