⚠ The Founder Has RetiredLow threat

Palo Alto Networks (PANW) — threat to the moat

Palo Alto's founder retired in 2025, leaving a company that now spends far more buying technology than building it.

1. ReportedPalo Alto announced that Nir Zuk, who "founded Palo Alto Networks in 2005", was retiring, and that Lee Klarich, the chief product officer, had joined the board and taken the role of CTO.
   Palo Alto Networks press release on the retirement of founder Nir Zuk and the appointment of Lee Klarich as CTO and director, Form 8-K exhibit 99.2. — August 2025 · publ. 18 August 2025 · source ↗
2. ReportedKlarich has run product for years and is one of the four executives covered by a change-in-control and severance policy adopted in August 2026, alongside Nikesh Arora, Dipak Golechha and William Jenkins.
   Palo Alto Networks Form 8-K - executive change-in-control and severance policy covering Nikesh Arora, Dipak Golechha, William Jenkins and Lee Klarich. — August 2026 · publ. 21 August 2026 · source ↗
3. ReportedThe company is run by professional managers, and has been since Arora joined in 2018.
   Palo Alto Networks Form 10-K for fiscal 2026 (year ended 31 July 2026) - Item 1 business and Item 7 MD&A: platforms, customers, channels, employees, revenue by type and geography. — FY2026 · publ. 10 September 2026 · source ↗
4. ReportedPalo Alto spent $2,552 million on research and development in fiscal 2026, about 22.2% of revenue, and more than $24 billion on acquisitions in the same year.
   Palo Alto Networks Form 10-K for fiscal 2026 (year ended 31 July 2026) - acquisition notes: CyberArk, Chronosphere and other purchase accounting, and pro forma results. — FY2026 · publ. 10 September 2026 · source ↗
5. Moat Explorer calcPalo Alto spent $2,552 million on research and development in fiscal 2026, about 22.2% of revenue, and more than $24 billion on acquisitions in the same year.
   Moat Explorer calculation from Palo Alto Networks' reported figures ($ millions unless stated; fiscal years end 31 July). Growth: revenue FY2026 11,480 / 9,221.5 - 1 = 24.5%; FY2025 9,221.5 / 8,027.5 - 1 = 14.9%; FY2024 8,027.5 / 6,892.7 - 1 = 16.5%; FY2023 25.3%; FY2022 29.3%; FY2021 24.9%; FY2020 17.5%; FY2024 to FY2026 11,480 / 8,027.5 - 1 = 43%; compound FY2015-FY2026 (11,480 / 928.1)^(1/11) - 1 = 25.7%, about 26%. By type FY2026: product 2,280 / 1,801.9 - 1 = 26.5%; subscription 6,239 / 4,974.4 - 1 = 25.4%; support 2,961 / 2,445.2 - 1 = 21.1%. Product FY2025 12.4%, FY2024 1,603.3 / 1,578.4 - 1 = 1.6%, FY2020 1,064.2 / 1,096.2 - 1 = -2.9%. Subscription FY2017 53.7%, FY2019 36.2%, FY2021 35.1%, FY2023 31.4%, FY2024 25.6%, FY2025 18.8%. Support FY2022 29.3%, FY2023 23.7%, FY2024 13.0%, FY2025 9.4%. Compound FY2015-FY2026: subscription (6,239 / 212.7)^(1/11) - 1 = 36.0%; support (2,961 / 222.7)^(1/11) - 1 = 26.5%; product (2,280 / 492.7)^(1/11) - 1 = 14.9%. Product outgrew subscription in FY2026 (26.5% against 25.4%), which it did not in any year