Gilder Gagnon Howe & Co’s Clean Harbors CLH Stock Holding History

Gilder Gagnon Howe & Co’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 Q1	$819K	Sell	2,856 -206	-7%	-$56.2K	0.01%	224
2025 Q4	$718K	Buy	3,062 +112	+4%	+$25.6K	0.01%	226
2025 Q3	$685K	Sell	2,950 -37	-1%	-$8.76K	0.01%	229
2025 Q2	$691K	Sell	2,987 -125	-4%	-$27.4K	0.01%	213
2025 Q1	$613K	Sell	3,112 -52,764	-94%	-$11.5M	0.01%	202
2024 Q4	$12.9M	Buy	55,876 +52,522	+1,566%	+$13M	0.14%	107
2024 Q3	$811K	Sell	3,354 -488	-13%	-$115K	0.01%	219
2024 Q2	$869K	Buy	3,842 +2	+0.1%	+$419	0.01%	209
2024 Q1	$773K	Buy	+3,840	New	+$690K	0.01%	224

Other funds holding CLH

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

LPC

Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

DCP

D1 Capital Partners New York $11.2B AUM 15.78% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

Gilder Gagnon Howe & Co's CLH Position: Q1 2026 in Review

Gilder Gagnon Howe & Co reduced its Clean Harbors (CLH) stake by 6.7% in Q1 2026, selling an estimated $56.2K and leaving 2,856 shares worth $819K. The position accounts for 0.01% of the portfolio, ranked #224.

Gilder Gagnon Howe & Co first reported a position in CLH in Q1 2024 and has held it in 9 quarters since. The position peaked at $12.9M in Q4 2024. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

Gilder Gagnon Howe & Co held 2,856 shares of Clean Harbors worth $819K as of Q1 2026.
Gilder Gagnon Howe & Co sold 206 Clean Harbors shares in Q1 2026, an estimated $56.2K.
Clean Harbors made up 0.01% of Gilder Gagnon Howe & Co's portfolio in Q1 2026, its #224 holding.
Gilder Gagnon Howe & Co first reported a position in Clean Harbors in Q1 2024 and has held it in 9 quarters since.
Gilder Gagnon Howe & Co's Clean Harbors position peaked at $12.9M in Q4 2024.
623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Gilder Gagnon Howe & Co's 13F filing for Q1 2026, filed 15 May 2026.