Institutional Ownership
Clean Harbors Inc
CUSIP 184496107COMCLHQ1 2026
13D / 13G Filings
23
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
12.4%
Max % of class reported
Institutional Holders
613
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
23 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | D1 Capital Partners L.P. | 13G | 5.2% | 2.78M | SEC |
| 2 | Feb 10, 2026 | Wellington Management Group LLP | 13G/A | 9.7% | 5.18M | SEC |
| 3 | May 7, 2025 | Wellington Management Group LLP | 13G/A | 10.9% | 5.81M | SEC |
| 4 | May 7, 2025 | Wellington Management Group LLP | 13G/A | 9.8% | 5.29M | SEC |
| 5 | Nov 14, 2024 | Select Equity Group, L.P. | 13G/A | 3.1% | 1.67M | SEC |
| 6 | Feb 14, 2024 | Select Equity Group, L.P. | 13G/A | 5.5% | 2.96M | SEC |
| 7 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 8.8% | 4.78M | SEC |
| 8 | Feb 8, 2024 | Wellington Management Group LLP | 13G/A | 6.8% | 3.65M | SEC |
| 9 | Jan 25, 2024 | Blackrock Inc. | 13G/A | 8.1% | 4.39M | SEC |
| 10 | Feb 9, 2023 | Vanguard Group Inc | 13G/A | 9.3% | 5.04M | SEC |
13 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Clean Harbors Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 4.80M | $1.38B |
| 2 | Wellington Management Group LLP | 3.58M | $1.03B |
| 3 | Janus Henderson Group PLC | 2.36M | $675.37M |
| 4 | Fmr LLC | 2.10M | $602.47M |
| 5 | Lone Pine Capital LLC | 1.75M | $503.20M |
| 6 | State Street Corp | 1.54M | $440.79M |
| 7 | D1 Capital Partners L.P. | 1.34M | $383.73M |
| 8 | Pictet Asset Management Holding SA | 1.24M | $356.09M |
| 9 | Clearbridge Investments, LLC | 1.20M | $344.87M |
| 10 | Select Equity Group, L.P. | 1.13M | $324.46M |