FY2016-FY2025. Organic: FY2026 (11,480 - 930) / 9,221 - 1 = 14.4%; Q4 acquisition revenue 930 - 388 = 542; Q4 (3,410 - 542) / 2,536 - 1 = 13.1%, about 13%; pro forma 12,312 / 10,486 - 1 = 17.4%; FY2027 guidance 14.15 / 12.312 - 1 = 14.9%, about 15%. Margins: gross margin FY2026 8,077 / 11,480 = 70.4% (FY2025 6,769.9 / 9,221.5 = 73.4%; FY2024 5,968.3 / 8,027.5 = 74.3%); Q4 GAAP 2,304 / 3,410 = 67.6%. Product gross margin (2,280 - 568) / 2,280 = 75.1% (FY2025 (1,801.9 - 413) / 1,801.9 = 77.1%); subscription and support (9,200 - 2,835) / 9,200 = 69.2% (FY2025 (7,419.6 - 2,038) / 7,419.6 = 72.5%). Operating margin 695 / 11,480 = 6.1% (FY2025 1,242.9 / 9,221.5 = 13.5%); non-GAAP 3,356 / 11,480 = 29.2% (FY2025 2,652 / 9,221.5 = 28.8%); Q4 non-GAAP 1,011 / 3,410 = 29.6%; gap 3,356 - 695 = 2,661. R&D 2,552 / 11,480 = 22.2%; sales and marketing 3,931 / 11,480 = 34.2%; capital expenditure 440 / 11,480 = 3.8%. Tax 229 / (307 + 229 = 536) = 42.7%. Mix: product share 492.7 / 928.1 = 53.1% (FY2015), 2,280 / 11,480 = 19.9% (FY2026); subscription 212.7 / 928.1 = 22.9%, 6,239 / 11,480 = 54.3%; support 222.7 / 928.1 = 24.0%, 2,961 / 11,480 = 25.8%; one point of share 1% x 11,480 = 115. Recurring share 435.4 / 928.1 = 46.9% (FY2015), 1,393.8 / 2,273.6 = 61.3% (FY2018), 3,135.8 / 4,256.1 = 73.7% (FY2021), 6,424.2 / 8,027.5 = 80.0% (FY2024). Subscription and support per dollar of product 435.4 / 492.7 = 0.88 (FY2015), 1,393.8 / 879.8 = 1.58 (FY2018), 3,135.8 / 1,120.3 = 2.80 (FY2021), 6,424.2 / 1,603.3 = 4.01 (FY2024), 9,200 / 2,280 = 4.04 (FY2026). Hardware about 10% x 11,480 = about 1,150, about 50% of product. NGS ARR 9.10 / 11.48 = 79% of revenue. United States 7,108 / 11,480 = 61.9% (FY2016 901.8 / 1,378.5 = 65.4%). Q4 share of year 3,410 / 11,480 = 29.7%, about 30%. Prisma AIRS ARR 100 / 11,480 = under 1%. ARR and RPO: Q3 acquired ARR 1.6 / 8.1 = 20%, about a fifth; Q3 organic 8.1 - 1.6 = 6.5; Q3 acquired RPO 1.8 / 18.4 = 10%; FY2023 NGS ARR 4.2 / 1.43 = about 2.9; FY2025 growth 5.6 / 4.2 - 1 = 33%; Q1 FY2027 net new 9.54 - 9.10 = 0.44 to 9.56 - 9.10 = 0.46 billion; FY2030 target (20 / 9.1)^(1/4) - 1 = 21.8% a year; RPO / revenue 21.2 / 11.48 = 1.85; RPO due in 12 months 1.7 / 3.1 = 55% (FY2019), 2.2 / 4.3 = 51% (FY2020), 3.1 / 5.9 = 53% (FY2021), 4.1 / 8.2 = 50% (FY2022), 5.1 / 10.6 = 48% (FY2023), 5.9 / 12.7 = 46% (FY2024), 7.0 / 15.8 = 44% (FY2025), 9.3 / 21.2 = 44% (FY2026); RPO beyond 12 months 21.2 - 9.3 = 11.9 billion; Idira guidance 1.5 / 1.26 - 1 = 19%; Network and AI Security FY2025 8.35 / 1.17 = about 7.14 billion. Revenue from prior deferred 6.2 / 5.5 - 1 = 13%. Cash, deferred revenue and stock pay: free cash flow margin 4,113 / 11,480 = 35.8%; share-based compensation (cash flow) 1,774 / 11,480 = 15.5%; 1,774 / 1,295 - 1 = 37%; 1,774 / 4,113 = 43%; free cash flow after stock pay 4,113 - 1,774 = 2,339, 2,339 / 11,480 = 20.4%, 2,339 / 306,540 = 0.76%; free cash flow 4,113 / 306,540 = 1.3% and 4,113 / 27,492 = 15%. Stock pay share of revenue FY2016 392.8 / 1,378.5 = 28.5%, FY2020 658.4 / 3,408.4 = 19.3%, FY2024 1,076 / 8,027.5 = 13.4%, FY2025 1,295 / 9,221.5 = 14.0%. 