United States · Series C startup
4 rounds we have observed, with the 10 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 2 months ago
Follow Positron and see its new rounds in your feed. Start following
Funding summaryUpdated 5 Nov 2026
$732Mraised across 4 rounds since 2012, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Source recordedSEC filing: $234M sold
Reported by TechCrunch and 1 otherSEC filing: $750K sold
No investor was named in the report.
Reported by sec.govSEC filing: $1.5M sold, first sale Mar 2009
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Valor Equity Partners
Jump TradingL
UnlessL
Arena Private WealthL
New Enterprise Associates
B Capital
Expert Dojo
Cisco Investments
1517 FundQatar BanMissing a round, or an investor who was in one? Tell us.
Positron's investors include Valor Equity Partners, Jump Trading, Unless, Arena Private Wealth and New Enterprise Associates, and 5 more on record.
Positron has raised $732M across 4 rounds since 2012. One round did not disclose an amount, so the total is a floor.
Positron's most recent round was a Series C of $500M in Sept 2026.
Its most recent round, $500M in Sept 2026, is also its largest on record.
Positron's first round on record, in Jul 2024, was backed by B Capital and Expert Dojo.
Positron's latest named round is a Series C, in Sept 2026.
Positron is based in the United States.
Jump Trading led the Series B in 2026.
In the same sector, and raised in the last eighteen months.
Search every investor by what they have actually funded, then narrow to your stage and market. Free.
United States · 
