CLH
Clean Harbors In (CLH)
NYSE
$289.39+$0.02 (+0.009%)
Price as of Jun 23, 2026 4:10 PM EDT
  • $15.3B
    Market Cap
  • 25.81%
    1-Year Change
  • Waste Management
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WELLINGTON MANAGEMENT CO LLP
12.79%
6.8M
+239,472 (+3.54%)
Dec 31, 2021
BLACKROCK, INC.
9.09%
4.8M
+201,106 (+4.19%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
8.82%
4.7M
+28,578 (+0.61%)
Dec 31, 2024
BLACKROCK INC.
8.60%
4.5M
+159,317 (+3.51%)
Jun 30, 2024
VANGUARD GROUP INC
8.50%
4.5M
-62,721 (-1.40%)
Dec 31, 2025
WELLINGTON MANAGEMENT GROUP LLP
6.77%
3.6M
-1.6M (-44.88%)
Mar 31, 2026
JANUS HENDERSON GROUP PLC
4.46%
2.4M
-20,694 (-0.88%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds1.1B (54.92%)
  • Institutions881.7M (45.01%)
  • Insiders1.3M (0.07%)
  • Other0 (0.00%)

Insider Transactions

  • 0.07% (1.3M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $18.9M
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $49.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Reed Marcy L.
Sell
Mar 18, 2026
$240,717.84
836
$287.94
5,081
GERSTENBERG ERIC W
CO-CEO
Sell
Mar 18, 2026
$293,000.00
1,000
$293.00
38,877
Weber Brian P
EVP (CHESI)
Sell
Mar 17, 2026
$1.4M
4,683
$293.39
48,728
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
In Kind
Mar 13, 2026
$182,025.90
630
$288.93
15,303
Harrison Robert W.
EVP, EHS
In Kind
Mar 13, 2026
$5,200.74
18
$288.93
7,016
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
In Kind
Mar 13, 2026
$101,125.50
350
$288.93
47,065
Gabriel Sharon M.
EVP/CIO (CHESI)
In Kind
Mar 13, 2026
$210,052.11
727
$288.93
22,466
Battles Michael Louis
CO-CEO
In Kind
Mar 13, 2026
$331,691.64
1,148
$288.93
97,538
Harrison Robert W.
EVP, EHS
Return
Mar 13, 2026
$0.00
368
$0.00
6,648
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
Return
Mar 13, 2026
$0.00
1,028
$0.00
46,048
GERSTENBERG ERIC W
CO-CEO
In Kind
Mar 13, 2026
$282,284.61
977
$288.93
42,043
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
Return
Mar 13, 2026
$0.00
1,324
$0.00
13,979
Gabriel Sharon M.
EVP/CIO (CHESI)
Return
Mar 13, 2026
$0.00
1,401
$0.00
21,065
Battles Michael Louis
CO-CEO
Return
Mar 13, 2026
$0.00
2,166
$0.00
95,387
Weber Brian P
EVP (CHESI)
In Kind
Mar 13, 2026
$277,372.80
960
$288.93
55,280
GERSTENBERG ERIC W
CO-CEO
Return
Mar 13, 2026
$0.00
2,166
$0.00
39,877
Weber Brian P
EVP (CHESI)
Return
Mar 13, 2026
$0.00
1,869
$0.00
53,411
Gabriel Sharon M.
EVP/CIO (CHESI)
Sell
Feb 20, 2026
$998,527.80
3,540
$282.07
23,193
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
Sell
Feb 20, 2026
$784,292.28
2,788
$281.31
15,933
Welch John R.
Sell
Feb 19, 2026
$204,802.50
750
$273.07
10,237
Battles Michael Louis
CO-CEO
In Kind
Feb 02, 2026
$1.4M
5,205
$259.91
77,706
Underwood Rebecca
PRESIDENT & EVP FACILITIES
In Kind
Feb 02, 2026
$110,461.75
425
$259.91
16,859
GERSTENBERG ERIC W
CO-CEO
In Kind
Feb 02, 2026
$1.3M
4,934
$259.91
45,520
Harrison Robert W.
EVP, EHS
In Kind
Feb 02, 2026
$47,823.44
184
$259.91
5,601
Geer Charles H. II
EVP, Industrial Services
In Kind
Feb 02, 2026
$51,202.27
197
$259.91
8,617
Diderich Jeroen
EVP&President of Sales&Service
In Kind
Feb 02, 2026
$27,290.55
105
$259.91
13,667
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
In Kind
Feb 02, 2026
$147,368.97
567
$259.91
18,721
Gabriel Sharon M.
EVP/CIO (CHESI)
In Kind
Feb 02, 2026
$132,034.28
508
$259.91
26,733
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
In Kind
Feb 02, 2026
$64,717.59
249
$259.91
47,415
Weber Brian P
EVP (CHESI)
In Kind
Feb 02, 2026
$362,314.54
1,394
$259.91
52,018