STATE OF WISCONSIN INVESTMENT BOARD
Position in HDSN — Hudson Technologies Inc /Ny
CIK 854157
MADISON, WI
Position in HDSN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$169,617
-$304,840 QoQ
Shares Held
29,550
-63.4% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#74
of 151 holders
Holding Since
Mar 2024
10 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 Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $394,268,811 across 41 Specialty Chemicals names. HDSN ranks #40 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
247,115 | $128,237,858 | |
| 2 | SHW |
Sherwin Williams Co
|
125,537 | $43,224,899 | |
| 3 | ECL |
Ecolab Inc.
|
135,916 | $37,867,556 | |
| 4 | APD |
Air Products & Chemicals, Inc.
|
113,249 | $33,202,341 | |
| 5 | ESI |
Element Solutions Inc
|
410,045 | $19,579,648 | |
| 6 | PPG |
Ppg Industries Inc
|
119,437 | $14,486,513 | |
| 7 | DD |
DuPont de Nemours, Inc.
|
95,878 | $13,004,891 | |
| 8 | ALB |
Albemarle Corp
|
85,438 | $11,536,693 |
All Filings in HDSN
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $169,617 | 29,550 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $474,457 | 80,690 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $683,383 | 99,764 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $723,172 | 72,827 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $813,599 | 100,197 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $539,856 | 87,497 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $376,008 | 67,385 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $478,190 | 57,337 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $977,026 | 111,152 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $446,246 | 40,531 | Shares | Sole | 2024-05-14 | |
| No filing history on record for this holder in this stock. | ||||||