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Shannon River Fund Management’s Clean Harbors CLH Stock Holding History

Shannon River Fund Management’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
-115,870
Closed -$26.9M – 28
2025
Q3 		$26.9M Buy
+115,870
New +$27.4M 4.33% 11

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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

Shannon River Fund Management's CLH Position: Q4 2025 in Review

Shannon River Fund Management sold out of Clean Harbors (CLH) in Q4 2025, closing a stake of 115,870 shares — an estimated $26.9M sold.

Shannon River Fund Management first reported a position in CLH in Q3 2025 and held it in 1 quarter. The position peaked at $26.9M in Q3 2025. 566 funds tracked by Wall St. Rank hold CLH as of Q4 2025.

  • Shannon River Fund Management reported no remaining Clean Harbors position as of Q4 2025 after selling out during the quarter.
  • Shannon River Fund Management sold 115,870 Clean Harbors shares in Q4 2025, an estimated $26.9M.
  • Shannon River Fund Management first reported a position in Clean Harbors in Q3 2025 and held it in 1 quarter.
  • Shannon River Fund Management's Clean Harbors position peaked at $26.9M in Q3 2025.
  • 566 funds tracked by Wall St. Rank held Clean Harbors as of Q4 2025.

Based on Shannon River Fund Management's 13F filing for Q4 2025, filed 17 Feb 2026.