Clean Harbors Ownership | Who Owns Clean Harbors?
Clean Harbors Ownership Summary
Clean Harbors is owned by 56.07% institutional investors, 5.61% insiders, and 38.33% retail investors. Wellington management group llp is the largest institutional shareholder, holding 10.40% of CLH shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.06% of its assets in Clean Harbors shares.
CLH Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Clean Harbors | 56.07% | 5.61% | 38.33% |
| Sector | Industrials Stocks | 47.69% | 12.55% | 39.76% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Wellington management group llp | 5.57M | 10.40% | $1.29B |
| Blackrock funding, inc. /de | 4.60M | 8.60% | $1.08B |
| Blackrock | 4.54M | 8.43% | $1.03B |
| Vanguard group | 4.49M | 8.39% | $1.05B |
| D1 capital partners | 2.45M | 4.56% | $567.91M |
| Pictet asset management sa | 1.89M | 3.52% | $442.29M |
| Janus henderson group | 1.61M | 2.99% | $371.00M |
| State street | 1.52M | 2.83% | $351.96M |
| Clearbridge investments | 1.33M | 2.48% | $311.72M |
| Snyder capital management l p | 1.15M | 2.15% | $269.70M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| 12th street asset management company | 210.24K | 8.12% | $49.30M |
| Rivermont capital management lp | 122.65K | 7.52% | $28.48M |
| D1 capital partners | 2.45M | 6.52% | $567.91M |
| Axon capital lp | 31.00K | 6.22% | $7.27B |
| M.d. sass | 334.20K | 6.18% | $78.36M |
| Charter oak advisors lp | 64.59K | 5.38% | $15.00M |
| Snyder capital management l p | 1.15M | 5.03% | $269.70M |
| Shannon river fund management | 115.87K | 4.33% | $26.91M |
| Pacific capital partners | 14.75K | 3.67% | $3.46M |
| Bullseye asset management | 25.72K | 3.13% | $5.97M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| D1 capital partners | 2.45M | 6.52% | 1.00M |
| Norges bank | 649.08K | 0.02% | 649.08K |
| Durable capital partners lp | 573.67K | 0.99% | 573.67K |
| Nordea investment management ab | 1.04M | 0.21% | 569.39K |
| Ubs group | 556.20K | 0.02% | 363.71K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Zurich insurance group ltd/fi | - | - | -520.91K |
| Handelsbanken fonder ab | 105.62K | 0.07% | -287.50K |
| Artemis investment management llp | - | - | -230.86K |
| Fmr | 29.77K | 0.00% | -212.71K |
| Wellington management group llp | 5.57M | 0.23% | -190.85K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 649.08K | 0.02% | 649.08K | $152.20M |
| Durable capital partners lp | 573.67K | 0.99% | 573.67K | $133.22M |
| Grantham, mayo, van otterloo | 124.56K | 0.08% | 124.56K | $28.92B |
| Shannon river fund management | 115.87K | 4.33% | 115.87K | $26.91M |
| Gcm grosvenor | 75.70K | 2.67% | 75.70K | $17.58M |
Sold Out
| Holder | Change |
|---|---|
| Newsquare capital | -1.00 |
| Tfo-tdc | -1.00 |
| Stephens consulting | -2.00 |
| Breakwater investment management | -2.00 |
| Cornerstone planning group | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 424 | -26.26% | 30,005,021 | -39.54% | 56 | 0.65% | 162 | -34.41% | 171 | -15.35% |
| Sep 30, 2025 | 549 | -5.34% | 47,325,852 | -3.44% | 88 | 1.06% | 235 | -2.89% | 197 | -12.44% |
| Jun 30, 2025 | 571 | - | 48,854,685 | 1.65% | 91 | 1.14% | 242 | -12.95% | 218 | 8.46% |
| Mar 31, 2025 | 564 | -3.09% | 47,753,168 | -2.07% | 88 | 1.09% | 271 | 2.26% | 201 | -3.37% |
| Dec 31, 2024 | 462 | -20.75% | 39,512,599 | -15.87% | 73 | 0.97% | 206 | -24.26% | 163 | -19.70% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.62M | 3.06% | 31.20K |
| Vanguard Total Stock Mkt Idx Inv | 1.52M | 2.87% | 3.27K |
| Vanguard US Total Market Shares ETF | 1.54M | 2.84% | 1.19K |
| Janus Inst Mid Cap Growth CF | 1.44M | 2.73% | 142.66K |
| Janus Henderson Enterprise D | 1.44M | 2.73% | - |
| Janus Henderson Mid Cap Growth MA | 1.30M | 2.46% | 1.30M |
| Vanguard Small Cap Index | 1.09M | 2.06% | -294.00 |
| Pictet-Water I EUR | 1.02M | 1.92% | -5.11K |
| AF Global Equity (AFRIS) | 963.30K | 1.78% | 963.30K |
| Nordea 1 - Global Climate & Envir BI EUR | 776.92K | 1.47% | -11.76K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 04, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | Sell | $29.27M |
| Feb 23, 2026 | GERSTENBERG ERIC W | CO-CEO | Sell | $699.65K |
| Feb 19, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | Sell | $28.11M |
| Feb 20, 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | Sell | $998.53K |
| Feb 20, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | Sell | $784.29K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 6 |
| 2025 Q4 | - | 1 |
| 2025 Q3 | 1 | 1 |
| 2025 Q2 | - | 8 |
| 2025 Q1 | 1 | 5 |
CLH Ownership FAQ
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