Monthly roundup · Semiconductors · September 2026
Semiconductors startup funding, September 2026: Positron AI's $875M Series C leads 13 rounds
We read 13 equity rounds in Semiconductors announced in September 2026, raising $3.0B between them: 4% of all the rounds we read that month and 8% of the money. The largest was Positron AI's $875M Series C, led by New Enterprise Associates and Valor Equity Partners. The median seed round was $5.0M, against $5.5M over the last twelve months across all sectors; at Series A it was $100M.
The biggest rounds
- 1
Positron AISeries C · led by New Enterprise Associates, Valor Equity Partners$875M - 2
GroqGrowth · United States · led by Disruptive$750M - 3DD-RoboticsSeries C · China · led by Mirae Asset$400M
- 4
EUCLYDSeries A · Netherlands · led by Innovation Industries, Samsung$231M - 5CCornelisSeries C · United States · led by IAG Capital Partners$205M
- 6
SiMa.aiSeries C · United States · led by Fidelity, Amplify Partners$150M - 7
SemiDriveSeries C · China$150M - 8
iPronicsSeries B · Spain · led by Maverick Silicon, Light Street Capital$125M - 9
Delos DataSeries A · United States$100M - 10
TUSK ICSeries A · Belgium · led by Matterwave Ventures$17M
United States · led by Disruptive
China · led by Mirae Asset
Netherlands · led by Innovation Industries, Samsung
Spain · led by Maverick Silicon, Light Street Capital
Belgium · led by Matterwave VenturesDay by day
Equity rounds in Semiconductors announced each day of September. The busiest day was 15 September, with 2.
By stage, against the year
Each stage's median this month beside its twelve-month median: the sector's own where we hold enough rounds for a benchmark, otherwise the one across all sectors.
Where
- United States4
- China2
- United Kingdom1
- Belgium1
- Nigeria1
- Netherlands1
- India1
- Spain1
Nigeria
United States had the most Semiconductors rounds this month.
Against the month
- Rounds, Semiconductors13
- Rounds, all sectors357
- Raised, Semiconductors$3.0B
- Raised, all sectors$39B