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 Q3	$786K	Sell	152,576 -625,413	-80%	-$3.56M	﹤0.01%	1596
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

Hartree Partners New York $342M AUM 38.1% 1-Year Est. Return

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Marshall Wace London, United Kingdom $114B AUM 35.47% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Arrowstreet Capital's HDSN Position: Q3 2026 in Review

Arrowstreet Capital reduced its Hudson Technologies (HDSN) stake by 80% in Q3 2026, selling an estimated $3.56M and leaving 152,576 shares worth $786K. The position accounts for ﹤0.01% of the portfolio, ranked #1596.

Arrowstreet Capital first reported a position in HDSN in Q3 2016 and has held it in 10 quarters since. The position peaked at $11M in Q3 2025. 95 funds tracked by Wall St. Rank hold HDSN as of Q3 2026.

Arrowstreet Capital held 152,576 shares of Hudson Technologies worth $786K as of Q3 2026.
Arrowstreet Capital sold 625,413 Hudson Technologies shares in Q3 2026, an estimated $3.56M.
Hudson Technologies made up ﹤0.01% of Arrowstreet Capital's portfolio in Q3 2026, its #1596 holding.
Arrowstreet Capital first reported a position in Hudson Technologies in Q3 2016 and has held it in 10 quarters since.
Arrowstreet Capital's Hudson Technologies position peaked at $11M in Q3 2025.
95 funds tracked by Wall St. Rank held Hudson Technologies as of Q3 2026.

Based on Arrowstreet Capital's 13F filing for Q3 2026, filed 13 Nov 2026.