SiteOne Landscape Supply, Inc. (SITE)
NYSE: SITE · Wholesale-Professional & Commercial Equipment & Supplies · Roswell, GA · filing with the SEC since 2015
Grade6.4
◀ Past 7.4● Present 6.6▶ Future 5.4
Who owns SiteOne Landscape Supply, Inc.
As filed with the SECHolders of 5% or more
2
T. Rowe Price Associates, Inc. holds 10.4% of COMMON STOCK, as its SCHEDULE 13G/A filed Nov 14, 2025 says.
Directors and officers
15
report now, of 25 people on the record since 2016. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed Nov 14, 2025 · COMMON STOCK
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Kayne Anderson Rudnick Investment Management, LLC
SCHEDULE 13G/A · filed Aug 13, 2026 · Common Stock · reported falling below 5%, from 6% in Feb 13, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Feb 5, 2025 · Common Stock · reported falling below 5%
AQR Capital Management, LLC
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock, $0.01 par value per share · reported falling below 5%, from 5.11% in May 14, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What SITE reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Devil Mountain
An investee · investee · invested in, named in the 10-K filed Feb 19, 2026
50 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 19, 2026.
Insider tradesForm 4
4sales
6purchases
2sales on a scheduled plan
3people selling
$700,000sold, in dollars
$2.5Mbought, in dollars
Open-market trades on Form 4 from Nov 3, 2025 to Nov 3, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 3, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 30 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Elema Eric J | EVP, CFO and Assistant Sec. | 1 | $300,000 | 0 | 0 | $0 |
| Guthrie John T | EVP, CFO and Assistant Sec. | 1 | $300,000 | 0 | 0 | $0 |
| Diaz Fred M | director | 2 | $100,000 | 2 | 0 | $0 |
| Black Doug | CEO | 0 | $0 | 0 | 5 | $2.3M |
| Laughlin Daniel T. | SVP, Strategy & Development | 0 | $0 | 0 | 1 | $200,000 |