SiteOne Landscape Supply

SITE • NYSE

SiteOne Landscape Supply is a industrial - distribution company in the industrials sector on NYSE, led by Doug Black, with a market cap of $6.7B. As of Q3 2025, 108% of shares are held by 386 institutional investors, with PRICE T ROWE ASSOCIATES INC /MD/ as the largest holder at 10.42%.

CEODoug Black

Market Cap$6.7B

Industrial - Distribution

Industrials

Employees7.8K

Websitesiteone.com

Country

United States of America

Overview

Overview of institutional ownership in SITE as of Q3 2025 with a market cap of $5.7B

All Institutions

Institutions: 386
Value Held: $6.2B
Shares Held: 48.2M
Avg Position: $16.1M
Median Position: $750.1K

Hedge Funds

Hedge Funds: 41
Value Held: $767.7M
Shares Held: 6.0M
Avg Position: $18.7M
Median Position: $4.8M

Ownership Breakdown

Institutional (non-HF)

94.55%

$5.4B

Hedge Funds

13.36%

$767.7M

Retail & Other

Based on market cap of $5.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in SITE as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	Robert W Sharps President	$598.9M 0.07% of portfolio	10.42% 4.7M shares	Q4 2016 Held for 9 years	$912.31B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$523.2M 0.01% of portfolio	9.10% 4.1M shares	Q2 2016 Held for 9y 6m	$6.69T
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager	George Robert Aylward CEO	$378.2M 0.92% of portfolio	6.58% 2.9M shares	Q4 2016 Held for 9 years	$41.0B
WASATCH ADVISORS INC Long Only Manager	Michael Kenneth Yeates CEO	$280.5M 1.51% of portfolio	4.88% 2.2M shares	Q2 2016 Held for 9y 6m	$18.6B
T T. Rowe Price Investment Management, Inc. Insurance Manager	John Edward Robison President	$255.8M 0.16% of portfolio	4.45% 2.0M shares	Q3 2022 Held for 3y 3m	$161.58B
BAMCO INC /NY/ Long Only Manager	Ronald Stephen Baron CEO	$253.3M 0.67% of portfolio	4.41% 2.0M shares	Q2 2016 Held for 9y 6m	$37.7B
BlackRock, Inc. Institution	Laurence D. Fink CEO	$251.3M 0.00% of portfolio	4.37% 2.0M shares	Q2 2016 Held for 9y 6m	$5.67T
5 59 North Capital Management, LP Hedge Fund•Long/Short	Michael Richard Bilger Managing Partner	$214.4M 6.68% of portfolio	3.73% 1.7M shares	Q3 2025 Held for 3 months	$3.2B
Conestoga Capital Advisors, LLC Long Only Manager	Robert Michael Mitchell Partner	$147.6M 2.37% of portfolio	2.57% 1.1M shares	Q3 2016 Held for 9y 3m	$6.2B
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	Kenneth Cordele Griffin CEO	$143.3M 0.12% of portfolio	2.49% 1.1M shares	Q2 2016 Held for 9y 6m	$122.10B

Net Capital Flow

Institutional buying and selling activity for SITE in Q3 2025

Traded: +$253.0M
Buyers: 177
Sellers: 182
Total Bought: +$851.3M
Total Sold: −$598.3M
Avg Position: $14.5M

Biggest Buyers

Institution	Net Bought	Current Position
5 59 North Capital Management, LP Hedge Fund•Long/Short	+$214.4M +1.7M shares	$214.4M 1.7M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$85.7M +665.1K shares	$143.3M 1.1M shares
Cartenna Capital, LP Hedge Fund•Long/Short	+$63.8M +495.0K shares	$63.8M 495.0K shares
A Amundi Institution	+$59.8M +467.0K shares	$59.8M 467.0K shares
HENDERSON GROUP PLC Institution	+$50.5M +392.2K shares	$52.9M 410.5K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$40.1M +311.6K shares	$45.2M 351.0K shares
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	+$39.8M +309.0K shares	$39.8M 309.0K shares
WASATCH ADVISORS INC Long Only Manager	+$28.7M +223.0K shares	$280.5M 2.2M shares
UBS Group AG Institution	+$24.3M +189.0K shares	$61.0M 473.2K shares
Kinetic Partners Management, LP Hedge Fund•Long/Short	+$20.3M +157.5K shares	$20.3M 157.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	−$167.6M −1.3M shares	$598.9M 4.7M shares
A Allianz Asset Management AG Institution	−$80.6M −666.3K shares	Sold Off 0 shares
A AMERICAN CENTURY COMPANIES INC Institution	−$31.6M −245.3K shares	$49.4M 383.7K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$23.8M −186.0K shares	$32.6M 255.2K shares
S Skandinaviska Enskilda Banken AB Institution	−$15.9M −123.4K shares	$7.2M 55.9K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$14.9M −115.9K shares	$7.0M 54.1K shares
BANK OF AMERICA CORP /DE/ Institution	−$14.8M −114.8K shares	$52.7M 409.1K shares
C Cubist Systematic Strategies, LLC Institution	−$13.2M −109.3K shares	Sold Off 0 shares
Granite Investment Partners, LLC Long Only Manager	−$13.1M −102.0K shares	$3.4M 26.2K shares
I Impax Asset Management Group plc Long Only Manager	−$11.6M −90.2K shares	$118.6M 920.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited SITE in Q3 2025

