Arrowstreet Capital’s Hudson Technologies HDSN Stock Holding History

Arrowstreet Capital’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 Q2	$4.47M	Sell	777,989 -103,246	-12%	-$587K	﹤0.01%	1323
2026 Q1	$5.18M	Sell	881,235 -101,584	-10%	-$697K	﹤0.01%	1149
2025 Q4	$6.73M	Sell	982,819 -128,984	-12%	-$1.02M	﹤0.01%	1064
2025 Q3	$11M	Hold	1,111,803	–	–	0.01%	929
2025 Q2	$9.03M	Buy	1,111,803 +563,899	+103%	+$3.87M	0.01%	938
2025 Q1	$3.38M	Buy	547,904 +237,340	+76%	+$1.39M	﹤0.01%	1135
2024 Q4	$1.73M	Buy	+310,564	New	+$2.05M	﹤0.01%	1309
2024 Q2	–	Sell	-67,875	Closed	-$747K	–	1631
2024 Q1	$747K	Buy	+67,875	New	+$884K	﹤0.01%	1374
2016 Q4	–	Sell	-30,763	Closed	-$205K	–	2015
2016 Q3	$205K	Buy	+30,763	New	+$162K	﹤0.01%	1420

Other funds holding HDSN

WCM

Westerly Capital Management San Francisco, California $542M AUM 48.48% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Caspian Capital New York $176M AUM

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

Arrowstreet Capital's HDSN Position: Q2 2026 in Review

Arrowstreet Capital reduced its Hudson Technologies (HDSN) stake by 12% in Q2 2026, selling an estimated $587K and leaving 777,989 shares worth $4.47M. The position accounts for ﹤0.01% of the portfolio, ranked #1323.

Arrowstreet Capital first reported a position in HDSN in Q3 2016 and has held it in 9 quarters since. The position peaked at $11M in Q3 2025. 139 funds tracked by Wall St. Rank hold HDSN as of Q2 2026.

Arrowstreet Capital held 777,989 shares of Hudson Technologies worth $4.47M as of Q2 2026.
Arrowstreet Capital sold 103,246 Hudson Technologies shares in Q2 2026, an estimated $587K.
Hudson Technologies made up ﹤0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #1323 holding.
Arrowstreet Capital first reported a position in Hudson Technologies in Q3 2016 and has held it in 9 quarters since.
Arrowstreet Capital's Hudson Technologies position peaked at $11M in Q3 2025.
139 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.