Who owns SiteOne Landscape Supply, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SITE from SEC Form 13F filings across 396 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 396 institutions disclosed 47.1M shares of SiteOne Landscape Supply, Inc. worth $5.38B — about 106.6% of shares outstanding; the largest disclosed holder is PRICE T ROWE ASSOCIATES INC /MD/. Source: SEC Form 13F filings, parsed by EvidInvest.
396
13F holders
$5.38B
value, 2026 filers
106.6%
of shares outstanding (47.1M sh)
73
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SITE's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/ | 4.5M | $511.9M | 0.1% | 10.1% | -0.9% |
| 2 | 59 North Capital Management, LP | 2.1M | $235.4M | 5.2% | 4.7% | +96.0% |
| 3 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.0M | $234.3M | 0.7% | 4.6% | -17.6% |
| 4 | BAMCO INC /NY/ | 2.0M | $232.1M | 0.3% | 4.6% | -1.5% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $229.3M | 0.0% | 4.5% | 0.0% |
| 6 | BlackRock, Inc. | 1.9M | $221.4M | 0.0% | 4.4% | -6.3% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | $197.7M | 0.0% | 3.9% | -2.3% |
| 8 | T. Rowe Price Investment Management, Inc. | 1.7M | $189.1M | 0.1% | 3.7% | -2.4% |
| 9 | WASATCH ADVISORS LP | 1.3M | $145.3M | 1.0% | 2.9% | -40.2% |
| 10 | AQR CAPITAL MANAGEMENT LLC | 1.2M | $140.5M | 0.0% | 2.8% | -45.7% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.1M | $121.5M | 0.0% | 2.4% | +31.9% |
| 12 | Amundi | 1.0M | $120.0M | 0.0% | 2.4% | +49.0% |
| 13 | Capital World Investors | 991,818 | $113.5M | 0.0% | 2.2% | +3.2% |
| 14 | CITADEL ADVISORS LLC | 983,646 | $112.5M | 0.0% | 2.2% | +65.4% |
| 15 | Conestoga Capital Advisors, LLC | 960,286 | $109.9M | 2.4% | 2.2% | -13.2% |
| 16 | Impax Asset Management Group plc | 836,410 | $95.7M | 0.6% | 1.9% | +1.5% |
| 17 | STATE STREET CORP | 793,748 | $90.8M | 0.0% | 1.8% | +3.0% |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 756,823 | $86.6M | 0.0% | 1.7% | -3.7% |
| 19 | NEUBERGER BERMAN GROUP LLC | 711,289 | $81.4M | 0.1% | 1.6% | +32.8% |
| 20 | Qube Research & Technologies Ltd | 630,595 | $72.1M | 0.1% | 1.4% | +340.2% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 586,976 | $67.2M | 0.0% | 1.3% | -0.2% |
| 22 | Jupiter Topco LLCNEW | 520,229 | $59.5M | 0.0% | 1.2% | new |
| 23 | Stephens Investment Management Group LLC | 502,344 | $57.5M | 0.6% | 1.1% | +15.2% |
| 24 | GENEVA CAPITAL MANAGEMENT LLC | 481,402 | $55.1M | 1.3% | 1.1% | -23.3% |
| 25 | GW&K Investment Management, LLC | 471,553 | $54.0M | 0.4% | 1.1% | -6.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.