Brown Brothers Harriman & Co’s Hudson Technologies HDSN Stock Holding History

Brown Brothers Harriman & Co’s Portfolio HDSN Stock Details HDSN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$78K	Hold	13,263	–	–	﹤0.01%	979
2025 Q4	$90.9K	Hold	13,263	–	–	﹤0.01%	928
2025 Q3	$132K	Hold	13,263	–	–	﹤0.01%	789
2025 Q2	$108K	Hold	13,263	–	–	﹤0.01%	769
2025 Q1	$81.8K	Hold	13,263	–	–	﹤0.01%	735
2024 Q4	$74K	Hold	13,263	–	–	﹤0.01%	792
2024 Q3	$111K	Sell	13,263 -1,187	-8%	-$9.82K	﹤0.01%	676
2024 Q2	$127K	Sell	14,450 -550	-4%	-$5.33K	﹤0.01%	618
2024 Q1	$165K	Sell	15,000 -5,000	-25%	-$65.1K	﹤0.01%	550
2023 Q4	$270K	Hold	20,000	–	–	﹤0.01%	449
2023 Q3	$266K	Hold	20,000	–	–	﹤0.01%	435
2023 Q2	$192K	Hold	20,000	–	–	﹤0.01%	483
2023 Q1	$175K	Hold	20,000	–	–	﹤0.01%	510
2022 Q4	$202K	Hold	20,000	–	–	﹤0.01%	464
2022 Q3	$147K	Buy	+20,000	New	+$168K	﹤0.01%	528

Other funds holding HDSN

Hartree Partners New York $467M AUM 66.71% 1-Year Est. Return

WCM

Westerly Capital Management San Francisco, California $368M AUM 42.67% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

NSCM

New South Capital Management Memphis, Tennessee $2.09B AUM 33.67% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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

Brown Brothers Harriman & Co's HDSN Position: Q1 2026 in Review

Brown Brothers Harriman & Co held its Hudson Technologies (HDSN) position steady in Q1 2026 at 13,263 shares worth $78K. The position accounts for ﹤0.01% of the portfolio, ranked #979.

Brown Brothers Harriman & Co first reported a position in HDSN in Q3 2022 and has held it in 15 quarters since. The position peaked at $270K in Q4 2023. 160 funds tracked by Wall St. Rank hold HDSN as of Q1 2026.

Brown Brothers Harriman & Co held 13,263 shares of Hudson Technologies worth $78K as of Q1 2026.
Brown Brothers Harriman & Co left its Hudson Technologies share count unchanged in Q1 2026.
Hudson Technologies made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q1 2026, its #979 holding.
Brown Brothers Harriman & Co first reported a position in Hudson Technologies in Q3 2022 and has held it in 15 quarters since.
Brown Brothers Harriman & Co's Hudson Technologies position peaked at $270K in Q4 2023.
160 funds tracked by Wall St. Rank held Hudson Technologies as of Q1 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q1 2026, filed 14 May 2026.