SITE · Insider trading · 13F holders · Congress trades
SiteOne Landscape Supply, Inc. (SITE)
Who is buying and selling SITE: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 28
- Insider buys, 90 days
- $1.3M
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 7
SITE at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 SITE insider filed 2 open-market purchases worth $1.3M on SEC Form 4.
- 28 13F filers hold SITE among their 50 largest positions, worth $1.3B combined. The biggest bets by portfolio weight are 59 North Capital Management, LP (5.2%), ACK Asset Management LLC (4.4%) and Rivermont Capital Management LP (2.8%). In their latest 13Fs, 4 managers opened a new position and 7 added to one.
- Members of Congress have disclosed 22 SITE trades since 2018, 0 purchases and 7 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 24, 2021.
- SITE last closed at $110.72 on Oct 29, 2026.
SITE insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 SITE insider filed 2 open-market purchases worth $1.3M on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Black Doug | CEO, Director | Buy | 5,000 | $96.13 | $481K | SEC |
| Aug 6, 2026 | Black Doug | CEO, Director | Buy | 8,000 | $102.04 | $816K | SEC |
Who owns SITE? Hedge funds and superinvestors
28 13F filers hold SITE among their 50 largest positions, worth $1.3B combined. The biggest bets by portfolio weight are 59 North Capital Management, LP (5.2%), ACK Asset Management LLC (4.4%) and Rivermont Capital Management LP (2.8%). In their latest 13Fs, 4 managers opened a new position and 7 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| 59 North Capital Management, LPHedge fund | 5.2% | $235.4M | 2,057,212 | +96.0% shares | Q2 2026 |
| Kayne Anderson Rudnick Investment Management LLCAsset manager | 0.7% | $234.3M | 2,048,143 | -17.6% shares | Q2 2026 |
| Bamco Inc /ny/Investment manager | 0.3% | $232.1M | 2,028,799 | -1.5% shares | Q2 2026 |
| Wasatch Advisors LPAsset manager | 0.9% | $114.7M | 1,269,658 | -0.0% shares | Q3 2026 |
| Conestoga Capital Advisors, LLCMutual fund manager | 2.4% | $109.9M | 960,286 | -13.2% shares | Q2 2026 |
| Impax Asset Management Group plcMutual fund manager | 0.6% | $95.7M | 836,410 | +1.5% shares | Q2 2026 |
| Geneva Capital Management LLCAsset manager | 1.3% | $55.1M | 481,402 | -23.3% shares | Q2 2026 |
| ACK Asset Management LLCHedge fund | 4.4% | $37.8M | 330,000 | +0.0% shares | Q2 2026 |
| Southpoint Capital Advisors LPHedge fund | 0.8% | $34.3M | 300,000 | New | Q2 2026 |
| BLI - Banque de Luxembourg InvestmentsBank & trust | 0.7% | $20.8M | 180,500 | -16.8% shares | Q2 2026 |
| Rivermont Capital Management LPHedge fund | 2.8% | $19.6M | 171,191 | +22.5% shares | Q2 2026 |
| Kinetic Partners Management, LPHedge fund | 0.4% | $16.7M | 146,101 | +73.7% shares | Q2 2026 |
| Harvey Partners, LLCInstitutional asset manager | 1.1% | $16.5M | 144,059 | New | Q2 2026 |
| SummitTX Capital, L.P.Hedge fund | 0.4% | $14.1M | 123,556 | — | Q2 2026 |
| Pembroke Management, LTDHedge fund | 1.6% | $12.7M | 141,072 | +3.8% shares | Q3 2026 |
| Premier Fund Managers LtdHedge fund | 1.1% | $12.2M | 106,363 | -48.2% shares | Q2 2026 |
| Zuckerman Investment Group, LLCWealth manager | 1.0% | $11.5M | 100,401 | +0.3% shares | Q2 2026 |
| 12th Street Asset Management Company, LLCAsset manager | 1.2% | $8.6M | 75,475 | New | Q2 2026 |
| Bridge City Capital, LLCInstitutional asset manager | 1.6% | $7.6M | 84,477 | +41.2% shares | Q3 2026 |
| Wilson Asset Management (international) Pty LtdAsset manager | 1.6% | $5.8M | 64,000 | -2.4% shares | Q3 2026 |
| SMA Capital LLCHedge fund | 2.0% | $4.8M | 42,000 | — | Q2 2026 |
| Summit Creek Advisors LLCInstitutional asset manager | 1.6% | $4.8M | 41,949 | -34.2% shares | Q2 2026 |
