Hollsteen

F5

F5 is a multicloud application delivery and security provider committed to bringing a better digital world to life.

10-K, Nov 25, 2025

Business

How does F5 make money?

Service is 51.1% of revenue.

What is left of every $100?

Of every $100 in revenue, $22 is net income.

Where do customers sit?

55.8% of revenue is from Americas.

Americas55.8%
EMEA26.8%
Asia Pacific17.4%
In the company’s words ›

“F5 partners with the world’s largest, most advanced organizations to optimize and secure every application and Application Programming Interface ("API") anywhere, including on-premises, in the cloud, and at the network edge.”

“F5 enables businesses to continuously stay ahead of threats while delivering exceptional, secure digital experiences for their customers.”

“Our application delivery and security solutions are available in a range of deployment and consumption models.”

Item 1 · Business · 10-K · 0001048695-25-000157 · filed Nov 25, 2025

Where did the growth actually come from?

Product drove 55% of F5’s growth.

Thesis

Why do people invest?

1 reason in the company’s own words.

KPIs

How fast is revenue growing?

Revenue grew 9.7% to $3.1B.

Did the growth reach the shareholder?

Per share, revenue grew 19.3%.

How profitable is it?

24.8% operating margin, up from 23.4%.

How much cash does it make, and where does it go?

Keeps $29 of every $100 as free cash.

How strong is the balance sheet?

Cash: $1.3B; debt not reported.

Dependencies

Who does F5 depend on?

No customer above the disclosure threshold.

Customers, suppliers, stakes and mentions ›

Only what filings state. Anonymous customers stay anonymous.

Largest customers (F5 annual report)

No customer with a reported share of revenue (the 10-K names none above the disclosure threshold).

Suppliers named by F5

No supplier among the covered companies is named in the filings.

F5 holds stakes in

No stake in a covered company found in SEC filings.

Others name F5

1 competitor mention (e.g. Fortinet) in covered companies’ filings. Mentions, not confirmed relationships.

Risks

What could go wrong?

4 of 41 risk factors, one per theme.

  • Competition
    “It is possible that the average selling prices of our products will decrease in the future in response to competitive pricing pressures, increased sales discounts, including responses to inflationary pressures, new product introductions by us or our competitors, or other factors.”

    Item 1A · Risk Factors · 10-K · 0001048695-25-000157 · filed Nov 25, 2025

  • Security, defects and outages
    “The Cyber Incident may harm our reputation, our customers, employee and partner relations and our operations and business.”

    Item 1A · Risk Factors · 10-K · 0001048695-25-000157 · filed Nov 25, 2025

  • Key people
    “Our success depends, in large part, on our ability to attract, engage, retain, and integrate qualified executives and other key employees throughout all areas of our business.”

    Item 1A · Risk Factors · 10-K · 0001048695-25-000157 · filed Nov 25, 2025

  • Acquisitions
    “With respect to our past acquisitions, as well as any other future acquisitions we may undertake, we may find that the acquired businesses, products or technologies do not further our business strategy as expected, that we paid more than what the assets are later worth or that economic conditions change, all of which may generate future impairment charges.”

    Item 1A · Risk Factors · 10-K · 0001048695-25-000157 · filed Nov 25, 2025

Who’s invested

Who owns more than 5%?

Vanguard Capital Management LLC holds 7.49%.

  • Vanguard Capital Management LLC7.49%

    13G · as of Mar 31, 2026 · filed Apr 29, 2026

  • BlackRock, Inc.10.6% (then)

    13G/A · filed Dec 6, 2024 · older than 18 months, current position unknown

  • State Street Corp5.2% (then)

    13G · as of Dec 31, 2023 · filed Jan 29, 2024 · older than 18 months, current position unknown

13F holders and insider trades ›

Largest institutional holders, 13F, quarter ending Jun 30, 2026

  • BlackRock, Inc.11.5%

    6.3M shares · 13F filed Aug 7, 2026 · share of 13F-reported

  • Vanguard Capital Management LLC6.7%

    3.7M shares · 13F filed Aug 13, 2026 · share of 13F-reported

  • State Street Corp5.7%

    3.1M shares · 13F filed Aug 7, 2026 · share of 13F-reported

  • Vanguard Portfolio Management LLC5.1%

    2.8M shares · 13F filed Aug 13, 2026 · share of 13F-reported

  • Jericho Capital Asset Management L.P.3.9%

    2.1M shares · 13F filed Aug 14, 2026 · share of 13F-reported

830 13F filers report positions. 13F covers managers with over $100M in US equities; it is not a full shareholder list, and shares are not a percentage of shares outstanding.

Insiders, last 12 months (Form 4, open market)

0 purchases · 97 sales · $29.1M sold

Grants, gifts and tax withholding counted separately · window Oct 14, 2025 – Oct 14, 2026

All metrics

All metrics · 32 SEC metrics, FY2016–FY2025
Income statement 11
MetricFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Cost of revenue
D&A
G&A
Gross profit
Income taxes
Net income
Operating income
Research and development
Revenue
SG&A calc.
Sales & marketing
Balance sheet 8
MetricFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Cash and equivalents
Current liabilities
Current portion of long-term debtnot reportednot reportednot reportednot reportednot reported
Equity incl. NCI
Long-term debtnot reportednot reportednot reportednot reportednot reportednot reported
Total assets
Total debt calc.not reportednot reportednot reportednot reportednot reportednot reported
Total liabilities & equity
Cash flow 6
MetricFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Buybacks
Capex
Free cash flow calc.
Interest paidnot reportednot reported
Operating cash flow
Stock-based compensation
Per share & shares 4
MetricFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
EPS basic
EPS diluted
Wtd. shares basic
Wtd. shares diluted
Other 3
MetricFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Other income (incl. interest) calc.
Pretax income
Total liabilities