News + Filings Holdings
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ESSEX INVESTMENT MANAGEMENT CO LLC
> HDSN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | HUDSON TECHNOLOGIES INC /NY | HDSN | 127,637 | 2,925 | 1,227,868,000 | 139,132,000 | $9,620.00 |
| 03/31/2023 | HUDSON TECHNOLOGIES INC /NY | HDSN | 124,712 | -19,306 | 1,088,736,000 | 1,087,279,000 | $8,730.00 |
| 12/31/2022 | HUDSON TECHNOLOGIES INC /NY | HDSN | 144,018 | -26,367 | 1,457,000 | 205,000 | $10.12 |
| 09/30/2022 | HUDSON TECHNOLOGIES INC /NY | HDSN | 170,385 | -11,700 | 1,252,000 | -115,000 | $7.35 |
| 06/30/2022 | HUDSON TECHNOLOGIES INC /NY | HDSN | 182,085 | -42,003 | 1,367,000 | -25,000 | $7.51 |
| 03/31/2022 | HUDSON TECHNOLOGIES INC /NY | HDSN | 224,088 | 5,472 | 1,392,000 | 421,000 | $6.21 |
| 12/31/2021 | HUDSON TECHNOLOGIES INC /NY | HDSN | 218,616 | 44,128 | 971,000 | 355,000 | $4.44 |
| 09/30/2021 | HUDSON TECHNOLOGIES INC /NY | HDSN | 174,488 | 174,488 | 616,000 | 616,000 | $3.53 |
| 09/30/2018 | HUDSON TECHNOLOGIES INC /NY | HDSN | 0 | -174,293 | 0 | -350,000 | |
| 06/30/2018 | HUDSON TECHNOLOGIES INC /NY | HDSN | 174,293 | -3,851 | 350,000 | -530,000 | $2.01 |
| 03/31/2018 | HUDSON TECHNOLOGIES INC /NY | HDSN | 178,144 | 65,461 | 880,000 | 196,000 | $4.94 |
| 12/31/2017 | HUDSON TECHNOLOGIES INC /NY | HDSN | 112,683 | -191,888 | 684,000 | -1,695,000 | $6.07 |
| 09/30/2017 | HUDSON TECHNOLOGIES INC /NY | HDSN | 304,571 | -73,522 | 2,379,000 | -816,000 | $7.81 |
| 06/30/2017 | HUDSON TECHNOLOGIES INC /NY | HDSN | 378,093 | -10,554 | 3,195,000 | 630,000 | $8.45 |
| 03/31/2017 | HUDSON TECHNOLOGIES INC /NY | HDSN | 388,647 | 30,248 | 2,565,000 | -306,000 | $6.60 |
| 12/31/2016 | HUDSON TECHNOLOGIES INC /NY | HDSN | 358,399 | 358,399 | 2,871,000 | 2,871,000 | $8.01 |
| 12/31/2015 | HUDSON TECHNOLOGIES INC /NY | HDSN | 0 | -219,060 | 0 | -651,000 | |
| 09/30/2015 | HUDSON TECHNOLOGIES INC /NY | HDSN | 219,060 | 219,060 | 651,000 | 651,000 | $2.97 |
| 06/30/2015 | HUDSON TECHNOLOGIES INC /NY | HDSN | 212,448 | 212,448 | 741,000 | 741,000 | $3.49 |
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