Blair William & Co
- SEC CIK
- 0000902367
- Latest filing
- Aug 11, 2026
HDSN holding history
Hudson Technologies Inc in every 13F filed by Blair William & Co, 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 2022)
- 0
- Sold out in Q2 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 5
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2022 | 0 | $0 | 0.0% | −35,500−100.0% | Sold out | Holders |
| Q1 2022 | 35,500 | $220.0K | <0.1% | −5,400−13.2% | Reduced | Holders |
| Q4 2021 | 40,900 | $182.0K | <0.1% | +1,000+2.5% | Added | Holders |
| Q3 2021 | 39,900 | $141.0K | <0.1% | −5,000−11.1% | Reduced | Holders |
| Q2 2021 | 44,900 | $153.0K | <0.1% | −6,000−11.8% | Reduced | Holders |
| Q1 2021 | 50,900 | $82.0K | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.