CLHNYSEHazardous Waste ManagementFiscal year ends December 31
CLEAN HARBORS INC
Financials through Q1 FY2026, quarter ended Mar 31, 2026Last filing: 10-Q on Jul 29, 2026
$316.61−3.45 (-1.08%)
Close on Oct 19, 2026
- Market cap
- $16.78B
- P/E (TTM)
- 42.8
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
93.7%
49M of 53M shares
Institutional holders
660
99 new, 53 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
1 buys · 16 sales
Net sold $65.04M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Wellington Group Holdings LLP | 5,813,435 | 10.90% | 13G (passive) amendment | Apr 30, 2025 |
| Wellington Investment Advisors Holdings LLP | 5,182,538 | 9.70% | 13G (passive) amendment | Dec 31, 2025 |
| BlackRock, Inc. | 4,393,473 | 8.10% | 13G (passive) amendment | Dec 31, 2023 |
| Wellington Management Company LLP | 3,576,062 | 5.50% | 13G (passive) amendment | Mar 31, 2026 |
| Abigail P. Johnson | 3,002,654 | 5.70% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CLH | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,076,220 | 9.62% | $1.52B | +273,728 | 0.02% |
| Wellington Management Group Llp | 3,155,233 | 5.98% | $942.63M | −421,801 | 0.16% |
| FMR LLC | 3,002,654 | 5.69% | $897.04M | +901,475 | 0.04% |
| Vanguard Capital Management LLC | 2,182,972 | 4.14% | $652.16M | +13,608 | 0.01% |
| Vanguard Portfolio Management LLC | 1,983,336 | 3.76% | $592.52M | +20,385 | 0.03% |
| Jupiter Topco LLC | 1,598,574 | 3.03% | $477.57M | New | 0.19% |
| State Street Corp | 1,582,004 | 3.00% | $472.62M | +44,707 | 0.01% |
| D1 Capital Partners L.P. | 1,315,501 | 2.49% | $393.01M | −22,780 | 1.13% |
| Geode Capital Management, LLC | 1,129,240 | 2.14% | $337.43M | +183,348 | 0.02% |
| Clearbridge Investments, LLC | 1,126,744 | 2.13% | $336.61M | −76,033 | 0.28% |
| First Trust Advisors LP | 993,170 | 1.88% | $296.71M | +214,729 | 0.17% |
| Snyder Capital Management L P | 922,182 | 1.75% | $275.50M | −7,145 | 4.76% |
| Goldman Sachs Group Inc | 900,225 | 1.71% | $268.94M | −28,852 | 0.02% |
| Durable Capital Partners LP | 892,405 | 1.69% | $266.61M | −158,568 | 2.59% |
| FIL Ltd | 877,433 | 1.66% | $262.13M | +367,754 | 0.19% |
| Bessemer Group Inc | 763,028 | 1.45% | $227.95K | −168,999 | 0.31% |
| Select Equity Group, L.P. | 728,374 | 1.38% | $217.60M | −403,228 | 1.08% |
| Norges Bank | 632,096 | 1.20% | $188.84M | New | 0.02% |
| Pictet Asset Management Holding SA | 608,808 | 1.15% | $181.89M | −633,334 | 0.17% |
| Dimensional Fund Advisors LP | 606,181 | 1.15% | $181.10M | −2,528 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 660 | 49M | 93.7% | 99 / 205 | 249 / 53 | 8M | 6M |
| Q1 2026 | 625 | 49M | 93.5% | 115 / 210 | 197 / 50 | 11M | 9M |
| Q4 2025 | 567 | 52M | 98.1% | 91 / 157 | 224 / 85 | 7M | 5M |
| Q3 2025 | 569 | 50M | 94.7% | 74 / 172 | 205 / 76 | 5M | 5M |
| Q2 2025 | 577 | 49M | 93.3% | 75 / 168 | 227 / 58 | 5M | 5M |
| Q1 2025 | 563 | 49M | 92.8% | 89 / 193 | 201 / 89 | 7M | 7M |
| Q4 2024 | 572 | 49M | 93.2% | 78 / 190 | 208 / 69 | 4M | 3M |
| Q3 2024 | 572 | 48M | 90.7% | 89 / 182 | 208 / 31 | 7M | 3M |
| Q2 2024 | 518 | 49M | 92.5% | 83 / 192 | 166 / 43 | 4M | 4M |
| Q1 2024 | 481 | 49M | 93.0% | 75 / 174 | 169 / 41 | 3M | 4M |
| Q4 2023 | 450 | 49M | 93.3% | 69 / 137 | 179 / 32 | 3M | 3M |
| Q3 2023 | 420 | 50M | 94.4% | 41 / 115 | 186 / 34 | 3M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of CLH | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1,699,931 | 3.22% | $507.85M | 0.41% | Jun 30, 2026 |
