Millennium Management’s Clean Harbors CLH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-1,000
Closed -$230K 5920
2024
Q4
$230K Sell
1,000
-1,900
-66% -$472K ﹤0.01% 5226
2024
Q3
$701K Buy
2,900
+500
+21% +$118K ﹤0.01% 4559
2024
Q2
$543K Buy
+2,400
New +$503K ﹤0.01% 4534
2015
Q1
Sell
-5,400
Closed -$259K 3630
2014
Q4
$259K Buy
+5,400
New +$263K ﹤0.01% 3448
2014
Q2
Sell
-5,700
Closed -$312K 3447
2014
Q1
$312K Buy
+5,700
New +$311K ﹤0.01% 2909

Other funds holding CLH

Millennium Management's CLH Position: Q1 2026 in Review

Millennium Management increased its Clean Harbors (CLH) stake by 47% in Q1 2026, buying an estimated $5.54M and bringing the position to 63,880 shares worth $18.3M. The position accounts for 0.01% of the portfolio, ranked #1626.

Millennium Management first reported a position in CLH in Q2 2013 and has held it in 44 quarters since. The position peaked at $73.1M in Q3 2022. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Millennium Management held 63,880 shares of Clean Harbors worth $18.3M as of Q1 2026.
  • Millennium Management bought 20,288 Clean Harbors shares in Q1 2026, an estimated $5.54M.
  • Clean Harbors made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1626 holding.
  • Millennium Management first reported a position in Clean Harbors in Q2 2013 and has held it in 44 quarters since.
  • Millennium Management's Clean Harbors position peaked at $73.1M in Q3 2022.
  • 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.