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SiteOne Landscape Supply market cap SITE

Share price times shares outstanding: what the whole company sells for, since 2016.

Today, Oct 23, 2026
$4.5B
Highest close in our data
$11.1B
Nov 2021

SiteOne Landscape Supply is worth $4.5B at the close on Oct 23, 2026, at $103.16 a share.

That is down 19% over the last year and down 57% over five years.

Its highest close in our data was $11.1B in Nov 2021.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$4.5B$3.8B$7B−21%
2025$5.7B$5B$6.8B−6%
2024$6B$5.3B$8.4B−18%
2023$7.3B$5.6B$7.8B+39%
2022$5.3B$4.6B$9.4B−51%
2021$10.8B$7B$11.1B+54%
2020$7B$2.4B$7B+87%
2019$3.7B$1.9B$3.8B+65%
2018$2.3B$2.2B$3.7B−26%
2017$3.1B$1.4B$3.1B+122%
2016$1.4B$1.2B$1.6Bn/a

Against its peers

Companies in Industrial - Distribution nearest SiteOne Landscape Supply's size, closest first, today.

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on SiteOne Landscape Supply

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.