Jim Simons’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
Q2 | $8.28M | Sell |
1,442,115
-62,135
| -4% | -$353K | 0.01% | 1161 |
|
|
2026
Q1 | $8.84M | Sell |
1,504,250
-193,000
| -11% | -$1.32M | 0.01% | 1033 |
|
|
2025
Q4 | $11.6M | Sell |
1,697,250
-99,600
| -6% | -$785K | 0.02% | 845 |
|
|
2025
Q3 | $17.8M | Buy |
1,796,850
+125,000
| +7% | +$1.17M | 0.02% | 783 |
|
|
2025
Q2 | $13.6M | Buy |
1,671,850
+183,500
| +12% | +$1.26M | 0.02% | 894 |
|
|
2025
Q1 | $9.18M | Sell |
1,488,350
-13,800
| -0.9% | -$81.1K | 0.01% | 1050 |
|
|
2024
Q4 | $8.38M | Buy |
1,502,150
+246,000
| +20% | +$1.62M | 0.01% | 1125 |
|
|
2024
Q3 | $10.5M | Sell |
1,256,150
-68,700
| -5% | -$568K | 0.02% | 1016 |
|
|
2024
Q2 | $11.6M | Sell |
1,324,850
-28,600
| -2% | -$277K | 0.02% | 840 |
|
|
2024
Q1 | $14.9M | Buy |
1,353,450
+16,700
| +1% | +$217K | 0.02% | 782 |
|
|
2023
Q4 | $18M | Buy |
1,336,750
+20,600
| +2% | +$266K | 0.03% | 654 |
|
|
2023
Q3 | $17.5M | Buy |
1,316,150
+55,400
| +4% | +$598K | 0.03% | 633 |
|
|
2023
Q2 | $12.1M | Sell |
1,260,750
-27,900
| -2% | -$243K | 0.02% | 927 |
|
|
2023
Q1 | $11.2M | Sell |
1,288,650
-9,298
| -0.7% | -$90K | 0.01% | 1034 |
|
|
2022
Q4 | $13.1M | Buy |
1,297,948
+193,598
| +18% | +$1.89M | 0.02% | 946 |
|
|
2022
Q3 | $8.12M | Sell |
1,104,350
-60,300
| -5% | -$507K | 0.01% | 1145 |
|
|
2022
Q2 | $8.75M | Buy |
1,164,650
+243,500
| +26% | +$2.01M | 0.01% | 1181 |
|
|
2022
Q1 | $5.72M | Buy |
921,150
+165,800
| +22% | +$735K | 0.01% | 1493 |
|
|
2021
Q4 | $3.35M | Buy |
755,350
+253,500
| +51% | +$983K | ﹤0.01% | 1785 |
|
|
2021
Q3 | $1.77M | Buy |
501,850
+165,000
| +49% | +$551K | ﹤0.01% | 2180 |
|
|
2021
Q2 | $1.14M | Buy |
336,850
+30,901
| +10% | +$74.5K | ﹤0.01% | 2601 |
|
|
2021
Q1 | $493K | Buy |
305,949
+286,049
| +1,437% | +$415K | ﹤0.01% | 2912 |
|
|
2020
Q4 | $22K | Buy |
+19,900
| New | +$23.8K | ﹤0.01% | 3339 |
|
|
2017
Q1 | – | Sell |
-263,400
| Closed | -$2.11M | – | 3291 |
|
|
2016
Q4 | $2.11M | Buy |
263,400
+165,100
| +168% | +$1.17M | ﹤0.01% | 2199 |
|
|
2016
Q3 | $654K | Buy |
+98,300
| New | +$519K | ﹤0.01% | 2734 |
|
|
2015
Q1 | – | Sell |
-34,300
| Closed | -$129K | – | 3240 |
|
|
2014
Q4 | $129K | Buy |
+34,300
| New | +$127K | ﹤0.01% | 2764 |
|
|
2013
Q3 | – | Sell |
-90,400
| Closed | -$288K | – | 2865 |
|
|
2013
Q2 | $288K | Buy |
+90,400
| New | +$330K | ﹤0.01% | 2414 |
|
Other funds holding HDSN
WCM
Jim Simons's HDSN Position: Q2 2026 in Review
Jim Simons reduced its Hudson Technologies (HDSN) stake by 4.1% in Q2 2026, selling an estimated $353K and leaving 1,442,115 shares worth $8.28M. The position accounts for 0.01% of the portfolio, ranked #1161.
Jim Simons first reported a position in HDSN in Q2 2013 and has held it in 27 quarters since. The position peaked at $18M in Q4 2023. 151 funds tracked by Wall St. Rank hold HDSN as of Q2 2026.
- Jim Simons held 1,442,115 shares of Hudson Technologies worth $8.28M as of Q2 2026.
- Jim Simons sold 62,135 Hudson Technologies shares in Q2 2026, an estimated $353K.
- Hudson Technologies made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1161 holding.
- Jim Simons first reported a position in Hudson Technologies in Q2 2013 and has held it in 27 quarters since.
- Jim Simons's Hudson Technologies position peaked at $18M in Q4 2023.
- 151 funds tracked by Wall St. Rank held Hudson Technologies as of Q2 2026.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.