| Fidelity Contrafund | 1,614,129 | 3.06% | $482.22M | 0.27% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 1,510,662 | 2.86% | $451.31M | 0.02% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 1,090,587 | 2.07% | $325.81M | 0.17% | Jun 30, 2026 |
| First Trust RBA American Industrial Renaissance ETF | 937,190 | 1.78% | $279.99M | 2.44% | Jun 30, 2026 |
| Janus Henderson Enterprise Fund | 867,641 | 1.64% | $259.21M | 1.16% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 629,203 | 1.19% | $187.97M | 0.40% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 569,507 | 1.08% | $170.14M | 0.17% | Jun 30, 2026 |
| Vanguard Explorer Fund | 377,092 | 0.71% | $117.98M | 0.53% | Jul 31, 2026 |
| Fidelity Contrafund K6 | 346,216 | 0.66% | $103.43M | 0.28% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 259,633 | 0.49% | $72.96M | 0.17% | May 31, 2026 |
| Janus Henderson Triton Fund | 257,728 | 0.49% | $77.00M | 1.30% | Jun 30, 2026 |
| Hood River Small-Cap Growth Fund | 252,802 | 0.48% | $75.52M | 1.14% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF | 251,436 | 0.48% | $75.12M | 0.41% | Jun 30, 2026 |
| The Hartford Midcap Fund | 212,389 | 0.40% | $66.45M | 2.07% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Michael Louis Battles | CO-CEO, Director | 94,355 | 0.18% | Aug 12, 2026 |
| Alan S. McKim | EXEC CHAIR, CTO., Director | 2,262,615 | 4.29% | Jul 20, 2026 |
| Eric W. Gerstenberg | CO-CEO | 56,793 | 0.11% | Aug 18, 2026 |
| Eric J. Dugas | EVP CHIEF FINANCIAL OFFICER | 17,620 | 0.03% | Aug 14, 2026 |
| George L. Curtis | EXEC. VICE PRESIDENT (CHESI) | 44,291 | 0.08% | Aug 11, 2026 |
| Sharon M. Gabriel | EVP/CIO (CHESI) | 20,706 | 0.04% | Jul 6, 2026 |
| Rebecca Underwood | PRESIDENT & EVP FACILITIES | 18,373 | 0.03% | Jul 6, 2026 |
| Charles H. Geer II | EVP, Industrial Services | 10,799 | 0.02% | Jul 6, 2026 |
| Brian P. Weber | EVP (CHESI) | 47,914 | 0.09% | Jul 6, 2026 |
| Jeroen Diderich | EVP&President of Sales&Service | 16,152 | 0.03% | Jun 3, 2026 |
| Robert W. Harrison | EVP, EHS | 7,016 | 0.01% | Mar 17, 2026 |
| Robert Speights | PRESIDENT, INDUSTRIAL SERVICES | 16,310 | 0.03% | May 28, 2025 |
| Andrea Robertson | Director | 8,979 | 0.02% | Aug 3, 2026 |
| Lauren States | Director | 11,359 | 0.02% | May 27, 2026 |
| John R. Welch | Director | 10,889 | 0.02% | May 22, 2026 |
| Marcy L. Reed | Director | 5,733 | 0.01% | May 22, 2026 |
| Karyn Polito | Director | 4,127 | 0.01% | May 22, 2026 |
| Robert Willett | Director | 10,028 | 0.02% | May 22, 2026 |
| Edward G. Galante | Director | 25,461 | 0.05% | May 22, 2026 |
| John T. Preston | Director | 7,044 | 0.01% | May 22, 2026 |
| Shelley Stewart JR | Director | 4,523 | 0.01% | May 22, 2026 |
| Alison A. Quirk | Director | 3,630 | 0.01% | May 22, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Eric W. Gerstenberg CO-CEO | Aug 14, 2026 | Sale | −2,500 | $321.34 | $803.35K | 56,793 |
| Andrea Robertson Director | Aug 3, 2026 | Sale | −789 | $314.01 | $247.75K | 8,979 |
| Alan S. McKim EXEC CHAIR, CTO., Director | Jul 17, 2026 | Tax withholding | −1,265 | $310.58 | $392.88K | 30,154 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Jul 1, 2026 | Tax withholding | −447 | $290.74 | $129.96K | 17,620 |
| Eric W. Gerstenberg CO-CEO | Jul 1, 2026 | Tax withholding | −564 | $290.74 | $163.98K | 59,293 |