10-K share-based compensation 1,815 / 1,079 - 1 = 68%. Equity plan (26.1 + 24.3) / 818 = 6%. Net cash 2,514 + 557 + 4,835 - 1,774 = 6,132; cash and investments 2,514 + 557 + 4,835 = 7,906, about 7.9 billion. Deferred revenue 1,582.1 + 1,306.6 = 2,888.7 (FY2019); 2,741.9 + 2,282.1 = 5,024.0 (FY2021); 4,674.6 + 4,621.8 = 9,296.4 (FY2023); 6,302.2 + 6,449.7 = 12,751.9 (FY2025); 7,747 + 7,009 = 14,756 (FY2026); 14,756 / 11,480 = 1.29 times; 2,888.7 / 2,899.6 = about one year (FY2019); growth 14,756 / 12,751.9 - 1 = 15.7%; excluding CyberArk (14,756 - 776) / 12,751.9 - 1 = 9.6%. Billings FY2025 9,221.5 + (12,751.9 - 11,480.5) = 10,493, 10,493 / 10,208.1 - 1 = 2.8%; FY2026 11,480 + (14,756 - 12,752) - 776 = about 12,708, 12,708 / 10,493 - 1 = 21%; February 2024 guidance cut 10.7 - 10.1 = 0.6 billion. Acquisitions: fiscal 2019 378.1 + 474.2 + 158.2 + 292.9 + 82.7 + 36.8 + 103.1 = 1,526; fiscal 2020 144.1 + 66.4 = 210.5; fiscal 2021 797.2 + 227.7 + 156.9 + 27.0 = 1,209; fiscal 2024 255.4 + 458.6 = 714; fiscal 2025 1,143 + 635 = 1,778; fiscal 2026 2,951 + 21,061 + 231 + 117 = 24,360, about 24.4 billion; all twenty-two FY2019-FY2026 including Cider 198.3 = 29,996, about 30.0 billion; FY2026 against FY2019-FY2025 24,360 / 5,636 = 4.3 times; after year end 325 + 500 = 825; AI security 635 + 231 + 117 = 983. CyberArk shares 18,488 / 112 = about 165 a share; 25,000 - 21,061 = about 3.9 billion; 112 x 374.74 = about 42.0 billion; 112 / 818 = 14%. Chronosphere 2,951 / 160 = about 18 times ARR. Goodwill and intangibles (22,010 + 7,017) / 48,460 = 60%; other assets 48,460 - 29,027 = 19,433. Headcount 21,921 - 4,223 = 17,698, 17,698 / 16,068 - 1 = 10%. Revenue per employee 928.1 / 2,637 = 0.35; 9,221.5 / 16,068 = 0.57; 11,480 / 21,921 = 0.52. Convertible loss Q1-Q3 562 - 524 = 38. Distributors: FY2019 31.8 + 22.1 + 10.7 + 10.0 = 74.6%; FY2021 33.2 + 12.2 + 10.6 = 56.0%; FY2023 25.0 + 12.8 + 11.9 = 49.7%; FY2024 21.2 + 13.2 + 13.2 + 11.4 = 59.0%; FY2025 18.8 + 14.4 + 11.0 = 44.2%; FY2026 15 + 15 = 30%; largest 34.4% (FY2020) to 15% (FY2026); receivables FY2019 29.9 + 18.9 + 14.2 = 63.0%. Valuation: market value over fiscal revenue at calendar year-end 15.13 / 0.928 = 16.3 (2015), 11.47 / 1.3785 = 8.3 (2016), 42.19 / 5.5015 = 7.7 (2022), 92.98 / 6.8927 = 13.5 (2023), 119.40 / 8.0275 = 14.9 (2024), 128.39 / 9.2215 = 13.9 (2025); 306.54 / 11.48 = 26.7; 306.54 / 0.307 = 998; 374.74 / 3.84 = 97.6; market value against Fortinet 306.54 / 130.12 = 2.4, against CrowdStrike 306.54 / 267.43 = 1.15; analyst target 395.70 / 374.74 - 1 = 6% - valuation, cash flow, stock pay, deferred revenue, billings and acquisitions. — FY2015-FY2027 · publ. September 2026 · source ↗
   Method: Arithmetic on figures reported in Palo Alto Networks' Forms 10-K and results releases, the Q4 FY2026 earnings call and market data; operands shown in the source line.
