# SITEONE LANDSCAPE SUPPLY INC COM

SITEONE LANDSCAPE SUPPLY INC COM is a security (CUSIP 82982L103) tracked across SEC portfolio filings. 412 institutional managers reported $5.0B on Form 13F as of 2026-06-30; 49 registered fund positions totaling $833.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: SITEONE LANDSCAPE SUPPLY INC
- Class: COM
- CUSIP: 82982L103
- Asset category: EC
- 13F holders: 412
- 13F value: $5.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 49
- N-PORT value: $833.6M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 412 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $499.4M | 4,009,546 |
| [KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/104599) | LOS ANGELES, CA | $331.0M | 2,486,718 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $292.8M | 2,272,825 |
| [BAMCO INC /NY/](https://search.stillhousedata.com/firm/110789) | NEW YORK, NY | $274.1M | 2,059,076 |
| BlackRock, Inc. | New York, NY | $221.4M | 1,934,754 |
| [WASATCH ADVISORS LP](https://search.stillhousedata.com/firm/6081) | SALT LAKE CITY, UT | $145.3M | 1,269,677 |
| [59 North Capital Management, LP](https://search.stillhousedata.com/firm/300258) | New York, NY | $139.7M | 1,049,440 |
| Capital World Investors | LOS ANGELES, CA | $127.9M | 960,952 |
| [Artisan Partners Limited Partnership](https://search.stillhousedata.com/firm/150114) | Milwaukee, WI | $111.4M | 836,975 |
| Conestoga Capital Advisors, LLC | WAYNE, PA | $109.9M | 960,286 |
| Impax Asset Management Group plc | LONDON, X0 | $109.7M | 824,430 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $107.2M | 805,336 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $104.6M | 785,645 |
| UBS Group AG | Zurich, V8 | $96.2M | 722,378 |
| AMUNDI | PARIS, I0 | $93.6M | 703,767 |

## Top fund holders (N-PORT)

_Showing 15 of 49 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $224.6M | 175.93% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $173.5M | 21.41% |
| [T. Rowe Price Mid-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002103) | T. ROWE PRICE MID-CAP VALUE FUND, INC. | $84.8M | 57.40% |
| [CONESTOGA SMALL CAP FUND](https://search.stillhousedata.com/fund/S000004756) | Conestoga Funds | $72.9M | 324.38% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $61.3M | 75.97% |
| [BARON DISCOVERY FUND](https://search.stillhousedata.com/fund/S000042178) | BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | $39.9M | 244.06% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $31.1M | 14.28% |
| [Nationwide Geneva Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000041104) | Nationwide Mutual Funds | $22.9M | 208.41% |
| [Bridge Builder Small/Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000048336) | Bridge Builder Trust | $18.9M | 20.49% |
| [Master Advantage Large Cap Core Portfolio](https://search.stillhousedata.com/fund/S000001970) | Master Large Cap Series LLC | $18.3M | 41.69% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $17.0M | 18.44% |
| [Artisan Mid Cap Fund](https://search.stillhousedata.com/fund/S000006496) | Artisan Partners Funds Inc. | $15.1M | 51.08% |
| [Driehaus Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000058261) | Driehaus Mutual Funds | $8.9M | 77.68% |
| [College Retirement Equities Fund - Total Global Stock Account](https://search.stillhousedata.com/fund/S000005080) | College Retirement Equities Fund | $7.2M | 0.56% |
| [Value Line Small Cap Opportunities Fund, Inc.](https://search.stillhousedata.com/fund/S000007569) | Value Line Small Cap Opportunities Fund, Inc. | $6.8M | 87.43% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/82982l103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.