Clean Harbors CLH Institutional Ownership

NYSE CLH

$315.49 -1.64 (-0.52%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

658 Institutions

Increased 305 46.4%

Unchanged 103 15.7%

Reduced 250 38.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

94.40%

▼-3.72 pp QoQ

Shares Held by Institutions

49.85Mn

of 52.81Mn outstanding

▲+10.74% QoQ

Shares Outstanding

52.81Mn

2.95Mn held outside 13F filers

Institutional Investors

658

filed 13F for Jun 2026

▲+37 vs prior quarter

Net Shares Added (QoQ)

+4.84Mn

accumulated since last quarter

Value of Holdings

$15.80Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Clean Harbors Inc (NYSE:CLH) is held by 658 institutional investors per 13F filings through June 2026.

Collectively, these holders controlled 94.4% of Clean Harbors's outstanding shares in June 2026, down from 98.1% in March 2026.
They increased total shares held in CLH by 10.74% quarter over quarter, and investors in Clean Harbors increased 13.25% from a year ago.
Activity in CLH broke down as 305 buyers, 250 sellers, and 103 unchanged among 658 total holders.
Combined, these investors held 49.85Mn shares in CLH for June 2026, up by 4.84Mn shares quarter on quarter, and up 431.38K shares year over year.
BlackRock, Inc. holds the largest position in CLH at 5.08Mn shares as of June 30, 2026, or 9.61% of shares outstanding.
The biggest buyers of Clean Harbors for the quarter ending June 2026 included Jupiter Topco LLC (1.6Mn), FMR LLC (901.48K), NORGES BANK (632.1K), Sixth Street Partners Management Company, L.P. (473.99K), Hood River Capital Management LLC (374.47K).
The largest sellers of Clean Harbors for the quarter ending June 2026 were Pictet Asset Management Holding SA (633.33K), WELLINGTON MANAGEMENT GROUP LLP (421.8K), Select Equity Group, L.P. (403.23K), TWO SIGMA INVESTMENTS, LP (300.92K), BESSEMER GROUP INC (169.0K).
Business Quant data shows the 10 biggest positions in Clean Harbors as of June 2026 are held by BlackRock, Inc. (5.08Mn), WELLINGTON MANAGEMENT GROUP LLP (3.16Mn), FMR LLC (3.0Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.18Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.98Mn), Jupiter Topco LLC (1.6Mn), State Street Corp (1.58Mn), D1 Capital Partners L.P. (1.32Mn), GEODE CAPITAL MANAGEMENT, LLC (1.13Mn), Clearbridge Investments, LLC (1.13Mn).

Form 13F Holdings

658 Institutional Holders

Report period 30 Jun, 2026

Total shares held 49.85Mn

Of outstanding 94.40%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	5,076,220	9.61%	▲273,728	+5.70%	$1.52Bn
2	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,155,233	5.98%	▼421,801	-11.79%	$942.63Mn
3	FMR LLC	0000315066	3,002,654	5.69%	▲901,475	+42.90%	$897.04Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,182,972	4.13%	▲13,608	+0.63%	$652.16Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,983,336	3.76%	▲20,385	+1.04%	$592.52Mn
6	Jupiter Topco LLC	0002146052	1,598,574	3.03%	▲1,598,574	0.00%	$477.57Mn
7	State Street Corp	0000093751	1,582,004	3.00%	▲44,707	+2.91%	$472.62Mn
8	D1 Capital Partners L.P.	0001747057	1,315,501	2.49%	▼22,780	-1.70%	$393.01Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,129,240	2.14%	▲183,348	+19.38%	$337.43Mn
10	Clearbridge Investments, LLC	0001348883	1,126,744	2.13%	▼76,033	-6.32%	$336.61Mn
11	FIRST TRUST ADVISORS LP	0001125816	993,170	1.88%	▲214,729	+27.58%	$296.71Mn
12	SNYDER CAPITAL MANAGEMENT L P	0001050477	922,182	1.75%	▼7,145	-0.77%	$275.50Mn
13	Goldman Sachs Group Inc	0000886982	900,225	1.70%	▼28,852	-3.11%	$268.94Mn
14	Durable Capital Partners LP	0001798849	892,405	1.69%	▼158,568	-15.09%	$266.61Mn
15	FIL Ltd	0000318989	877,433	1.66%	▲367,754	+72.15%	$262.13Mn
16	BESSEMER GROUP INC	0001054074	763,028	1.44%	▼168,999	-18.13%	$227.95K
17	Select Equity Group, L.P.	0001592643	728,374	1.38%	▼403,228	-35.63%	$217.60Mn
18	NORGES BANK	0001374170	632,096	1.20%	▲632,096	0.00%	$188.84Mn
19	Pictet Asset Management Holding SA	0001993888	608,808	1.15%	▼633,334	-50.99%	$181.89Mn
20	DIMENSIONAL FUND ADVISORS LP	0000354204	606,181	1.15%	▼2,528	-0.42%	$181.10Mn

Showing 1 to 20 of 658 holders