As of November 6, 2026, SiteOne Landscape Supply, Inc. is a publicly traded company (NYSE: SITE); its largest reported holder is T. Rowe Price, with 10.4% on Schedule 13G/A of November 14, 2025, then Vanguard (5.27%). The largest insider holding is Doug Black, the chief executive and a director, with 611,527 shares (1.4% of shares outstanding), per Form 4 of November 3, 2026 (Schedule 13G/A, November 14, 2025).
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Is SiteOne Landscape Supply, Inc. a real, registered company?
- SiteOne Landscape Supply Inc files with the SEC under CIK 1650729 (its SEC filings).
- Its shares are listed under the ticker SITE on NYSE (SEC company record).
- Incorporated in Delaware; business address in Roswell, Georgia, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under SiteOne Landscape Supply Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Scott Salmon, Executive Vice President, Strategy and Development (Form 8-K filed 2026-03-31). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names AQR (filed 2026-05-14).
Who are SiteOne Landscape Supply, Inc.'s owners and officers?
SiteOne Landscape Supply, Inc.: incorporated in Delaware; business address in Roswell, Georgia; industry Wholesale-Professional & Commercial Equipment & Supplies (Schedule 13G/A, 2026-08-13).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-13 | Kayne Anderson Rudnick Investment Management, LLC | 4.6% |
| Schedule 13G/A, 2026-08-12 | Aqr Capital Management, LLC | 2.79% |
| Schedule 13G, 2026-05-14 | Aqr Capital Management, LLC | 5.11% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.27% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-13 | Kayne Anderson Rudnick Investment Management, LLC | 6% |
| Schedule 13G/A, 2025-11-14 | T. Rowe Price Associates, Inc. | 10.4% |
Questions about who owns SiteOne Landscape Supply, Inc.
Who owns SiteOne Landscape Supply, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of SiteOne Landscape Supply, Inc.: T. Rowe Price Associates, Inc. (10.4%, Schedule 13G/A, filed 2025-11-14) and Vanguard Capital Management (5.27%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of SiteOne Landscape Supply, Inc.?
By the share each holder's latest filing reports, the largest holders of SiteOne Landscape Supply, Inc. on this page are T. Rowe Price Associates, Inc. (10.4%) and Vanguard Capital Management (5.27%).
When did T. Rowe Price Associates, Inc. buy into SiteOne Landscape Supply, Inc.?
The filings give report dates, not purchase dates. The earliest filing from T. Rowe Price Associates, Inc. on this page is the Schedule 13G/A, filed 2025-11-14, reporting 10.4%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-03-31 | Scott Salmon | Executive Vice President, Strategy and Development | departed | 2026-03-31 |
| Form 8-K, 2026-03-31 | Daniel Laughlin | Senior Vice President, Strategy and Development | appointed |
Which insiders own SiteOne Landscape Supply, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and a director: 611,527 shares (1.4% of shares outstanding), 482,161 held directly and 129,366 indirectly (Form 4, 2026-11-03).
- , a director: 19,120 shares (0.04% of shares outstanding) (Form 4, 2026-05-14).
- , a director: 19,120 shares (0.04% of shares outstanding) (Form 4, 2026-05-14).
- , the executive vice president and human resources: 14,636 shares (0.03% of shares outstanding) (Form 4, 2026-02-12).
- , the executive vice president and strategy: 13,705 shares (0.03% of shares outstanding) (Form 4, 2026-02-12).
Shares outstanding: 43,131,936 as of 2026-10-23, from the company's latest SEC cover page.
How much has SiteOne Landscape Supply, Inc. raised?
No fundraising or offering filing from SiteOne Landscape Supply, Inc. is on file with us.
Keep reading
More on SiteOne Landscape Supply, Inc. and the records around it.
SiteOne Landscape Supply, Inc. elsewhere on the record
- Leadership changes Mar 2026
Companies that share a holder
- Kayne Anderson Rudnick Investment Management, LLC also filed stake reports on 53 other companies: Andersen Group Inc. (Aug 2026), Bright Horizons Family Solutions Inc (Aug 2026), Choice Hotels International Inc (Aug 2026)
- AQR Capital Management, LLC also filed stake reports on 190 other companies: Bold Eagle Acquisition Corp. (Nov 2026), Centurion Acquisition Corp. (Aug 2026), FG Merger II Corp. n/k/a BOXABL Inc. (Aug 2026)
- T. Rowe Price Associates, Inc. also filed stake reports on 191 other companies: PACIFIC BIOSCIENCES OF CALIF (Nov 2026), APARTMENT INVT & MGMT CO -A (Oct 2026), BETA BIONICS INC (Oct 2026)
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