6. Moat Explorer calcPalo Alto spent $2,552 million on research and development in fiscal 2026, about 22.2% of revenue, and more than $24 billion on acquisitions in the same year.
   Moat Explorer calculation from Palo Alto Networks' reported figures ($ millions unless stated; fiscal years end 31 July). Growth: revenue FY2026 11,480 / 9,221.5 - 1 = 24.5%; FY2025 9,221.5 / 8,027.5 - 1 = 14.9%; FY2024 8,027.5 / 6,892.7 - 1 = 16.5%; FY2023 25.3%; FY2022 29.3%; FY2021 24.9%; FY2020 17.5%; FY2024 to FY2026 11,480 / 8,027.5 - 1 = 43%; compound FY2015-FY2026 (11,480 / 928.1)^(1/11) - 1 = 25.7%, about 26%. By type FY2026: product 2,280 / 1,801.9 - 1 = 26.5%; subscription 6,239 / 4,974.4 - 1 = 25.4%; support 2,961 / 2,445.2 - 1 = 21.1%. Product FY2025 12.4%, FY2024 1,603.3 / 1,578.4 - 1 = 1.6%, FY2020 1,064.2 / 1,096.2 - 1 = -2.9%. Subscription FY2017 53.7%, FY2019 36.2%, FY2021 35.1%, FY2023 31.4%, FY2024 25.6%, FY2025 18.8%. Support FY2022 29.3%, FY2023 23.7%, FY2024 13.0%, FY2025 9.4%. Compound FY2015-FY2026: subscription (6,239 / 212.7)^(1/11) - 1 = 36.0%; support (2,961 / 222.7)^(1/11) - 1 = 26.5%; product (2,280 / 492.7)^(1/11) - 1 = 14.9%. Product outgrew subscription in FY2026 (26.5% against 25.4%), which it did not in any year FY2016-FY2025. Organic: FY2026 (11,480 - 930) / 9,221 - 1 = 14.4%; Q4 acquisition revenue 930 - 388 = 542; Q4 (3,410 - 542) / 2,536 - 1 = 13.1%, about 13%; pro forma 12,312 / 10,486 - 1 = 17.4%; FY2027 guidance 14.15 / 12.312 - 1 = 14.9%, about 15%. Margins: gross margin FY2026 8,077 / 11,480 = 70.4% (FY2025 6,769.9 / 9,221.5 = 73.4%; FY2024 5,968.3 / 8,027.5 = 74.3%); Q4 GAAP 2,304 / 3,410 = 67.6%. Product gross margin (2,280 - 568) / 2,280 = 75.1% (FY2025 (1,801.9 - 413) / 1,801.9 = 77.1%); subscription and support (9,200 - 2,835) / 9,200 = 69.2% (FY2025 (7,419.6 - 2,038) / 7,419.6 = 72.5%). Operating margin 695 / 11,480 = 6.1% (FY2025 1,242.9 / 9,221.5 = 13.5%); non-GAAP 3,356 / 11,480 = 29.2% (FY2025 2,652 / 9,221.5 = 28.8%); Q4 non-GAAP 1,011 / 3,410 = 29.6%; gap 3,356 - 695 = 2,661. R&D 2,552 / 11,480 = 22.2%; sales and marketing 3,931 / 11,480 = 34.2%; capital expenditure 440 / 11,480 = 3.8%. Tax 229 / (307 + 229 = 536) = 42.7%. Mix: product share 492.7 / 928.1 = 53.1% (FY2015), 2,280 / 11,480 = 19.9% (FY2026); subscription 212.7 / 928.1 = 22.9%, 6,239 / 11,480 = 54.3%; support 222.7 / 928.1 = 24.0%, 2,961 / 11,480 = 25.8%; one point of share 1% x 11,480 = 115. Recurring share 435.4 / 928.1 = 46.9% (FY2015), 1,393.8 / 2,273.6 = 61.3% (FY2018), 3,135.8 / 4,256.1 = 73.7% (FY2021), 6,424.2 / 8,027.5 = 80.0% (FY2024). Subscription and support per dollar of product 435.4 / 492.7 = 0.88 (FY2015), 1,393.8 / 879.8 = 1.58 (FY2018), 3,135.8 / 1,120.3 = 2.80 (FY2021), 