Russell Investments Group
HDSN

Russell Investments Group’s Hudson Technologies HDSN Stock Holding History

Russell Investments Group’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 		$2.08M Buy
362,489
+208,096
+135% +$1.18M ﹤0.01% 2070
2026
Q1 		$908K Buy
154,393
+15,706
+11% +$108K ﹤0.01% 2270
2025
Q4 		$950K Sell
138,687
-10,972
-7% -$86.5K ﹤0.01% 2239
2025
Q3 		$1.49M Buy
149,659
+30,783
+26% +$289K ﹤0.01% 2015
2025
Q2 		$965K Sell
118,876
-12,352
-9% -$84.7K ﹤0.01% 2080
2025
Q1 		$810K Buy
131,228
+20,501
+19% +$120K ﹤0.01% 2121
2024
Q4 		$618K Buy
110,727
+3,990
+4% +$26.3K ﹤0.01% 2200
2024
Q3 		$890K Buy
106,737
+9,195
+9% +$76.1K ﹤0.01% 2075
2024
Q2 		$857K Buy
97,542
+39,726
+69% +$385K ﹤0.01% 2025
2024
Q1 		$637K Buy
57,816
+57,792
+240,800% +$752K ﹤0.01% 2133
2023
Q4 		$324 Buy
+24
New +$310 ﹤0.01% 3150
2023
Q2 		– Sell
-8,900
Closed -$77.7K – 3486
2023
Q1 		$77.7K Sell
8,900
-10,100
-53% -$97.8K ﹤0.01% 2638
2022
Q4 		$192K Sell
19,000
-11,300
-37% -$110K ﹤0.01% 2573
2022
Q3 		$222K Buy
+30,300
New +$255K ﹤0.01% 2523
2018
Q2 		– Sell
-1,095,066
Closed -$5.41M – 2920
2018
Q1 		$5.41M Buy
1,095,066
+185,865
+20% +$1.09M 0.01% 1326
2017
Q4 		$5.59M Buy
909,201
+462,657
+104% +$2.82M 0.01% 1276
2017
Q3 		$3.49M Sell
446,544
-71,731
-14% -$621K 0.01% 1454
2017
Q2 		$4.38M Sell
518,275
-256,504
-33% -$1.96M 0.01% 1308
2017
Q1 		$5.11M Sell
774,779
-123,266
-14% -$897K 0.01% 1200
2016
Q4 		$6.92M Buy
+898,045
New +$6.34M 0.01% 1049

Other funds holding HDSN

HP
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Russell Investments Group's HDSN Position: Q2 2026 in Review

Russell Investments Group increased its Hudson Technologies (HDSN) stake by 135% in Q2 2026, buying an estimated $1.18M and bringing the position to 362,489 shares worth $2.08M. The position accounts for ﹤0.01% of the portfolio, ranked #2070.

Russell Investments Group first reported a position in HDSN in Q4 2016 and has held it in 20 quarters since. The position peaked at $6.92M in Q4 2016. 152 funds tracked by Wall St. Rank hold HDSN as of Q2 2026.

  • Russell Investments Group held 362,489 shares of Hudson Technologies worth $2.08M as of Q2 2026.
  • Russell Investments Group bought 208,096 Hudson Technologies shares in Q2 2026, an estimated $1.18M.
  • Hudson Technologies made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2070 holding.
  • Russell Investments Group first reported a position in Hudson Technologies in Q4 2016 and has held it in 20 quarters since.
  • Russell Investments Group's Hudson Technologies position peaked at $6.92M in Q4 2016.
  • 152 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.