Security Snapshot

SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs (SITE) Institutional Ownership

CUSIP: 82982L103

13F Institutional Holders and Ownership History from Q2 2016 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

403

Shares (Excl. Options)

48,683,800

Price

$124.56

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Type / Class
Equity / SiteOne Landscape Supply Ord Shs
Symbol
SITE on NYSE
Shares outstanding
44,470,833
Price per share
$133.11
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
48,683,800
Total reported value
$6,065,907,581
% of total 13F portfolios
0.01%
Share change
+389,419
Value change
+$46,309,320
Number of holders
403
Price from insider filings
$133.11
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • SITE - SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs is tracked under CUSIP 82982L103.
  • 403 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 403 to 51 between Q4 2025 and Q1 2026.
  • Reported value moved from $6,065,907,581 to $313,787,163.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 403 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 82982L103?
CUSIP 82982L103 identifies SITE - SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs (SITE) based on Schedule 13D/G filings

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
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 6% $355,464,265 2,668,250 Kayne Anderson Rudnick Investment Management, LLC 31 Dec 2025
BlackRock, Inc. 4.6% $240,655,151 2,056,003 BlackRock, Inc. 31 Dec 2024

As of 31 Dec 2025, 403 institutional investors reported holding 48,683,800 shares of SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs (SITE). This represents 109% of the company’s total 44,470,833 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs (SITE) together control 73% 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% 4,466,791 -3.9% 0.06% $556,385,000
VANGUARD GROUP INC 9% 4,009,546 -1.3% 0.01% $499,429,050
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 6% 2,667,663 -9.1% 0.89% $332,284,103
WASATCH ADVISORS LP 4.7% 2,088,177 -4.1% 1.5% $260,103,327
BAMCO INC /NY/ 4.6% 2,028,366 +3.1% 0.68% $252,653,269
BlackRock, Inc. 4.5% 1,982,243 +1.6% 0% $246,908,157
T. Rowe Price Investment Management, Inc. 3.8% 1,692,217 -15% 0.13% $210,783,000
59 North Capital Management, LP 3.3% 1,456,112 -13% 5.6% $181,373,311
Capital World Investors 3.2% 1,402,337 +38% 0.02% $174,675,097
Conestoga Capital Advisors, LLC 2.4% 1,075,017 -6.2% 2.3% $133,904,118
Impax Asset Management Group plc 2.1% 915,917 -0.52% 0.71% $114,086,622
DIMENSIONAL FUND ADVISORS LP 1.7% 776,378 +6% 0.02% $96,712,254
GEODE CAPITAL MANAGEMENT, LLC 1.7% 766,520 +0.75% 0.01% $95,499,272
STATE STREET CORP 1.7% 757,807 -0.94% 0% $94,392,440
Amundi 1.6% 709,564 +52% 0.03% $88,395,294
AQR CAPITAL MANAGEMENT LLC 1.6% 691,558 +171% 0.05% $86,140,488
GENEVA CAPITAL MANAGEMENT LLC 1.5% 678,120 -11% 1.6% $84,466,655
Cartenna Capital, LP 1.4% 635,000 +28% 4.2% $79,095,600
NEUBERGER BERMAN GROUP LLC 1.3% 599,242 -5.2% 0.06% $74,641,584
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.3% 561,992 +0.35% 0.01% $70,001,724
AMERIPRISE FINANCIAL INC 1.3% 559,989 -1.7% 0.02% $69,755,676
CITADEL ADVISORS LLC 1.3% 557,668 -50% 0.05% $69,463,126
GW&K Investment Management, LLC 1.1% 510,506 -2.8% 0.55% $63,590,000
Artisan Partners Limited Partnership 1% 443,267 -18% 0.08% $55,213,338
Stephens Investment Management Group LLC 0.98% 437,599 +0.16% 0.71% $54,507,331

Institutional Holders of SiteOne Landscape Supply, Inc. - SiteOne Landscape Supply Ord Shs (SITE) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 2,393,798 $313,787,163 +$8,706,820 $133.11 51
2025 Q4 48,683,800 $6,065,907,581 +$46,309,320 $124.56 403
2025 Q3 48,304,130 $6,219,254,315 +$203,785,063 $128.80 392
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