6,424.2 / 1,603.3 = 4.01 (FY2024), 9,200 / 2,280 = 4.04 (FY2026). Hardware about 10% x 11,480 = about 1,150, about 50% of product. NGS ARR 9.10 / 11.48 = 79% of revenue. United States 7,108 / 11,480 = 61.9% (FY2016 901.8 / 1,378.5 = 65.4%). Q4 share of year 3,410 / 11,480 = 29.7%, about 30%. Prisma AIRS ARR 100 / 11,480 = under 1%. ARR and RPO: Q3 acquired ARR 1.6 / 8.1 = 20%, about a fifth; Q3 organic 8.1 - 1.6 = 6.5; Q3 acquired RPO 1.8 / 18.4 = 10%; FY2023 NGS ARR 4.2 / 1.43 = about 2.9; FY2025 growth 5.6 / 4.2 - 1 = 33%; Q1 FY2027 net new 9.54 - 9.10 = 0.44 to 9.56 - 9.10 = 0.46 billion; FY2030 target (20 / 9.1)^(1/4) - 1 = 21.8% a year; RPO / revenue 21.2 / 11.48 = 1.85; RPO due in 12 months 1.7 / 3.1 = 55% (FY2019), 2.2 / 4.3 = 51% (FY2020), 3.1 / 5.9 = 53% (FY2021), 4.1 / 8.2 = 50% (FY2022), 5.1 / 10.6 = 48% (FY2023), 5.9 / 12.7 = 46% (FY2024), 7.0 / 15.8 = 44% (FY2025), 9.3 / 21.2 = 44% (FY2026); RPO beyond 12 months 21.2 - 9.3 = 11.9 billion; Idira guidance 1.5 / 1.26 - 1 = 19%; Network and AI Security FY2025 8.35 / 1.17 = about 7.14 billion. Revenue from prior deferred 6.2 / 5.5 - 1 = 13%. Cash, deferred revenue and stock pay: free cash flow margin 4,113 / 11,480 = 35.8%; share-based compensation (cash flow) 1,774 / 11,480 = 15.5%; 1,774 / 1,295 - 1 = 37%; 1,774 / 4,113 = 43%; free cash flow after stock pay 4,113 - 1,774 = 2,339, 2,339 / 11,480 = 20.4%, 2,339 / 306,540 = 0.76%; free cash flow 4,113 / 306,540 = 1.3% and 4,113 / 27,492 = 15%. Stock pay share of revenue FY2016 392.8 / 1,378.5 = 28.5%, FY2020 658.4 / 3,408.4 = 19.3%, FY2024 1,076 / 8,027.5 = 13.4%, FY2025 1,295 / 9,221.5 = 14.0%. 10-K share-based compensation 1,815 / 1,079 - 1 = 68%. Equity plan (26.1 + 24.3) / 818 = 6%. Net cash 2,514 + 557 + 4,835 - 1,774 = 6,132; cash and investments 2,514 + 557 + 4,835 = 7,906, about 7.9 billion. Deferred revenue 1,582.1 + 1,306.6 = 2,888.7 (FY2019); 2,741.9 + 2,282.1 = 5,024.0 (FY2021); 4,674.6 + 4,621.8 = 9,296.4 (FY2023); 6,302.2 + 6,449.7 = 12,751.9 (FY2025); 7,747 + 7,009 = 14,756 (FY2026); 14,756 / 11,480 = 1.29 times; 2,888.7 / 2,899.6 = about one year (FY2019); growth 14,756 / 12,751.9 - 1 = 15.7%; excluding CyberArk (14,756 - 776) / 12,751.9 - 1 = 9.6%. Billings FY2025 9,221.5 + (12,751.9 - 11,480.5) = 10,493, 10,493 / 10,208.1 - 1 = 2.8%; FY2026 11,480 + (14,756 - 12,752) - 776 = about 12,708, 12,708 / 10,493 - 1 = 21%; February 2024 guidance cut 10.7 - 10.1 = 0.6 billion. Acquisitions: fiscal 2019 378.1 + 474.2 + 158.2 + 292.9 + 82.7 + 36.8 + 103.1 = 1,526; fiscal 2020 144.1 + 66.4 = 210.5; fiscal 2021 797.2 + 227.7 + 156.9 + 27.0 = 1,209; fiscal 2024 255.4 + 458.6 = 714; fiscal 2025 1,143 + 635 = 1,778; fiscal 2026 2,951 + 21,061 + 231 + 117 = 24,360, about 