Yorktown Management & Research Company’s Clean Harbors CLH Stock Holding History

Yorktown Management & Research Company’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	$433K	Hold	1,450	–	–	0.27%	140
2026 Q1	$416K	Hold	1,450	–	–	0.35%	107
2025 Q4	$340K	Hold	1,450	–	–	0.27%	155
2025 Q3	$337K	Hold	1,450	–	–	0.27%	154
2025 Q2	$335K	Hold	1,450	–	–	0.32%	144
2025 Q1	$286K	Hold	1,450	–	–	0.31%	155
2024 Q4	$334K	Hold	1,450	–	–	0.32%	155
2024 Q3	$350K	Hold	1,450	–	–	0.36%	140
2024 Q2	$328K	Hold	1,450	–	–	0.35%	131
2024 Q1	$292K	Buy	+1,450	New	+$261K	0.28%	177
2020 Q1	–	Sell	-8,450	Closed	-$725K	–	252
2019 Q4	$725K	Hold	8,450	–	–	0.39%	94
2019 Q3	$652K	Hold	8,450	–	–	0.35%	98
2019 Q2	$601K	Hold	8,450	–	–	0.23%	127
2019 Q1	$604K	Buy	+8,450	New	+$522K	0.2%	130

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

Yorktown Management & Research Company's CLH Position: Q2 2026 in Review

Yorktown Management & Research Company held its Clean Harbors (CLH) position steady in Q2 2026 at 1,450 shares worth $433K. The position accounts for 0.27% of the portfolio, ranked #140.

Yorktown Management & Research Company first reported a position in CLH in Q1 2019 and has held it in 14 quarters since. The position peaked at $725K in Q4 2019. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Yorktown Management & Research Company held 1,450 shares of Clean Harbors worth $433K as of Q2 2026.
Yorktown Management & Research Company left its Clean Harbors share count unchanged in Q2 2026.
Clean Harbors made up 0.27% of Yorktown Management & Research Company's portfolio in Q2 2026, its #140 holding.
Yorktown Management & Research Company first reported a position in Clean Harbors in Q1 2019 and has held it in 14 quarters since.
Yorktown Management & Research Company's Clean Harbors position peaked at $725K in Q4 2019.
660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Yorktown Management & Research Company's 13F filing for Q2 2026, filed 23 Jul 2026.