Positron key facts
as of Oct 2026- Developer of semiconductor hardware designed to accelerate inference workloads.
- Positron is valued at approximately $5.0B as of Oct 2026, set at its Series C, Sep 2026; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $514.0M across 5 recorded rounds; the latest was Series C ($875.0M) in Sep 2026.
- Notable investors include Valor Equity Partners, 2468 Ventures, Qatar Investment Authority, Invariantes Fund, Atreides Management — 31 tracked in total.
- PrivateMarketView tracks 3 recorded secondary trades in Positron shares.
- 7 investment vehicles were formed to buy Positron shares in the last 12 months, reporting $20.7M sold to 214 investors, per SEC Form D filings.
- Positron has filed 2 Form Ds with the SEC since 2025, most recently May 2026 ($233.9M sold to 55 investors).
- Status: Privately Held (backing).
Valued at $5.0B at its Series C, Sep 2026. Nothing has traded since.
Membership and data by Private Market View
- ·Post-money valuations for 3 rounds
- ·The complete investor list: 31 names
- ·Watch Positron: the Monday email on marks, rounds and moves
Positron secondary trades
3 on record · Feb 2026 – Jul 20263 trades between Feb 2026 and Jul 2026. Exact dates, prices and structures are available to Pro members.
Membership and data by Private Market View
Positron funding rounds
5 roundsVehicles formed to buy Positron shares
secondary demand · SEC Form D filingsIn the last 12 months, 7 investment vehicles were formed to buy Positron shares, reporting $20.7M sold to 214 investors across 7 sponsors. Most recent filing Jun 2026.
Membership and data by Private Market View
Positron leadership
- Mitesh AgrawalChief Executive Officer
- Thomas SohmersCo-Founder & Chief Technology Officer (Board Chairman)
- Edward KmettCo-Founder & Chief Scientist
Who backs Positron
31+Membership and data by Private Market View
Positron valuation
Positron was valued at $5 billion at its Series C in Sep 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
Recent activity
In the last 90 days, Positron's record added 1 funding round.
How much has Positron raised?
Positron has raised $514 million across 5 recorded rounds since 2023. The largest was an $875 million Series C in Sep 2026. 3 of the rounds disclosed a post-money valuation.
Positron has filed 2 Form Ds with the SEC since 2025, most recently in May 2026 ($234 million sold to 55 investors).
Positron secondary market activity
3 secondary trades in Positron shares are on record, between Feb 2026 and Jul 2026. 1 print landed in the last three months. Exact dates, prices and structures are available to Pro members.
Institutional holders and vehicles
In the last 12 months, 7 investment vehicles were formed to buy Positron shares, reporting $20.7 million sold to 214 investors across 7 sponsors, per SEC Form D filings (most recent Jun 2026).
Positron investors
31 investors are on record for Positron, including Valor Equity Partners, 2468 Ventures, Qatar Investment Authority and Invariantes Fund. By type, the record holds 13 venture capital firms, 1 hedge fund and 1 asset manager. The Series B in May 2026 drew 22 investors.
Who runs Positron
8 people are listed on the Positron team: 3 executives and 5 board members, including Edward Kmett (Co-Founder) and Mitesh Agrawal (Chief Executive Officer). 5 of them have a verified direct contact on file.
Comparable companies
Comparable application specific semiconductors names by valuation on PrivateMarketView: Lightmatter ($4.6 billion), SiFive ($3.6 billion) and Tenstorrent ($3.2 billion).
About Positron
Developer of semiconductor hardware designed to accelerate inference workloads. The company develops accelerator systems, inference appliances, and purpose-built chips for transformer models, enabling enterprises and cloud providers to deploy large language models with improved performance, lower power consumption, and reduced infrastructure costs.
- Industry
- Application Specific Semiconductors
- Sector
- Information Technology
- HQ
- Reno, NV, United States
- Founded
- 2023
- Employees
- 50
- Website
- positron.ai/
- Ownership
- Privately Held (backing)
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