Hudson TechnologiesHDSN
13F holders, Q2 2025 (June 30)148holders −14
21new positions
35sold out
6famous investors
$8.12avg. 13F price*
At the end of Q2 2025, 148 institutions reported holding Hudson Technologies Inc. (HDSN) in their 13F filings, down 14 from Q1 2025. 21 opened new positions and 35 sold out. The largest holders were Hartree Partners, LP ($32.5M), BlackRock, Inc. ($23.6M) and Vanguard Group Inc. ($20.1M). 6 famous investors held it, including Howard Marks (0.1% of Oaktree Capital Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Hudson Technologies Inc.
- CUSIP
- 444144109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $10.4M |
| Exits | 35 | $8.9M |
All 13F filers, Q1 2025 → Q2 2025: 6,114,143 shares bought and 4,352,082 shares sold, net +1,762,061 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 148 holders
| Hartree Partners, LP | 9.21% | Add +11.9% | 4,000,000 | $32.5M |
| BlackRock, Inc. | 0.00% | Reduce -8.3% | 2,905,833 | $23.6M |
| Vanguard Group Inc. | 0.00% | Reduce -4.0% | 2,480,309 | $20.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +2.9% | 2,006,966 | $16.3M |
| Westerly Capital Management, LLC | 6.88% | Add +63.3% | 2,000,000 | $16.2M |
| Renaissance Technologies | 0.02% | Add +12.3% | 1,671,850 | $13.6M |
| New South Capital Management Inc. | 0.53% | Reduce -8.9% | 1,350,943 | $11.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +102.9% | 1,111,803 | $9.0M |
| American Century Companies Inc. | 0.00% | Add +23.6% | 1,072,754 | $8.7M |
| Geode Capital Management, LLC | 0.00% | Reduce -8.6% | 944,424 | $7.7M |
| State Street Corp. | 0.00% | Reduce -0.6% | 944,136 | $7.7M |
| Royal Bank of Canada | 0.00% | Add +2478.9% | 837,971 | $6.8M |
| D. E. Shaw & Co. | 0.01% | Reduce -38.7% | 791,663 | $6.4M |
| Morgan Stanley | 0.00% | Add +33.0% | 755,548 | $6.1M |
| Janus Henderson Group PLC | 0.00% | Add +794.0% | 581,562 | $4.7M |
| Oaktree Capital Management | 0.12% | New | 562,662 | $4.6M |
| Millennium Management | 0.00% | Add +36.7% | 466,725 | $3.8M |
| Northern Trust Corp. | 0.00% | Add +21.4% | 429,778 | $3.5M |
| Public Employees Retirement System of Ohio | 0.01% | Add +1.9% | 410,099 | $3.3M |
| Two Sigma Advisers, LP | 0.01% | Reduce -25.4% | 394,100 | $3.2M |
| 683 Capital Management, LLC | 0.33% | Reduce -6.8% | 375,000 | $3.0M |
| Two Sigma Investments, LP | 0.01% | Reduce -35.4% | 353,279 | $2.9M |
| Bank of New York Mellon Corp | 0.00% | Add +81.7% | 336,700 | $2.7M |
| AQR Capital Management | 0.00% | Reduce -44.1% | 330,951 | $2.7M |
| JB Capital Partners LP | 0.46% | No change | 306,200 | $2.5M |
| Bridgeway Capital Management, LLC | 0.06% | Add +7.1% | 297,112 | $2.4M |
| Susquehanna International Group, LLP | 0.00% | Add +282.9% | 258,849 | $2.1M |
| Marathon Capital Management | 0.52% | Reduce -34.8% | 249,450 | $2.0M |
| Wedge Capital Management L L P | 0.03% | Reduce -4.7% | 210,302 | $1.7M |
| Kestrel Investment Management Corp. | 1.01% | Reduce -4.5% | 208,850 | $1.7M |
| O'shaughnessy Asset Management, LLC | 0.01% | Add +61.2% | 176,051 | $1.4M |
| Bank of America Corp. | 0.00% | Add +216.1% | 174,682 | $1.4M |
| North Star Investment Management Corp. | 0.09% | New | 164,075 | $1.3M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +23.7% | 161,792 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -75.7% | 155,675 | $1.3M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 135,222 | $1.1M |
