EIM
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Essex Investment Management’s Clean Harbors CLH Stock Holding History

Essex Investment Management’s Portfolio CLH Stock Details CLH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$55.3K Hold
193
– – 0.01% 250
2025
Q4 		$45.3K Hold
193
– – 0.01% 260
2025
Q3 		$44.8K Hold
193
– – 0.01% 255
2025
Q2 		$44.6K Hold
193
– – 0.01% 250
2025
Q1 		$38K Hold
193
– – 0.01% 259
2024
Q4 		$44.4K Sell
193
-274
-59% -$68.1K 0.01% 251
2024
Q3 		$113K Hold
467
– – 0.02% 224
2024
Q2 		$106K Sell
467
-65
-12% -$13.6K 0.02% 223
2024
Q1 		$107K Sell
532
-214
-29% -$38.5K 0.02% 222
2023
Q4 		$130K Sell
746
-5,377
-88% -$883K 0.03% 233
2023
Q3 		$1.02M Sell
6,123
-2,677
-30% -$451K 0.17% 197
2023
Q2 		$1.45M Sell
8,800
-1,183
-12% -$173K 0.2% 156
2023
Q1 		$1.42M Sell
9,983
-4,765
-32% -$621K 0.21% 149
2022
Q4 		$1.68M Buy
14,748
+3,208
+28% +$375K 0.26% 115
2022
Q3 		$1.27M Hold
11,540
– – 0.2% 155
2022
Q2 		$1.01M Sell
11,540
-1,730
-13% -$167K 0.16% 194
2022
Q1 		$1.48M Sell
13,270
-578
-4% -$57.1K 0.18% 176
2021
Q4 		$1.38M Sell
13,848
-18
-0.1% -$1.9K 0.16% 196
2021
Q3 		$1.44M Hold
13,866
– – 0.18% 186
2021
Q2 		$1.29M Sell
13,866
-80
-0.6% -$7.27K 0.15% 211
2021
Q1 		$1.17M Buy
13,946
+10,870
+353% +$914K 0.14% 219
2020
Q4 		$234K Hold
3,076
– – 0.03% 344
2020
Q3 		$172K Hold
3,076
– – 0.02% 358
2020
Q2 		$184K Buy
+3,076
New +$171K 0.03% 316
2013
Q3 		– Sell
-5,373
Closed -$271K – 364
2013
Q2 		$271K Buy
+5,373
New +$299K 0.05% 284

Other funds holding CLH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
LPC
Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
DCP
D1 Capital Partners New York $11.2B AUM 15.78% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Essex Investment Management's CLH Position: Q1 2026 in Review

Essex Investment Management held its Clean Harbors (CLH) position steady in Q1 2026 at 193 shares worth $55.3K. The position accounts for 0.01% of the portfolio, ranked #250.

Essex Investment Management first reported a position in CLH in Q2 2013 and has held it in 25 quarters since. The position peaked at $1.68M in Q4 2022. 624 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Essex Investment Management held 193 shares of Clean Harbors worth $55.3K as of Q1 2026.
  • Essex Investment Management left its Clean Harbors share count unchanged in Q1 2026.
  • Clean Harbors made up 0.01% of Essex Investment Management's portfolio in Q1 2026, its #250 holding.
  • Essex Investment Management first reported a position in Clean Harbors in Q2 2013 and has held it in 25 quarters since.
  • Essex Investment Management's Clean Harbors position peaked at $1.68M in Q4 2022.
  • 624 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.