13F Insight
DOSSIER · 13F Holders · Q1 2026Consumer Cyclical · Wholesale-Professional & Commercial Equipment & SuppliesMost-boughtAI cap-ex
SITE

SITEONE LANDSCAPE SUPPLY INC

440 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·440 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.7%
vs prior quarter
13F value held
$3.4B
46.0% inst. owned
of float
Holders
440
-69 QoQ
filers reporting
Activity
+46 / −28
+849 added · −830 reduced
this quarter
Concentration
9.82%
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

440 institutions reported SITE in Q1 2026. KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC leads at 9.8% of the visible book. -69 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$331M2.5M0.97%Q1 202602
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$293M2.3M0.13%Q1 202603
WASATCH ADVISORS LP
CIK 0000814133
$282M2.1M1.88%Q1 202604
BlackRock, Inc.
CIK 0002012383
$275M2.1M0.00%Q1 202605
BAMCO INC /NY/
CIK 0001017918
$274M2.1M0.83%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$267M2.0M0.01%Q1 202607
Vanguard Portfolio Management
CIK 0002100121
$235M1.8M0.01%Q1 202608
Conestoga Capital Advisors, LLC
CIK 0001163744
$147M1.1M2.94%Q1 202609
59 North Capital Management, LP
CIK 0001805589
$140M1.0M4.17%Q1 202610
Capital World Investors
CIK 0001422849
$128M961K0.02%Q1 202611
Artisan Partners Limited Partnership
CIK 0001466153
$111M837K0.18%Q1 202612
Impax Asset Management Group plc
CIK 0001749768
$110M824K0.77%Q1 202613
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$107M805K0.02%Q1 202614
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$105M786K0.01%Q1 202615
STATE STREET CORP
CIK 0000093751
$103M771K0.00%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$100M804K0.01%Q4 202517
UBS Group AG
CIK 0001610520
$96M722K0.01%Q1 202618
Amundi
CIK 0001330387
$94M704K0.03%Q1 202619
AMERIPRISE FINANCIAL INC
CIK 0000820027
$89M671K0.02%Q1 202620
GENEVA CAPITAL MANAGEMENT LLC
CIK 0001009232
$83M627K1.77%Q1 2026
Page 1 of 22
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