| Crown Oak Advisors, LLCWealth manager | 2.2% | $4.6M | 50,417 | -1.8% shares | Q3 2026 |
| Buckhead Capital Management LLCInstitutional asset manager | 0.9% | $2.5M | 21,930 | +52.3% shares | Q2 2026 |
| Dynamic Technology Lab Private LtdInvestment manager | 0.5% | $2.0M | 17,640 | — | Q2 2026 |
| Sovereign's Capital Management, LLCHedge fund | 1.3% | $2.0M | 17,382 | +117.3% shares | Q2 2026 |
| LRT Capital Management, LLCHedge fund | 1.2% | $1.8M | 16,146 | +50.8% shares | Q2 2026 |
| Hill City Capital, LPHedge fund | 0.0% | $332K | 2,900 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 5, Q2 2026: 23). Screen SITE in the grand portfolio →
SITE stock trades by members of Congress
Members of Congress have disclosed 22 SITE trades since 2018, 0 purchases and 7 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 24, 2021.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jul 15, 2021 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Jun 24, 2021 | -35.0% |
| Jun 15, 2021 | Josh GottheimerD-NJ · House | Sale | $1K–15K | May 13, 2021 | -35.8% |
| Jan 11, 2021 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Dec 7, 2020 | -21.6% |
| Jan 7, 2021 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Dec 2, 2020 | -17.1% |
| Nov 5, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Oct 29, 2020 | -12.0% |
| Nov 5, 2020 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Oct 23, 2020 | -12.7% |
| Jul 17, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Jun 30, 2020 | -3.9% |
| Apr 27, 2020 | Donna E. ShalalaD-FL · House | Sale | $1K–15K | Jun 24, 2019 | +63.7% |
| Apr 27, 2020 | Donna E. ShalalaD-FL · House | Buy | $1K–15K | May 15, 2019 | +65.6% |
| Apr 16, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Mar 24, 2020 | +66.0% |
| Mar 10, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Feb 21, 2020 | -2.5% |
| Jan 10, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Dec 24, 2019 | +20.6% |
| Dec 11, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Nov 5, 2019 | +21.8% |
| Jun 18, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | May 10, 2019 | +69.2% |
| Apr 16, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Mar 21, 2019 | +91.9% |
| Apr 5, 2019 | Josh GottheimerD-NJ · House | Buy | $1K–15K | Mar 19, 2019 | +94.9% |
| Jan 11, 2019 | Thomas MacArthurR-NJ · House | Sale | $1K–15K | Dec 7, 2018 | +80.3% |
| Jan 11, 2019 | Thomas MacArthurR-NJ · House | Buy | $1K–15K | Dec 3, 2018 | +73.0% |
| Dec 6, 2018 | Thomas MacArthurR-NJ · House | Buy | $1K–15K | Nov 29, 2018 | +82.4% |
| Dec 6, 2018 | Thomas MacArthurR-NJ · House | Buy | $1K–15K | Nov 29, 2018 | +82.4% |
4 members have traded SITE: Josh Gottheimer, Gilbert Ray Cisneros, Jr., Donna E. Shalala, Thomas MacArthur.
SITE questions and answers
Are insiders buying SITE stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 SITE insider filed 2 open-market purchases worth $1.3M on SEC Form 4.
Which hedge funds own SITE?
28 13F filers hold SITE among their 50 largest positions, worth $1.3B combined. The biggest bets by portfolio weight are 59 North Capital Management, LP (5.2%), ACK Asset Management LLC (4.4%) and Rivermont Capital Management LP (2.8%). In their latest 13Fs, 4 managers opened a new position and 7 added to one.
Has Congress traded SITE?
Members of Congress have disclosed 22 SITE trades since 2018, 0 purchases and 7 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 24, 2021.
Who is the largest holder of SITE?
Among 13F filers, 59 North Capital Management, LP reports the largest SITE position, $235.4M (2,057,212 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is 59 North Capital Management, LP's: 5.2% of its portfolio.
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