HUDSON TECHNOLOGIES INC /NY HDSN
CIK 0000925528 · CUSIP 444144109
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | BlackRock, Inc. CIK 2012383 · View history | $27.71M 3,323,135 shares | 0.00% | — | SEC filing ↗ Nov 13, 2024 | ▾ |
| 02 | VANGUARD GROUP INC CIK 102909 · View history | $20.75M 2,488,282 shares | 0.00% | +134.39K(+5.70%)Added | SEC filing ↗ Nov 13, 2024 | ▾ |
| 03 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $17.79M 2,133,264 shares | 0.00% | +114.20K(+5.70%)Added | SEC filing ↗ Nov 7, 2024 | ▾ |
| 04 | NEW SOUTH CAPITAL MANAGEMENT INC CIK 1044797 · View history | $11.20M 1,343,172 shares | 0.46% | +27.58K(+2.10%)Added | SEC filing ↗ Nov 5, 2024 | ▾ |
| 05 | Sixth Street Partners Management Company, L.P. CIK 1812095 · View history | $10.84M 1,300,000 shares | 1.46% | 0(0.00%)Unchanged | SEC filing ↗ Nov 12, 2024 | ▾ |
| 06 | RENAISSANCE TECHNOLOGIES LLC CIK 1037389 · View history | $10.48M 1,256,150 shares | 0.02% | -68.70K(-5.20%)Reduced | SEC filing ↗ Nov 13, 2024 | ▾ |
| 07 | COOPER CREEK PARTNERS MANAGEMENT LLC CIK 1512162 · View history | $8.32M 997,644 shares | 0.27% | -134.04K(-11.80%)Reduced | SEC filing ↗ Nov 13, 2024 | ▾ |
| 08 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $8.27M 990,856 shares | 0.00% | +10.71K(+1.10%)Added | SEC filing ↗ Nov 12, 2024 | ▾ |
| 09 | STATE STREET CORP CIK 93751 · View history | $7.97M 955,130 shares | 0.00% | +1.34K(+0.10%)Added | SEC filing ↗ Nov 14, 2024 | ▾ |
| 10 | UBS Group AG CIK 1610520 · View history | $7.56M 906,764 shares | 0.00% | +294.55K(+48.10%)Added | SEC filing ↗ Nov 14, 2024 | ▾ |
| 11 | ROYCE & ASSOCIATES LP CIK 906304 · View history | $7.24M 867,697 shares | 0.07% | -278.77K(-24.30%)Reduced | SEC filing ↗ Nov 6, 2024 | ▾ |
| 12 | CASPIAN CAPITAL LP CIK 1518999 · View history | $7.08M 849,359 shares | 9.65% | 0(0.00%)Unchanged | SEC filing ↗ Nov 14, 2024 | ▾ |
| 13 | WESTERLY CAPITAL MANAGEMENT, LLC CIK 1546172 · View history | $6.76M 810,000 shares | 3.84% | +135.00K(+20.00%)Added | SEC filing ↗ Nov 14, 2024 | ▾ |
| 14 | AMERICAN CENTURY COMPANIES INC CIK 748054 · View history | $5.83M 699,551 shares | 0.00% | +49.84K(+7.70%)Added | SEC filing ↗ Nov 12, 2024 | ▾ |
| 15 | Foundry Partners, LLC CIK 1573913 · View history | $4.57M 548,330 shares | 0.23% | -393.59K(-41.80%)Reduced | SEC filing ↗ Nov 8, 2024 | ▾ |
| 16 | ROYAL BANK OF CANADA CIK 1000275 · View history | $4.27M 511,801 shares | 0.00% | -74.01K(-12.60%)Reduced | SEC filing ↗ Nov 14, 2024 | ▾ |
| 17 | GRIZZLYROCK CAPITAL, LLC CIK 2011732 · View history | $4.20M 503,595 shares | 3.62% | +503.60KNew | SEC filing ↗ Nov 14, 2024 | ▾ |
| 18 | LAZARD ASSET MANAGEMENT LLC CIK 1207017 · View history | $4.15M 497,909 shares | 0.01% | -8.09K(-1.60%)Reduced | SEC filing ↗ Nov 14, 2024 | ▾ |
| 19 | MORGAN STANLEY CIK 895421 · Amended · View history | $3.90M 468,223 shares | 0.00% | -99.67K(-17.60%)Reduced | SEC filing ↗ May 14, 2025 | ▾ |
| 20 | Praetorian PR LLC CIK 1949877 · View history | $3.34M 401,057 shares | 1.31% | -298.94K(-42.70%)Reduced | SEC filing ↗ Nov 14, 2024 | ▾ |
Showing 20 / 173 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 173 reporting institutions.
This page includes 20 of 173 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 173 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP / CLI.
MCP https://api.akkrudata.ai/mcp
akkru_institutional_holdings
{"action":"holders","cusip":"444144109","quarter":"2024Q3","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP / CLI documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.