CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
CLH on NYSE
Shares outstanding
53,497,731
Price per share
$261.54
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
51,402,601
Total reported value
$12,054,929,803
% of total 13F portfolios
0.01%
Share change
+1,765,749
Value change
+$417,411,938
Number of holders
554
Price from insider filings
$261.54
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
WELLINGTON MANAGEMENT GROUP LLP 9.7% -11% $1,316,779,255 -$160,298,310 5,182,538 -11% Wellington Management Group LLP 31 Dec 2025
D1 Capital Partners L.P. 5.2% $706,820,579 2,781,882 D1 Capital Partners L.P. 31 Dec 2025

As of 31 Dec 2025, 554 institutional investors reported holding 51,402,601 shares of CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH). This represents 96% of the company’s total 53,497,731 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH) together control 69% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
WELLINGTON MANAGEMENT GROUP LLP 9.7% 5,182,538 -7% 0.21% $1,215,201,510
BlackRock, Inc. 8.6% 4,601,386 +1.5% 0.02% $1,078,932,990
VANGUARD GROUP INC 8.4% 4,489,676 -1.4% 0.02% $1,052,739,229
D1 Capital Partners L.P. 5.2% 2,781,882 +14% 6.1% $652,295,691
JANUS HENDERSON GROUP PLC 4.4% 2,376,088 +10% 0.25% $557,145,885
Pictet Asset Management Holding SA 3.5% 1,885,730 -9% 0.43% $442,291,801
STATE STREET CORP 2.8% 1,503,096 -0.83% 0.01% $352,445,950
LONE PINE CAPITAL LLC 2.6% 1,378,125 2.4% $323,142,750
Clearbridge Investments, LLC 2.5% 1,329,426 -6.8% 0.25% $311,723,872
SNYDER CAPITAL MANAGEMENT L P 2.1% 1,150,188 +0.15% 5% $269,696,082
NORDEA INVESTMENT MANAGEMENT AB 1.9% 1,040,594 +121% 0.21% $246,724,837
GEODE CAPITAL MANAGEMENT, LLC 1.7% 917,779 +1.2% 0.01% $215,247,172
BESSEMER GROUP INC 1.7% 915,280 -17% 0.33% $214,615,000
Select Equity Group, L.P. 1.6% 849,499 +9.8% 0.92% $199,190,526
Durable Capital Partners LP 1.6% 834,763 +46% 1.9% $195,735,228
FIRST TRUST ADVISORS LP 1.3% 707,994 +8.6% 0.12% $166,010,432
NORGES BANK 1.2% 649,075 0.02% $152,195,106
DIMENSIONAL FUND ADVISORS LP 1.2% 619,612 +0.78% 0.03% $145,297,392
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1.1% 595,465 -4% 0.03% $139,624,634
Palestra Capital Management LLC 1.1% 569,991 4.8% $133,651,490
UBS Group AG 1% 556,202 +189% 0.03% $130,418,244
TWO SIGMA INVESTMENTS, LP 0.92% 492,786 +28% 0.17% $115,548,461
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.89% 477,440 +2.6% 0.02% $111,950,131
NORTHERN TRUST CORP 0.85% 456,800 -3.8% 0.01% $107,110,464
DAVENPORT & Co LLC 0.79% 423,069 -4.9% 0.54% $99,905,839

Institutional Holders of CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 51,402,601 $12,054,929,803 +$417,411,938 $234.48 554
