Siteone Landscape Supply Inc

CUSIP 82982L103COMSITEQ1 2026

13D / 13G Filings

Schedule 13D/13G on record

Beneficial Filers

Distinct reporting persons

Largest Stake

12.6%

Max % of class reported

Institutional Holders

414

13F filers (latest quarter)

36 filings · latest Feb 13, 2026

#	Filed	Reporting Person	Form	% of Class	Shares	Filing
1	Feb 13, 2026	Kayne Anderson Rudnick Investment Management, LLC	13G/A	6.0%	2.67M	SEC
2	Nov 14, 2025	T. Rowe Price Associates, Inc.	13G/A	10.4%	4.65M	SEC
3	Feb 5, 2025	Blackrock, Inc.	13G/A	4.6%	2.06M	SEC
4	Nov 14, 2024	Price T Rowe Associates Inc /Md/	13G/A	12.6%	5.69M	SEC
5	Nov 8, 2024	Blackrock, Inc.	13G/A	5.7%	2.55M	SEC
6	Oct 24, 2024	Blackrock, Inc.	13G/A	5.7%	2.55M	SEC
7	Feb 14, 2024	Price T Rowe Associates Inc /Md/	13G/A	11.5%	5.21M	SEC
8	Feb 13, 2024	Kayne Anderson Rudnick Investment Management LLC	13G/A	7.5%	3.38M	SEC
9	Feb 13, 2024	Vanguard Group Inc	13G/A	9.2%	4.13M	SEC
10	Jan 25, 2024	Blackrock Inc.	13G	8.9%	4.04M	SEC

See the full Schedule 13D/13G history for Siteone Landscape Supply Inc.

Largest reported positions · latest quarter

#	Fund	Shares	Value
1	Kayne Anderson Rudnick Investment Management LLC	2.49M	$331.01M
2	Aqr Capital Management LLC	2.27M	$292.79M
3	Wasatch Advisors LP	2.12M	$282.40M
4	Blackrock, Inc.	2.07M	$274.98M
5	Bamco Inc /Ny/	2.06M	$274.08M
6	Conestoga Capital Advisors, LLC	1.11M	$147.31M
7	59 North Capital Management, LP	1.05M	$139.69M
8	Capital World Investors	961.0K	$127.91M
9	Artisan Partners Limited Partnership	837.0K	$111.41M
10	Impax Asset Management Group PLC	824.4K	$109.74M