Group One Trading
HDSN

Group One Trading’s Hudson Technologies HDSN Stock Holding History

Group One Trading’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
Q1 		$588 Buy
+100
New +$686 ﹤0.01% 7305
2024
Q4 		– Sell
-300
Closed -$2.5K – 7539
2024
Q3 		$2.5K Buy
300
+100
+50% +$827 ﹤0.01% 6088
2024
Q2 		$1.76K Sell
200
-5,500
-96% -$53.3K ﹤0.01% 6251
2024
Q1 		$62.8K Buy
5,700
+5,400
+1,800% +$70.3K ﹤0.01% 4521
2023
Q4 		$4.05K Sell
300
-16,100
-98% -$208K ﹤0.01% 6590
2023
Q3 		$218K Buy
16,400
+13,500
+466% +$146K ﹤0.01% 3732
2023
Q2 		$27.9K Sell
2,900
-600
-17% -$5.22K ﹤0.01% 5738
2023
Q1 		$30.6K Buy
3,500
+2,000
+133% +$19.4K ﹤0.01% 5225
2022
Q4 		$15.2K Buy
+1,500
New +$14.7K ﹤0.01% 5784
2022
Q3 		– Sell
-200
Closed -$2K – 7788
2022
Q2 		$2K Sell
200
-300
-60% -$2.48K ﹤0.01% 7405
2022
Q1 		$3K Sell
500
-1,500
-75% -$6.65K ﹤0.01% 7627
2021
Q4 		$9K Buy
+2,000
New +$7.76K ﹤0.01% 7395
2021
Q1 		– Sell
-1,400
Closed -$2K – 7743
2020
Q4 		$2K Buy
+1,400
New +$1.67K ﹤0.01% 6244
2019
Q2 		– Sell
-3,100
Closed -$6K – 5107
2019
Q1 		$6K Sell
3,100
-900
-23% -$1.27K ﹤0.01% 4398
2018
Q4 		$4K Sell
4,000
-34,800
-90% -$38.3K ﹤0.01% 4519
2018
Q3 		$50K Buy
38,800
+19,600
+102% +$34.7K ﹤0.01% 3966
2018
Q2 		$39K Buy
19,200
+6,400
+50% +$20.7K ﹤0.01% 4076
2018
Q1 		$63K Sell
12,800
-64,300
-83% -$379K ﹤0.01% 3537
2017
Q4 		$468K Buy
77,100
+74,800
+3,252% +$455K ﹤0.01% 2310
2017
Q3 		$18K Buy
2,300
+2,000
+667% +$17.3K ﹤0.01% 4108
2017
Q2 		$3K Sell
300
-4,900
-94% -$37.5K ﹤0.01% 4516
2017
Q1 		$34K Sell
5,200
-7,500
-59% -$54.6K ﹤0.01% 3628
2016
Q4 		$102K Buy
+12,700
New +$89.6K ﹤0.01% 2838
2015
Q4 		– Sell
-4,400
Closed -$13K – 4867
2015
Q3 		$13K Hold
4,400
– – ﹤0.01% 4200
2015
Q2 		$15K Sell
4,400
-3,200
-42% -$12.7K ﹤0.01% 4161
2015
Q1 		$32K Buy
7,600
+600
+9% +$2.28K ﹤0.01% 3623
2014
Q4 		$26K Buy
+7,000
New +$25.8K ﹤0.01% 3807

Other funds holding HDSN

HP
Hartree Partners New York $467M AUM 66.71% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $368M AUM 42.67% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
American Century Companies
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Group One Trading's HDSN Position: Q3 2025 in Review

Group One Trading sold out of Hudson Technologies (HDSN) in Q3 2025, closing a stake of 5,734 shares — an estimated $53.8K sold.

Group One Trading first reported a position in HDSN in Q3 2013 and held it in 24 quarters. The position peaked at $325K in Q3 2021. 170 funds tracked by Wall St. Rank hold HDSN as of Q3 2025.

  • Group One Trading reported no remaining Hudson Technologies position as of Q3 2025 after selling out during the quarter.
  • Group One Trading sold 5,734 Hudson Technologies shares in Q3 2025, an estimated $53.8K.
  • Group One Trading first reported a position in Hudson Technologies in Q3 2013 and held it in 24 quarters.
  • Group One Trading's Hudson Technologies position peaked at $325K in Q3 2021.
  • 170 funds tracked by Wall St. Rank held Hudson Technologies as of Q3 2025.

Based on Group One Trading's 13F filing for Q3 2025, filed 12 Nov 2025.