Weekly funding roundup · 28 September to 4 October 2026
Startup funding, week of 28 September: Instinct's $1.0B Series C leads 78 rounds
We read 78 equity rounds announced from 28 September to 4 October 2026, raising $4.0B between them. The largest was Instinct's $1.0B Series C. The median seed round was $4.3M, against $5.5M over the last twelve months; at Series A it was $12M. Accel led the most rounds, with 3.
Equity rounds78announced this week, 73 with an amount
Raised$4.0Bacross those rounds
Lead named85%of rounds say who led
Countries20where this week's rounds were raised
The biggest rounds
- 1
InstinctSeries C · United States$1.0B - 2
EliseAIGrowth · United States · led by Andreessen Horowitz, Bessemer Venture Partners$350M - 3AArmadinSeries B · United States · led by Andreessen Horowitz, Accel$256M
- 4
PaleBlueDot AISeries C · United States · led by ComputeCore$200M
- 5
Simple EnergySeries C · India · led by Dr. Arokiaswamy Velumani Family Office$180M
- 6
ReverionSeries B · Germany · led by Kembara$175M - 7
BiossilSeries B · Canada · led by OpenAI Startup Fund$153M - 8
SiMa.aiSeries C · United States · led by Fidelity, Amplify Partners$150M - 9
SupabaseGrowth · United States · led by GIC$150M - 10
QuartermasterSeries B · United States · led by Insight Partners$140M
By stage, against the year
Each stage's median this week beside its median over the last twelve months. A single week is a small sample, so read the gap as a hint, not a trend.
The most active leads
Firms that led two or more of the week's rounds.
Where
- United States31
- United Kingdom12
- India6
- Canada4
- Sweden3
- Switzerland2
United States had the most rounds this week.
In what
- AI38
- Fintech9
- Defence Tech9
- Manufacturing8
- Healthcare8
- Robotics7
- Biotech7
- Construction6
AI was the busiest sector.