Sherbrooke Park Advisers’s Hudson Technologies HDSN Stock Holding History

Sherbrooke Park Advisers’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
2025 Q4	$133K	Buy	+19,369	New	+$153K	0.34%	115
2025 Q3	–	Sell	-15,432	Closed	-$125K	–	610
2025 Q2	$125K	Sell	15,432 -12,864	-45%	-$88.2K	0.05%	440
2025 Q1	$175K	Sell	28,296 -25,201	-47%	-$148K	0.08%	446
2024 Q4	$299K	Sell	53,497 -79,661	-60%	-$525K	0.1%	400
2024 Q3	$1.11M	Buy	+133,158	New	+$1.1M	0.25%	65

Other funds holding HDSN

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

WCM

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

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

Sherbrooke Park Advisers's HDSN Position: Q4 2025 in Review

Sherbrooke Park Advisers opened a new position in Hudson Technologies (HDSN) in Q4 2025: 19,369 shares worth $133K. The stake represents 0.34% of the portfolio and ranks #115 among its holdings. This is a return to the name: Sherbrooke Park Advisers previously reported a position in HDSN as recently as Q2 2025.

Sherbrooke Park Advisers first reported a position in HDSN in Q3 2024 and has held it in 5 quarters since. The position peaked at $1.11M in Q3 2024. 168 funds tracked by Wall St. Rank hold HDSN as of Q4 2025.

Sherbrooke Park Advisers held 19,369 shares of Hudson Technologies worth $133K as of Q4 2025.
Hudson Technologies was a new Sherbrooke Park Advisers position in Q4 2025.
Hudson Technologies made up 0.34% of Sherbrooke Park Advisers's portfolio in Q4 2025, its #115 holding.
Sherbrooke Park Advisers first reported a position in Hudson Technologies in Q3 2024 and has held it in 5 quarters since.
Sherbrooke Park Advisers's Hudson Technologies position peaked at $1.11M in Q3 2024.
168 funds tracked by Wall St. Rank held Hudson Technologies as of Q4 2025.

Based on Sherbrooke Park Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.