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HighVista Strategies’s Clean Harbors CLH Stock Holding History

HighVista Strategies’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 		– Sell
-5,543
Closed -$1.59M – 156
2026
Q1 		$1.59M Sell
5,543
-700
-11% -$191K 0.44% 70
2025
Q4 		$1.46M Sell
6,243
-2,863
-31% -$654K 0.38% 73
2025
Q3 		$2.11M Buy
+9,106
New +$2.16M 0.52% 59
2017
Q1 		– Sell
-55,200
Closed -$3.07M – 152
2016
Q4 		$3.07M Buy
+55,200
New +$2.78M 0.6% 47
2016
Q1 		– Sell
-24,609
Closed -$1.02M – 174
2015
Q4 		$1.02M Sell
24,609
-53,806
-69% -$2.34M 0.19% 147
2015
Q3 		$3.45M Buy
+78,415
New +$3.89M 0.65% 76

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

HighVista Strategies's CLH Position: Q2 2026 in Review

HighVista Strategies sold out of Clean Harbors (CLH) in Q2 2026, closing a stake of 5,543 shares — an estimated $1.59M sold.

HighVista Strategies first reported a position in CLH in Q3 2015 and held it in 6 quarters. The position peaked at $3.45M in Q3 2015. 662 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

  • HighVista Strategies reported no remaining Clean Harbors position as of Q2 2026 after selling out during the quarter.
  • HighVista Strategies sold 5,543 Clean Harbors shares in Q2 2026, an estimated $1.59M.
  • HighVista Strategies first reported a position in Clean Harbors in Q3 2015 and held it in 6 quarters.
  • HighVista Strategies's Clean Harbors position peaked at $3.45M in Q3 2015.
  • 662 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on HighVista Strategies's 13F filing for Q2 2026, filed 14 Aug 2026.