2025 Q3 49,632,637 $11,524,407,684 +$129,075,522 $232.22 564
2025 Q2 49,057,832 $11,339,936,357 +$220,546,953 $231.18 571
2025 Q1 48,132,713 $9,486,829,339 -$267,757,681 $197.10 556
2024 Q4 49,190,576 $11,318,675,533 +$262,256,723 $230.14 567
2024 Q3 47,645,714 $11,518,201,197 -$206,440,377 $241.71 566
2024 Q2 48,462,273 $10,957,194,185 +$163,917,548 $226.15 513
2024 Q1 48,028,810 $9,663,527,003 -$104,220,625 $201.31 477
2023 Q4 48,670,730 $8,502,369,212 -$199,827,249 $174.51 445
2023 Q3 49,703,918 $8,313,963,340 -$68,694,826 $167.36 419
2023 Q2 49,656,143 $8,161,174,373 +$237,225,509 $164.43 413
2023 Q1 48,307,745 $6,880,790,330 +$54,397,810 $142.56 400
2022 Q4 48,270,800 $5,508,677,363 -$63,156,655 $114.12 375
2022 Q3 48,574,843 $5,341,928,254 +$12,636,177 $109.98 356
2022 Q2 48,269,640 $4,230,699,322 +$32,684,062 $87.67 329
2022 Q1 48,204,450 $5,379,590,380 -$13,775,879 $111.64 339
2021 Q4 47,919,689 $4,777,947,706 +$24,888,646 $99.77 323
2021 Q3 48,325,318 $5,019,606,329 +$19,323,880 $103.87 302
2021 Q2 48,163,931 $4,480,710,313 +$48,314,011 $93.14 279
2021 Q1 48,456,862 $4,073,879,610 -$14,134,004 $84.06 286
2020 Q4 48,654,363 $3,703,552,932 -$27,912,119 $76.10 266
2020 Q3 49,215,521 $2,757,664,232 -$66,196,569 $56.03 244
2020 Q2 50,347,632 $3,016,535,526 -$19,174,887 $59.98 253
2020 Q1 50,832,653 $2,607,503,446 -$37,137,106 $51.34 254
2019 Q4 50,947,518 $4,367,657,829 -$14,886,374 $85.75 280
2019 Q3 50,955,299 $3,932,906,321 +$9,028,777 $77.20 268
2019 Q2 51,128,515 $3,634,936,185 -$57,557,785 $71.10 262
2019 Q1 52,052,023 $3,723,210,866 +$48,184,892 $71.53 300
2018 Q4 51,872,847 $2,560,578,895 -$58,156,470 $49.35 277
2018 Q3 52,145,415 $3,731,772,860 -$12,306,420 $71.58 268
2018 Q2 53,255,066 $2,957,213,315 -$9,181,784 $55.55 240
2018 Q1 53,430,070 $2,607,875,501 +$20,845,477 $48.81 235
2017 Q4 52,891,164 $2,867,280,141 -$15,861,691 $54.20 244
2017 Q3 53,064,619 $3,008,128,935 -$58,656,278 $56.70 230
2017 Q2 54,143,321 $3,022,839,658 -$881,218 $55.83 231
2017 Q1 55,202,582 $3,071,343,453 +$251,877,684 $55.62 230
2016 Q4 54,728,698 $3,045,153,512 +$31,762,063 $55.65 233
2016 Q3 54,170,225 $2,598,076,249 +$10,656,238 $47.98 217
2016 Q2 55,270,537 $2,879,997,327 -$24,480,967 $52.11 233
2016 Q1 55,768,951 $2,751,313,579 -$41,844,583 $49.34 221
2015 Q4 56,321,618 $2,345,911,399 -$58,398,547 $41.65 233
2015 Q3 57,730,725 $2,538,445,657 +$50,327,185 $43.97 245
2015 Q2 56,576,417 $3,036,418,868 -$99,266,624 $53.74 246
2015 Q1 58,217,117 $3,302,267,691 -$111,272,543 $56.78 254
2014 Q4 60,529,643 $2,908,922,072 +$198,562,526 $48.05 245
2014 Q3 55,574,059 $2,996,547,365 -$136,500,558 $53.92 246
2014 Q2 57,864,613 $3,713,894,697 -$135,613,241 $64.25 234
2014 Q1 60,434,317 $3,314,327,278 +$114,406,008 $54.79 247