SITE · SiteOne Landscape Supply, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 399 13F filersWho Holds SITE
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 397 filers, like-for-like change -4.2%; actively managed books -5.2%; index-like books +0.9%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 58.7% | 209 | -5.5% |
| Exempt adviser | 1.6% | 3 | +110.0% |
| Adviser | 9.8% | 11 | -8.5% |
| Bank | 6.5% | 19 | -11.5% |
| Insurer | 0.0% | 1 | -80.6% |
| Broker-dealer | 0.1% | 2 | -1.6% |
| Benefit plan | 0.4% | 6 | -18.6% |
| Non-US | 1.5% | 12 | -3.9% |
| Holding company | 11.6% | 10 | +7.1% |
| Unknown | 9.9% | 124 | -6.0% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 18.5% | 37 | +0.9% |
| Systematic-like | 6.0% | 26 | +117.8% |
| Concentrated | 11.8% | 69 | +28.7% |
| Diversified active | 63.7% | 265 | -14.0% |
| Unknown | 0.0% | 0 | -100.0% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 54.0% | 239 | -3.9% |
| Medium turnover | 25.8% | 78 | -16.6% |
| High turnover | 9.5% | 48 | +35.9% |
| Unknown | 10.6% | 32 | +4.1% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 12.6% | 53 | +18.6% |
| Medium horizon | 14.1% | 60 | +6.0% |
| Long horizon | 68.2% | 262 | -10.3% |
| Unknown | 5.0% | 22 | +15.2% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 2.5% | 75 | -0.6% |
| $1B to $10B | 14.2% | 128 | +11.3% |
| $10B to $100B | 24.4% | 119 | -15.1% |
| $100B or more | 58.9% | 75 | -2.5% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 4.3% | 115 | -23.3% |
| Pooled investment vehicles | 11.9% | 38 | +69.8% |
| Registered funds and BDCs | 29.6% | 21 | +3.8% |
| Pension and profit sharing plans | 0.3% | 3 | +532.6% |
| Insurance companies | 0.0% | 2 | -98.2% |
| Charitable organizations | 0.0% | 2 | 0.0% |
| Governments and sovereign funds | 0.4% | 6 | -17.6% |
| Other investment advisers | 0.1% | 4 | +50.9% |
| Other | 0.0% | 1 | new |
| Diversified | 12.1% | 17 | -39.2% |
| Unknown | 41.3% | 188 | -2.3% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 17.4% | 51 | +10.4% |
| Private equity funds | 0.8% | 16 | +1.5% |
| Venture capital funds | 0.0% | 1 | -75.4% |
| Real estate funds | 0.0% | 4 | -1.2% |
| Securitized asset funds | 0.3% | 1 | 0.0% |
| Other private funds | 15.2% | 16 | -11.8% |
| Mixed private funds | 0.3% | 3 | -10.7% |
| Private funds, type not stated | 1.2% | 4 | +171.1% |
| No private funds | 25.0% | 116 | -10.5% |
| Liquidity funds | 0.0% | 0 | — |
| Unknown | 39.7% | 185 | -4.4% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 88.9% | 331 | -5.7% |
| Outside the US | 11.1% | 66 | +10.5% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 4 holders with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
397 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 31.9% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies SITE's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | EXPO Exponent Inc | 7 |
| 2 | WING Wingstop Inc. | 8 |
| 3 | AAON Aaon, Inc. | 11 |
| 4 | NOVT Novanta Inc | 10 |
| 5 | BFAM Bright Horizons Family Solutions Inc. | 6 |
| 6 | TYL Tyler Technologies Inc | 13 |
| 7 | CWST Casella Waste Systems Inc | 9 |
| 8 | GWRE Guidewire Software, Inc. | 9 |
| 9 | DSGX Descartes Systems Group Inc | 8 |
| 10 | FND Floor & Decor Holdings, Inc. | 9 |
Shareholder Targets
13F filers that own its peers but not SITE, quarter ended Jun 30, 2026Found through its holder-overlap peers: EXPO, WING, AAON, NOVT, BFAM, TYL, CWST, GWRE, DSGX, FND, CSW, DORM, HLNE, RGEN, POOL, HQY, SAIA, WDFC, KAI, ROAD. 1,484 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $1,914,912,789 11 held | AAON, POOL, CWST |
| 2 | PRINCIPAL FINANCIAL GROUP INC Insurer, Diversified active | $1,562,317,013 20 held | TYL, FND, GWRE |
