| 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% | $240,655,151 | 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 | 434,457 | $54,304,907 | -$489,698 | $124.56 | 30 |
| 2025 Q3 | 48,302,528 | $6,219,047,805 | +$203,780,942 | $128.80 | 389 |
| 2025 Q2 | 46,833,632 | $5,665,040,799 | -$124,857,797 | $120.94 | 390 |
| 2025 Q1 | 47,737,731 | $5,796,975,949 | +$160,883,924 | $121.44 | 384 |
| 2024 Q4 | 46,185,671 | $6,085,204,108 | -$113,252,852 | $131.77 | 373 |
| 2024 Q3 | 46,782,474 | $7,059,866,151 | +$261,879,940 | $150.91 | 366 |
| 2024 Q2 | 46,300,976 | $5,621,838,573 | -$71,670,364 | $121.41 | 368 |
| 2024 Q1 | 46,350,035 | $8,092,488,437 | -$45,097,062 | $174.55 | 375 |
| 2023 Q4 | 46,711,112 | $7,591,090,870 | -$86,072,911 | $162.50 | 354 |
| 2023 Q3 | 47,171,892 | $7,710,421,801 | +$72,835,856 | $163.45 | 367 |
| 2023 Q2 | 46,709,325 | $7,814,327,726 | -$168,768,707 | $167.36 | 340 |
| 2023 Q1 | 47,802,340 | $6,540,852,931 | +$113,727,048 | $136.87 | 332 |
| 2022 Q4 | 47,173,313 | $5,537,349,377 | +$74,038,453 | $117.32 | 326 |
| 2022 Q3 | 46,593,257 | $4,851,396,785 | -$68,285,508 | $104.14 | 317 |
| 2022 Q2 | 46,036,064 | $5,471,694,735 | +$32,218,808 | $118.87 | 303 |
| 2022 Q1 | 45,599,240 | $7,378,627,599 | +$21,690,770 | $161.69 | 330 |
| 2021 Q4 | 45,191,214 | $10,946,602,478 | -$339,411,255 | $242.28 | 345 |
| 2021 Q3 | 45,863,516 | $9,153,615,245 | -$54,958,124 | $199.47 | 299 |
| 2021 Q2 | 46,243,534 | $7,829,903,888 | -$185,406,127 | $169.26 | 306 |
| 2021 Q1 | 47,603,631 | $8,126,090,000 | -$45,279,406 | $170.74 | 284 |
| 2020 Q4 | 47,682,575 | $7,565,166,990 | +$26,706,368 | $158.63 | 281 |
| 2020 Q3 | 47,574,529 | $5,801,104,248 | +$160,379,838 | $121.95 | 271 |
| 2020 Q2 | 46,250,130 | $5,270,190,499 | -$130,476,372 | $113.97 | 245 |
| 2020 Q1 | 47,587,996 | $3,503,723,011 | -$153,017,288 | $73.62 | 216 |
| 2019 Q4 | 48,792,337 | $4,423,341,920 | -$116,640,735 | $90.65 | 209 |
| 2019 Q3 | 50,245,659 | $3,719,356,988 | -$16,958,677 | $74.02 | 191 |
| 2019 Q2 | 50,548,353 | $3,502,738,666 | +$214,405,313 | $69.30 | 196 |
| 2019 Q1 | 47,696,531 | $2,725,884,185 | +$9,639,623 | $57.15 | 186 |
| 2018 Q4 | 47,566,999 | $2,629,060,099 | +$49,632,509 | $55.27 | 201 |
| 2018 Q3 | 46,209,590 | $3,480,604,590 | -$623,917 | $75.34 | 218 |
| 2018 Q2 | 46,157,334 | $3,875,783,568 | +$196,217,816 | $83.97 | 201 |
| 2018 Q1 | 43,854,364 | $3,378,443,296 | +$33,173,630 | $77.04 | 184 |
| 2017 Q4 | 43,518,158 | $3,337,742,647 | -$4,596,743 | $76.70 | 183 |
| 2017 Q3 | 43,683,934 | $2,537,973,274 | +$145,646,548 | $58.10 | 161 |
| 2017 Q2 | 41,043,759 | $2,138,140,404 | +$358,190,694 | $52.06 | 144 |
| 2017 Q1 | 34,630,595 | $1,676,465,346 | +$112,518,106 | $48.41 | 128 |
| 2016 Q4 | 34,281,943 | $1,190,599,410 | +$137,259,700 | $34.73 | 124 |
| 2016 Q3 | 30,291,087 | $1,088,331,792 | +$673,749,973 | $35.93 | 101 |
| 2016 Q2 | 11,641,394 | $394,776,368 | +$392,891,368 | $33.99 | 88 |