New Positions: 24
New Value: $334.4M
Exited Positions: 40
Exited Value: $120.5M

New Positions

Institution	Position Value
5 59 North Capital Management, LP Hedge Fund•Long/Short	$214.4M 1.7M shares
Cartenna Capital, LP Hedge Fund•Long/Short	$63.8M 495.0K shares
Kinetic Partners Management, LP Hedge Fund•Long/Short	$20.3M 157.5K shares
Interval Partners, LLC Hedge Fund•Long/Short	$12.7M 98.8K shares
M Mediolanum International Funds Ltd Institution	$12.0M 93.6K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$3.4M 26.1K shares
O OSSIAM Institution	$2.2M 17.2K shares
Morningstar Investment Management LLC Long Only Manager	$2.1M 15.9K shares
Susquehanna Portfolio Strategies, LLC Private Equity	$1.2M 9.2K shares
Atom Investors LP Hedge Fund•Market Neutral	$884.2K 6.9K shares

Exited Positions

Institution	Previous Position
A Allianz Asset Management AG Institution	$80.6M 666.3K shares
C Cubist Systematic Strategies, LLC Institution	$13.2M 109.3K shares
D D. E. Shaw & Co., Inc. Institution	$5.0M 41.6K shares
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$4.5M 37.5K shares
Symphony Financial, Ltd. Co. RIA/Wealth	$3.5M 29.1K shares
OCCUDO QUANTITATIVE STRATEGIES LP Hedge Fund•Market Neutral	$1.5M 12.0K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$1.3M 10.4K shares
IEQ CAPITAL, LLC RIA/Wealth	$1.1M 8.8K shares
Quantbot Technologies LLC Hedge Fund•Quant	$967.8K 8.0K shares
BANK OF MONTREAL /CAN/ Institution	$958.0K 7.9K shares

Options Activity

Institutions with the largest Call and Put options positions in SITE as of Q3 2025

Call Positions: 3
Call Value: $3.7M
Put Positions: 1
Put Value: $940.2K

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.4M 185.0 contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$1.1M 86.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$244.7K 19.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$940.2K 73.0 contracts

Most Committed Institutions

Institutions with SITE as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
5 59 North Capital Management, LP Hedge Fund•Long/Short	Michael Richard Bilger Managing Partner	6.68% $214.4M	3.73% 1.7M shares	Q3 2025 Held for 3 months	$3.2B
ACK Asset Management LLC Hedge Fund•Long/Short	Richard Scott Meisenberg Managing Partner	4.30% $36.1M	0.63% 280.0K shares	Q1 2025 Held for 9 months	$839.5M
Pembroke Management, LTD Long Only Manager	Nicolas Gilles Chevalier CEO	3.89% $39.2M	0.68% 304.4K shares	Q3 2017 Held for 8y 3m	$1.0B
Cartenna Capital, LP Hedge Fund•Long/Short	Sean Mcduffy President	3.32% $63.8M	1.11% 495.0K shares	Q3 2025 Held for 3 months	$1.9B
Crown Oak Advisors, LLC RIA/Wealth	John Charles Chiacchiero Managing Partner	3.18% $6.7M	0.12% 55.7K shares	Q4 2023 Held for 2 years	$211.5M
Conestoga Capital Advisors, LLC Long Only Manager	Robert Michael Mitchell Partner	2.37% $147.6M	2.57% 1.1M shares	Q3 2016 Held for 9y 3m	$6.2B
Sandhill Capital Partners LLC RIA/Wealth	Edwin Mcclellan Johnston Founder	2.20% $31.5M	0.55% 244.2K shares	Q1 2017 Held for 8y 9m	$1.4B
M McCollum Christoferson Group LLC RIA/Wealth	Katherine Ann Christoferson Managing Partner	2.02% $7.0M	0.12% 54.7K shares	Q4 2017 Held for 8 years	$349.0M
P Premier Fund Managers Ltd Institution	-	1.85% $44.2M	0.77% 343.5K shares	Q2 2020 Held for 5y 6m	$2.4B
GENEVA CAPITAL MANAGEMENT LTD/WI Long Only Manager	William S Priebe Managing Partner	1.68% $97.9M	1.70% 760.2K shares	Q1 2020 Held for 5y 9m	$5.8B