Positron AI's website preview

Well Run profileThe Well Run 100 · #85 of 720

Position 85

Positron AI

Memory-first AI inference servers and custom chips sold to clouds and AI providers

Pace
3:30/kmSprint4.75
Distance
Distance 10K.
Open ops roles
1
Last week
—
Move
New
Peak
#83
Weeks in the 100
1
The Chart →
Rank and score over time
Board rank
#73#83#93#83Oct 25
Pace score
02464.8Oct 25

One point per Sunday re-rank, tracking since Oct 25. The lines fill in week by week.

Sprint 3:30/kmPositron AIEtched
Race 4:05/km
Tempo 4:40/km
Steady 5:20/kmSambaNova
Warm-up 6:00/km
Cool-down 6:30/km
Positron AI runs in the Sprint lane, alongside 1 rival. Rivals on Well Run sit in their own pace lanes; further right = more momentum. Tap one to open its page.Also competes with: Groq, Cerebras, d-Matrix
Total raised
~$1.18Bsee rounds ↓
Headcount
100+ employeesas of Oct 2026 positron.ai ↗
Founded
2023
HQ
Reno, NV

Leadership

The problem

Serving AI models on GPUs is costly and power-hungry, and scarce HBM memory caps supply

What they do

Memory-first AI inference servers and custom chips sold to clouds and AI providers

Traction 50+ Atlas racks at Oracle Cloud; Jump Trading, Parasail, i3d.net customers; ~$5.4M 2025 revenue (est.)

Hiring trend

Open roles
30
Ops roles
1
Headcount
~76-98

Headcount 49 (Dec 2025, LinkedIn via Latka) → ~98 (Tracxn, 2026), roughly doubled; 18 open roles, mostly ASIC/silicon in Austin and remote US

Funding

Last round
$875M
Stage
Series C
Date
Sep 2026

Led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital, Jim Clark

Distance

10K · edge: cheaper at size

Real Oracle deployment and a differentiated HBM-free bet, but a follower behind Nvidia and better-established inference-chip rivals, with next-gen silicon not shipping until H2 2027 and heavy burn.

Sources: PR Newswire: Positron $875M Series C at $5B (Sep 2026) ↗ · GetLatka: Positron AI revenue estimate ↗

Last checked Oct 25, 2026

News timeline

  1. Sep 2026Raises $875M Series C at $5B to tape out Asimov chip and ramp Titan systems reuters.com ↗
  2. Aug 2026Deploys 50+ Atlas racks at Oracle Cloud, a first for an AI chip startup positron.ai ↗
  3. Feb 2026Raises $230M Series B at $1B+; Qatar Investment Authority and Arm join businesswire.com ↗
  4. Jul 2025Closes $51.6M Series A; previews 2026 Asimov accelerator businesswire.com ↗

Funding historyTotal raised ~$1.18B

  1. Sep 2026Series C + C-1$875M ($375M C + up to $500M C-1)at $5B postLed by NEA, Atreides, Valor, Andra Capital, SemiAnalysis Capital, Jim Clark prnewswire.com ↗
  2. Feb 2026Series B$230Mat $1B+ postLed by ARENA Private Wealth, Jump Trading, Unless businesswire.com ↗
  3. Jul 2025Series A$51.6MLed by Valor Equity Partners, Atreides Management, DFJ Growth (co-investors; no single lead named) businesswire.com ↗
  4. Feb 2025Seed$23.5Mbusinesswire.com ↗
  5. Apr 2023Seed$6.5Mpositron.ai ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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