RENAISSANCE TECHNOLOGIES LLC
Position in HDSN — Hudson Technologies Inc /Ny
CIK 1037389
NEW YORK, NY
Position in HDSN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$8,844,990
-$2,781,172 QoQ
Shares Held
1,504,250
-11.4% QoQ
Ownership
3.58%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in HDSN Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Mar 31, 2026RENAISSANCE TECHNOLOGIES LLC holds $838,121,675 across 36 Specialty Chemicals names. HDSN ranks #13 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
629,820 | $312,239,563 | |
| 2 | ALB |
Albemarle Corp
|
730,745 | $131,190,649 | |
| 3 | ECL |
Ecolab Inc.
|
313,397 | $83,369,869 | |
| 4 | WDFC |
Wd 40 Co
|
203,476 | $41,496,895 | |
| 5 | SQM |
Chemical & Mining Co Of Chile Inc
|
502,484 | $40,671,054 | |
| 6 | SOLS |
Solstice Advanced Materials Inc.
|
504,100 | $38,392,256 | |
| 7 | BCPC |
Balchem Corp
|
177,000 | $29,997,960 | |
| 8 | ODC |
Oil-Dri Corp of America
|
422,392 | $27,493,495 |
All Filings in HDSN
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,844,990 | 1,504,250 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $11,626,162 | 1,697,250 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $17,842,720 | 1,796,850 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $13,575,422 | 1,671,850 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $9,183,119 | 1,488,350 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $8,381,997 | 1,502,150 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $10,476,291 | 1,256,150 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $11,645,431 | 1,324,850 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $14,901,484 | 1,353,450 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $18,032,757 | 1,336,750 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $17,504,795 | 1,316,150 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $12,128,415 | 1,260,750 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $11,249,914 | 1,288,650 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $13,135,233 | 1,297,948 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $8,116,972 | 1,104,350 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $8,746,521 | 1,164,650 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $5,720,341 | 921,150 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $3,353,754 | 755,350 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,771,530 | 501,850 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $1,145,290 | 336,850 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $492,577 | 305,949 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $21,691 | 19,900 | Shares | Sole | 2021-02-10 | |
| No filing history on record for this holder in this stock. | ||||||