24.4 billion; all twenty-two FY2019-FY2026 including Cider 198.3 = 29,996, about 30.0 billion; FY2026 against FY2019-FY2025 24,360 / 5,636 = 4.3 times; after year end 325 + 500 = 825; AI security 635 + 231 + 117 = 983. CyberArk shares 18,488 / 112 = about 165 a share; 25,000 - 21,061 = about 3.9 billion; 112 x 374.74 = about 42.0 billion; 112 / 818 = 14%. Chronosphere 2,951 / 160 = about 18 times ARR. Goodwill and intangibles (22,010 + 7,017) / 48,460 = 60%; other assets 48,460 - 29,027 = 19,433. Headcount 21,921 - 4,223 = 17,698, 17,698 / 16,068 - 1 = 10%. Revenue per employee 928.1 / 2,637 = 0.35; 9,221.5 / 16,068 = 0.57; 11,480 / 21,921 = 0.52. Convertible loss Q1-Q3 562 - 524 = 38. Distributors: FY2019 31.8 + 22.1 + 10.7 + 10.0 = 74.6%; FY2021 33.2 + 12.2 + 10.6 = 56.0%; FY2023 25.0 + 12.8 + 11.9 = 49.7%; FY2024 21.2 + 13.2 + 13.2 + 11.4 = 59.0%; FY2025 18.8 + 14.4 + 11.0 = 44.2%; FY2026 15 + 15 = 30%; largest 34.4% (FY2020) to 15% (FY2026); receivables FY2019 29.9 + 18.9 + 14.2 = 63.0%. Valuation: market value over fiscal revenue at calendar year-end 15.13 / 0.928 = 16.3 (2015), 11.47 / 1.3785 = 8.3 (2016), 42.19 / 5.5015 = 7.7 (2022), 92.98 / 6.8927 = 13.5 (2023), 119.40 / 8.0275 = 14.9 (2024), 128.39 / 9.2215 = 13.9 (2025); 306.54 / 11.48 = 26.7; 306.54 / 0.307 = 998; 374.74 / 3.84 = 97.6; market value against Fortinet 306.54 / 130.12 = 2.4, against CrowdStrike 306.54 / 267.43 = 1.15; analyst target 395.70 / 374.74 - 1 = 6% - valuation, cash flow, stock pay, deferred revenue, billings and acquisitions. — FY2015-FY2027 · publ. September 2026 · source ↗
   Method: Arithmetic on figures reported in Palo Alto Networks' Forms 10-K and results releases, the Q4 FY2026 earnings call and market data; operands shown in the source line.
7. ReportedIn August 2026 the board adopted a change-in-control and severance policy for the chief executive, the chief financial officer, the president and Lee Klarich, with protection lasting "12 months (or 18 months for the CEO) following a Change in Control".
   Palo Alto Networks Form 8-K - executive change-in-control and severance policy covering Nikesh Arora, Dipak Golechha, William Jenkins and Lee Klarich. — August 2026 · publ. 21 August 2026 · source ↗
8. ReportedIn August 2026 the board adopted a change-in-control and severance policy for the chief executive, the chief financial officer, the president and Lee Klarich, with protection lasting "12 months (or 18 months for the CEO) following a Change in Control".
   Palo Alto Networks Form 8-K - executive change-in-control and severance policy covering Nikesh Arora, Dipak Golechha, William Jenkins and Lee Klarich. — August 2026 · publ. 21 August 2026 · source ↗

• Palo Alto Networks Form 10-K, FY2026