13F Insight
DOSSIER · 13F Holders · Q1 2026Utilities · Hazardous Waste ManagementMost-boughtAI cap-ex
CLH

CLEAN HARBORS INC

644 institutions still hold CLEAN HARBORS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 184496107·Hazardous Waste Management·644 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 9.5%
vs prior quarter
13F value held
$8.8B
70.0% inst. owned
of float
Holders
644
+3 QoQ
filers reporting
Activity
+54 / −46
+855 added · −819 reduced
this quarter
Concentration
15.68%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

644 institutions reported CLH in Q1 2026. BlackRock, Inc. leads at 15.7% of the visible book. +3 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.4B4.8M0.02%Q1 202602
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$1.0B3.6M0.19%Q1 202603
JANUS HENDERSON GROUP PLC
CIK 0001274173
$675M2.4M0.32%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$622M2.2M0.02%Q1 202605
FMR LLC
CIK 0000315066
$602M2.1M0.03%Q1 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$563M2.0M0.03%Q1 202607
STATE STREET CORP
CIK 0000093751
$441M1.5M0.02%Q1 202608
D1 Capital Partners L.P.
CIK 0001747057
$384M1.3M3.42%Q1 202609
Pictet Asset Management Holding SA
CIK 0001993888
$356M1.2M0.38%Q1 202610
Clearbridge Investments, LLC
CIK 0001348883
$345M1.2M0.30%Q1 202611
LONE PINE CAPITAL LLC
CIK 0001061165
$323M1.4M2.37%Q4 202512
Durable Capital Partners LP
CIK 0001798849
$301M1.1M3.10%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$271M946K0.02%Q1 202614
SNYDER CAPITAL MANAGEMENT L P
CIK 0001050477
$266M929K5.17%Q1 202615
GOLDMAN SACHS GROUP INC
CIK 0000886982
$266M929K0.03%Q1 202616
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$223M778K0.16%Q1 202617
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$208M724K0.17%Q1 202618
Select Equity Group, L.P.
CIK 0001592643
$199M849K0.86%Q4 202519
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$175M609K0.04%Q1 202620
NORDEA INVESTMENT MANAGEMENT AB
CIK 0001218210
$159M568K0.15%Q1 2026
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