Clean Harbors Ownership | Who Owns Clean Harbors?


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Clean Harbors Ownership Summary


Clean Harbors is owned by 88.83% institutional investors, 5.59% insiders, and 5.58% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 8.64% of CLH shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.04% of its assets in Clean Harbors shares.

CLH Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockClean Harbors88.83%5.59%5.58%
SectorIndustrials Stocks 39.35%12.62%48.03%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de4.66M8.64%$1.07B
Vanguard group4.66M8.64%$1.07B
Blackrock4.54M8.43%$1.03B
Wellington management group llp4.04M7.50%$930.71M
Select equity group1.75M3.25%$403.09M
Fmr1.68M3.12%$387.31M
Pictet asset management sa1.66M3.07%$381.60M
Janus henderson group1.61M2.99%$371.00M
Invesco1.59M2.94%$365.48M
State street1.57M2.91%$361.06M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Fulcrum asset management llp16.45K10.90%$3.50M
12th street asset management company186.32K7.07%$42.88M
Snyder capital management l p1.14M5.47%$261.87M
Rivermont capital management lp59.57K5.16%$13.71M
M.d. sass278.36K4.82%$64.06M
Jackson square partners157.69K3.78%$36.29M
Ecofi investissements sa28.50K3.76%$6.08M
Cannell capital71.41K3.37%$16.43M
Spirepoint private client109.56K3.16%$25.22M
Telemark asset management130.00K2.98%$29.92M

Top Buyers

HolderShares% AssetsChange
Pictet asset management sa1.66M0.41%697.63K
Norges bank595.18K0.02%595.18K
Wellington management group llp4.04M0.17%592.34K
Raymond james financial251.83K0.02%251.83K
Ci investments185.09K0.16%168.58K

Top Sellers

HolderShares% AssetsChange
Zurich insurance group ltd/fi---520.91K
Artemis investment management llp---230.86K
Hood river capital management341.70K1.16%-183.03K
Invesco1.59M0.07%-174.47K
C worldwide group43.84K0.12%-137.54K

New Positions

HolderShares% AssetsChangeValue
Norges bank595.18K0.02%595.18K$136.97M
Raymond james financial251.83K0.02%251.83K$57.96M
Adage capital partners gp97.00K0.04%97.00K$22.32M
Rockefeller capital management55.20K0.03%55.20K$12.70M
Bell asset management26.52K1.11%26.52K$6.10M

Sold Out

HolderChange
Quest partners-1.00
Tfo-tdc-1.00
Van hulzen asset management-1.00
Gilliland jeter wealth management-2.00
Newsquare capital-2.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 2025564-3.09%47,753,168-2.07%881.09%2712.26%201-3.37%
Dec 31, 2024462-20.75%39,512,599-15.87%730.97%206-24.26%163-19.70%
Sep 30, 20245778.66%46,843,376-3.52%861.07%267-1.48%20322.29%
Jun 30, 20245266.05%48,429,5432.15%891.16%2668.13%166-1.78%
Mar 31, 20244966.90%47,408,502-2.22%871.09%24618.84%169-7.65%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Mid-Cap ETF1.65M3.04%1.08K
Vanguard Total Stock Mkt Idx Inv1.56M2.87%20.00K
Vanguard US Total Market Shares ETF1.54M2.84%1.19K
Janus Henderson Enterprise D1.30M2.43%87.39K
Janus Inst Mid Cap Growth CF1.30M2.40%380.10K
Vanguard Small Cap Index1.22M2.27%7.29K
AF Global Equity (AFRIS)963.30K1.78%963.30K
Vanguard Institutional Extnd Mkt Idx Tr784.43K1.45%4.02K
Pictet-Security I USD693.29K1.28%-5.67K
Vanguard Small Cap Growth Index Inv677.45K1.26%-661.00

Recent Insider Transactions


DateNameRoleActivityValue
Jun 06, 2025GERSTENBERG ERIC W CO-CEOSell$1.82M
Jun 04, 2025MCKIM ALAN S EXEC CHAIR, CTO.Sell$9.43M
Jun 05, 2025MCKIM ALAN S EXEC CHAIR, CTO.Sell$13.02M
Jun 05, 2025Quirk Alison A.-Sell$199.76K
May 28, 2025Welch John R.-Sell$285.64K

Insider Transactions Trends


DateBuySell
2025 Q2-6
2025 Q115
2024 Q4-6
2024 Q3-3
2024 Q2-3

CLH Ownership FAQ


Who owns the most shares of Clean Harbors?

Clean Harbors’s largest shareholders are Blackrock funding, inc. /de (4.66M shares, 8.64%), Vanguard group (4.66M shares, 8.64%), and Blackrock (4.54M shares, 8.43%). Together, they hold 25.70% of Clean Harbors’s total shares outstanding.

Does Blackrock own Clean Harbors?

Yes, BlackRock owns 8.43% of Clean Harbors, totaling 4.54M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 1.03B$. In the last quarter, BlackRock increased its holdings by 159.32K shares, a 3.63% change.

Who is Clean Harbors’s biggest shareholder by percentage of total assets invested?

Fulcrum asset management llp is Clean Harbors’s biggest shareholder by percentage of total assets invested, with 10.90% of its assets in 16.46K Clean Harbors shares, valued at 3.5M$.

Who is the top mutual fund holder of Clean Harbors shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Clean Harbors shares, with 3.04% of its total shares outstanding invested in 1.65M Clean Harbors shares.

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