FFIV — F5, Inc.

Momentum and fundamentals are aligned. On 2026-07-27 F5 reported $865M of Q3 FY2026 revenue (+11% YoY) and adjusted EPS of $4.73 versus roughly $4.00 consensus, its eighth straight quarter of double-digit product growth (product +19%, systems +32%), and raised FY2026 guidance to 9-10% revenue growth and $17.21-$17.33 adjusted EPS - prompting J.P. Morgan ($515) and RBC ($508) to lift targets. The offset is valuation-driven caution: the sell-side consensus is still 'Hold,' with a $416.60 average target barely above the 2026-09-13 price of $411.71 and a recent-target average of $386 below it, so the stock is being carried by earnings momentum rather than by analyst upside.

Revenue has re-accelerated off a soft base: YoY growth ran +5.6% (Sep-24), +10.7% (Dec-24), +7.3% (Mar-25), +12.2% (Jun-25), +8.5% (Sep-25), +7.3% (Dec-25), then +11.0% (Mar-26) and +10.9% (Jun-26) - the last two quarters mark a genuine step back up to ~11%, not a one-quarter blip. Gross margin is the cleanest structural positive, climbing from 80.1% in the Sep-23 quarter to 82.2% in the Jun-26 quarter on software mix and pricing. Operating margin, however, ticked down YoY in Jun-26 (24.7% vs 25.2%) because R&D rose 20.8% YoY ($164.7M vs $136.3M) for AI-security investment while SG&A grew only ~11.5% - that is deliberate investment, not deterioration. Net income of $208.2M in Jun-26 (+9.6% YoY) followed a soft Mar-26 quarter ($147.8M, 18.2% net margin vs 19.9% a year earlier, likely tax/one-off driven). The yellow flag: TTM free cash flow of $969.6M is only +1.5% versus the prior TTM despite double-digit revenue growth, with capex up to $35.6M in Jun-26 from $8.5M a year earlier. Watch the mix - systems/hardware +32% is a refresh cycle, software only +7%; growth is currently coming from the less durable half.

As of 2026-09-13, FFIV is priced at 32.4x trailing GAAP EPS of $12.74, 7.0x TTM sales, 6.1x book and 23.2x EV/EBITDA, versus five-year averages of 27.6x earnings and 4.4x sales - so on headline metrics it is rich versus its own history (PEG 3.05). The important caveat: GAAP EPS carries roughly $1.10-1.12 per quarter of stock-based comp and amortization drag (Q3 FY26 GAAP EPS $3.61 vs $4.73 adjusted). On the FY2026 adjusted EPS guidance midpoint of $17.27 the forward P/E is about 23.8x, and on my FY2027 estimate of ~$19.20 it is ~21.4x - in line with, not far above, F5's own historical trading range. Verdict: fair-to-modestly-rich; the premium is defensible only if ~10% revenue growth holds.

The re-rating has already happened ahead of the earnings: FFIV is up 42% in six months and 24.5% above its 200-day SMA as of 2026-09-13, meaning the market is paying ~24x FY2026E adjusted EPS for ~11-13% EPS growth. That price already embeds a ninth consecutive product-growth quarter and early AI-security traction, so a routine beat on the ~October 26, 2026 print is unlikely to move the stock much - the payload has to be FY2027 guidance showing revenue growth holding at 8-10% against much harder hardware comps (Jun-26 systems revenue was +32%). If the hardware surge instead proves to be pull-forward, the setup flips fast: mid-single-digit revenue growth plus multiple compression to 21x FY2027E EPS implies ~$400, and 19x implies ~$365. Asymmetric into the print, skewed to guidance quality rather than the headline beat.

As of 2026-09-13: RSI(14) stood at 56.4 - neutral, with no overbought or oversold signal; the $411.71 price was 4.44% above the 20-day SMA, 1.95% above the 50-day and 24.51% above the 200-day, following a +5.44% week and a -2.66% month off the 2026-09-12 close of $398.48. Read: a firmly intact primary uptrend that is extended versus the 200-day, with the 20-day still below the 50-day - i.e., the recent strength is a recovery from a six-week consolidation below the July high near $435, not a fresh breakout. Implication: chasing here is low-reward; better entries are a retest of the ~$404 50-day or the $390 area, with a volume break above $435 the confirmation signal to add.

