Who Owns HUDSON TECHNOLOGES COM (HDSN)? -- Institutional Holders (2026-06-30)
180 institutions reported holding $182.3M of HUDSON TECHNOLOGES COM (HDSN) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hartree Partners, LP ($25.3M), WESTERLY CAPITAL MANAGEMENT, LLC ($19.4M), BlackRock, Inc. ($16.3M), VANGUARD GROUP INC ($12.7M), DIMENSIONAL FUND ADVISORS LP ($11.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Hartree Partners, LP | $25.3M | 4.4M | Added |
| 2 | WESTERLY CAPITAL MANAGEMENT, LLC | $19.4M | 3.4M | Added |
| 3 | BlackRock, Inc. | $16.3M | 2.8M | Trimmed |
| 4 | VANGUARD GROUP INC | $12.7M | 2.2M | Added |
| 5 | DIMENSIONAL FUND ADVISORS LP | $11.3M | 2.0M | Trimmed |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $8.3M | 1.4M | Trimmed |
| 7 | AMERICAN CENTURY COMPANIES INC | $6.7M | 1.2M | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $5.7M | 995,011 | Added |
| 9 | STATE STREET CORP | $5.1M | 895,776 | Trimmed |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $4.5M | 777,989 | Trimmed |
| 11 | CASPIAN CAPITAL LP | $4.2M | 728,306 | Hold |
| 12 | Qube Research & Technologies Ltd | $4.1M | 721,847 | Added |
| 13 | CITADEL ADVISORS LLC | $3.3M | 574,266 | Added |
| 14 | JACOBS LEVY EQUITY MANAGEMENT, INC | $2.9M | 506,591 | Added |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.8M | 494,432 | Trimmed |
| 16 | Nuveen, LLC | $2.7M | 476,540 | Added |
| 17 | MARSHALL WACE, LLP | $2.7M | 474,354 | Added |
| 18 | D. E. Shaw & Co., Inc. | $2.4M | 409,591 | Added |
| 19 | MORGAN STANLEY | $2.1M | 367,159 | Trimmed |
| 20 | Russell Investments Group, Ltd. | $2.1M | 362,489 | Added |
| 21 | 683 Capital Management, LLC | $1.9M | 325,000 | Hold |
| 22 | JB CAPITAL PARTNERS LP | $1.8M | 306,200 | Hold |
| 23 | Ancora Advisors LLC | $1.7M | 303,380 | New |
| 24 | Kerrisdale Advisers, LLC | $1.7M | 299,976 | Added |
| 25 | NORTHERN TRUST CORP | $1.6M | 282,011 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30