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Fortinet, Inc. (FTNT) stock surged in Thursday’s after-hours session after the cybersecurity software and solutions provider reported better-than-expected fourth-quarter results, underpinned by record margins, and issued upbeat guidance.
Sunnyvale, California-based Fortinet reported fourth-quarter non-GAAP earnings per share (EPS) of $0.74, compared to the year ago’s $0.51 and the consensus estimate of $0.61.
Revenue increased 17.3% year over year (YoY) to $1.66 billion, exceeding the $1.53-billion consensus estimate and the company’s guidance of $1.56 billion to $1.62 billion.
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Service revenue was $1.09 billion, and product revenue was $574 million.
Billings rose 7.4% YoY to $2 billion, hitting the higher end of the guidance range of $1.90 billion to $ 2 billion. The growth accelerated from the third quarter’s 7% pace.
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The company noted that GAAP and non-GAAP operating margin were at a record 35% and 39%, respectively.
United SASE annual recurring revenue (ARR) climbed 28% and security operations ARR rose 32%.
The company generated cash flow from operations of $477.6 million for the quarter, up from $191.7 million a year earlier. Free cash flow increased from $164.8 million to $380 million.
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Ken Xie, CEO of Fortinet, said, “In the fourth quarter, we successfully balanced growth and profitability as our non-GAAP operating margin increased 720 basis points year-over-year to a company record of 39%, while revenue grew 17%.”
Fortinet expects first-quarter revenue in the range of $1.5 billion to $1.56 billion, billings in the range of $1.52 billion to $1.60 billion and non-GAAP EPS of $0.52-$0.54.
These estimates surrounded the consensus top- and bottom-line estimates of $1.53 billon and $0.53, respectively.
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The annual revenue is estimated at $6.65 billion to $6.85 billion, billings at $7.20 billion to $7.40 billion and non-GAAP EPS at $2.41-$2.47. The average analysts’ revenue and EPS estimates are at $6.62 billion and $2.43, respectively.

On Stocktwits, retail sentiment toward Fortinet stock stayed ‘extremely bullish’ (97/100) and message volume remained ‘extremely high.’
A platform user predicted more upside for the stock in Friday’s session when volume builds up.
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Another user positioned themselves for sustained upside due to positive fundamentals.
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Fortinet stock ended the after-hours session up 7.92% at $113.01, marking a record high. The stock has gained about 11% so far this year, on top of the 61.4% upside in 2024.
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