• AI workload deployment: moving LLMs into production requires the traffic management, inference scaling and data-sovereignty controls F5 sells - the September 2026 F5 Workforce AI Security launch is a direct bet on this budget line.
• Hybrid/multicloud complexity: bundling ADC, WAAP and API security into suites is slowing customer churn to native cloud options, which is why product revenue has grown double-digits for eight straight quarters.
• Enterprise budget mix: 2026 spend is favoring mission-critical infrastructure security over discretionary software, a direct tailwind for F5's hardware refresh and software attach.
• Rate sensitivity of high-multiple tech: at ~24x forward adjusted earnings and a 3.05x TTM PEG, FFIV's multiple is exposed to any rise in discount rates or rotation out of expensive tech - exactly what the 'Hold' consensus is signaling.
• Hardware supply chain and tariffs: systems revenue (+32% YoY in Jun-26) is component- and tariff-exposed, and capex already jumped to $35.6M in the Jun-26 quarter from $8.5M a year earlier.

• Q4 FY2026 earnings around October 26, 2026: confirmation of a ninth straight quarter of product growth and, more importantly, the first FY2027 guidance - the single biggest swing factor for the stock.
• Commercial traction for the September 2026 F5 Workforce AI Security module and AI Security Platform integrations (e.g. MuleSoft Agent Fabric); measurable software ARR would validate the durable half of the growth story.
• A software revenue inflection: software grew only 7% in the Jun-26 quarter versus systems +32%; re-acceleration there would improve both growth quality and the multiple.
• Capital return from $1.6B of cash with zero long-term debt (the remaining $234.9M was retired during FY2026), with ~56.4M shares outstanding giving continued EPS leverage.
• Sell-side revisions: with a 'Hold' consensus and a $300-$515 target range, a cluster of upgrades or estimate raises would be needed to sustain the current multiple.

• Hardware refresh cycle risk: systems revenue +32% YoY in Jun-26 comps brutally in FY2027; if that strength was pull-forward, FY2027 revenue growth could fall to mid-single digits and take the multiple down with it.
• Valuation and failed expectations: 32.4x TTM GAAP earnings, 7.0x TTM sales versus a 4.4x five-year average, 23.2x EV/EBITDA, and an average recent analyst target of $386 below the 2026-09-13 price of $411.71 - little sell-side cushion.
• Secular cloud-native competition: AWS/Azure-native load balancing, WAF and service mesh offerings keep chipping at the on-premises ADC franchise.
• Margin mix and investment drag: R&D up 20.8% YoY plus a hardware-heavy mix pushed GAAP operating margin down to 24.7% in Jun-26 from 25.2%.
• Cash conversion: TTM FCF of $969.6M grew just 1.5% YoY on rising capex, and OCF is lumpy (only $159.2M in the Dec-25 quarter), so the FCF story is less clean than the revenue story.
• Macro sensitivity: enterprise spending pauses, component/tariff cost inflation in hardware, and any de-rating of high-multiple tech would all hit a stock trading at a premium to its own history.

F5 is a genuinely good business - 82% gross margins, ~24.5% operating margins, $1.6B of cash with no long-term debt, ~$970M of TTM free cash flow, and eight consecutive quarters of double-digit product growth that just produced a raised FY2026 guide. But as of 2026-09-13 the $411.71 price already reflects much of that: ~24x FY2026E adjusted EPS, 7x sales, a stock 24.5% above its 200-day SMA, and a 'Hold' consensus whose average target sits at or below the current price. I would not chase it here - this is a name to accumulate on weakness into the ~$390-405 zone, or after the October 26 FY2027 guide de-risks the hardware-comp question.

Applied a 22.5x multiple to my FY2027E (fiscal year ending Sept 2027) adjusted EPS of $19.20, built from the FY2026 guidance midpoint of $17.27 (9-10% revenue growth, $17.21-$17.33 adjusted EPS) grown ~11%; the 22.5x sits below F5's five-year average trailing P/E of 27.6x because roughly a third of current product growth is a hardware refresh cycle rather than durable software. Cross-checks support the figure: at $432 the stock yields ~4.0% on TTM FCF of $969.6M and ~4.6% on FY2027E FCF, and a 9% WACC DCF (8% FCF growth for five years, 5% for the next five, 3% terminal) lands near $450.