Sciencast Management’s Clean Harbors CLH Stock Holding History

Sciencast 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	$575K	Buy	+1,926	New	+$569K	0.12%	182
2024 Q2	–	Sell	-1,181	Closed	-$238K	–	258
2024 Q1	$238K	Buy	+1,181	New	+$212K	0.15%	181
2022 Q2	$299K	Buy	+3,062	New	+$295K	0.07%	315
2021 Q2	–	Sell	-12,403	Closed	-$1.08M	–	501
2021 Q1	$1.08M	Buy	+12,403	New	+$1.04M	0.22%	146
2019 Q2	–	Sell	-6,500	Closed	-$467K	–	311
2019 Q1	$467K	Buy	+6,500	New	+$402K	0.17%	196

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

Sciencast Management's CLH Position: Q2 2026 in Review

Sciencast Management opened a new position in Clean Harbors (CLH) in Q2 2026: 1,926 shares worth $575K. The stake represents 0.12% of the portfolio and ranks #182 among its holdings. This is a return to the name: Sciencast Management previously reported a position in CLH as recently as Q1 2024.

Sciencast Management first reported a position in CLH in Q1 2019 and has held it in 5 quarters since. The position peaked at $1.08M in Q1 2021. 662 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Sciencast Management held 1,926 shares of Clean Harbors worth $575K as of Q2 2026.
Clean Harbors was a new Sciencast Management position in Q2 2026.
Clean Harbors made up 0.12% of Sciencast Management's portfolio in Q2 2026, its #182 holding.
Sciencast Management first reported a position in Clean Harbors in Q1 2019 and has held it in 5 quarters since.
Sciencast Management's Clean Harbors position peaked at $1.08M in Q1 2021.
662 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Sciencast Management's 13F filing for Q2 2026, filed 28 Jul 2026.