| Trexquant Investment LP | 0.01% | Add +4.2% | 119,530 | $971K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -9.4% | 118,876 | $965K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -52.5% | 116,656 | $947K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -10.0% | 114,941 | $933K |
| UBS Group AG | 0.00% | Add +27.5% | 107,958 | $877K |
| Pacific Ridge Capital Partners, LLC | 0.20% | Add +31.3% | 103,580 | $841K |
| Franklin Resources Inc. | 0.00% | Reduce -0.2% | 101,149 | $821K |
| State of Wisconsin Investment Board | 0.00% | Add +14.5% | 100,197 | $814K |
| SummerHaven Investment Management, LLC | 0.52% | Add +2.8% | 96,922 | $787K |
| Ameriprise Financial Inc. | 0.00% | Reduce -23.6% | 96,380 | $783K |
| Citadel Advisors | 0.00% | Reduce -54.6% | 95,594 | $776K |
| Nuveen, LLC | 0.00% | Reduce -19.1% | 93,465 | $759K |
| Jane Street Group, LLC | 0.00% | Add +133.6% | 93,235 | $757K |
| Simplex Trading, LLC | 0.02% | New | 89,430 | $726K |
| EdgeRock Capital LLC | 0.22% | New | 85,297 | $693K |
| Lazard Asset Management LLC | 0.00% | Add +1309.6% | 80,811 | $656K |
| Thrivent Financial for Lutherans | 0.00% | No change | 80,470 | $654K |
| Empowered Funds, LLC | 0.01% | New | 75,270 | $611K |
| T. Rowe Price Associates Inc. | 0.00% | Add +0.7% | 73,706 | $599K |
| Invesco Ltd. | 0.00% | Add +21.5% | 71,748 | $583K |
| Voya Investment Management LLC | 0.00% | Add +42.4% | 70,535 | $573K |
| Pinnacle Associates Ltd. | 0.01% | Reduce -6.7% | 70,000 | $568K |
| Barclays PLC | 0.00% | Add +49.3% | 67,394 | $547K |
| Rhumbline Advisers | 0.00% | Reduce -1.3% | 66,424 | $539K |
| STRS Ohio | 0.00% | Reduce -20.2% | 66,000 | $536K |
| Victory Capital Management Inc. | 0.00% | Reduce -36.4% | 65,109 | $529K |
| Kerrisdale Advisers, LLC | 0.27% | No change | 64,100 | $520K |
| Aviva PLC | 0.00% | Reduce -40.1% | 61,899 | $503K |
| Zazove Associates LLC | 0.94% | No change | 56,250 | $457K |
| Deutsche Bank AG | 0.00% | Reduce -13.3% | 56,226 | $457K |
| Isthmus Partners, LLC | 0.05% | Add +60.2% | 48,516 | $394K |
| Alliancebernstein L.P. | 0.00% | Add +35.7% | 47,880 | $389K |
| Martingale Asset Management L P | 0.01% | Reduce -12.8% | 45,874 | $372K |
| Quantinno Capital Management LP | 0.00% | Add +87.7% | 45,416 | $369K |
| Raymond James Financial Inc. | 0.00% | Reduce -5.4% | 43,883 | $356K |
| Occudo Quantitative Strategies LP | 0.04% | New | 43,845 | $356K |
| Truvestments Capital LLC | 0.07% | Reduce -5.3% | 41,836 | $340K |
| GRIMES & Co WEALTH MANAGEMENT, LLC | 0.01% | No change | 41,163 | $334K |
| Comerica Bank | 0.00% | No change | 40,803 | $331K |
| Commonwealth Equity Services, LLC | 0.00% | Add +0.3% | 38,758 | $315K |
| Seizert Capital Partners, LLC | 0.01% | Reduce -2.4% | 38,023 | $309K |
| HRT Financial LP | 0.00% | New | 35,248 | $286K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -23.9% | 31,042 | $252K |
| Boston Partners | 0.00% | Reduce -4.5% | 30,808 | $250K |
| Integrated Advisors Network LLC | 0.01% | New | 29,699 | $241K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 27,354 | $222K |
| Ieq Capital, LLC | 0.00% | Reduce -26.1% | 27,239 | $221K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.4% | 27,014 | $219K |
| Wells Fargo & Company | 0.00% | Reduce -3.6% | 24,978 | $203K |
| WINTON GROUP Ltd | 0.01% | Reduce -19.0% | 24,429 | $198K |
| MetLife Investment Management, LLC | 0.00% | Add +0.1% | 24,338 | $198K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -19.7% | 21,310 | $173K |
| Intech Investment Management LLC | 0.00% | Reduce -19.2% | 19,213 | $156K |
