| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | 10% | $598,973,194 | 4,650,413 | T. Rowe Price Associates, Inc. | 30 Sep 2025 | |||
| BlackRock, Inc. | 4.6% | $234,055,382 | 2,056,003 | BlackRock, Inc. | 31 Dec 2024 |
As of 30 Sep 2025, 389 institutional investors reported holding 48,302,528 shares of SiteOne Landscape Supply, Inc. - COMMON STOCK (SITE). This represents 108% of the company’s total 44,715,510 outstanding shares.
The largest institutional shareholders of SiteOne Landscape Supply, Inc. - COMMON STOCK (SITE) together control 75% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | 10% | 4,650,019 | -22% | 0.06% | $598,924,000 |
| VANGUARD GROUP INC | 9.1% | 4,061,856 | -1.3% | 0.01% | $523,167,054 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 6.6% | 2,936,291 | -2.1% | 0.92% | $378,194,281 |
| WASATCH ADVISORS LP | 4.9% | 2,177,446 | +11% | 1.5% | $280,455,045 |
| T. Rowe Price Investment Management, Inc. | 4.4% | 1,986,249 | +2.6% | 0.16% | $255,829,000 |
| BAMCO INC /NY/ | 4.4% | 1,966,876 | +1.3% | 0.67% | $253,333,629 |
| BlackRock, Inc. | 4.4% | 1,950,987 | +1.7% | 0% | $251,287,125 |
| 59 North Capital Management, LP | 3.7% | 1,664,731 | 6.7% | $214,417,353 | |
| Conestoga Capital Advisors, LLC | 2.6% | 1,146,082 | -1.2% | 2.4% | $147,615,362 |
| CITADEL ADVISORS LLC | 2.5% | 1,112,920 | +149% | 0.11% | $143,344,096 |
| Capital World Investors | 2.3% | 1,016,671 | +3.3% | 0.02% | $130,947,225 |
| Impax Asset Management Group plc | 2.1% | 920,661 | -8.9% | 0.69% | $118,581,137 |
| STATE STREET CORP | 1.7% | 764,983 | -1.6% | 0% | $98,529,810 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 760,841 | +2.1% | 0.01% | $98,015,744 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.7% | 760,190 | +0% | 1.7% | $97,912,434 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 732,391 | +4.4% | 0.02% | $94,327,350 |
| NEUBERGER BERMAN GROUP LLC | 1.4% | 632,144 | -7.7% | 0.06% | $81,420,148 |
| AMERIPRISE FINANCIAL INC | 1.3% | 569,730 | -8.4% | 0.02% | $73,381,358 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.3% | 560,012 | +0.91% | 0.01% | $72,129,546 |
| Artisan Partners Limited Partnership | 1.2% | 538,556 | +20% | 0.1% | $69,366,013 |
| GW&K Investment Management, LLC | 1.2% | 525,360 | -11% | 0.6% | $67,667,000 |
| Cartenna Capital, LP | 1.1% | 495,000 | 3.3% | $63,756,000 | |
| BROWN ADVISORY INC | 1.1% | 481,865 | -3.6% | 0.08% | $62,064,207 |
| UBS Group AG | 1.1% | 473,217 | +66% | 0.01% | $60,950,349 |
| Amundi | 1% | 467,041 | 0.02% | $59,762,686 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 434,175 | $54,269,781 | -$488,695 | $124.56 | 27 |
| 2025 Q3 | 48,302,528 | $6,219,047,805 | +$203,780,983 | $128.80 | 389 |
