Positron AI at a glance
As of- Lead investors
- New Enterprise Associates (NEA), Atreides Management, Valor Equity Partners, Andra Capital[3]
- Series C · September 2026
- Founded
- 2023[4]
- Headquarters
- Reno, Nevada, USA[5]
- [1] Latest valuation: PR Newswire (company announcement), September 10, 2026
- [2] Equity raised: Sum of the 2 sourced equity rounds in the funding history below (debt, tender offers and rumored rounds excluded), September 10, 2026
- [3] Lead investors: PR Newswire (company announcement), September 10, 2026
- [4] Founded: SEC EDGAR Form D (retrieved May 12, 2026)
- [5] Headquarters: SEC EDGAR Form D (retrieved May 12, 2026)
Ranked on: #14 Largest Series B Rounds of 2026 (Ranked) · #23 Largest Series C+ Rounds of 2026 (Ranked) · Get your badge →
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Recent changes
- Sep 10, 2026Sep 10, 2026Raised $875M Series C at a $5B valuation PR Newswire (company announcement)
- Sep 10, 2026Sep 10, 2026First reported valuation: $5B PR Newswire (company announcement)
- Sep 10, 2026Sep 10, 2026New investor: New Enterprise Associates (NEA) PR Newswire (company announcement)
- Sep 10, 2026Sep 10, 2026New investor: Valor Equity Partners PR Newswire (company announcement)
- Sep 10, 2026Sep 10, 2026New investor: Atreides Management PR Newswire (company announcement)
Earlier changes (3)
- Sep 10, 2026Sep 10, 2026Positron AI Raises $875M At $5B Valuation Pulse story
- May 12, 2026May 12, 2026Raised $233.9M SEC EDGAR Form D
- Feb 4, 2026Feb 4, 2026Raised $230M Series B at a $1B+ valuation StorageNewsletter
Funding history
3 equity events · newest first · sources dated per row| Date | Round | Amount | Valuation | Lead investors | Source |
|---|---|---|---|---|---|
| Sep 10, 2026 | Series C | $875M | $5Bpost-money | WithSemiAnalysis CapitalJim Clark | PR Newswire (company announcement) |
| May 12, 2026 | Funding roundnot counted | $233.9M | — | — | SEC EDGAR Form D |
| Feb 4, 2026 | Series B | $230M | $1B+post-money | — WithARENA Private WealthJump TradingUnless | StorageNewsletter |
Equity only. “Equity raised” above sums the rounds with a dated, linked source; rumored rounds, tender offers and secondary sales are listed but not counted, and debt financing is listed separately.
Underlying values
| As of | Value | Method | Source |
|---|---|---|---|
| Sep 10, 2026 | $5B | Reported | PR Newswire (company announcement)Also reported by PR Newswire |
| Feb 4, 2026 | $1.06B | Reported | PR Newswire (company announcement) · disputed |
| Feb 4, 2026 | $1B+ | Reported | StorageNewsletter · disputedAlso reported by PR Newswire |
Investors
Latest Pulse
- Oct 17, 2026Tsetis Says AI Executives Need Personal LiabilityNutrafol cofounder and AI investor Giorgos Tsetis argues AI executives face too little personal legal risk for the harms their companies cause, and that accountability should extend beyond the corporate entity.→
- Sep 30, 2026General Intuition Closes $220M At $6.2BGeneral Intuition closed a $220 million round at a $6.2 billion valuation, confirming the mark Pulse reported the company approaching earlier this month.→
- Sep 11, 2026September's Megadeals Already Top $8 BillionSix companies -- The Boring Company, Cognition, Positron AI, Mach Industries, Harvey, and Ayar Labs -- have absorbed more than $8 billion in the first ten days of September, almost all of it into physical AI infrastructure and applied AI.→
- Sep 11, 2026The AI Infrastructure Bill Is Coming DueBetween Microsoft's 38-gigawatt data-center plan, Nvidia's 2-gigawatt Australian buildout and a wave of double-digit-billion-dollar infrastructure rounds this week, 2026's AI capex cycle is starting to look like a bet nobody has fully underwritten.→
- Sep 10, 2026Positron AI Raises $875M At $5B ValuationAI inference-chip startup Positron AI raised $875 million at a $5 billion valuation, more than quadrupling its value in seven months as it races to tape out its memory-heavy Asimov chip on TSMC's N3P process.→
Coverage Timeline
newest firstAll Coverage
FUNDING
September's Megadeals Already Top $8 Billion
Six companies -- The Boring Company, Cognition, Positron AI, Mach Industries, Harvey, and Ayar Labs -- have absorbed more than $8 billion in the first ten days of September, almost all of it into physical AI infrastructure and applied AI.
BY THE NUMBERS
Positron AI Raises $875M At $5B Valuation
FUNDING$875M at $5B valuation
Positron AI Raises $875M At $5B Valuation
AI inference-chip startup Positron AI raised $875 million at a $5 billion valuation, more than quadrupling its value in seven months as it races to tape out its memory-heavy Asimov chip on TSMC's N3P process.
DEEP DIVE
Value Add Research
- AI & Technology · Sep 12, 2026Positron AI Valuation: $875M Series C at $5B, Up From $1.06B
- Market & Trends · Oct 18, 2026Q3 2026 Semiconductor Funding Rounds: SambaNova's $1B Leads
- Market & Trends · Oct 14, 2026Most Active VC Firms September 2026: Valor Leads 8 Rounds
- Market & Trends · Oct 13, 2026September 2026's Biggest Startup Funding Rounds: $30.3B
- AI & Technology · Aug 17, 2026Groq's $3.5B Valuation Is Half Its 2025 Peak
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Positron AI FAQ
What is Positron AI's valuation?
Positron AI was last valued at $5B in its September 2026 Series C, according to PR Newswire (company announcement) (September 10, 2026).
How much has Positron AI raised?
Positron AI has raised at least $1.1B in equity across 2 sourced funding rounds tracked by Value Add VC. The most recent was a $875M Series C in September 2026 at a $5B post-money valuation, reported by PR Newswire (company announcement). Debt financing, tender offers and secondary sales are not counted.
Who invested in Positron AI?
Lead investors in Positron AI's sourced funding rounds include New Enterprise Associates (NEA), Atreides Management, Valor Equity Partners and Andra Capital. Per round: its September 2026 Series C was led by New Enterprise Associates (NEA), Atreides Management, Valor Equity Partners and Andra Capital.
When was Positron AI founded and where is it based?
Positron AI was founded in 2023 and is headquartered in Reno, Nevada, USA, according to SEC EDGAR Form D.
Sources & methodologyshow
Where these figures come from
- PR Newswire (company announcement)primary source2 facts
- SEC EDGAR Form Dprimary source1 fact
- StorageNewsletterValue Add VC data1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.