Fortinet, Inc. FTNT

Revenue Intelligence Report • 62 quarters of SEC filing data • Updated 2026-03-15

Fortinet, Inc. has a forecasted full-year revenue of $7.4B, a +8.1% year-over-year change, based on 62 quarters of SEC filing data. Key revenue drivers include SG&A (elasticity 0.50x). The ARDL model achieves strong accuracy at 2.6% MAPE.

Investment Thesis

Our ARDL model tracks Fortinet, Inc.'s revenue with exceptional precision (2.6% MAPE), indicating highly predictable cash flows. R&D spending currently shows a negative elasticity (-1.13x), which can indicate heavy investment in long-cycle initiatives not yet reflected in revenue. Sales & marketing spend shows a 0.50x elasticity, suggesting effective go-to-market execution.

Next FY Revenue
$7.35B
+8.1% YoY
R&D Elasticity
-1.13x
SG&A Elasticity
0.50x
Model Accuracy
2.6% MAPE
Holdout validation: The model predicted $1.8B vs the actual $1.9B — an error of 4.2%.
⚠ Model limitation: This company shows negative spending multipliers, meaning increases in spending have not directly translated into revenue growth. This typically occurs with commodity-driven companies or hypergrowth companies.

Revenue Forecast

FTNT Revenue Forecast

Quarterly Detail

QuarterModel ForecastActual95% RangeYoY GrowthStatus
Q4 2025 $1.8B $1.9B $1.7B – $1.9B +9.9% ✓ In range
Q2 2026 $1.7B $1.6B – $1.9B +12.2%
Q3 2026 $1.8B $1.6B – $2.0B +9.0%
Q4 2026 $1.9B $1.7B – $2.1B +9.6%
Q1 2027 $2.0B $1.7B – $2.3B +2.8%

Seasonal Factors

Multiplicative seasonal adjustment: These factors capture Fortinet, Inc.'s systematic quarterly revenue patterns relative to the trend model. A factor of 1.05 means that quarter typically runs 5% above the underlying trend; 0.95 means 5% below. Factors are computed as the median of (actual / fitted) across all available quarters.
Fiscal QuarterSeasonal Factorvs TrendInterpretationObs.
FQ1 (Sep–Nov) 1.0192 +1.9% In line with trend 15
FQ2 (Dec–Feb) 1.0151 +1.5% In line with trend 15
FQ3 (Mar–May) 0.9785 -2.2% In line with trend 14
FQ4 (Jun–Aug) 1.0052 +0.5% In line with trend 14

How Spending Drives Revenue

FTNT Spending Timing
Reading this chart: Each line shows the cumulative elasticity — how a 1% increase in spending translates to revenue growth over subsequent quarters. The effect builds over 4-5 quarters as investments compound.

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Data sourced from SEC EDGAR XBRL filings. Model: ARDL (log-log) with 62 quarters. This analysis is for informational purposes only and does not constitute investment advice.

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