Hudson Technologies Inc /Ny (NASDAQ:HDSN) appears in 163 institutional 13F filings for the quarter ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Hartree Partners, LP | 31 Mar, 2026 | 3,800,000 | 0 | 0.00% | $22,344,000.00 |
| Hartree Partners, LP | 31 Mar, 2026 | 3,800,000 | 0 | 0.00% | $26,030,000.00 |
| WESTERLY CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 3,175,000 | 625,000 | 24.51% | $18,669,000.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 2,913,869 | 50,596 | 1.77% | $19,960,002.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 2,862,539 | -51,330 | -1.76% | $16,831,729.00 |
| WESTERLY CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 2,550,000 | 660,000 | 34.92% | $17,467,500.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 2,338,710 | -34,471 | -1.45% | $16,020,164.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 2,148,311 | 105,160 | 5.15% | $12,631,109.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 2,043,151 | 33,670 | 1.68% | $13,995,585.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 1,697,250 | -99,600 | -5.54% | $11,626,163.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,660,146 | 1,660,146 | 0.00% | $9,761,658.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 1,504,250 | -193,000 | -11.37% | $8,844,990.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 1,487,774 | 101,091 | 7.29% | $8,748,111.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 1,386,683 | 112,793 | 8.85% | $9,498,779.00 |
| NEW SOUTH CAPITAL MANAGEMENT INC | 31 Mar, 2026 | 1,283,528 | -50,809 | -3.81% | $8,792,167.00 |
| NEW SOUTH CAPITAL MANAGEMENT INC | 31 Mar, 2026 | 1,241,223 | -42,305 | -3.30% | $7,298,391.00 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 31 Mar, 2026 | 982,819 | -128,984 | -11.60% | $6,732,310.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 948,546 | 5,392 | 0.57% | $5,578,712.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 943,154 | -11,272 | -1.18% | $6,462,005.00 |
| State Street Corp | 31 Mar, 2026 | 897,873 | 3,809 | 0.43% | $5,279,493.00 |