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

SITEONE LANDSCAPE SUPPLY INC

415 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·415 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3.5B
visible holders
Holders
415
filers reporting
Concentration
17.33%
PRICE T ROWE ASSOCIATES INC /MD/ #1
top holder share
AI Holders Summary · Q1 2026

415 institutions reported SITE in Q1 2026. PRICE T ROWE ASSOCIATES INC /MD/ leads at 17.3% 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
59 North Capital Management, LP
CIK 0001805589
$235M2.1M5.24%Q2 2026
03
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$234M2.0M0.73%Q2 2026
04
BAMCO INC /NY/
CIK 0001017918
$232M2.0M0.35%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$229M2.0M0.00%Q2 2026
06
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$225M1.7M0.16%Q1 2026
07
BlackRock, Inc.
CIK 0002012383
$221M1.9M0.00%Q2 2026
08
Vanguard Portfolio Management
CIK 0002100121· Index
$198M1.7M0.01%Q2 2026
09
WASATCH ADVISORS LP
CIK 0000814133
$145M1.3M0.95%Q2 2026
10
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$140M1.2M0.05%Q2 2026
11
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$122M1.1M0.02%Q2 2026
12
Amundi
CIK 0001330387
$120M1.0M0.03%Q2 2026
13
CITADEL ADVISORS LLC
CIK 0001423053
$114M993K0.01%Q2 2026
14
Capital World Investors
CIK 0001422849
$113M992K0.01%Q2 2026
15
Conestoga Capital Advisors, LLC
CIK 0001163744
$110M960K2.39%Q2 2026
16
Impax Asset Management Group plc
CIK 0001749768
$96M836K0.62%Q2 2026
17
STATE STREET CORP
CIK 0000093751
$91M794K0.00%Q2 2026
18
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$87M757K0.00%Q2 2026
19
Neuberger Berman Group LLC
CIK 0001465109
$81M711K0.05%Q2 2026
20
Qube Research & Technologies Ltd
CIK 0001729829
$72M631K0.07%Q2 2026
Page 1 of 21
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Insiders at SITEONE LANDSCAPE SUPPLY INC
Black DougJackson Travis RyanDiaz Fred MIsbell Jeri LSansone Judith SWyszomierski Jack LDouglas William W IiiDunbar Webster Roy