What is FFIV's market cap?

$18.73B, based on the Nov 4 close of $329.72.

What is FFIV's P/E ratio?

25.8× trailing-twelve-month earnings of $726.51M.

Does F5 pay a dividend?

No regular cash dividend has been paid in the last year.

How much of FFIV is sold short?

1.1M shares, 1.9% of float, as of Oct 15, 2026.

What sector is FFIV in?

Technology, in the Networking Equipment industry.

NASDAQ · FFIVTechnologyNetworking Equipment

F5, Inc. Common Stock (FFIV)

$329.72−0.43%

Close Nov 4, 2026 · split-adjusted

Nov 3, 2026$331.15▲ 32.97% in range

Nov 3, 2025Low $223.99 · High $479.83Nov 3, 2026

What changed · written from our data

As of Nov 4, 2026

F5 closed at $329.72 on Nov 4, down 0.43%, 31.3% below its 52-week closing high. Volume of 1.0M shares was 1.00× its 20-day average (close to normal).

Split-adjusted performance: -29.8% over one month, -3.3% over six months, +32.4% over one year.

In the quarter ended Jun 30, 2026, revenue was $865.08M, up 10.9% from a year earlier, with a net margin of 24.1%.

Short interest was 1.1M shares at the Oct 15 settlement, down 14.9% from the prior report (1.9% of float, 2.1 days to cover).

Market cap$18.73B56.8M shares

Revenue · quarter$865.1M+10.9% YoY

Diluted EPS$3.62+11.4% YoY

P/E · TTM25.8×P/S 5.7×

Net margin24.1%Gross 82.2%

Dividend yieldNone

52-week range223.99 – 479.83−31.3% from high

Volume1.0M1.00× 20-day avg

Volatility · 60d59.5%Annualised

Short % of float1.9%2.1 days to cover

Net cash$1.61BCash $1.61B

Next earnings—Not scheduled

Split-adjusted performance

1W −9.8%1M −29.8%3M −20.2%6M −3.3%YTD +29.2%1Y +32.4%3Y +121.0%5Y +52.6%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Networking Equipment

Percentile among 11 companies (100 = best)

6-month momentum60

Revenue growth44

Net margin89

Value (low P/E)—

Size80

Industry medians: 6-month return −10.9%, revenue growth +13.2%, net margin 7.9%, P/E 47.9×.

Short interest

Details →

Shares short1.1M−14.9% vs prior

Days to cover2.1Settled Oct 15

% of float1.9%

Short vol. 10d45.3%of daily volume

Closest peers by size in Networking Equipment

Company	Price	Today	6M	Rev. growth	Net margin	P/E	Mkt cap
FFIVF5	$329.72	−0.43%	−3.3%	+10.9%	24.1%	25.8	$18.73B
EXTRExtreme Networks	$22.84	+0.13%	−3.0%	+9.9%	4.7%	57.1	$3.00B	Compare
DGIIDigi International	$72.58	+0.76%	+23.3%	+29.0%	11.4%	56.5	$2.75B	Compare
ATENA10 NETWORKS	$23.81	−2.02%	−10.9%	+15.5%	11.1%	40.2	$1.73B	Compare
ANETArista Networks	$178.48	+5.04%	+21.4%	+37.7%	40.0%	55.7	$225.10B	Compare
CSCOCisco Systems, Inc. Common Stock (DE)	$103.61	+0.62%	+13.1%	+17.6%	22.4%	30.8	$408.49B	Compare
NTGRNETGEAR	$22.32	+2.29%	−12.7%	−1.2%	−4.3%	—	$606.6M	Compare
LTRXLantronix	$5.65	−3.58%	−16.5%	+8.0%	−0.9%	—	$264.9M	Compare
FOXXFoxx Development Holdings	$1.88	−2.59%	−60.4%	—	—	—	$13.3M	Compare

News about F5

All news →

PENG vs. FFIV: Which Stock Is the Better Value Option?Zacks Investment Research · 1d agoNeutral FFIV Q4 Earnings Beat Estimates on Strong Systems GrowthZacks Investment Research · Oct 28, 2026▲ Positive F5 (FFIV) Q4 Earnings: Taking a Look at Key Metrics Versus EstimatesZacks Investment Research · Oct 27, 2026▲ Positive F5 Networks (FFIV) Q4 Earnings and Revenues Top EstimatesZacks Investment Research · Oct 27, 2026▲ Positive VTEX or FFIV: Which Is the Better Value Stock Right Now?Zacks Investment Research · Oct 14, 2026▼ Negative

Quick answers

What does F5 do?: F5 is a market leader in the application delivery controller market. The company sells security, application performance, and automation products.
What is FFIV's market cap?: $18.73B, based on the Nov 4 close of $329.72.
What is FFIV's P/E ratio?: 25.8× trailing-twelve-month earnings of $726.51M.
Does F5 pay a dividend?: No regular cash dividend has been paid in the last year.
How much of FFIV is sold short?: 1.1M shares, 1.9% of float, as of Oct 15, 2026.
What sector is FFIV in?: Technology, in the Networking Equipment industry.

About F5

F5 is a market leader in the application delivery controller market. The company sells security, application performance, and automation products. Its three customer verticals are enterprises, service providers, and government entities. Revenue is evenly split between its services and products businesses, with revenue trending toward products as software adoption grows. The Seattle-based firm was incorporated in 1996 and went public in 1999.

HQ: Seattle, WA6,578 employeesListed Jun 4, 1999f5.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology