Clean Harbors Inc (CLH)
- Sector
- Commercial Services & Supplies
- Last price
- $313.27
- As of
Kresmion compiles this page from CLH's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
CLEAN HARBORS INC (CLH): 5 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 10-Q filed 2026-10-28.
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Preview the CLH dossierActive events for CLH
- high13F: funds added
3 tracked funds increased CLH this 2026Q2, institutional consensus
- high13F: large reduction
CITADEL ADVISORS LLC cut 66% of CLH (2026Q2)
- high13F: large increase
CITADEL ADVISORS LLC added +2038% to CLH (2026Q2)
- high13F: large increase
Point72 Asset Management, L.P. added +86% to CLH (2026Q2)
- high13F: large increase
RENAISSANCE TECHNOLOGIES LLC added +627% to CLH (2026Q2)
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Every event on CLH, as it fires
You are seeing 5 of 8 events recorded on CLH since 2026-05-30.
The five above landed across 2 days. The other 3 were recorded on 2 other days. 5 of the 8 are institutional flow rows, which arrive in batches on filing days.
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Largest reported share positions in CLH (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| TWO SIGMA INVESTMENTS, LPCUSIP 184496107 · 2026Q2 | $126.4M | 0.09% | , |
| CITADEL ADVISORS LLCCUSIP 184496107 · 2026Q2 | $93.9M | 0.01% | , |
| Point72 Asset Management, L.P.CUSIP 184496107 · 2026Q2 | $31.4M | 0.03% | , |
| RENAISSANCE TECHNOLOGIES LLCCUSIP 184496107 · 2026Q2 | $24.6M | 0.03% | , |
| D. E. Shaw & Co., Inc.CUSIP 184496107 · 2026Q2 | $5M | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, CLH
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
CLH against its peers
CLH's operating margin of 11.2% ranks in the 82nd percentile of 13 Commercial Services & Supplies sub-industry peers, fiscal periods ending between 2025-09-28 and 2026-08-29.
| Metric | CLH | Peer median | Percentile | n |
|---|---|---|---|---|
| Revenue FY | 6.0B USD | 2.4B USD | 91 | 15 |
| Gross margin | 31.3% | 31.2% | 50 | 10 |
| Operating margin | 11.2% | 7.4% | 82 | 13 |
| Net margin | 6.5% | 4.4% | 68 | 16 |
| Return on equity | 14.2% | 13.8% | 59 | 15 |
| P / E | 43.0x | 21.4x | 88 | 11 |
Peers (16): GFL, TTEK, OPLN, UNF, BCO, BRC, GEO, ABM, CXW, TILE, VSTS, ACVA, HCSG, MLKN, LQDT, QUAD. Fiscal periods ending between 2025-09-28 and 2026-08-29. Every figure is one full fiscal year read from one annual filing (CLH: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.
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