Clean Harbors INC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
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FMR LLC and Abigail P. Johnson have reported a combined beneficial ownership of 5.7% in Clean Harbors Inc. common stock as of June 30, 2026.
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D1 Capital Partners L.P. and Daniel Sundheim have reported beneficial ownership of 2.5% of Clean Harbors Inc. common stock as of March 31, 2026.
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The Vanguard Group reported a 0% beneficial ownership in Clean Harbors Inc. common stock following an internal realignment.
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D1 Capital Partners L.P. and Daniel Sundheim have disclosed a 5.2% beneficial ownership stake in Clean Harbors Inc., totaling 2,781,882 shares.
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Wellington Management Group LLP and its affiliates reported beneficial ownership of 9.7% of Clean Harbors, Inc. common stock as of December 31, 2025.
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Wellington Management Group LLP and its affiliates have filed an amended Schedule 13G, reporting a passive beneficial ownership of 10.85% in Clean Harbors, Inc. common stock.
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SCHEDULE 13G/A: Wellington Management Group Amends Clean Harbors Stake, Maintains Significant Ownership
Wellington Management Group LLP and its affiliates have filed an amended Schedule 13G, reporting a 9.8% beneficial ownership stake in Clean Harbors, Inc. as of March 31, 2025.