CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in HDSN — Hudson Technologies Inc /Ny
CIK 884546
SAN FRANCISCO, CA
Position in HDSN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$625,734
+$26,110 QoQ
Shares Held
109,013
+6.9% QoQ
Ownership
0.259%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#43
of 151 holders
Holding Since
Mar 2020
24 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, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,101,263,300 across 48 Specialty Chemicals names. HDSN ranks #45 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
4,079,179 | $2,116,849,149 | |
| 2 | SHW |
Sherwin Williams Co
|
1,824,364 | $628,165,011 | |
| 3 | ECL |
Ecolab Inc.
|
2,249,728 | $626,796,717 | |
| 4 | APD |
Air Products & Chemicals, Inc.
|
1,410,715 | $413,593,422 | |
| 5 | PPG |
Ppg Industries Inc
|
3,051,771 | $370,149,303 | |
| 6 | ALB |
Albemarle Corp
|
1,126,909 | $152,166,522 | |
| 7 | SOLS |
Solstice Advanced Materials Inc.
|
1,666,024 | $147,609,725 | |
| 8 | IFF |
International Flavors & Fragrances Inc
|
1,842,468 | $145,960,314 |
All Filings in HDSN
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $625,734 | 109,013 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $599,624 | 101,977 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $789,914 | 115,316 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,140,877 | 114,892 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $933,320 | 114,941 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $788,063 | 127,725 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $681,072 | 122,056 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $1,017,947 | 122,056 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,074,621 | 122,255 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,269,045 | 115,263 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,615,481 | 119,754 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $1,592,728 | 119,754 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,132,091 | 117,681 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $1,009,083 | 115,588 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,158,861 | 114,512 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $794,358 | 108,076 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $809,382 | 107,774 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $80,742 | 13,002 | Shares | Sole | 2022-05-13 | |
| 2021-06-30 | $48,715 | 14,328 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $23,068 | 14,328 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $15,617 | 14,328 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $16,477 | 14,328 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $14,471 | 14,328 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $9,886 | 14,328 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||