Clean Harbors (CLH)
Combines hazardous-waste infrastructure with industrial services and used-oil re-refining.
$311.86
vs last close−0.99 (−0.32%)
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13F · 13D/G · Form 4
| Institutions | 94.59% | 49.93M shares | |
|---|---|---|---|
| 672 holders · as of Jun 30, 2026 | |||
| Insiders | 4.81% | 2.54M shares | |
| 22 holders · as of Aug 18, 2026 | |||
| Other | 0.60% | 316.6K shares | |
| remainder | |||
52.79M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
672 holders · 49.93M shares · 100 new positions · 305 increased · 251 reduced · 64 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.08M | 9.62% | +273.7K | Aug 7, 2026 |
| Wellington Management Group LLP | 3.16M | 5.98% | −421.8K | Aug 14, 2026 |
| FMR LLC | 3.00M | 5.69% | +901.5K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 2.18M | 4.14% | +13.6K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 1.98M | 3.76% | +20.4K | Aug 13, 2026 |
| Jupiter Topco LLC | 1.60M | 3.03% | +1.60Mnew | Aug 14, 2026 |
| State Street Corp | 1.58M | 3.00% | +44.7K | Aug 7, 2026 |
| D1 Capital Partners L.P. | 1.32M | 2.49% | −22.8K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 6.80% | 3.58M | 13G | May 15, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 14, 2026 | Eric W. Gerstenbergofficer: CO-CEO | Sale | 2,500 | $321.34 | 56,793 |
| Mar 18, 2026 | Eric W. Gerstenbergofficer: CO-CEO | Sale | 1,000 | $293.00 | 59,857 |
| Feb 23, 2026 | Eric W. Gerstenbergofficer: CO-CEO | Sale | 2,500 | $279.86 | 64,000 |
| Feb 20, 2026 | Eric J. Dugasofficer: EVP CHIEF FINANCIAL OFFICER | Sale | 2,788 | $281.31 | 20,021 |
| Aug 3, 2026 | Andrea Robertsondirector | Sale | 789 | $314.01 | 8,979 |
| May 26, 2026 | Lauren Statesdirector | Sale | 789 | $286.19 | 11,359 |
| May 11, 2026 | Karyn Politodirector | Purchase | 460 | $295.13 | 3,475 |
| Mar 18, 2026 | Marcy L. Reeddirector | Sale | 836 | $287.94 | 5,081 |
| Mar 17, 2026 | Brian P. Weberofficer: EVP (CHESI) | Sale | 4,683 | $293.39 | 48,728 |
| Mar 4, 2026 | Alan S. Mckimdirector, officer: EXEC CHAIR, CTO. | Sale | 100,000 | $292.65 | 2,065,368 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. April Delaney · MD06 | Sale | $50,001 – $100,000 | Aug 25, 2026 | Sep 10, 2026 | |
| Rep. April Delaney · MD06 | Sale | $1,001 – $15,000 | Jul 28, 2026 | Aug 4, 2026 | |
| Rep. April Delaney · MD06 | Sale | $1,001 – $15,000 | Jul 27, 2026 | Aug 4, 2026 | |
| Rep. April Delaney · MD06 | Sale | $1,001 – $15,000 | Jul 24, 2026 | Aug 4, 2026 | |
| Rep. April Delaney · MD06 | Sale | $1,001 – $15,000 | May 1, 2026 | Jun 8, 2026 |