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 | $2.43M | Buy |
412,750
+332,667
| +415% | +$2.28M | ﹤0.01% | 5686 |
|
|
2025
Q4 | $549K | Sell |
80,083
-34,303
| -30% | -$270K | ﹤0.01% | 8806 |
|
|
2025
Q3 | $1.14M | Buy |
114,386
+18,792
| +20% | +$176K | ﹤0.01% | 7262 |
|
|
2025
Q2 | $776K | Sell |
95,594
-115,174
| -55% | -$790K | ﹤0.01% | 7632 |
|
|
2025
Q1 | $1.3M | Sell |
210,768
-286,180
| -58% | -$1.68M | ﹤0.01% | 6367 |
|
|
2024
Q4 | $2.77M | Buy |
496,948
+225,016
| +83% | +$1.48M | ﹤0.01% | 4967 |
|
|
2024
Q3 | $2.27M | Sell |
271,932
-159,361
| -37% | -$1.32M | ﹤0.01% | 5301 |
|
|
2024
Q2 | $3.79M | Buy |
431,293
+132,601
| +44% | +$1.29M | ﹤0.01% | 4185 |
|
|
2024
Q1 | $3.29M | Buy |
298,692
+135,993
| +84% | +$1.77M | ﹤0.01% | 4624 |
|
|
2023
Q4 | $2.19M | Sell |
162,699
-68,609
| -30% | -$886K | ﹤0.01% | 5197 |
|
|
2023
Q3 | $3.08M | Buy |
231,308
+218,074
| +1,648% | +$2.35M | ﹤0.01% | 4433 |
|
|
2023
Q2 | $127K | Buy |
13,234
+12,275
| +1,280% | +$107K | ﹤0.01% | 10567 |
|
|
2023
Q1 | $8.37K | Sell |
959
-67,328
| -99% | -$652K | ﹤0.01% | 13665 |
|
|
2022
Q4 | $691K | Sell |
68,287
-46,934
| -41% | -$459K | ﹤0.01% | 7566 |
|
|
2022
Q3 | $847K | Buy |
115,221
+83,957
| +269% | +$706K | ﹤0.01% | 7357 |
|
|
2022
Q2 | $234K | Buy |
31,264
+4,773
| +18% | +$39.4K | ﹤0.01% | 10363 |
|
|
2022
Q1 | $164K | Sell |
26,491
-63,275
| -70% | -$281K | ﹤0.01% | 11756 |
|
|
2021
Q4 | $398K | Buy |
89,766
+72,663
| +425% | +$282K | ﹤0.01% | 10232 |
|
|
2021
Q3 | $60K | Sell |
17,103
-35,915
| -68% | -$120K | ﹤0.01% | 13263 |
|
|
2021
Q2 | $180K | Buy |
53,018
+24,370
| +85% | +$58.7K | ﹤0.01% | 12284 |
|
|
2021
Q1 | $46K | Buy |
28,648
+16,769
| +141% | +$24.3K | ﹤0.01% | 12935 |
|
|
2020
Q4 | $13K | Buy |
+11,879
| New | +$14.2K | ﹤0.01% | 10815 |
|
|
2020
Q1 | – | Sell |
-15,947
| Closed | -$12.7K | – | 9817 |
|
|
2019
Q4 | $16K | Buy |
+15,947
| New | +$10.7K | ﹤0.01% | 8964 |
|
|
2019
Q1 | – | Sell |
-21,284
| Closed | -$30K | – | 9521 |
|
|
2018
Q4 | $19K | Sell |
21,284
-7,379
| -26% | -$8.12K | ﹤0.01% | 8765 |
|
|
2018
Q3 | $37K | Buy |
28,663
+6,851
| +31% | +$12.1K | ﹤0.01% | 8869 |
|
|
2018
Q2 | $44K | Buy |
+21,812
| New | +$70.7K | ﹤0.01% | 8466 |
|
|
2017
Q2 | – | Sell |
-16,376
| Closed | -$108K | – | 7699 |
|
|
2017
Q1 | $108K | Sell |
16,376
-5,189
| -24% | -$37.8K | ﹤0.01% | 6830 |
|
|
2016
Q4 | $173K | Buy |
+21,565
| New | +$152K | ﹤0.01% | 6401 |
|
|
2015
Q1 | – | Sell |
-8,462
| Closed | -$32K | – | 8644 |
|
|
2014
Q4 | $32K | Buy |
+8,462
| New | +$31.2K | ﹤0.01% | 7504 |
|
Other funds holding HDSN
HP
WCM
VCM
NSCM
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.