CLH
Clean Harbors In (CLH)
NYSE
$294.77+$0.93 (+0.32%)
Price as of Nov 13, 2026 1:00 PM EST
  • $15.5B
    Market Cap
  • 43.83%
    1-Year Change
  • Waste Management
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WELLINGTON MANAGEMENT CO LLP
12.82%
6.8M
+239,472 (+3.54%)
Dec 31, 2021
BLACKROCK, INC.
9.63%
5.1M
+273,728 (+5.39%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
8.84%
4.7M
+28,578 (+0.61%)
Dec 31, 2024
BLACKROCK INC.
8.62%
4.5M
+159,317 (+3.51%)
Jun 30, 2024
VANGUARD GROUP INC
8.51%
4.5M
-62,721 (-1.40%)
Dec 31, 2025
WELLINGTON MANAGEMENT GROUP LLP
5.98%
3.2M
-421,801 (-13.37%)
Jun 30, 2026
FMR LLC
5.87%
3.1M
+90,405 (+2.92%)
Sep 30, 2026

Current Ownership Distribution

  • Mutual Funds1.2B (56.78%)
  • Institutions944.7M (43.16%)
  • Insiders1.3M (0.06%)
  • Other0 (0.00%)

Insider Transactions

  • 0.06% (1.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $69.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Geer Charles H. II
EVP, Industrial Services
In Kind
Nov 02, 2026
$88,823.28
294
$302.12
10,505
GERSTENBERG ERIC W
CO-CEO
Sell
Aug 14, 2026
$803,350.00
2,500
$321.34
56,793
Robertson Andrea
Sell
Aug 03, 2026
$247,753.89
789
$314.01
8,979
Underwood Rebecca
PRESIDENT & EVP FACILITIES
In Kind
Jul 01, 2026
$90,420.14
311
$290.74
18,373
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
In Kind
Jul 01, 2026
$129,960.78
447
$290.74
13,532
MCKIM ALAN S
EXEC CHAIR, CTO.
In Kind
Jul 01, 2026
$390,463.82
1,343
$290.74
31,419
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
In Kind
Jul 01, 2026
$510,830.18
1,757
$290.74
44,291
GERSTENBERG ERIC W
CO-CEO
Sell
Mar 18, 2026
$293,000.00
1,000
$293.00
38,877
Reed Marcy L.
Sell
Mar 18, 2026
$240,717.84
836
$287.94
5,081
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
Battles Michael Louis
CO-CEO
In Kind
Mar 13, 2026
$331,691.64
1,148
$288.93
97,538
Weber Brian P
EVP (CHESI)
In Kind
Mar 13, 2026
$277,372.80
960
$288.93
55,280
Gabriel Sharon M.
EVP/CIO (CHESI)
In Kind
Mar 13, 2026
$210,052.11
727
$288.93
22,466
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
In Kind
Mar 13, 2026
$101,125.50
350
$288.93
47,065
GERSTENBERG ERIC W
CO-CEO
In Kind
Mar 13, 2026
$282,284.61
977
$288.93
42,043
Weber Brian P
EVP (CHESI)
Return
Mar 13, 2026
$0.00
1,869
$0.00
53,411
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
Return
Mar 13, 2026
$0.00
1,324
$0.00
13,979
Harrison Robert W.
EVP, EHS
Return
Mar 13, 2026
$0.00
368
$0.00
6,648
Battles Michael Louis
CO-CEO
Return
Mar 13, 2026
$0.00
2,166
$0.00
95,387
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
Return
Mar 13, 2026
$0.00
1,028
$0.00
46,048
Gabriel Sharon M.
EVP/CIO (CHESI)
Return
Mar 13, 2026
$0.00
1,401
$0.00
21,065
GERSTENBERG ERIC W
CO-CEO
Return
Mar 13, 2026
$0.00
2,166
$0.00
39,877
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
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
Diderich Jeroen
EVP&President of Sales&Service
In Kind
Feb 02, 2026
$27,290.55
105
$259.91
13,667