D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
HDSN holding history
Hudson Technologies Inc in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
HDSN overviewAll 13F holders of HDSNFull Q2 2026 holdings
- Shares (Q2 2026)
- 409,591
- Value
- $2.35M
- % of portfolio
- <0.1%
- Quarters held
- 13
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 409,591 | $2.35M | <0.1% | +50,909+14.2% | Added | Holders |
| Q1 2026 | 358,682 | $2.11M | <0.1% | −224,098−38.5% | Reduced | Holders |
| Q4 2025 | 582,780 | $3.99M | <0.1% | −239,029−29.1% | Reduced | Holders |
| Q3 2025 | 821,809 | $8.16M | <0.1% | +30,146+3.8% | Added | Holders |
| Q2 2025 | 791,663 | $6.43M | <0.1% | −499,562−38.7% | Reduced | Holders |
| Q1 2025 | 1,291,225 | $7.97M | <0.1% | −54,328−4.0% | Reduced | Holders |
| Q4 2024 | 1,345,553 | $7.51M | <0.1% | +993,833+282.6% | Added | Holders |
| Q3 2024 | 351,720 | $2.93M | <0.1% | +74,857+27.0% | Added | Holders |
| Q2 2024 | 276,863 | $2.43M | <0.1% | +234,975+561.0% | Added | Holders |
| Q1 2024 | 41,888 | $461.2K | <0.1% | −35,083−45.6% | Reduced | Holders |
| Q4 2023 | 76,971 | $1.04M | <0.1% | +58,324+312.8% | Added | Holders |
| Q3 2023 | 18,647 | $248.0K | <0.1% | +18,647 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −17,802−100.0% | Sold out | Holders |
| Q4 2022 | 17,802 | $180.2K | <0.1% | +17,802 | New | Holders |