SiteOne Landscape Supply SITE Institutional Ownership

NYSE SITE

$97.46 +0.88 (+0.91%)

As of: Oct 21, 2026 · 3:59 PM EDT

Institutions by Trading Activity

389 Institutions

Increased 177 45.5%

Unchanged 51 13.1%

Reduced 161 41.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

46.97Mn

of 44.15Mn outstanding

▼-3.85% QoQ

Shares Outstanding

44.15Mn

Institutional Investors

389

filed 13F for Jun 2026

▼-31 vs prior quarter

Net Shares Added (QoQ)

-1.88Mn

distributed since last quarter

Value of Holdings

$4.54Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

SiteOne Landscape Supply, Inc. (NYSE:SITE) was held by 388 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

Total shares held in SiteOne Landscape Supply fell 3.85% from Q1 2026, while the number of holders fell 0.51% from Q2 2025.
Looking at the 388 holders of SITE individually, 176 added to their positions, 161 reduced their stakes and 51 left their positions unchanged.
The aggregate institutional position in SiteOne Landscape Supply was 46.97Mn shares at the end of Q2 2026, down 1.88Mn from the prior quarter and up 1.32Mn from a year earlier.
T. Rowe Price Associates Inc held the largest position in SITE at 4.47Mn shares as of June 30, 2026.
Holders that added the most shares of SiteOne Landscape Supply in Q2 2026 were 59 North Capital Management, LP (+1.01Mn shares), Qube Research & Technologies Ltd (+487.35K shares), Massachusetts Financial Services Co (+397.49K shares), Citadel Advisors LLC (+388.92K shares) and Amundi (+344.98K shares).
Holders that trimmed the most shares of SiteOne Landscape Supply in Q2 2026 while keeping a position were AQR Capital Management LLC (-1.04Mn shares), Wasatch Advisors LP (-851.85K shares), Artisan Partners Limited Partnership (-651.04K shares), Schonfeld Strategic Advisors LLC (-441.31K shares) and Kayne Anderson Rudnick Investment Management LLC (-438.57K shares).
SiteOne Landscape Supply's 10 largest institutional shareholders as of Q2 2026 were T. Rowe Price Associates Inc (4.47Mn shares), 59 North Capital Management, LP (2.06Mn shares), Kayne Anderson Rudnick Investment Management LLC (2.05Mn shares), BAMCO Inc (2.03Mn shares), Vanguard Capital Management LLC (2Mn shares), BlackRock, Inc. (1.93Mn shares), Vanguard Portfolio Management LLC (1.73Mn shares), T. Rowe Price Investment Management, Inc. (1.65Mn shares), Wasatch Advisors LP (1.27Mn shares) and AQR Capital Management LLC (1.23Mn shares), per Business Quant data.

Form 13F Holdings

390 Institutional Holders

Report period 30 Jun, 2026

Total shares held 46.97Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	4,474,072	10.13%	▼39,571	-0.88%	$511.88K
2	59 North Capital Management, LP	0001805589	2,057,212	4.66%	▲1,007,772	+96.03%	$235.37Mn
3	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	0001021223	2,048,143	4.64%	▼438,575	-17.64%	$234.33Mn
4	BAMCO INC /NY/	0001017918	2,028,799	4.60%	▼30,277	-1.47%	$232.11Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,004,438	4.54%	▼711	-0.04%	$229.33Mn
6	BlackRock, Inc.	0002012383	1,934,754	4.38%	▼131,092	-6.35%	$221.36Mn
7	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,727,897	3.91%	▼39,809	-2.25%	$197.69Mn
8	T. Rowe Price Investment Management, Inc.	0001897612	1,653,067	3.74%	▼40,785	-2.41%	$189.13K
9	WASATCH ADVISORS LP	0000814133	1,269,677	2.88%	▼851,847	-40.15%	$145.26Mn
10	AQR CAPITAL MANAGEMENT LLC	0001167557	1,234,583	2.80%	▼1,038,242	-45.68%	$140.47Mn
11	DIMENSIONAL FUND ADVISORS LP	0000354204	1,062,370	2.41%	▲257,034	+31.92%	$121.55Mn
12	Amundi	0001330387	1,048,747	2.38%	▲344,980	+49.02%	$120.04Mn
13	Capital World Investors	0001422849	991,818	2.25%	▲30,866	+3.21%	$113.47Mn
14	CITADEL ADVISORS LLC	0001423053	983,646	2.23%	▲388,918	+65.39%	$112.54Mn
15	Conestoga Capital Advisors, LLC	0001163744	960,286	2.18%	▼146,415	-13.23%	$109.87Mn
16	Impax Asset Management Group plc	0001749768	836,410	1.89%	▲11,980	+1.45%	$95.69Mn
17	State Street Corp	0000093751	793,748	1.80%	▲22,879	+2.97%	$90.81Mn
18	GEODE CAPITAL MANAGEMENT, LLC	0001214717	756,823	1.71%	▼28,822	-3.67%	$86.61Mn
19	Neuberger Berman Group LLC	0001465109	711,289	1.61%	▲175,563	+32.77%	$81.38Mn
20	Qube Research & Technologies Ltd	0001729829	630,595	1.43%	▲487,354	+340.23%	$72.15Mn

Showing 1 to 20 of 390 holders