| 2025 Q2 | 46,833,632 | $5,665,040,799 | -$124,857,800 | $120.94 | 390 |
| 2025 Q1 | 47,584,827 | $5,778,435,596 | +$163,127,160 | $121.44 | 382 |
| 2024 Q4 | 45,987,657 | $6,059,240,005 | -$114,938,132 | $131.77 | 369 |
| 2024 Q3 | 46,766,845 | $7,057,507,170 | +$259,988,889 | $150.91 | 365 |
| 2024 Q2 | 46,299,162 | $5,621,617,932 | -$64,183,530 | $121.41 | 368 |
| 2024 Q1 | 46,287,417 | $8,081,558,696 | -$63,117,570 | $174.55 | 375 |
| 2023 Q4 | 727,603 | $118,235,488 | -$387,103 | $162.50 | 3 |
| 2023 Q3 | 46,631,014 | $7,622,015,523 | +$63,517,520 | $163.45 | 363 |
| 2023 Q2 | 46,139,364 | $7,718,939,027 | -$162,229,994 | $167.36 | 334 |
| 2023 Q1 | 47,207,561 | $6,459,445,692 | +$115,704,974 | $136.87 | 328 |
| 2022 Q4 | 46,542,826 | $5,463,381,083 | +$85,468,808 | $117.32 | 321 |
| 2022 Q3 | 45,828,242 | $4,771,727,969 | -$17,099,153 | $104.14 | 309 |
| 2022 Q2 | 45,613,442 | $5,420,997,869 | +$26,646,070 | $118.87 | 297 |
| 2022 Q1 | 45,195,818 | $7,312,751,665 | +$15,386,974 | $161.69 | 323 |
| 2021 Q4 | 44,986,453 | $10,895,866,505 | -$336,016,013 | $242.28 | 343 |
| 2021 Q3 | 45,670,889 | $9,114,708,993 | -$57,279,967 | $199.47 | 300 |
| 2021 Q2 | 45,512,372 | $7,706,151,899 | -$140,493,907 | $169.26 | 299 |
| 2021 Q1 | 47,531,869 | $8,113,473,937 | -$48,196,599 | $170.74 | 280 |
| 2020 Q4 | 47,506,611 | $7,537,251,952 | +$23,954,113 | $158.63 | 275 |
| 2020 Q3 | 47,406,213 | $5,779,390,115 | +$157,638,958 | $121.95 | 266 |
| 2020 Q2 | 46,188,924 | $5,263,198,168 | -$131,406,238 | $113.97 | 243 |
| 2020 Q1 | 47,493,705 | $3,496,739,142 | -$153,075,704 | $73.62 | 211 |
| 2019 Q4 | 48,682,145 | $4,413,357,881 | -$119,171,000 | $90.65 | 206 |
| 2019 Q3 | 50,159,336 | $3,712,966,737 | -$13,871,842 | $74.02 | 187 |
| 2019 Q2 | 50,502,663 | $3,499,578,998 | +$234,186,660 | $69.30 | 195 |
| 2019 Q1 | 47,578,304 | $2,719,129,570 | +$7,652,423 | $57.15 | 181 |
| 2018 Q4 | 47,362,017 | $2,617,739,358 | +$48,839,557 | $55.27 | 197 |
| 2018 Q3 | 46,180,289 | $3,478,394,297 | +$526,849 | $75.34 | 217 |
| 2018 Q2 | 46,109,256 | $3,871,741,558 | +$217,248,504 | $83.97 | 199 |
| 2018 Q1 | 43,806,494 | $3,374,753,244 | +$32,948,599 | $77.04 | 183 |
| 2017 Q4 | 43,470,288 | $3,334,079,642 | -$4,572,050 | $76.70 | 182 |
| 2017 Q3 | 43,623,698 | $2,534,467,897 | +$145,735,403 | $58.10 | 159 |
| 2017 Q2 | 40,989,954 | $2,135,338,931 | +$355,712,837 | $52.06 | 142 |
| 2017 Q1 | 34,630,595 | $1,676,465,346 | +$112,514,628 | $48.41 | 128 |
| 2016 Q4 | 34,275,309 | $1,190,369,410 | +$138,105,712 | $34.73 | 123 |
| 2016 Q3 | 30,291,087 | $1,088,331,792 | +$673,827,572 | $35.93 | 101 |
| 2016 Q2 | 11,640,764 | $394,755,368 | +$392,870,390 | $33.99 | 87 |