Siteone Landscape SupplySITE
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 427 institutions reported holding Siteone Landscape Supply Inc. (SITE) in their 13F filings, up 17 from Q4 2025. 71 opened new positions and 55 sold out. The largest holders were T. Rowe Price Associates Inc. ($600.8M), Kayne Anderson Rudnick Investment Management LLC ($331.0M) and AQR Capital Management ($292.8M). 7 famous investors held it, including Ron Baron (0.8% of Baron Capital (BAMCO)'s portfolio), Cliff Asness (0.1% of AQR Capital Management's portfolio) and Ken Griffin (0.1% of Citadel Advisors's portfolio).
- Company
- Siteone Landscape Supply Inc.
- CUSIP
- 82982L103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $175.8M |
| Exits | 55 | $342.9M |
All 13F filers, Q4 2025 → Q1 2026: 6,524,622 shares bought and 5,940,124 shares sold, net +584,498 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 427 holders
| T. Rowe Price Associates Inc. | 0.07% | Add +1.1% | 4,513,643 | $600.8M |
| Kayne Anderson Rudnick Investment Management LLC | 0.97% | Reduce -6.8% | 2,486,718 | $331.0M |
| AQR Capital Management | 0.13% | Add +228.7% | 2,272,825 | $292.8M |
| Wasatch Advisors LP | 1.88% | Add +1.6% | 2,121,524 | $282.4M |
| BlackRock, Inc. | 0.00% | Add +4.2% | 2,065,846 | $275.0M |
| Baron Capital (BAMCO) | 0.83% | Add +1.5% | 2,059,076 | $274.1M |
| Vanguard Capital Management LLC | 0.01% | — | 2,005,149 | $266.9M |
| Vanguard Portfolio Management LLC | 0.01% | — | 1,767,706 | $235.3M |
| T. Rowe Price Investment Management, Inc. | 0.16% | Add +0.1% | 1,693,852 | $225.5M |
| Conestoga Capital Advisors, LLC | 2.94% | Add +3.0% | 1,106,701 | $147.3M |
| 59 North Capital Management, LP | 4.17% | Reduce -27.9% | 1,049,440 | $139.7M |
| Capital World Investors | 0.02% | Reduce -31.5% | 960,952 | $127.9M |
| Artisan Partners Limited Partnership | 0.18% | Add +88.8% | 836,975 | $111.4M |
| Impax Asset Management Group plc | 0.77% | Reduce -10.0% | 824,430 | $109.7M |
| Dimensional Fund Advisors LP | 0.02% | Add +3.7% | 805,336 | $107.2M |
| Geode Capital Management, LLC | 0.01% | Add +2.5% | 785,645 | $104.6M |
| State Street Corp. | 0.00% | Add +1.7% | 770,869 | $102.6M |
| UBS Group AG | 0.02% | Add +222.8% | 722,378 | $96.2M |
| Amundi | 0.03% | Reduce -0.8% | 703,767 | $93.6M |
| Ameriprise Financial Inc. | 0.02% | Add +19.7% | 670,506 | $89.3M |
| Geneva Capital Management LLC | 1.77% | Reduce -7.5% | 627,284 | $83.5M |
| Citadel Advisors | 0.06% | Add +6.7% | 594,728 | $79.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +4.7% | 588,335 | $78.3M |
| Neuberger Berman Group LLC | 0.05% | Reduce -10.6% | 535,726 | $71.3M |
| Schonfeld Strategic Advisors LLC | 0.58% | Add +480.4% | 532,554 | $70.9M |
| GW&K Investment Management, LLC | 0.59% | Reduce -0.7% | 506,764 | $67.5M |
| Stephens Investment Management Group LLC | 0.80% | Reduce -0.4% | 435,998 | $58.0M |
| Interval Partners, LP | 1.98% | Reduce -0.6% | 432,243 | $57.5M |
| Janus Henderson Group PLC | 0.03% | Add +3.6% | 410,854 | $54.7M |
| American Century Companies Inc. | 0.03% | Reduce -0.3% | 392,934 | $52.3M |
| Millennium Management | 0.04% | Reduce -4.4% | 372,686 | $49.6M |
| Wells Fargo & Company | 0.01% | Reduce -7.8% | 367,201 | $48.9M |
| Brown Advisory Inc. | 0.08% | Reduce -11.9% | 352,669 | $46.9M |
| Capital International Investors | 0.01% | New | 350,000 | $46.6M |
| Driehaus Capital Management LLC | 0.34% | Add +41.1% | 344,819 | $45.9M |
| ACK Asset Management LLC | 5.48% | No change | 330,000 | $43.9M |
| Bank of America Corp. | 0.00% | Reduce -27.5% | 280,204 | $37.3M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 278,273 | $37.0M |
| Jane Street Group, LLC | 0.04% | Add +46.5% | 277,119 | $36.9M |
| Sei Investments Co. | 0.03% | Add +15.2% | 254,882 | $33.9M |
| Handelsbanken Fonder AB | 0.11% | Reduce -31.9% | 252,539 | $33.6M |
| Northern Trust Corp. | 0.00% | Add +3.8% | 244,593 | $32.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +144.7% | 244,041 | $32.5M |
| Gilder Gagnon Howe & Co. LLC | 0.38% | Reduce -15.6% | 240,400 | $32.0M |