| Michael Louis Battles CO-CEO, Director | Jul 1, 2026 | Tax withholding | −1,032 | $290.74 | $300.04K | 94,355 |
| George L. Curtis EXEC. VICE PRESIDENT (CHESI) | Jul 1, 2026 | Tax withholding | −1,757 | $290.74 | $510.83K | 44,291 |
| Rebecca Underwood PRESIDENT & EVP FACILITIES | Jul 1, 2026 | Tax withholding | −311 | $290.74 | $90.42K | 18,373 |
| Brian P. Weber EVP (CHESI) | Jul 1, 2026 | Tax withholding | −814 | $290.74 | $236.66K | 47,914 |
| Sharon M. Gabriel EVP/CIO (CHESI) | Jul 1, 2026 | Tax withholding | −359 | $290.74 | $104.38K | 20,706 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Jul 1, 2026 | Tax withholding | −447 | $290.74 | $129.96K | 13,532 |
| Eric W. Gerstenberg CO-CEO | Jul 1, 2026 | Tax withholding | −564 | $290.74 | $163.98K | 38,313 |
| Alan S. McKim EXEC CHAIR, CTO., Director | Jul 1, 2026 | Tax withholding | −1,343 | $290.74 | $390.46K | 31,419 |
| Charles H. Geer II EVP, Industrial Services | Jul 1, 2026 | Tax withholding | −40 | $290.74 | $11.63K | 10,799 |
| Jeroen Diderich EVP&President of Sales&Service | Jun 1, 2026 | Tax withholding | −1,717 | $281.00 | $482.48K | 16,152 |
| Lauren States Director | May 26, 2026 | Sale | −789 | $286.19 | $225.80K | 11,359 |
| Lauren States Director | May 20, 2026 | Award | +652 | – | – | 12,148 |
| John T. Preston Director | May 20, 2026 | Award | +652 | – | – | 7,044 |
| Marcy L. Reed Director | May 20, 2026 | Award | +652 | – | – | 5,733 |
| Karyn Polito Director | May 20, 2026 | Award | +652 | – | – | 4,127 |
| Shelley Stewart JR Director | May 20, 2026 | Award | +652 | – | – | 4,523 |
| Robert Willett Director | May 20, 2026 | Award | +652 | – | – | 10,028 |
| Andrea Robertson Director | May 20, 2026 | Award | +652 | – | – | 9,768 |
| John R. Welch Director | May 20, 2026 | Award | +652 | – | – | 10,889 |
| Edward G. Galante Director | May 20, 2026 | Award | +652 | – | – | 25,461 |
| Alison A. Quirk Director | May 20, 2026 | Award | +652 | – | – | 3,630 |
| Karyn Polito Director | May 11, 2026 | Buy | +460 | $295.13 | $135.76K | 3,475 |
| Karyn Polito Director | May 11, 2026 | Award | +460 | $295.13 | $135.76K | 3,475 |
| Andrea Robertson Director | May 11, 2026 | Gift | −342 | – | – | 9,116 |
| Eric W. Gerstenberg CO-CEO | Mar 18, 2026 | Sale | −1,000 | $293.00 | $293.00K | 59,857 |
| Eric W. Gerstenberg CO-CEO | Mar 18, 2026 | Sale | −1,000 | $293.00 | $293.00K | 38,877 |
| Marcy L. Reed Director | Mar 18, 2026 | Sale | −836 | $287.94 | $240.72K | 5,081 |
| Brian P. Weber EVP (CHESI) | Mar 17, 2026 | Sale | −4,683 | $293.39 | $1.37M | 48,728 |
| Eric W. Gerstenberg CO-CEO | Mar 13, 2026 | Tax withholding | −977 | $288.93 | $282.28K | 63,023 |
| Eric W. Gerstenberg CO-CEO | Mar 13, 2026 | Returned to company | −2,166 | – | – | 60,857 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Mar 13, 2026 | Returned to company | −1,324 | – | – | 18,067 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Mar 13, 2026 | Tax withholding | −630 | $288.93 | $182.03K | 19,391 |
| Brian P. Weber EVP (CHESI) | Mar 13, 2026 | Returned to company | −1,869 | – | – | 53,411 |
| Brian P. Weber EVP (CHESI) | Mar 13, 2026 | Tax withholding | −960 | $288.93 | $277.37K | 55,280 |
| Sharon M. Gabriel EVP/CIO (CHESI) | Mar 13, 2026 | Tax withholding | −727 | $288.93 | $210.05K | 22,466 |
| Sharon M. Gabriel EVP/CIO (CHESI) | Mar 13, 2026 | Returned to company | −1,401 | – | – | 21,065 |
| Rebecca Underwood PRESIDENT & EVP FACILITIES | Mar 13, 2026 | Returned to company | −1,401 | – | – | 18,684 |