| 3 | Linonia Partnership LP Registered adviser, Concentrated | $853,165,083 1 held | GWRE |
| 4 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Adviser, Diversified active | $793,368,793 15 held | ROAD, SAIA, NOVT |
| 5 | Darsana Capital Partners LP Registered adviser, Concentrated | $728,197,200 2 held | GWRE, WING |
| 6 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Registered adviser, Diversified active | $679,327,024 8 held | HQY, NOVT, SAIA |
| 7 | Clearbridge Investments, LLC Registered adviser, Diversified active | $541,232,828 7 held | CWST, HQY, ROAD |
| 8 | MARSHALL WACE, LLP Exempt adviser, Diversified active | $503,919,546 17 held | WING, TYL, HLNE |
| 9 | VAN ECK ASSOCIATES CORP Registered adviser, Index-like | $480,792,451 10 held | TYL, GWRE, NOVT |
| 10 | Capital Research Global Investors Adviser, Diversified active | $428,316,487 3 held | SAIA, CWST, CSW |
Fund Ownership of SITE by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 13.48% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 2.28% | 983,901 |
| Index ETFs | 11.20% | 4,828,611 |
| Active ETFs | 1.02% | 440,384 |
| Active funds | 27.34% | 11,792,959 |
| Unclassified | 0.40% | 172,785 |
| All registered funds | 42.24% | 18,218,640 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $511,878,577 | 9.51% | 4,474,072 | Shares | 2026-08-14 | |
| Mid 59 North Capital Management, LP Registered adviser | $235,365,624 | 4.37% | 2,057,212 | Shares | 2026-08-14 | |
| Large KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Registered adviser | $234,328,040 | 4.35% | 2,048,143 | Shares | 2026-08-13 | |
| Large BAMCO INC /NY/ Registered adviser | $232,114,893 | 4.31% | 2,028,799 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $229,327,751 | 4.26% | 2,004,438 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $221,355,198 | 4.11% | 1,934,754 | Shares | 2026-08-07 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $197,688,695 | 3.67% | 1,727,897 | Shares | 2026-08-13 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $189,127,395 | 3.51% | 1,653,067 | Shares | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $141,248,640 | 2.62% | 1,234,583 | Shares | 2026-08-14 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $121,545,750 | 2.26% | 1,062,370 | Shares | 2026-08-11 | |
| Mega Amundi Holding company | $119,987,142 | 2.23% | 1,048,747 | Shares | 2026-08-11 | |
| Large WASATCH ADVISORS LP Registered adviser | $114,662,813 | 2.13% | 1,269,658 | Shares | 2026-10-13 | |
| Mega Capital World Investors Adviser | $113,473,897 | 2.11% | 991,818 | Shares | 2026-08-12 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $112,538,938 | 2.09% | 983,646 | Shares | 2026-09-02 | |
| Mid Conestoga Capital Advisors, LLC Adviser | $109,866,321 | 2.04% | 960,286 | Shares | 2026-07-24 | |
| Large Impax Asset Management Group plc Holding company | $95,693,668 | 1.78% | 836,410 | Shares | 2026-08-11 | |
| Mega STATE STREET CORP Bank | $90,812,708 | 1.69% | 793,748 | Shares | 2026-09-22 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $86,588,118 | 1.61% | 756,823 | Shares | 2026-08-12 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $81,378,574 | 1.51% | 711,289 | Shares | 2026-10-27 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $72,146,373 | 1.34% | 630,595 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $67,155,924 | 1.25% | 586,976 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $59,519,398 | 1.11% | 520,229 | Shares | 2026-08-14 | |
| Mid Stephens Investment Management Group LLC Registered adviser | $57,473,177 | 1.07% | 502,344 | Shares | 2026-07-29 | |
| Mid GENEVA CAPITAL MANAGEMENT LLC Registered adviser | $55,077,202 | 1.02% | 481,402 | Shares | 2026-08-06 | |
