SITE SiteOne Landscape Supply, Inc.
SiteOne Landscape Supply, Inc. (SITE) Institutional Ownership
What the institutions did with SITE last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.5M | 9.5% |
| 59 North Capital Management, LP | 2.1M | 4.3% |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.0M | 4.3% |
| BAMCO INC /NY/ | 2.0M | 4.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | 4.2% |
| BlackRock, Inc. | 1.9M | 4.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | 3.6% |
| T. Rowe Price Investment Management, Inc. | 1.7M | 3.5% |
| WASATCH ADVISORS LP | 1.3M | 2.7% |
| AQR CAPITAL MANAGEMENT LLC | 1.2M | 2.6% |
| DIMENSIONAL FUND ADVISORS LP | 1.1M | 2.2% |
| Amundi | 1.0M | 2.2% |
| Capital World Investors | 991.8K | 2.1% |
| CITADEL ADVISORS LLC | 983.6K | 2.1% |
| Conestoga Capital Advisors, LLC | 960.3K | 2.0% |
| Impax Asset Management Group plc | 836.4K | 1.8% |
| STATE STREET CORP | 793.7K | 1.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 756.8K | 1.6% |
| NEUBERGER BERMAN GROUP LLC | 711.3K | 1.5% |
| Qube Research & Technologies Ltd | 630.6K | 1.3% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 587.0K | 1.2% |
| Jupiter Topco LLC | 520.2K | 1.1% |
| Stephens Investment Management Group LLC | 502.3K | 1.1% |
| GENEVA CAPITAL MANAGEMENT LLC | 481.4K | 1.0% |
| GW&K Investment Management, LLC | 471.6K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC | Reduced | 2.3M | 1.2M | -1.0M |
| 59 North Capital Management, LP | Increased | 1.0M | 2.1M | +1.0M |
| WASATCH ADVISORS LP | Reduced | 2.1M | 1.3M | -851.8K |
| Artisan Partners Limited Partnership | Reduced | 837.0K | 185.9K | -651.0K |
| Qube Research & Technologies Ltd | Increased | 143.2K | 630.6K | +487.4K |
| Balyasny Asset Management L.P. | New | 0 | 456.9K | +456.9K |
| Schonfeld Strategic Advisors LLC | Reduced | 532.6K | 91.2K | -441.3K |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Reduced | 2.5M | 2.0M | -438.6K |
| Interval Partners, LP | Sold Out | 432.2K | 0 | -432.2K |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Increased | 5.9K | 403.4K | +397.5K |
| CITADEL ADVISORS LLC | Increased | 594.7K | 983.6K | +388.9K |
| Amundi | Increased | 703.8K | 1.0M | +345.0K |
| Driehaus Capital Management LLC | Sold Out | 344.8K | 0 | -344.8K |
| UBS Group AG | Reduced | 722.4K | 383.7K | -338.7K |
| Southpoint Capital Advisors LP | New | 0 | 300.0K | +300.0K |
| AMERIPRISE FINANCIAL INC | Reduced | 670.5K | 403.0K | -267.5K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 805.3K | 1.1M | +257.0K |
| ARGENT CAPITAL MANAGEMENT LLC | Sold Out | 239.8K | 0 | -239.8K |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | 219.6K | 3.3K | -216.3K |
| LOOMIS SAYLES & CO L P | Sold Out | 213.1K | 0 | -213.1K |
| MENORA MIVTACHIM HOLDINGS LTD. | Sold Out | 198.7K | 0 | -198.7K |
| NEUBERGER BERMAN GROUP LLC | Increased | 535.7K | 711.3K | +175.6K |
| KBC Group NV | Increased | 8.2K | 175.2K | +166.9K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 372.7K | 215.8K | -156.9K |
| BANK OF AMERICA CORP /DE/ | Increased | 280.2K | 428.5K | +148.3K |
| JANE STREET GROUP, LLC | Reduced | 277.1K | 129.2K | -147.9K |
| Conestoga Capital Advisors, LLC | Reduced | 1.1M | 960.3K | -146.4K |
| GENEVA CAPITAL MANAGEMENT LLC | Reduced | 627.3K | 481.4K | -145.9K |
| Harvey Partners, LLC | New | 0 | 144.1K | +144.1K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | New | 0 | 143.8K | +143.8K |
| BlackRock, Inc. | Reduced | 2.1M | 1.9M | -131.1K |
| SummitTX Capital, L.P. | New | 0 | 123.6K | +123.6K |
| Point72 Asset Management, L.P. | New | 0 | 120.0K | +120.0K |
| Man Group plc | New | 0 | 115.8K | +115.8K |
| Premier Fund Managers Ltd | Reduced | 205.4K | 106.4K | -99.0K |
| IEQ CAPITAL, LLC | Reduced | 108.9K | 17.4K | -91.5K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 6.1K | 96.9K | +90.8K |
| HRT FINANCIAL LP | New | 0 | 90.5K | +90.5K |
| FRED ALGER MANAGEMENT, LLC | Reduced | 176.9K | 86.4K | -90.5K |
| NEW YORK STATE COMMON RETIREMENT FUND | Reduced | 115.8K | 30.8K | -85.0K |
| USS Investment Management Ltd | New | 0 | 84.5K | +84.5K |
| SEI INVESTMENTS CO | Reduced | 254.9K | 171.7K | -83.2K |
| SEB Asset Management AB | Increased | 87.6K | 170.0K | +82.4K |
| CITIGROUP INC | Reduced | 203.2K | 120.8K | -82.3K |
| SCOPUS ASSET MANAGEMENT, L.P. | Sold Out | 80.0K | 0 | -80.0K |
| 12th Street Asset Management Company, LLC | New | 0 | 75.5K | +75.5K |
| Pembroke Management, LTD | Increased | 197.5K | 271.9K | +74.5K |
| RENAISSANCE TECHNOLOGIES LLC | New | 0 | 74.1K | +74.1K |
| Stephens Investment Management Group LLC | Increased | 436.0K | 502.3K | +66.3K |
| ROYAL BANK OF CANADA | Reduced | 187.6K | 123.0K | -64.6K |
| Kinetic Partners Management, LP | Increased | 84.1K | 146.1K | +62.0K |
| Squarepoint Ops LLC | New | 0 | 61.0K | +61.0K |
| Pier Capital, LLC | Sold Out | 58.4K | 0 | -58.4K |
| TUDOR INVESTMENT CORP ET AL | New | 0 | 57.5K | +57.5K |
| SG Americas Securities, LLC | Reduced | 58.3K | 3.8K | -54.5K |
| Gotham Asset Management, LLC | Sold Out | 52.8K | 0 | -52.8K |
| AMERICAN CENTURY COMPANIES INC | Increased | 392.9K | 440.4K | +47.5K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | Reduced | 73.7K | 26.6K | -47.2K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | New | 0 | 46.0K | +46.0K |
| Handelsbanken Fonder AB | Reduced | 252.5K | 206.7K | -45.8K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.