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UBS O'Connor’s Clean Harbors CLH Stock Holding History

UBS O'Connor’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
Q4 		– Sell
-39,450
Closed -$9.16M – 247
2025
Q3 		$9.16M Sell
39,450
-3,550
-8% -$840K 0.27% 44
2025
Q2 		$9.94M Buy
+43,000
New +$9.41M 0.27% 39
2025
Q1 		– Sell
-17,200
Closed -$3.96M – 364
2024
Q4 		$3.96M Sell
17,200
-11,400
-40% -$2.83M 0.1% 104
2024
Q3 		$6.91M Buy
+28,600
New +$6.72M 0.17% 64

Other funds holding CLH

Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
DCP
D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return

UBS O'Connor's CLH Position: Q4 2025 in Review

UBS O'Connor sold out of Clean Harbors (CLH) in Q4 2025, closing a stake of 39,450 shares — an estimated $9.16M sold.

UBS O'Connor first reported a position in CLH in Q3 2024 and held it in 4 quarters. The position peaked at $9.94M in Q2 2025. 566 funds tracked by Wall St. Rank hold CLH as of Q4 2025.

  • UBS O'Connor reported no remaining Clean Harbors position as of Q4 2025 after selling out during the quarter.
  • UBS O'Connor sold 39,450 Clean Harbors shares in Q4 2025, an estimated $9.16M.
  • UBS O'Connor first reported a position in Clean Harbors in Q3 2024 and held it in 4 quarters.
  • UBS O'Connor's Clean Harbors position peaked at $9.94M in Q2 2025.
  • 566 funds tracked by Wall St. Rank held Clean Harbors as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.