| Rebecca Underwood PRESIDENT & EVP FACILITIES | Mar 13, 2026 | Tax withholding | −125 | $288.93 | $36.12K | 20,085 |
| Charles H. Geer II EVP, Industrial Services | Mar 13, 2026 | Returned to company | −139 | – | – | 10,839 |
| George L. Curtis EXEC. VICE PRESIDENT (CHESI) | Mar 13, 2026 | Returned to company | −1,028 | – | – | 46,048 |
| George L. Curtis EXEC. VICE PRESIDENT (CHESI) | Mar 13, 2026 | Tax withholding | −350 | $288.93 | $101.13K | 47,065 |
| Robert W. Harrison EVP, EHS | Mar 13, 2026 | Tax withholding | −18 | $288.93 | $5.20K | 7,016 |
| Robert W. Harrison EVP, EHS | Mar 13, 2026 | Returned to company | −368 | – | – | 6,648 |
| Eric W. Gerstenberg CO-CEO | Mar 13, 2026 | Returned to company | −2,166 | – | – | 39,877 |
| Eric W. Gerstenberg CO-CEO | Mar 13, 2026 | Tax withholding | −977 | $288.93 | $282.28K | 42,043 |
| Alan S. McKim EXEC CHAIR, CTO., Director | Mar 13, 2026 | Tax withholding | −1,265 | $288.93 | $365.50K | 32,762 |
| Michael Louis Battles CO-CEO, Director | Mar 13, 2026 | Tax withholding | −1,148 | $288.93 | $331.69K | 97,538 |
| Michael Louis Battles CO-CEO, Director | Mar 13, 2026 | Returned to company | −2,166 | – | – | 95,387 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Mar 13, 2026 | Tax withholding | −630 | $288.93 | $182.03K | 15,303 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Mar 13, 2026 | Returned to company | −1,324 | – | – | 13,979 |
| Alan S. McKim EXEC CHAIR, CTO., Director | Mar 4, 2026 | Sale | −100,000 | $292.65 | $29.26M | 2,065,368 |
| Eric W. Gerstenberg CO-CEO | Feb 23, 2026 | Sale | −2,500 | $279.86 | $699.65K | 64,000 |
| Eric W. Gerstenberg CO-CEO | Feb 23, 2026 | Sale | −2,500 | $279.86 | $699.65K | 43,020 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Feb 20, 2026 | Sale | −2,788 | $281.31 | $784.29K | 20,021 |
| Eric J. Dugas EVP CHIEF FINANCIAL OFFICER | Feb 20, 2026 | Sale | −2,788 | $281.31 | $784.29K | 15,933 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Eric W. Gerstenberg Officer | Aug 14, 2026 | 2,500 | $805.00K | Aug 14, 2026 | Equity Comp |
| Robertson Andrea Director | Aug 3, 2026 | 789 | $247.75K | Aug 3, 2026 | Restricted Stock |
| States Lauren Director | May 26, 2026 | 789 | $225.80K | May 26, 2026 | Restricted Stock |
| Eric W. Gerstenberg Officer | Mar 18, 2026 | 1,000 | $290.00K | Mar 18, 2026 | Equity Comp |
| Reed Marcy Director | Mar 18, 2026 | 836 | $240.71K | Mar 18, 2026 | Restricted Stock |
| Weber Brian Officer | Mar 17, 2026 | 4,683 | $1.37M | Mar 17, 2026 | Restricted Stock |
| S. McKim Alan Officer | Mar 4, 2026 | 100,000 | $29.30M | Mar 4, 2026 | Acquired from public market |
| Eric W. Gerstenberg Officer | Feb 23, 2026 | 2,500 | $712.00K | Feb 23, 2026 | Equity Comp |
| Dugas Eric Officer | Feb 20, 2026 | 2,788 | $784.29K | Feb 20, 2026 | Restricted Stock |
| M. Gabriel Sharon Officer | Feb 20, 2026 | 3,540 | $998.53K | Feb 20, 2026 | Restricted Stock |
| S. McKim Alan Officer | Feb 19, 2026 | 108,567 | $30.54M | Feb 19, 2026 | Acquired from public market |
| Welch John Director | Feb 19, 2026 | 750 | $204.81K | Feb 19, 2026 | Restricted Stock |
| Eric W. Gerstenberg Officer | Dec 16, 2025 | 601 | $145.00K | Dec 15, 2025 | Equity Comp |
| Robertson Andrea Director | Jul 31, 2025 | 836 | $195.32K | Jul 31, 2025 | Restricted Stock |
| Weber Brian Officer | Jun 13, 2025 | 3,035 | $689.45K | Jun 13, 2025 | Restricted Stock |