Algert Global’s Hudson Technologies HDSN Stock Holding History

Algert Global’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	–	Sell	-43,105	Closed	-$295K	–	1238
2025 Q4	$295K	Buy	43,105 +19,340	+81%	+$152K	﹤0.01%	1006
2025 Q3	$236K	Buy	+23,765	New	+$223K	﹤0.01%	1032
2025 Q2	–	Sell	-15,725	Closed	-$97K	–	1240
2025 Q1	$97K	Sell	15,725 -34,640	-69%	-$204K	﹤0.01%	1131
2024 Q4	$281K	Buy	50,365 +12,090	+32%	+$79.7K	0.01%	1004
2024 Q3	$319K	Buy	+38,275	New	+$317K	0.01%	984
2023 Q4	–	Sell	-28,520	Closed	-$379K	–	1181
2023 Q3	$379K	Sell	28,520 -3,380	-11%	-$36.5K	0.02%	830
2023 Q2	$307K	Sell	31,900 -5,600	-15%	-$48.7K	0.01%	903
2023 Q1	$327K	Buy	37,500 +22,510	+150%	+$218K	0.02%	926
2022 Q4	$152K	Sell	14,990 -4,630	-24%	-$45.2K	0.01%	1039
2022 Q3	$144K	Sell	19,620 -13,950	-42%	-$117K	0.01%	1075
2022 Q2	$252K	Sell	33,570 -9,830	-23%	-$81.1K	0.02%	961
2022 Q1	$270K	Buy	+43,400	New	+$192K	0.02%	974
2017 Q4	–	Sell	-92,070	Closed	-$719K	–	324
2017 Q3	$719K	Buy	+92,070	New	+$798K	0.16%	195

Other funds holding HDSN

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

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Renaissance Technologies

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

American Century Companies

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

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

Geode Capital Management

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