North Star Investment Management’s Hudson Technologies HDSN Stock Holding History

North Star Investment Management’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	-4,075	Closed	-$27.9K	–	1747
2025 Q4	$27.9K	Sell	4,075 -166,000	-98%	-$1.31M	﹤0.01%	791
2025 Q3	$1.69M	Buy	170,075 +6,000	+4%	+$56.3K	0.11%	177
2025 Q2	$1.33M	Buy	+164,075	New	+$1.13M	0.09%	191
2025 Q1	–	Sell	-189,125	Closed	-$1.06M	–	1216
2024 Q4	$1.06M	Buy	189,125 +41,475	+28%	+$273K	0.07%	224
2024 Q3	$1.23M	Buy	147,650 +14,000	+10%	+$116K	0.09%	208
2024 Q2	$1.17M	Buy	+133,650	New	+$1.3M	0.09%	208
2017 Q4	–	Sell	-400	Closed	-$3K	–	1082
2017 Q3	$3K	Buy	+400	New	+$3.46K	﹤0.01%	983

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

North Star Investment Management's HDSN Position: Q1 2026 in Review

North Star Investment Management sold out of Hudson Technologies (HDSN) in Q1 2026, closing a stake of 4,075 shares — an estimated $27.9K sold.

North Star Investment Management first reported a position in HDSN in Q3 2017 and held it in 7 quarters. The position peaked at $1.69M in Q3 2025. 160 funds tracked by Wall St. Rank hold HDSN as of Q1 2026.

North Star Investment Management reported no remaining Hudson Technologies position as of Q1 2026 after selling out during the quarter.
North Star Investment Management sold 4,075 Hudson Technologies shares in Q1 2026, an estimated $27.9K.
North Star Investment Management first reported a position in Hudson Technologies in Q3 2017 and held it in 7 quarters.
North Star Investment Management's Hudson Technologies position peaked at $1.69M in Q3 2025.
160 funds tracked by Wall St. Rank held Hudson Technologies as of Q1 2026.

Based on North Star Investment Management's 13F filing for Q1 2026, filed 23 Apr 2026.