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SITE

SiteOne Landscape Supply, Inc.

Company with tickers: SITE

CIK
1650729
CUSIP
82982L103
Shares Outstanding
44,308,229
13F Activity (30d)
224 filings 215 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 424
Total Value: $6,566,782,006
Total Shares: 49,333,501
Showing 1–100 of 432 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 424 13F filers · Δ vs Dec 31, 2025
Top Holder
9.1%
Jun 2023 → Mar 2026 · range 9.1% – 15.1%
−0.3 pts
Top 5
27.3%
Jun 2023 → Mar 2026 · range 27.3% – 41.1%
−2.0 pts
Top 10
44.8%
Jun 2023 → Mar 2026 · range 44.2% – 53.3%
+0.6 pts
HHI
279
Jun 2023 → Mar 2026 · range 279 – 448
Broadly held−8

Quarterly Activity

vs Dec 31, 2025
New
134
Increased
126
Decreased
106
Sold Out
54
Unchanged
58
Holder count: +80
Institutional value: +241.1%
Shares held: +219.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 432
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Holder Value (USD) % of 13F Shares Open