O'SHAUGHNESSY ASSET MANAGEMENT, LLC
Position in HDSN — Hudson Technologies Inc /Ny
CIK 1423442
Stamford, CT
Position in HDSN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$1,004,451
-$165,707 QoQ
Shares Held
170,825
-0.0% QoQ
Ownership
0.406%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
17 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, 2026O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $163,363,060 across 29 Specialty Chemicals names. HDSN ranks #18 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
88,498 | $43,873,768 | |
| 2 | LYB |
LyondellBasell Industries N.V.
|
305,423 | $24,604,876 | |
| 3 | SHW |
Sherwin Williams Co
|
73,716 | $23,629,663 | |
| 4 | ECL |
Ecolab Inc.
|
74,196 | $19,737,619 | |
| 5 | APD |
Air Products & Chemicals, Inc.
|
37,651 | $10,937,238 | |
| 6 | SSL |
Sasol Ltd
|
371,890 | $4,819,694 | |
| 7 | NEU |
Newmarket Corp
|
6,752 | $4,327,694 | |
| 8 | KOP |
Koppers Holdings Inc.
|
109,854 | $4,249,152 |
All Filings in HDSN
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,004,451 | 170,825 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,170,158 | 170,826 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $1,746,567 | 175,888 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $1,429,534 | 176,051 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $673,683 | 109,187 | Shares | Sole | 2025-05-13 | |
| 2024-06-30 | $93,165 | 10,599 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $113,369 | 10,297 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $151,573 | 11,236 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $158,549 | 11,921 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $121,818 | 12,663 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $119,277 | 13,663 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $179,012 | 17,689 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $166,396 | 22,639 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $200,021 | 26,634 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $228,180 | 36,744 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $373,328 | 84,083 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $278,329 | 78,847 | Shares | Sole | 2021-11-10 | |
| No filing history on record for this holder in this stock. | ||||||