Magnetar Financial’s Clean Harbors CLH Stock Holding History

Magnetar Financial’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	$532K	Buy	+1,782	New	+$526K	﹤0.01%	598
2025 Q4	–	Sell	-2,575	Closed	-$598K	–	967
2025 Q3	$598K	Buy	+2,575	New	+$610K	﹤0.01%	558
2024 Q4	–	Sell	-8,664	Closed	-$2.09M	–	645
2024 Q3	$2.09M	Buy	+8,664	New	+$2.04M	0.05%	227
2022 Q1	–	Sell	-3,233	Closed	-$323K	–	1364
2021 Q4	$323K	Buy	+3,233	New	+$341K	﹤0.01%	1050
2020 Q1	–	Sell	-7,441	Closed	-$638K	–	494
2019 Q4	$638K	Sell	7,441 -2,186	-23%	-$178K	0.01%	269
2019 Q3	$743K	Sell	9,627 -757	-7%	-$56K	0.02%	288
2019 Q2	$738K	Buy	10,384 +1,665	+19%	+$116K	0.01%	245
2019 Q1	$624K	Buy	+8,719	New	+$539K	0.02%	227
2017 Q4	–	Sell	-4,852	Closed	-$275K	–	725
2017 Q3	$275K	Buy	+4,852	New	+$264K	0.01%	544
2016 Q4	–	Sell	-4,202	Closed	-$202K	–	86
2016 Q3	$202K	Buy	+4,202	New	+$208K	﹤0.01%	509

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

Magnetar Financial's CLH Position: Q2 2026 in Review

Magnetar Financial opened a new position in Clean Harbors (CLH) in Q2 2026: 1,782 shares worth $532K. The stake represents ﹤0.01% of the portfolio and ranks #598 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in CLH as recently as Q3 2025.

Magnetar Financial first reported a position in CLH in Q3 2016 and has held it in 10 quarters since. The position peaked at $2.09M in Q3 2024. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Magnetar Financial held 1,782 shares of Clean Harbors worth $532K as of Q2 2026.
Clean Harbors was a new Magnetar Financial position in Q2 2026.
Clean Harbors made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #598 holding.
Magnetar Financial first reported a position in Clean Harbors in Q3 2016 and has held it in 10 quarters since.
Magnetar Financial's Clean Harbors position peaked at $2.09M in Q3 2024.
660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.