Question 1

Who owns CLH?

Accepted Answer

CLEAN HARBORS INC (CLH) is held by 230 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Question 2

Are institutions buying or selling CLH?

Accepted Answer

In Q1 2026, 131 institutions opened or increased positions in CLEAN HARBORS INC while 94 reduced or exited — a net buying quarter.

Question 3

What is the Smart Money Verdict on CLH?

Accepted Answer

HoldingsIntel scores CLEAN HARBORS INC across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 4 of the 4 carrying data for CLH. In Q1 2026, the institutional leg showed net inflows: 131 buying versus 94 selling.

Question 4

How many hedge funds hold CLH?

Accepted Answer

230 institutional investors report holding CLEAN HARBORS INC (CLH) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into CLH?

Accepted Answer

As of Q1 2026, tracked institutions in CLEAN HARBORS INC show 131 buyers versus 94 sellers — net inflows.

Question 6

Are Congress members and hedge funds both buying CLH?

Accepted Answer

Yes — in the latest quarter, 1 members of Congress and 131 institutional investors bought CLEAN HARBORS INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.8M(+4.4%)	$1.4B	0.0%	+30.49%	33
WELLINGTON MANAGEMENT GROUP LLP	Decreased	3.6M(-31.0%)	$1B	0.2%	+91.73%	0
Janus Henderson Group Ltd.	Decreased	2.4M(-0.9%)	$675.4M	0.3%	+78.27%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.2M	$622M	0.0%	+2.35%	44
FMR LLC	Increased	2.1M(+464.6%)	$602.5M	0.0%	+6.14%	51
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2M	$562.8M	0.0%	+2.35%	44
LONE PINE CAPITAL LLC	Increased	1.8M(+27.3%)	$503.2M	4.0%	+21.40%	72
STATE STREET CORP	Increased	1.5M(+2.3%)	$440.8M	0.0%	+67.58%	32
D1 Capital Partners L.P.	Decreased	1.3M(-51.9%)	$383.7M	3.4%	+32.01%	0
Pictet Asset Management Holding SA	Decreased	1.2M(-34.1%)	$356.1M	0.4%	+46.60%	0
Clearbridge Investments, LLC	Decreased	1.2M(-9.5%)	$344.9M	0.3%	+58.28%	0
Select Equity Group, L.P.	Increased	1.1M(+33.2%)	$324.5M	1.7%	+51.98%	63
DUDurable Capital Partners LP	Increased	1.1M(+25.9%)	$301.3M	3.1%	+22.81%	71
GEODE CAPITAL MANAGEMENT, LLC	Increased	945,892(+3.1%)	$271.3M	0.0%	+194.58%	32
GOLDMAN SACHS GROUP INC	Increased	929,077(+258.1%)	$266.4M	0.0%	+9.01%	50
FIRST TRUST ADVISORS LP	Increased	778,441(+9.9%)	$223.2M	0.2%	+48.60%	40
TWO SIGMA INVESTMENTS, LP	Increased	724,028(+46.9%)	$207.6M	0.2%	+21.66%	50
DIMENSIONAL FUND ADVISORS LP	Decreased	608,709(-1.8%)	$174.5M	0.0%	+114.70%	0
NORDEA INVESTMENT MANAGEMENT AB	Decreased	568,408(-45.4%)	$159.3M	0.1%	+28.96%	0
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Decreased	517,561(-13.1%)	$148.4M	0.0%	+53.99%	0

CLEAN HARBORS INC

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CLEAN HARBORS INC

Smart Money Verdict

Who's Trading

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Other Industrials stocks held by institutions