Winton Group’s Hudson Technologies HDSN Stock Holding History

Winton Group’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	$344K	Buy	58,528 +25,430	+77%	+$174K	0.01%	822
2025 Q4	$227K	Sell	33,098 -31,388	-49%	-$247K	0.01%	808
2025 Q3	$640K	Buy	64,486 +40,057	+164%	+$376K	0.02%	542
2025 Q2	$198K	Sell	24,429 -5,722	-19%	-$39.3K	0.01%	749
2025 Q1	$186K	Sell	30,151 -51,467	-63%	-$302K	0.01%	626
2024 Q4	$455K	Buy	+81,618	New	+$538K	0.03%	475
2023 Q4	–	Sell	-15,641	Closed	-$208K	–	786
2023 Q3	$208K	Sell	15,641 -11,458	-42%	-$124K	0.02%	649
2023 Q2	$261K	Buy	+27,099	New	+$236K	0.02%	574
2020 Q2	–	Sell	-378,807	Closed	-$261K	–	1500
2020 Q1	$261K	Sell	378,807 -101,886	-21%	-$80.9K	0.01%	1198
2019 Q4	$470K	Sell	480,693 -152,688	-24%	-$103K	0.01%	1257
2019 Q3	$450K	Buy	+633,381	New	+$393K	0.01%	1124

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

Winton Group's HDSN Position: Q1 2026 in Review

Winton Group increased its Hudson Technologies (HDSN) stake by 77% in Q1 2026, buying an estimated $174K and bringing the position to 58,528 shares worth $344K. The position accounts for 0.01% of the portfolio, ranked #822.

Winton Group first reported a position in HDSN in Q3 2019 and has held it in 11 quarters since. The position peaked at $640K in Q3 2025. 160 funds tracked by Wall St. Rank hold HDSN as of Q1 2026.

Winton Group held 58,528 shares of Hudson Technologies worth $344K as of Q1 2026.
Winton Group bought 25,430 Hudson Technologies shares in Q1 2026, an estimated $174K.
Hudson Technologies made up 0.01% of Winton Group's portfolio in Q1 2026, its #822 holding.
Winton Group first reported a position in Hudson Technologies in Q3 2019 and has held it in 11 quarters since.
Winton Group's Hudson Technologies position peaked at $640K in Q3 2025.
160 funds tracked by Wall St. Rank held Hudson Technologies as of Q1 2026.

Based on Winton Group's 13F filing for Q1 2026, filed 12 May 2026.