Clean Harbors Ownership | Who Owns Clean Harbors?
Clean Harbors Ownership Summary
Clean Harbors is owned by 44.30% institutional investors, 4.96% insiders, and 50.73% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.03% of CLH shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.21% of its assets in Clean Harbors shares.
CLH Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Clean Harbors | 44.30% | 4.96% | 50.73% |
| Sector | Industrials Stocks | 49.61% | 15.69% | 34.70% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 4.80M | 9.03% | $1.38B |
| Blackrock | 4.54M | 8.43% | $1.03B |
| Vanguard group | 4.49M | 8.39% | $1.05B |
| Wellington management group llp | 3.58M | 6.73% | $1.03B |
| Janus henderson group | 2.36M | 4.43% | $675.37M |
| Fmr | 2.10M | 3.95% | $602.47M |
| Lone pine capital | 1.75M | 3.30% | $503.20M |
| State street | 1.54M | 2.89% | $440.79M |
| D1 capital partners | 1.34M | 2.52% | $383.73M |
| Pictet asset management sa | 1.24M | 2.34% | $356.09M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Consolidated press | 2.20K | 100.00% | $630.81K |
| Visualize group lp | 96.30K | 11.37% | $27.61M |
| Charter oak advisors lp | 63.21K | 10.99% | $18.13M |
| 12th street asset management company | 204.72K | 9.60% | $58.70M |
| Gallo partners, lp | 10.05K | 5.51% | $2.88M |
| M.d. sass | 252.54K | 5.49% | $72.41M |
| Snyder capital management l p | 929.33K | 5.17% | $266.47M |
| Lansing management lp | 23.51K | 4.48% | $6.74M |
| Shannon river fund management | 115.87K | 4.33% | $26.91M |
| Bullseye asset management | 25.72K | 4.27% | $7.38M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 2.10M | 0.03% | 1.73M |
| Goldman sachs group | 929.08K | 0.03% | 669.62K |
| Norges bank | 649.08K | 0.02% | 649.08K |
| T. rowe price investment management | 477.29K | 0.09% | 443.21K |
| Lone pine capital | 1.75M | 4.01% | 376.82K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 3.58M | 0.19% | -1.61M |
| D1 capital partners | 1.34M | 3.42% | -1.44M |
| Pictet asset management sa | 1.24M | 0.38% | -643.59K |
| Palestra capital management | - | - | -569.99K |
| Zurich insurance group ltd/fi | - | - | -520.91K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 649.08K | 0.02% | 649.08K | $152.20M |
| Vanguard fiduciary trust | 309.65K | 0.02% | 309.65K | $88.79M |
| Mirova | 130.68K | 1.52% | 130.68K | $37.47M |
| Shannon river fund management | 115.87K | 4.33% | 115.87K | $26.91M |
| Visualize group lp | 96.30K | 11.37% | 96.30K | $27.61M |
Sold Out
| Holder | Change |
|---|---|
| Dunhill financial | -1.00 |
| Newsquare capital | -1.00 |
| Tfo-tdc | -1.00 |
| Stephens consulting | -2.00 |
| Rakuten securities | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 420 | -26.96% | 23,564,664 | -54.21% | 44 | 0.48% | 203 | -16.80% | 133 | -40.89% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.70M | 3.21% | -848.00 |
| Vanguard Total Stock Mkt Idx Inv | 1.51M | 2.84% | 3.62K |
| Vanguard US Total Market Shares ETF | 1.54M | 2.84% | 1.19K |
| Janus Inst Mid Cap Growth CF | 1.44M | 2.73% | - |
| Janus Henderson Enterprise D | 1.44M | 2.71% | - |
| Janus Henderson Mid Cap Growth MA | 1.30M | 2.46% | 1.30M |
| Fidelity Contrafund | 1.12M | 2.12% | 680.50K |
| Vanguard Small Cap Index | 1.10M | 2.06% | -2.36K |
| AF Global Equity (AFRIS) | 963.30K | 1.78% | 963.30K |
| First Trust RBA Amer Indl RenaisTM ETF | 868.23K | 1.64% | 3.26K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 26, 2026 | States Lauren | - | Sell | $225.80K |
| May 11, 2026 | Polito Karyn | - | Buy | $135.76K |
| Mar 18, 2026 | GERSTENBERG ERIC W | CO-CEO | Sell | $293.00K |
| Mar 18, 2026 | Reed Marcy L. | - | Sell | $240.72K |
| Mar 17, 2026 | Weber Brian P | EVP (CHESI) | Sell | $1.37M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | 1 | 1 |
| 2026 Q1 | - | 9 |
| 2025 Q4 | - | 1 |
| 2025 Q3 | 1 | 1 |
| 2025 Q2 | - | 8 |
CLH Ownership FAQ
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