Security key
82982L103
SiteOne Landscape Supply, Inc. - Common Stock (SITE)
CUSIP: 82982L103
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 49,171,885
- Total 13F value
- $6,525,015,853
- Share change
- +388,407
- Put/Call ratio
- 16%
- SEC-reported price per share
- $133.11
- Number of holders
- 423
- Value change
- +$67,887,480
- Number of buys
- 225
- Number of sells
- 183
- Shares outstanding
- 44,501,309
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
423
Top holders
10
SITE full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
SiteOne Landscape Supply, Inc. SEC filings
SiteOne Landscape Supply, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 82982L103
Recent filing periods:
Ownership snapshot
Top reported holders of SITE - SiteOne Landscape Supply, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
PRICE T ROWE ASSOCIATES I...
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 10%
13D/G row: PRICE T ROWE ASSOCIATES INC /MD/
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 10%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Comparable ownership
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
10%
KAYNE ANDERSON RUDNICK INVESTMENT...
6%
VANGUARD CAPITAL MANAGEMENT LLC
5.3%
AQR CAPITAL MANAGEMENT LLC
5.1%
BlackRock, Inc.
4.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
10%
|
$598,973,194
4,650,413 shares
|
$0 | 30 Sep 2025 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13D/G
13F
Company
|
6%
|
$355,464,265
2,668,250 shares
|
$0 | 31 Dec 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
5.3%
|
$335,225,604
2,345,219 shares
|
$0 | 31 Mar 2026 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
13F
Company
|
5.1%
|
$302,535,736
2,272,825 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
4.6%
from 13D/G
|
$246,908,157
1,982,243 shares
|
— | 31 Dec 2025 |
| Doug Black |
3/4/5
CEO, Director
|
1.3%
|
$78,523,464
589,427 shares
|
— | 13 Feb 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
423
Shares
49,171,885
Rows available
423
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
423
Q1 2026 holders
423
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend