Qube Research & Technologies (QRT)’s Hudson Technologies HDSN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.18M	Buy	370,876 +207,173	+127%	+$1.42M	﹤0.01%	2117
2025 Q4	$1.12M	Buy	163,703 +75,007	+85%	+$591K	﹤0.01%	2509
2025 Q3	$881K	Buy	+88,696	New	+$833K	﹤0.01%	2569
2025 Q2	–	Sell	-134,461	Closed	-$830K	–	3711
2025 Q1	$830K	Sell	134,461 -230,520	-63%	-$1.35M	﹤0.01%	2344
2024 Q4	$2.04M	Buy	364,981 +180,124	+97%	+$1.19M	﹤0.01%	1869
2024 Q3	$1.54M	Buy	184,857 +49,569	+37%	+$410K	﹤0.01%	1869
2024 Q2	$1.19M	Buy	135,288 +41,099	+44%	+$398K	﹤0.01%	1814
2024 Q1	$1.04M	Buy	94,189 +664	+0.7%	+$8.65K	﹤0.01%	2125
2023 Q4	$1.26M	Buy	93,525 +13,007	+16%	+$168K	﹤0.01%	1795
2023 Q3	$1.07M	Sell	80,518 -125,489	-61%	-$1.35M	﹤0.01%	1693
2023 Q2	$1.98M	Sell	206,007 -32,564	-14%	-$283K	0.01%	1058
2023 Q1	$2.08M	Sell	238,571 -40,041	-14%	-$388K	0.01%	990
2022 Q4	$2.82M	Sell	278,612 -22,849	-8%	-$223K	0.02%	829
2022 Q3	$2.22M	Buy	301,461 +149,341	+98%	+$1.26M	0.01%	888
2022 Q2	$1.14M	Buy	152,120 +141,451	+1,326%	+$1.17M	0.01%	1047
2022 Q1	$66K	Buy	+10,669	New	+$47.3K	﹤0.01%	2141
2021 Q4	–	Sell	-10,483	Closed	-$37K	–	2704
2021 Q3	$37K	Buy	+10,483	New	+$35K	﹤0.01%	1900