Aigen Investment Management’s Clean Harbors CLH Stock Holding History

Aigen Investment 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	$884K	Buy	+2,958	New	+$874K	0.24%	115
2025 Q3	–	Sell	-3,414	Closed	-$789K	–	833
2025 Q2	$789K	Buy	3,414 +720	+27%	+$158K	0.11%	295
2025 Q1	$531K	Buy	+2,694	New	+$590K	0.08%	339
2024 Q4	–	Sell	-4,234	Closed	-$1.02M	–	767
2024 Q3	$1.02M	Buy	4,234 +3,317	+362%	+$780K	0.2%	145
2024 Q2	$207K	Buy	+917	New	+$192K	0.04%	615
2022 Q4	–	Sell	-2,932	Closed	-$322K	–	562
2022 Q3	$322K	Buy	+2,932	New	+$314K	0.05%	389

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

Aigen Investment Management's CLH Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Clean Harbors (CLH) in Q2 2026: 2,958 shares worth $884K. The stake represents 0.24% of the portfolio and ranks #115 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in CLH as recently as Q2 2025.

Aigen Investment Management first reported a position in CLH in Q3 2022 and has held it in 6 quarters since. The position peaked at $1.02M in Q3 2024. 661 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Aigen Investment Management held 2,958 shares of Clean Harbors worth $884K as of Q2 2026.
Clean Harbors was a new Aigen Investment Management position in Q2 2026.
Clean Harbors made up 0.24% of Aigen Investment Management's portfolio in Q2 2026, its #115 holding.
Aigen Investment Management first reported a position in Clean Harbors in Q3 2022 and has held it in 6 quarters since.
Aigen Investment Management's Clean Harbors position peaked at $1.02M in Q3 2024.
661 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.