Clean Harbors, Inc (CLH)

Typically moves ±4.89% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-10-28 APPROXIMATE

Clean Harbors, Inc (CLH) has a 21-report earnings history dating back to Aug 04, 2021. Its average absolute post-earnings move is ±4.89%, and 42.9% of those reactions were positive. Its largest post-earnings gain was +10.11% (Aug 03, 2022) and its largest decline was -11.43% (Oct 29, 2025). The next earnings report is predicted for 2026-10-28 (approximate).

Earnings reactions

How CLH moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±4.89%

Positive %

42.9%

Negative %

57.1%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Jul 29, 2026	☀ PRE	+7.34%	open_in_new
May 06, 2026	☀ PRE	-8.17%	open_in_new
Feb 18, 2026	☀ PRE	+3.14%	open_in_new
Oct 29, 2025	☀ PRE	-11.43%	open_in_new
Jul 30, 2025	☀ PRE	-2.93%	open_in_new
Apr 30, 2025	☀ PRE	+0.09%	open_in_new
Feb 19, 2025	☀ PRE	-2.88%	open_in_new
Oct 30, 2024	☀ PRE	-10.66%	open_in_new
Jul 31, 2024	☀ PRE	+6.44%	open_in_new
May 01, 2024	☀ PRE	+7.01%	open_in_new
Feb 21, 2024	☀ PRE	-3.2%	open_in_new
Nov 01, 2023	☀ PRE	-4.09%	open_in_new
Aug 02, 2023	☀ PRE	+0.64%	open_in_new
May 03, 2023	☀ PRE	-5.95%	open_in_new
Mar 01, 2023	☀ PRE	+0.95%	open_in_new
Nov 02, 2022	☀ PRE	-2.05%	open_in_new
Aug 03, 2022	☀ PRE	+10.11%	open_in_new
May 04, 2022	☀ PRE	-4.46%	open_in_new
Feb 23, 2022	☀ PRE	-0.01%	open_in_new
Nov 03, 2021	☀ PRE	-8.29%	open_in_new
Aug 04, 2021	☀ PRE	+2.9%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±4.89%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 41 →

Funds holding

$3935393834

Total value held

Buying

26 added · 13 reduced

Blackrock, Inc.

$1516520650 +5.70%

Janus Henderson Group Plc

$675367739 NEW BUY

State Street Corp

$472623695 +2.91%

Goldman Sachs Group Inc

$268942164 -3.11%

Bank Of America Corp /De/

$142800709 +53.25%

SEC Filing Types

description SCHEDULE 13G/A

2 chevron_right

description 10-Q

1 chevron_right

description SCHEDULE 13G

1 chevron_right

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260818	open_in_new SEC.gov
144	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4/A	20260814	open_in_new SEC.gov
4	20260812	open_in_new SEC.gov

Frequently asked about CLH earnings

When does Clean Harbors, Inc report earnings next? expand_more

Clean Harbors, Inc (CLH)'s next earnings date is approximate for 2026-10-28. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does CLH stock move after earnings? expand_more

Over 21 reports, CLH has moved an average of ±4.89% the session after earnings, closing higher 42.9% of the time.

What was CLH's biggest post-earnings move? expand_more

CLH's largest post-earnings gain on record was +10.11% on Aug 03, 2022, and its largest decline was -11.43% on Oct 29, 2025.

Where can I find Clean Harbors, Inc's SEC filings? expand_more

All of Clean Harbors, Inc's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.