Ken Griffin’s Hudson Technologies HDSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$68.8K Buy
+11,700
New +$80.2K ﹤0.01% 12261
2025
Q4
Sell
-34,600
Closed -$344K 13216
2025
Q3
$344K Sell
34,600
-54,500
-61% -$512K ﹤0.01% 10043
2025
Q2
$723K Buy
89,100
+50,300
+130% +$345K ﹤0.01% 7772
2025
Q1
$239K Sell
38,800
-19,400
-33% -$114K ﹤0.01% 10083
2024
Q4
$325K Buy
58,200
+29,800
+105% +$196K ﹤0.01% 9490
2024
Q3
$237K Sell
28,400
-19,400
-41% -$160K ﹤0.01% 9806
2024
Q2
$420K Buy
47,800
+15,000
+46% +$145K ﹤0.01% 8415
2024
Q1
$361K Buy
32,800
+9,700
+42% +$126K ﹤0.01% 9071
2023
Q4
$312K Sell
23,100
-3,000
-11% -$38.7K ﹤0.01% 9090
2023
Q3
$347K Sell
26,100
-34,700
-57% -$374K ﹤0.01% 8863
2023
Q2
$585K Buy
60,800
+42,500
+232% +$369K ﹤0.01% 7593
2023
Q1
$160K Sell
18,300
-40,300
-69% -$390K ﹤0.01% 10533
2022
Q4
$593K Buy
58,600
+15,800
+37% +$154K ﹤0.01% 7878
2022
Q3
$315K Buy
42,800
+27,300
+176% +$230K ﹤0.01% 9469
2022
Q2
$116K Sell
15,500
-8,100
-34% -$66.8K ﹤0.01% 11260
2022
Q1
$147K Buy
+23,600
New +$105K ﹤0.01% 11872
2021
Q4
Sell
-19,100
Closed -$67K 14194
2021
Q3
$67K Sell
19,100
-34,300
-64% -$115K ﹤0.01% 13185
2021
Q2
$182K Buy
53,400
+24,800
+87% +$59.8K ﹤0.01% 12268
2021
Q1
$46K Buy
28,600
+2,300
+9% +$3.34K ﹤0.01% 12934
2020
Q4
$29K Buy
26,300
+8,700
+49% +$10.4K ﹤0.01% 10715
2020
Q3
$20K Sell
17,600
-10,000
-36% -$11.4K ﹤0.01% 9859
2020
Q2
$28K Sell
27,600
-2,500
-8% -$2.19K ﹤0.01% 9473
2020
Q1
$21K Buy
+30,100
New +$23.9K ﹤0.01% 9289
2019
Q4
Sell
-32,400
Closed -$23K 9364
2019
Q3
$23K Sell
32,400
-30,400
-48% -$18.8K ﹤0.01% 8906
2019
Q2
$54K Buy
62,800
+28,400
+83% +$45.2K ﹤0.01% 8704
2019
Q1
$66K Sell
34,400
-10,800
-24% -$15.2K ﹤0.01% 8717
2018
Q4
$40K Buy
45,200
+31,800
+237% +$35K ﹤0.01% 8540
2018
Q3
$17K Buy
+13,400
New +$23.8K ﹤0.01% 9038
2018
Q2
Sell
-33,800
Closed -$167K 9006
2018
Q1
$167K Buy
33,800
+16,000
+90% +$94.3K ﹤0.01% 7475
2017
Q4
$108K Buy
17,800
+5,600
+46% +$34.1K ﹤0.01% 7405
2017
Q3
$95K Buy
+12,200
New +$106K ﹤0.01% 7053

Other funds holding HDSN

Ken Griffin's HDSN Position: Q1 2026 in Review

Ken Griffin increased its Hudson Technologies (HDSN) stake by 415% in Q1 2026, buying an estimated $2.28M and bringing the position to 412,750 shares worth $2.43M. The position accounts for ﹤0.01% of the portfolio, ranked #5686.

Ken Griffin first reported a position in HDSN in Q4 2014 and has held it in 29 quarters since. The position peaked at $3.79M in Q2 2024. 160 funds tracked by Wall St. Rank hold HDSN as of Q1 2026.

  • Ken Griffin held 412,750 shares of Hudson Technologies worth $2.43M as of Q1 2026.
  • Ken Griffin bought 332,667 Hudson Technologies shares in Q1 2026, an estimated $2.28M.
  • Hudson Technologies made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5686 holding.
  • Ken Griffin first reported a position in Hudson Technologies in Q4 2014 and has held it in 29 quarters since.
  • Ken Griffin's Hudson Technologies position peaked at $3.79M in Q2 2024.
  • 160 funds tracked by Wall St. Rank held Hudson Technologies as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.