DOSSIER · 13F Holders · Q1 2026Consumer Cyclical · Wholesale-Professional & Commercial Equipment & Supplies
SITE

SITEONE LANDSCAPE SUPPLY INC

433 institutions still hold SITEONE LANDSCAPE SUPPLY INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 82982L103·Wholesale-Professional & Commercial Equipment & Supplies·433 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3.8B
visible holders
Holders
433
filers reporting
Concentration
15.61%
PRICE T ROWE ASSOCIATES INC /MD/ #1
top holder share
AI Holders Summary · Q1 2026

433 institutions reported SITE in Q1 2026. PRICE T ROWE ASSOCIATES INC /MD/ leads at 15.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$601M4.5M0.07%Q1 2026
02
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$331M2.5M0.97%Q1 2026
03
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$293M2.3M0.13%Q1 2026
04
BlackRock, Inc.
CIK 0002012383
$275M2.1M0.00%Q1 2026
05
BAMCO INC /NY/
CIK 0001017918
$274M2.1M0.83%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$267M2.0M0.01%Q1 2026
07
Vanguard Portfolio Management
CIK 0002100121· Index
$235M1.8M0.01%Q1 2026
08
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$225M1.7M0.16%Q1 2026
09
WASATCH ADVISORS LP
CIK 0000814133
$145M1.3M0.95%Q2 2026
10
59 North Capital Management, LP
CIK 0001805589
$140M1.0M4.17%Q1 2026
11
Capital World Investors
CIK 0001422849
$128M961K0.02%Q1 2026
12
Artisan Partners Limited Partnership
CIK 0001466153
$111M837K0.18%Q1 2026
13
Conestoga Capital Advisors, LLC
CIK 0001163744
$110M960K2.39%Q2 2026
14
Impax Asset Management Group plc
CIK 0001749768
$110M824K0.77%Q1 2026
15
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$107M805K0.02%Q1 2026
16
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$105M786K0.01%Q1 2026
17
STATE STREET CORP
CIK 0000093751
$103M771K0.00%Q1 2026
18
CITADEL ADVISORS LLC
CIK 0001423053
$100M804K0.01%Q4 2025
19
UBS Group AG
CIK 0001610520
$96M722K0.01%Q1 2026
20
Amundi
CIK 0001330387
$94M704K0.03%Q1 2026
Page 1 of 22
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Insiders at SITEONE LANDSCAPE SUPPLY INC
Jackson Travis RyanDiaz Fred MIsbell Jeri LSansone Judith SWyszomierski Jack LDouglas William W IiiDunbar Webster RoyDrake Larisa