| Argent Capital Management LLC | 1.01% | New | 239,776 | $31.9M |
| Allspring Global Investments Holdings, LLC | 0.05% | Add +12.3% | 245,784 | $31.6M |
| Raymond James Financial Inc. | 0.01% | Reduce -6.5% | 236,619 | $31.5M |
| DF Dent & Co. Inc. | 0.60% | Reduce -33.8% | 236,148 | $31.4M |
| Envestnet Asset Management Inc. | 0.01% | Add +2.8% | 231,537 | $30.8M |
| JPMorgan Chase & Co. | 0.00% | Add +29.4% | 225,073 | $29.3M |
| Voya Investment Management LLC | 0.04% | Reduce -14.5% | 219,644 | $29.2M |
| Morgan Stanley | 0.00% | Reduce -11.4% | 217,879 | $29.0M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -36.1% | 213,098 | $28.4M |
| Citigroup Inc. | 0.02% | Add +4.5% | 203,180 | $27.0M |
| BLI - Banque de Luxembourg Investments | 0.81% | No change | 216,913 | $27.0M |
| Premier Fund Managers Ltd | 1.89% | Reduce -26.0% | 205,358 | $26.7M |
| Menora Mivtachim Holdings LTD. | 0.13% | New | 198,749 | $26.5M |
| Pembroke Management, LTD | 3.80% | Reduce -24.7% | 197,474 | $26.3M |
| Royal Bank of Canada | 0.00% | Add +24.2% | 187,574 | $25.0M |
| Fisher Asset Management | 0.01% | Add +5.3% | 180,694 | $24.1M |
| Nuveen, LLC | 0.01% | Add +108.5% | 177,769 | $23.7M |
| Fred Alger Management, LLC | 0.10% | Reduce -29.9% | 176,855 | $23.5M |
| Bank of New York Mellon Corp | 0.00% | Add +2.2% | 162,788 | $21.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +5.6% | 152,819 | $20.3M |
| Fenimore Asset Management Inc | 0.44% | Reduce -2.5% | 148,154 | $19.7M |
| Fifth Third Bancorp | 0.03% | Add +28557.5% | 143,574 | $19.1M |
| Qube Research & Technologies Ltd | 0.03% | Add +107.9% | 143,241 | $19.1M |
| Rivermont Capital Management LP | 3.92% | New | 139,702 | $18.6M |
| BNP Paribas Financial Markets | 0.01% | Add +33.4% | 135,761 | $18.1M |
| Natixis Advisors, LLC | 0.02% | Add +2.3% | 128,468 | $17.1M |
| Jones Financial Companies LLLP | 0.01% | Add +9386.6% | 127,500 | $16.6M |
| WCM Investment Management, LLC | 0.04% | Reduce -4.3% | 119,082 | $15.5M |
| New York State Common Retirement Fund | 0.02% | Add +12.4% | 115,811 | $15.4M |
| Ieq Capital, LLC | 0.07% | Add +544.0% | 108,884 | $14.5M |
| Zuckerman Investment Group, LLC | 1.26% | Add +1.9% | 100,081 | $13.3M |
| Rockefeller Capital Management L.P. | 0.02% | Add +22.6% | 99,328 | $13.2M |
| Swiss National Bank | 0.01% | No change | 88,000 | $11.7M |
| SEB Asset Management AB | 0.05% | — | 87,623 | $11.7M |
| California Public Employees Retirement System | 0.01% | Add +8.1% | 85,921 | $11.4M |
| Cerity Partners LLC | 0.02% | Add +155.7% | 84,157 | $11.2M |
| Kinetic Partners Management, LP | 0.63% | Reduce -73.7% | 84,101 | $11.2M |
| Mariner, LLC | 0.01% | Add +369.8% | 81,540 | $10.9M |
| Scopus Asset Management, L.P. | 0.33% | New | 80,000 | $10.6M |
| Stifel Financial Corp. | 0.01% | Reduce -0.4% | 78,436 | $10.4M |
| Barclays PLC | 0.00% | Add +21.1% | 77,036 | $10.3M |
| Royce & Associates LP | 0.10% | Add +0.2% | 76,090 | $10.1M |
| Canada Pension Plan Investment Board | 0.01% | Add +112.6% | 75,700 | $10.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.02% | Add +8.3% | 73,728 | $9.8M |
| Summit Creek Advisors LLC | 1.74% | Reduce -13.2% | 63,729 | $8.5M |
| State of Wisconsin Investment Board | 0.02% | Reduce -6.0% | 63,418 | $8.4M |
| Cwm, LLC | 0.02% | Add +199.8% | 63,064 | $8.4M |
| Pier Capital, LLC | 1.28% | Add +92.1% | 58,412 | $7.8M |
| SG Americas Securities, LLC | 0.01% | Reduce -44.2% | 58,315 | $7.8M |
| Public Employees Retirement System of Ohio | 0.02% | Add +13.9% | 56,723 | $7.6M |
| Crown Oak Advisors, LLC | 3.68% | Add +0.7% | 55,128 | $7.3M |
| Gotham Asset Management | 0.02% | Add +100.9% | 52,818 | $7.0M |
| California State Teachers Retirement System | 0.01% | Add +22.6% | 52,009 | $6.9M |
| EULAV Asset Management | 0.22% | No change | 51,100 | $6.8M |
| McCollum Christoferson Group LLC | 2.02% | Add +52.3% | 82,051 | $6.7M |
| Nicholas Company, Inc. | 0.13% | Reduce -0.5% | 47,845 | $6.4M |
"% of holder's portfolio" is SITE's weight in each manager's 13F, not the share of Siteone Landscape Supply Inc. the manager owns.