Picton Mahoney Asset Management’s Clean Harbors CLH Stock Holding History

Picton Mahoney Asset 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
2026 Q2	$16.1M	Sell	53,870 -3,550	-6%	-$1.05M	0.12%	160
2026 Q1	$16.5M	Sell	57,420 -74	-0.1%	-$20.2K	0.12%	156
2025 Q4	$13.5M	Sell	57,494 -27,986	-33%	-$6.39M	0.1%	168
2025 Q3	$19.9M	Sell	85,480 -706	-0.8%	-$167K	0.18%	105
2025 Q2	$19.9M	Buy	86,186 +11,752	+16%	+$2.57M	0.21%	102
2025 Q1	$14.7M	Buy	74,434 +31,418	+73%	+$6.88M	0.25%	89
2024 Q4	$9.9M	Buy	43,016 +4,795	+13%	+$1.19M	0.2%	126
2024 Q3	$9.24M	Buy	38,221 +11,871	+45%	+$2.79M	0.3%	107
2024 Q2	$5.96M	Buy	+26,350	New	+$5.52M	0.23%	142

Other funds holding CLH

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jupiter Topco New York $245B AUM

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 Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Picton Mahoney Asset Management's CLH Position: Q2 2026 in Review

Picton Mahoney Asset Management reduced its Clean Harbors (CLH) stake by 6.2% in Q2 2026, selling an estimated $1.05M and leaving 53,870 shares worth $16.1M. The position accounts for 0.12% of the portfolio, ranked #160.

Picton Mahoney Asset Management first reported a position in CLH in Q2 2024 and has held it in 9 quarters since. The position peaked at $19.9M in Q2 2025. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Picton Mahoney Asset Management held 53,870 shares of Clean Harbors worth $16.1M as of Q2 2026.
Picton Mahoney Asset Management sold 3,550 Clean Harbors shares in Q2 2026, an estimated $1.05M.
Clean Harbors made up 0.12% of Picton Mahoney Asset Management's portfolio in Q2 2026, its #160 holding.
Picton Mahoney Asset Management first reported a position in Clean Harbors in Q2 2024 and has held it in 9 quarters since.
Picton Mahoney Asset Management's Clean Harbors position peaked at $19.9M in Q2 2025.
660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.