Security Snapshot

SiteOne Landscape Supply, Inc. - Common Stock (SITE) Institutional Ownership

CUSIP: 82982L103

13F Institutional Holders and Ownership History from Q2 2016 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

396

Shares (Excl. Options)

47.21MFull value: 47,207,556 · shares · 30 Jun 2026

Price

$114.41

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock
Symbol
SITE on NYSE
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
47,207,556
Latest holder snapshot 5 signals
Total 13F value
$5,396,712,615
Portfolio coverage rank
0.01%
Share change
-2,009,934
Value change
-$265,989,693
Number of holders
396
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
44,525,065
SEC-reported price per share
$90.31
Insider filing price
$90.31
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • SITE - SiteOne Landscape Supply, Inc. - Common Stock is tracked under CUSIP 82982L103.
  • 396 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 427 to 396 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $6.53BFull value: $6,526,447,343 · USD · 31 Mar 2026
    to
    $5.4BFull value: $5,396,712,615 · USD · 30 Jun 2026
    .

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 396 institutions filings for Q2 2026.

Open SEC evidence

Security key

82982L103

13F reference period

Q2 2026

13F holders

396

13D/G owners

5

CIK / CUSIP context first

Open Q2 2026 holders SITE full holder history SiteOne Landscape Supply, Inc. SEC filings SiteOne Landscape Supply, Inc. company facts SiteOne Landscape Supply, Inc. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
SITE
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
VANGUARD CAPITAL MANAGEMENT LLC 5.3% $335,225,604 2,345,219 Vanguard Capital Management 31 Mar 2026
BlackRock, Inc. 4.6% $240,655,151 2,056,003 BlackRock, Inc. 31 Dec 2024
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 4.6% -23% $215,731,955 -$65,314,817 2,048,153 -23% Kayne Anderson Rudnick Investment Management, LLC 30 Jun 2026
AQR CAPITAL MANAGEMENT LLC 2.8% -46% $130,038,627 -$109,358,030 1,234,583 -46% AQR Capital Management, LLC 30 Jun 2026
As of 30 Jun 2026, 396 institutional investors reported holding
47.21MFull value: 47,207,556 · shares · 30 Jun 2026
shares of SiteOne Landscape Supply, Inc. - Common Stock (SITE). This represents 106% of the company’s total
44.53MFull value: 44,525,065 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
71%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
PRICE T ROWE ASSOCIATES INC /MD/ 10% 4,474,072 -0.88% 0.05% $511,879,000
59 North Capital Management, LP 4.6% 2,057,212 +96% 5.2% $235,365,625
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 4.6% 2,048,143 -18% 0.73% $234,328,041
BAMCO INC /NY/ 4.6% 2,028,799 -1.5% 0.35% $232,114,894
VANGUARD CAPITAL MANAGEMENT LLC 4.5% 2,004,438 -0.04% 0% $229,327,752
BlackRock, Inc. 4.3% 1,934,754 -6.3% 0% $221,355,207
VANGUARD PORTFOLIO MANAGEMENT LLC 3.9% 1,727,897 -2.3% 0.01% $197,688,696
T. Rowe Price Investment Management, Inc. 3.7% 1,653,067 -2.4% 0.12% $189,128,000
WASATCH ADVISORS LP 2.9% 1,269,677 -40% 0.95% $145,263,746
AQR CAPITAL MANAGEMENT LLC 2.8% 1,234,583 -46% 0.05% $140,470,861
DIMENSIONAL FUND ADVISORS LP 2.4% 1,062,370 +32% 0.02% $121,548,037
Amundi 2.4% 1,048,747 +49% 0.03% $120,043,070
Capital World Investors 2.2% 991,818 +3.2% 0.01% $113,473,897
CITADEL ADVISORS LLC 2.2% 983,646 +65% 0.06% $112,538,939
Conestoga Capital Advisors, LLC 2.2% 960,286 -13% 2.4% $109,866,321
Impax Asset Management Group plc 1.9% 836,410 +1.5% 0.62% $95,693,668
STATE STREET CORP 1.8% 793,748 +3% 0% $90,812,709
GEODE CAPITAL MANAGEMENT, LLC 1.7% 756,823 -3.7% 0% $86,612,853
NEUBERGER BERMAN GROUP LLC 1.6% 711,289 +33% 0.05% $81,378,574
Qube Research & Technologies Ltd 1.4% 630,595 +340% 0.08% $72,146,374
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.3% 586,976 -0.23% 0.01% $67,155,924
Jupiter Topco LLC 1.2% 520,229 0% 0.02% $59,520,941
Stephens Investment Management Group LLC 1.1% 502,344 +15% 0.62% $57,473,177
GENEVA CAPITAL MANAGEMENT LLC 1.1% 481,402 -23% 1.3% $55,077,231
GW&K Investment Management, LLC 1.1% 471,553 -6.9% 0.42% $53,951,000

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
42
Headline period
Q2 2026
Rows shown
1-25 of 42
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 2,509,839 $226,073,574 +$32,080,424 $90.31 68
2026 Q2 47,207,556 $5,396,712,615 -$265,989,693 $114.41 396
2026 Q1 49,182,670 $6,526,447,343 +$69,267,586 $133.11 427
2025 Q4 48,689,266 $6,066,588,426 +$46,323,519 $124.56 408
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
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