MDSL
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M.D. Sass LLC’s Clean Harbors CLH Stock Holding History

M.D. Sass LLC’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
Q2 		$80.8M Buy
270,507
+17,967
+7% +$5.31M 5.28% 4
2026
Q1 		$72.4M Sell
252,540
-81,658
-24% -$22.3M 5.49% 4
2025
Q4 		$78.4M Buy
334,198
+74,538
+29% +$17M 6.18% 3
2025
Q3 		$60.3M Sell
259,660
-69,209
-21% -$16.4M 4.91% 7
2025
Q2 		$76M Sell
328,869
-18,466
-5% -$4.04M 6.12% 3
2025
Q1 		$68.5M Buy
347,335
+68,977
+25% +$15.1M 6.03% 2
2024
Q4 		$64.1M Sell
278,358
-46,560
-14% -$11.6M 4.82% 6
2024
Q3 		$78.5M Sell
324,918
-2,559
-0.8% -$602K 5.81% 4
2024
Q2 		$74.1M Buy
327,477
+102,309
+45% +$21.4M 5.32% 5
2024
Q1 		$45.3M Sell
225,168
-1,235
-0.5% -$222K 5.11% 5
2023
Q4 		$39.5M Buy
226,403
+51,638
+30% +$8.48M 4.75% 9
2023
Q3 		$29.2M Buy
174,765
+36,905
+27% +$6.22M 3.93% 15
2023
Q2 		$22.7M Buy
+137,860
New +$20.2M 3.01% 15

Other funds holding CLH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JT
Jupiter Topco New York $245B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DCP
D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

M.D. Sass LLC's CLH Position: Q2 2026 in Review

M.D. Sass LLC increased its Clean Harbors (CLH) stake by 7.1% in Q2 2026, buying an estimated $5.31M and bringing the position to 270,507 shares worth $80.8M. The position accounts for 5.28% of the portfolio, ranked #4.

M.D. Sass LLC first reported a position in CLH in Q2 2023 and has held it in 13 quarters since. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

  • M.D. Sass LLC held 270,507 shares of Clean Harbors worth $80.8M as of Q2 2026.
  • M.D. Sass LLC bought 17,967 Clean Harbors shares in Q2 2026, an estimated $5.31M.
  • Clean Harbors made up 5.28% of M.D. Sass LLC's portfolio in Q2 2026, its #4 holding.
  • M.D. Sass LLC first reported a position in Clean Harbors in Q2 2023 and has held it in 13 quarters since.
  • 660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on M.D. Sass LLC's 13F filing for Q2 2026, filed 7 Aug 2026.