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Custom Index Systems’s Clean Harbors CLH Stock Holding History

Custom Index Systems’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 		$1.01M Sell
3,379
-41
-1% -$12.1K 0.36% 70
2026
Q1 		$981K Sell
3,420
-221
-6% -$60.3K 0.43% 58
2025
Q4 		$854K Sell
3,641
-1,086
-23% -$248K 0.38% 74
2025
Q3 		$1.1M Buy
4,727
+1,655
+54% +$392K 0.33% 89
2025
Q2 		$710K Buy
3,072
+1,282
+72% +$281K 0.34% 87
2025
Q1 		$353K Sell
1,790
-49
-3% -$10.7K 0.18% 184
2024
Q4 		$423K Sell
1,839
-190
-9% -$47.2K 0.23% 129
2024
Q3 		$490K Buy
+2,029
New +$477K 0.27% 113

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

Custom Index Systems's CLH Position: Q2 2026 in Review

Custom Index Systems reduced its Clean Harbors (CLH) stake by 1.2% in Q2 2026, selling an estimated $12.1K and leaving 3,379 shares worth $1.01M. The position accounts for 0.36% of the portfolio, ranked #70.

Custom Index Systems first reported a position in CLH in Q3 2024 and has held it in 8 quarters since. The position peaked at $1.1M in Q3 2025. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

  • Custom Index Systems held 3,379 shares of Clean Harbors worth $1.01M as of Q2 2026.
  • Custom Index Systems sold 41 Clean Harbors shares in Q2 2026, an estimated $12.1K.
  • Clean Harbors made up 0.36% of Custom Index Systems's portfolio in Q2 2026, its #70 holding.
  • Custom Index Systems first reported a position in Clean Harbors in Q3 2024 and has held it in 8 quarters since.
  • Custom Index Systems's Clean Harbors position peaked at $1.1M in Q3 2025.
  • 660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.