Portolan Capital Management - CLEAN HARBORS INC ownership

CLEAN HARBORS INC's ticker is CLH and the CUSIP is 184496107. A total of 392 filers reported holding CLEAN HARBORS INC in Q1 2023. The put-call ratio across all filers is 0.75 and the average weighting 0.2%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of CLEAN HARBORS INC
ValueSharesWeighting
Q3 2023$1,045,498
-71.0%
6,247
-71.5%
0.10%
-69.4%
Q2 2023$3,610,225
-64.5%
21,956
-69.2%
0.32%
-66.9%
Q1 2023$10,161,249
+966.2%
71,277
+303.1%
0.97%
+348.1%
Q3 2014$953,000
-78.8%
17,681
-74.8%
0.22%
-78.0%
Q2 2014$4,505,000
+59.7%
70,123
+36.2%
0.98%
+51.6%
Q1 2014$2,821,000
-36.6%
51,490
-30.6%
0.65%
-34.2%
Q4 2013$4,451,000
+88.1%
74,241
+84.0%
0.99%
+59.2%
Q3 2013$2,366,000
-30.2%
40,341
-39.8%
0.62%
-35.8%
Q2 2013$3,388,00067,0540.96%
Other shareholders
CLEAN HARBORS INC shareholders Q1 2023
NameSharesValueWeighting ↓
12th Street Asset Management Company, LLC 267,708$44,803,6829.19%
SNYDER CAPITAL MANAGEMENT L P 1,647,268$275,686,7726.22%
Ophir Asset Management Pty Ltd 139,283$23,310,4035.50%
Jackson Square Partners, LLC 728,990$122,003,7664.08%
M.D. Sass, Inc. 174,765$29,248,6703.93%
Telemark Asset Management, LLC 150,000$25,104,0003.81%
SANDLER CAPITAL MANAGEMENT 160,268$26,822,4522.76%
Taika Capital, LP 34,410$5,758,8582.73%
Bullseye Asset Management LLC 26,061$4,3612.43%
Hood River Capital Management LLC 434,446$72,708,8832.33%
View complete list of CLEAN HARBORS INC shareholders