| Large GW&K Investment Management, LLC Registered adviser | $53,950,378 | 1.00% | 471,553 | Shares | 2026-08-12 | |
| Large Balyasny Asset Management L.P. Registered adviser | $52,268,894 | 0.97% | 456,856 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $50,384,447 | 0.94% | 440,385 | Shares | 2026-08-12 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $49,026,627 | 0.91% | 428,517 | Shares | 2026-08-14 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser | $46,156,425 | 0.86% | 403,430 | Shares | 2026-08-03 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $46,104,825 | 0.86% | 402,979 | Shares | 2026-08-14 | |
| Large KBC Group NV | $44,667,777 | 0.83% | 494,605 | Shares | 2026-10-22 | |
| Mega UBS Group AG Bank | $43,895,339 | 0.82% | 383,667 | Shares | 2026-08-13 | |
| Large BROWN ADVISORY INC | $41,612,747 | 0.77% | 363,716 | Shares | 2026-08-14 | |
| Mega Capital International Investors Adviser | $41,270,089 | 0.77% | 360,721 | Shares | 2026-08-12 | |
| Small ACK Asset Management LLC | $37,755,300 | 0.70% | 330,000 | Shares | 2026-08-13 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $37,415,500 | 0.69% | 327,030 | Shares | 2026-08-14 | |
| Mid Southpoint Capital Advisors LP Registered adviser | $34,323,000 | 0.64% | 300,000 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $32,094,522 | 0.60% | 280,522 | Shares | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $30,126,439 | 0.56% | 263,320 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $29,722,225 | 0.55% | 259,787 | Shares | 2026-08-13 | |
| Mid GILDER GAGNON HOWE & CO LLC Registered adviser | $29,234,157 | 0.54% | 255,521 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $28,048,983 | 0.52% | 245,162 | Shares | 2026-08-13 | |
| Mid DF DENT & CO INC Registered adviser | $25,159,903 | 0.47% | 219,910 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $24,693,682 | 0.46% | 215,835 | Shares | 2026-08-14 | |
| Large Allspring Global Investments Holdings, LLC Holding company | $24,155,382 | 0.45% | 211,130 | Shares | 2026-08-13 | |
| Large Handelsbanken Fonder AB Non-US | $23,653,237 | 0.44% | 206,741 | Shares | 2026-07-10 | |
| Mega ENVESTNET ASSET MANAGEMENT INC Registered adviser | $23,366,068 | 0.43% | 204,231 | Shares | 2026-09-23 | |
| Mega RAYMOND JAMES FINANCIAL INC | $22,940,805 | 0.43% | 200,514 | Shares | 2026-08-14 | |
| Large Artisan Partners Limited Partnership Registered adviser | $21,272,937 | 0.40% | 185,936 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO Bank | $21,121,455 | 0.39% | 184,612 | Shares | 2026-08-12 | |
| Mega Bank of New York Mellon Corp Bank | $20,860,141 | 0.39% | 182,328 | Shares | 2026-08-06 | |
| Mid BLI - Banque de Luxembourg Investments | $20,651,005 | 0.38% | 180,500 | Shares | 2026-08-10 | |
| Mega Nuveen, LLC | $20,350,220 | 0.38% | 177,871 | Shares | 2026-08-11 | |
| Mega Fisher Asset Management, LLC Adviser | $20,177,004 | 0.37% | 176,357 | Shares | 2026-08-04 | |
| Mega SEI INVESTMENTS CO Holding company | $19,644,768 | 0.36% | 171,705 | Shares | 2026-08-14 | |
| Small Rivermont Capital Management LP Registered adviser | $19,585,962 | 0.36% | 171,191 | Shares | 2026-08-13 | |
| Large SEB Asset Management AB | $19,449,700 | 0.36% | 170,000 | Shares | 2026-08-04 | |
| Mega NORGES BANK Non-US | $17,489,513 | 0.32% | 152,867 | Shares | 2026-08-12 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $17,483,788 | 0.32% | 152,817 | Shares | 2026-08-13 | |
| Mid Kinetic Partners Management, LP Registered adviser | $16,715,415 | 0.31% | 146,101 | Shares | 2026-08-14 | |
| Mid Harvey Partners, LLC Registered adviser | $16,481,790 | 0.31% | 144,059 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $16,451,929 | 0.31% | 143,798 | Shares | 2026-08-13 | |
