Calamos Advisors
CLH icon

Calamos Advisors’s Clean Harbors CLH Stock Holding History

Calamos Advisors’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
2025
Q1 		– Sell
-1,375
Closed -$316K – 914
2024
Q4 		$316K Hold
1,375
– – ﹤0.01% 770
2024
Q3 		$332K Sell
1,375
-2,636
-66% -$620K ﹤0.01% 749
2024
Q2 		$907K Buy
4,011
+230
+6% +$48.2K ﹤0.01% 659
2024
Q1 		$761K Sell
3,781
-13,576
-78% -$2.44M ﹤0.01% 676
2023
Q4 		$3.03M Sell
17,357
-4,348
-20% -$714K 0.01% 565
2023
Q3 		$3.63M Buy
21,705
+8,534
+65% +$1.44M 0.02% 562
2023
Q2 		$2.17M Sell
13,171
-4,327
-25% -$633K 0.01% 654
2023
Q1 		$2.49M Buy
+17,498
New +$2.28M 0.01% 723

Other funds holding CLH

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return
Select Equity Group
Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return
Bessemer Group
Bessemer Group Woodbridge, New Jersey $63.6B AUM 28.76% 1-Year Est. Return

Calamos Advisors's CLH Position: Q1 2025 in Review

Calamos Advisors sold out of Clean Harbors (CLH) in Q1 2025, closing a stake of 1,375 shares — an estimated $316K sold.

Calamos Advisors first reported a position in CLH in Q1 2023 and held it in 8 quarters. The position peaked at $3.63M in Q3 2023. 564 funds tracked by Wall St. Rank hold CLH as of Q1 2025.

  • Calamos Advisors reported no remaining Clean Harbors position as of Q1 2025 after selling out during the quarter.
  • Calamos Advisors sold 1,375 Clean Harbors shares in Q1 2025, an estimated $316K.
  • Calamos Advisors first reported a position in Clean Harbors in Q1 2023 and held it in 8 quarters.
  • Calamos Advisors's Clean Harbors position peaked at $3.63M in Q3 2023.
  • 564 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2025.

Based on Calamos Advisors's 13F filing for Q1 2025, filed 29 Apr 2025.