683 Capital Management’s Hudson Technologies HDSN Stock Holding History

683 Capital Management’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	$1.87M	Hold	325,000	–	–	0.09%	108
2026 Q1	$1.91M	Sell	325,000 -10,000	-3%	-$68.6K	0.1%	117
2025 Q4	$2.29M	Sell	335,000 -15,000	-4%	-$118K	0.1%	105
2025 Q3	$3.48M	Sell	350,000 -25,000	-7%	-$235K	0.18%	90
2025 Q2	$3.04M	Sell	375,000 -27,583	-7%	-$189K	0.2%	91
2025 Q1	$2.48M	Sell	402,583 -233,317	-37%	-$1.37M	0.17%	104
2024 Q4	$3.55M	Buy	635,900 +300,110	+89%	+$1.98M	0.22%	73
2024 Q3	$2.8M	Buy	335,790 +85,227	+34%	+$705K	0.21%	80
2024 Q2	$2.2M	Buy	+250,563	New	+$2.43M	0.17%	88

Other funds holding HDSN

Hartree Partners New York $469M AUM 46.64% 1-Year Est. Return

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

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

683 Capital Management's HDSN Position: Q2 2026 in Review

683 Capital Management held its Hudson Technologies (HDSN) position steady in Q2 2026 at 325,000 shares worth $1.87M. The position accounts for 0.09% of the portfolio, ranked #108.

683 Capital Management first reported a position in HDSN in Q2 2024 and has held it in 9 quarters since. The position peaked at $3.55M in Q4 2024. 152 funds tracked by Wall St. Rank hold HDSN as of Q2 2026.

683 Capital Management held 325,000 shares of Hudson Technologies worth $1.87M as of Q2 2026.
683 Capital Management left its Hudson Technologies share count unchanged in Q2 2026.
Hudson Technologies made up 0.09% of 683 Capital Management's portfolio in Q2 2026, its #108 holding.
683 Capital Management first reported a position in Hudson Technologies in Q2 2024 and has held it in 9 quarters since.
683 Capital Management's Hudson Technologies position peaked at $3.55M in Q4 2024.
152 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2026.

Based on 683 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.