| Large FIFTH THIRD BANCORP Bank | $15,472,808 | 0.29% | 135,240 | Shares | 2026-08-05 | |
| Mid Fenimore Asset Management Inc | $14,850,937 | 0.28% | 164,444 | Shares | 2026-10-08 | |
| Mega JANE STREET GROUP, LLC | $14,786,462 | 0.27% | 129,241 | Shares | 2026-08-14 | |
| Mid SummitTX Capital, L.P. Registered adviser | $14,136,041 | 0.26% | 123,556 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $14,070,482 | 0.26% | 122,983 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $13,966,600 | 0.26% | 122,075 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC Bank | $13,825,876 | 0.26% | 120,845 | Shares | 2026-08-03 | |
| Large Point72 Asset Management, L.P. Registered adviser | $13,729,200 | 0.26% | 120,000 | Shares | 2026-08-14 | |
| Large Man Group plc | $13,249,021 | 0.25% | 115,803 | Shares | 2026-08-14 | |
| Small Pembroke Management, LTD Registered adviser | $12,740,212 | 0.24% | 141,072 | Shares | 2026-10-21 | |
| Large WCM INVESTMENT MANAGEMENT, LLC Registered adviser | $12,422,637 | 0.23% | 108,580 | Shares | 2026-08-13 | |
| Mid Premier Fund Managers Ltd Exempt adviser | $12,168,990 | 0.23% | 106,363 | Shares | 2026-07-22 | |
| Mega JONES FINANCIAL COMPANIES LLLP | $11,542,252 | 0.21% | 100,885 | Shares | 2026-08-14 | |
| Mid Zuckerman Investment Group, LLC Registered adviser | $11,486,878 | 0.21% | 100,401 | Shares | 2026-08-14 | |
| Large ROYCE & ASSOCIATES LP Registered adviser | $11,338,031 | 0.21% | 99,100 | Shares | 2026-08-14 | |
| Large NATIXIS ADVISORS, LLC Registered adviser | $11,276,364 | 0.21% | 98,561 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $11,083,125 | 0.21% | 96,872 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $10,438,997 | 0.19% | 91,242 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP | $10,358,338 | 0.19% | 90,537 | Shares | 2026-08-14 | |
| Mega Swiss National Bank | $10,171,049 | 0.19% | 88,900 | Shares | 2026-08-11 | |
| Large FRED ALGER MANAGEMENT, LLC Registered adviser | $9,879,303 | 0.18% | 86,350 | Shares | 2026-08-14 | |
| Large USS Investment Management Ltd | $9,668,560 | 0.18% | 84,508 | Shares | 2026-08-11 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Non-US | $9,427,384 | 0.18% | 82,400 | Shares | 2026-08-14 | |
| Large Rockefeller Capital Management L.P. Registered adviser | $9,013,905 | 0.17% | 78,786 | Shares | 2026-08-13 | |
| Mega BARCLAYS PLC Bank | $8,905,787 | 0.17% | 77,841 | Shares | 2026-08-14 | |
| Small 12th Street Asset Management Company, LLC Registered adviser | $8,635,094 | 0.16% | 75,475 | Shares | 2026-08-13 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $8,477,781 | 0.16% | 74,100 | Shares | 2026-08-13 | |
| Mega California Public Employees Retirement System | $7,908,019 | 0.15% | 69,120 | Shares | 2026-08-14 | |
| Mega STIFEL FINANCIAL CORP | $7,831,477 | 0.15% | 68,451 | Shares | 2026-08-12 | |
| Large NATIXIS Non-US | $7,760,315 | 0.14% | 67,829 | Shares | 2026-08-13 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $7,759,057 | 0.14% | 67,818 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $6,976,950 | 0.13% | 60,982 | Shares | 2026-08-14 | |
| Small Bridge City Capital, LLC Registered adviser | $6,845,722 | 0.13% | 59,835 | Shares | 2026-08-11 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $6,574,913 | 0.12% | 57,468 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $6,426,867 | 0.12% | 56,174 | Shares | 2026-08-14 | |
| Large Quantinno Capital Management LP Registered adviser | $6,148,278 | 0.11% | 53,739 | Shares | 2026-08-13 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $5,861,567 | 0.11% | 51,233 | Shares | 2026-08-24 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $5,854,931 | 0.11% | 51,175 | Shares | 2026-08-14 |
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