CBRS Rule of 40
Rule of 40 combines revenue growth and free cash flow margin in one quarterly score.
Rule of 40
2026 Q2
n/m
Not meaningful
Revenue growth context+74.3%
FCF margin context−264.7%
Why R40 is not meaningful yet
Capital expenditure and cash flow are too large relative to current revenue for the combined Rule of 40 score to be meaningful.
Quarter context
2025 Q2
Revenue $103.3M (+48.1% YoY). Capex $86.8M (0.8× revenue); FCF −$155.8M.
2026 Q1
Revenue $193.4M (+94.4% YoY). Capex $132.0M (0.7× revenue); FCF −$119.6M.
2026 Q2
Revenue $180.1M (+74.3% YoY). Capex $416.9M (2.3× revenue); FCF −$476.7M.
Other CBRS Charts
More quarter-by-quarter fundamentals for Cerebras Systems Inc.
1 / 9
Revenue
EPS
Free Cash Flow
Gross Margin
FCF Margin
Cumulative FCF
Shares Outstanding
Total Assets
Total Debt
AI Infrastructure Comparison
1 / 3
ORCL · Rule of 40
Q1 FY2027 · latest
1.7✗ Below 40
Growth +29.6%
FCF −27.9%
-10
Q2
7
Q3
-7
FY2025
Q4
10
Q1
-48
Q2
-45
Q3
11
FY2026
Q4
2
FY2027
Q1
40
0
Mix
DELL · Rule of 40
Q2 FY2027 · latest
59.8✓ Passing
Growth +57.7%
FCF +2.1%
13
Q3
7
FY2025
Q4
15
Q1
25
Q2
13
Q3
51
FY2026
Q4
95
Q1
60
FY2027
Q2
40
0
Mix
GLW · Rule of 40
2026 Q2 · latest
45.4✓ Passing
Growth +16.6%
FCF +28.7%
21
Q3
27
2024
Q4
14
Q1
29
Q2
32
Q3
35
2025
Q4
21
Q1
45
2026
Q2
40
0
Mix
Latest Rule of 40: 0 (2026Q2); 0 pts YoY.
Across the 4 quarters from 2025Q1 to 2026Q2, Rule of 40 ranged from 0 in 2025Q1 to +32 in 2026Q1.