Engineers Gate Manager’s Hudson Technologies HDSN Stock Holding History

Engineers Gate Manager’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 Q2	–	Sell	-92,933	Closed	-$573K	–	2311
2025 Q1	$573K	Sell	92,933 -22,584	-20%	-$133K	0.01%	1380
2024 Q4	$645K	Buy	115,517 +76,057	+193%	+$501K	0.01%	1279
2024 Q3	$329K	Buy	+39,460	New	+$326K	0.01%	1583
2022 Q4	–	Sell	-15,075	Closed	-$111K	–	1821
2022 Q3	$111K	Sell	15,075 -180,447	-92%	-$1.52M	0.01%	1436
2022 Q2	$1.47M	Buy	195,522 +81,024	+71%	+$669K	0.05%	480
2022 Q1	$711K	Buy	114,498 +69,155	+153%	+$307K	0.03%	871
2021 Q4	$201K	Buy	45,343 +7,682	+20%	+$29.8K	0.01%	1660
2021 Q3	$133K	Buy	+37,661	New	+$126K	0.01%	1499
2016 Q4	–	Sell	-36,600	Closed	-$243K	–	650
2016 Q3	$243K	Buy	+36,600	New	+$193K	0.03%	550

Other funds holding HDSN

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

BlackRock New York $5.72T AUM 30.48% 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

WCM

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

Renaissance Technologies New York $63.9B AUM 45.56% 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

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

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

Engineers Gate Manager's HDSN Position: Q2 2025 in Review

Engineers Gate Manager sold out of Hudson Technologies (HDSN) in Q2 2025, closing a stake of 92,933 shares — an estimated $573K sold.

Engineers Gate Manager first reported a position in HDSN in Q3 2016 and held it in 9 quarters. The position peaked at $1.47M in Q2 2022. 148 funds tracked by Wall St. Rank hold HDSN as of Q2 2025.

Engineers Gate Manager reported no remaining Hudson Technologies position as of Q2 2025 after selling out during the quarter.
Engineers Gate Manager sold 92,933 Hudson Technologies shares in Q2 2025, an estimated $573K.
Engineers Gate Manager first reported a position in Hudson Technologies in Q3 2016 and held it in 9 quarters.
Engineers Gate Manager's Hudson Technologies position peaked at $1.47M in Q2 2022.
148 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2025.

Based on Engineers Gate Manager's 13F filing for Q2 2025, filed 14 Aug 2025.