Assenagon Asset Management’s Clean Harbors CLH Stock Holding History

Assenagon 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	$21.7M	Buy	72,519 +23,576	+48%	+$6.97M	0.03%	393
2026 Q1	$14M	Sell	48,943 -56,771	-54%	-$15.5M	0.02%	396
2025 Q4	$24.8M	Buy	105,714 +79,363	+301%	+$18.1M	0.03%	329
2025 Q3	$6.12M	Buy	26,351 +5,563	+27%	+$1.32M	0.01%	578
2025 Q2	$4.81M	Sell	20,788 -123,189	-86%	-$27M	0.01%	581
2025 Q1	$28.4M	Buy	143,977 +108,779	+309%	+$23.8M	0.05%	290
2024 Q4	$8.1M	Buy	+35,198	New	+$8.74M	0.01%	559
2024 Q3	–	Sell	-36,879	Closed	-$8.34M	–	1378
2024 Q2	$8.34M	Buy	+36,879	New	+$7.73M	0.02%	481
2024 Q1	–	Sell	-1,422	Closed	-$248K	–	1378
2023 Q4	$248K	Buy	+1,422	New	+$233K	﹤0.01%	1348
2023 Q3	–	Sell	-28,867	Closed	-$4.75M	–	1392
2023 Q2	$4.75M	Buy	+28,867	New	+$4.22M	0.02%	512
2023 Q1	–	Sell	-115,543	Closed	-$13.2M	–	1425
2022 Q4	$13.2M	Sell	115,543 -331,949	-74%	-$38.8M	0.05%	330
2022 Q3	$49.2M	Buy	447,492 +75,600	+20%	+$8.1M	0.19%	116
2022 Q2	$32.6M	Buy	371,892 +316,879	+576%	+$30.6M	0.12%	167
2022 Q1	$6.14M	Sell	55,013 -32,394	-37%	-$3.2M	0.02%	487
2021 Q4	$8.72M	Sell	87,407 -212,879	-71%	-$22.4M	0.03%	360
2021 Q3	$31.2M	Buy	300,286 +136,666	+84%	+$13.4M	0.1%	162
2021 Q2	$15.2M	Buy	163,620 +21,754	+15%	+$1.98M	0.05%	266
2021 Q1	$11.9M	Buy	141,866 +13,419	+10%	+$1.13M	0.05%	307
2020 Q4	$9.78M	Buy	+128,447	New	+$8.61M	0.04%	252
2020 Q3	–	Sell	-155,095	Closed	-$9.3M	–	1156
2020 Q2	$9.3M	Buy	+155,095	New	+$8.64M	0.06%	200

Other funds holding CLH

VNIM

Vaughan Nelson Investment Management Houston, Texas $11.3B AUM 53% 1-Year Est. Return

Davenport & Co Richmond, Virginia $20.4B AUM 18.11% 1-Year Est. Return

TSAM

Trinity Street Asset Management London, United Kingdom $1.94B AUM 26.52% 1-Year Est. Return

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

SOADOR

State of Alaska Department of Revenue Juneau, Alaska $10.1B AUM 42.83% 1-Year Est. Return

Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return

Tectonic Advisors Frisco, Texas $2.08B AUM 16.31% 1-Year Est. Return

Covea Finance Paris, France $3.17B AUM 35.01% 1-Year Est. Return

Assenagon Asset Management's CLH Position: Q2 2026 in Review

Assenagon Asset Management increased its Clean Harbors (CLH) stake by 48% in Q2 2026, buying an estimated $6.97M and bringing the position to 72,519 shares worth $21.7M. The position accounts for 0.03% of the portfolio, ranked #393.

Assenagon Asset Management first reported a position in CLH in Q2 2020 and has held it in 20 quarters since. The position peaked at $49.2M in Q3 2022. 86 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Assenagon Asset Management held 72,519 shares of Clean Harbors worth $21.7M as of Q2 2026.
Assenagon Asset Management bought 23,576 Clean Harbors shares in Q2 2026, an estimated $6.97M.
Clean Harbors made up 0.03% of Assenagon Asset Management's portfolio in Q2 2026, its #393 holding.
Assenagon Asset Management first reported a position in Clean Harbors in Q2 2020 and has held it in 20 quarters since.
Assenagon Asset Management's Clean Harbors position peaked at $49.2M in Q3 2022.
86 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.