Renaissance Technologies's HDSN Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 1.8 M shares of Hudson Technologies, Inc. (HDSN) worth $17.84 M, representing 0.02% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in HDSN, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2021, adding 286,049 shares. Largest reduction occurred in Q4 2020, reducing 243,500 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Hudson Technologies (HDSN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Hudson Technologies (HDSN) Trades by Renaissance Technologies
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +90,401 | Add 0.00% | 90,400 | $3.19 |
| Q3 2013 | -90,400 | Sold Out | 90,400 | $0.00 |
| Q4 2014 | +34,300 | New Buy | 34,300 | $3.76 |
| Q1 2015 | -34,300 | Sold Out | 34,300 | $0.00 |
| Q3 2016 | +98,300 | New Buy | 98,300 | $6.65 |
| Q4 2016 | +165,100 | Add 167.96% | 263,400 | $8.01 |
| Q1 2017 | -263,400 | Sold Out | 263,400 | $0.00 |
| Q4 2020 | +19,900 | New Buy | 19,900 | $1.11 |
| Q1 2021 | +286,049 | Add 1437.43% | 305,949 | $1.61 |
| Q2 2021 | +30,901 | Add 10.10% | 336,850 | $3.40 |
| Q3 2021 | +165,000 | Add 48.98% | 501,850 | $3.53 |
| Q4 2021 | +253,500 | Add 50.51% | 755,350 | $4.44 |
| Q1 2022 | +165,800 | Add 21.95% | 921,150 | $6.21 |
| Q2 2022 | +243,500 | Add 26.43% | 1.16 M | $7.51 |
| Q3 2022 | -60,300 | Reduce 5.18% | 1.1 M | $7.35 |
| Q4 2022 | +193,598 | Add 17.53% | 1.3 M | $0.01 |
| Q1 2023 | -9,298 | Reduce 0.72% | 1.29 M | $0.01 |
| Q2 2023 | -27,900 | Reduce 2.17% | 1.26 M | $0.01 |
| Q3 2023 | +55,400 | Add 4.39% | 1.32 M | $13.30 |
| Q4 2023 | +20,600 | Add 1.57% | 1.34 M | $13.49 |
| Q1 2024 | +16,700 | Add 1.25% | 1.35 M | $11.01 |
| Q2 2024 | -28,600 | Reduce 2.11% | 1.32 M | $8.79 |
| Q3 2024 | -68,700 | Reduce 5.19% | 1.26 M | $8.34 |
| Q4 2024 | +246,000 | Add 19.58% | 1.5 M | $5.58 |
| Q1 2025 | -13,800 | Reduce 0.92% | 1.49 M | $6.17 |
| Q2 2025 | +183,500 | Add 12.33% | 1.67 M | $8.12 |
| Q3 2025 | +125,000 | Add 7.48% | 1.8 M | $9.93 |
Renaissance Technologies's Hudson Technologies Investment FAQs
Renaissance Technologies first purchased Hudson Technologies, Inc. (HDSN) in Q2 2013, acquiring 90,400 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held Hudson Technologies, Inc. (HDSN) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to Hudson Technologies, Inc. (HDSN) was in Q1 2021, adding 305,949 shares worth $493,000. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 1,796,850 shares of Hudson Technologies, Inc. (HDSN), valued at approximately $17.84 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Hudson Technologies, Inc. (HDSN) represents approximately 0.02% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in Hudson Technologies, Inc. (HDSN) was 1,796,850 shares, as reported at the end of Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.