| Legato Capital Management LLC | 0.02% | Reduce -4.8% | 18,479 | $150K |
| Brevan Howard Capital Management LP | 0.00% | New | 17,159 | $139K |
| EP Wealth Advisors, LLC | 0.00% | Reduce -2.1% | 16,178 | $131K |
| State of Wyoming | 0.02% | Reduce -17.5% | 16,104 | $131K |
| Citigroup Inc. | 0.00% | Reduce -48.9% | 16,082 | $131K |
| First Trust Advisors LP | 0.00% | Reduce -34.1% | 15,929 | $129K |
| Sherbrooke Park Advisers LLC | 0.05% | Reduce -45.5% | 15,432 | $125K |
| RBF Capital, LLC | 0.01% | Reduce -59.7% | 15,193 | $123K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -20.3% | 13,452 | $109K |
| Brown Brothers Harriman & Co. | 0.00% | No change | 13,263 | $108K |
| Cardinal Point Capital Management ULC | 0.01% | New | 12,850 | $104K |
| Sequoia Financial Advisors, LLC | 0.00% | Reduce -22.4% | 12,825 | $104K |
| PEAK6 LLC | 0.00% | New | 12,804 | $104K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 12,570 | $102K |
| Cwm, LLC | 0.00% | Reduce -12.0% | 12,406 | $101K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -10.5% | 11,500 | $96K |
| XTX Topco Ltd | 0.00% | Reduce -26.4% | 11,748 | $95K |
| 1620 Investment Advisors, Inc. | 0.07% | Reduce -5.2% | 11,705 | $95K |
| Wolverine Trading, LLC | 0.00% | New | 11,373 | $91K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 8,809 | $72K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +177.6% | 8,715 | $71K |
| Versant Capital Management, Inc | 0.01% | Add +195.7% | 8,221 | $67K |
| GAMMA Investing LLC | 0.00% | Add +30.5% | 6,487 | $53K |
| Group One Trading LLC | 0.00% | New | 5,734 | $47K |
| New York State Common Retirement Fund | 0.00% | No change | 5,270 | $43K |
| FMR LLC | 0.00% | Reduce -32.4% | 4,846 | $39K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,324 | $35K |
| New York State Teachers Retirement System | 0.00% | No change | 4,016 | $33K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 4,000 | $32K |
| BNP Paribas Financial Markets | 0.00% | Reduce -84.1% | 3,998 | $32K |
| Legal & General Group Plc | 0.00% | Reduce -15.0% | 3,555 | $29K |
| Quarry LP | 0.01% | New | 3,476 | $28K |
| California State Teachers Retirement System | 0.00% | No change | 3,221 | $26K |
| NewEdge Advisors, LLC | 0.00% | No change | 2,861 | $23K |
| Meeder Asset Management Inc. | 0.00% | No change | 2,565 | $21K |
| Covestor Ltd | 0.01% | Reduce -16.4% | 1,658 | $13K |
| Amalgamated Bank | 0.00% | No change | 1,497 | $12K |
| Sterling Capital Management LLC | 0.00% | Add +53.9% | 1,025 | $8K |
| True Wealth Design, LLC | 0.00% | Reduce -1.1% | 1,019 | $8K |
| Nisa Investment Advisors, LLC | 0.00% | Add +100.2% | 977 | $8K |
| National Bank of Canada | 0.00% | New | 860 | $7K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +21.0% | 726 | $6K |
| Essential Partners LLC | 0.00% | — | 718 | $6K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +99.2% | 717 | $6K |
| Clearstead Advisors, LLC | 0.00% | New | 565 | $5K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 500 | $4K |
| AlphaQuest LLC | 0.00% | New | 479 | $4K |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +100.0% | 472 | $4K |
| Private Wealth Management Group, LLC | 0.00% | No change | 406 | $3K |
| Red Tortoise LLC | 0.00% | No change | 328 | $3K |
| First Horizon Advisors, Inc. | 0.00% | No change | 203 | $2K |
| Anchor Investment Management, LLC | 0.00% | No change | 200 | $2K |
| Jones Financial Companies LLLP | 0.00% | No change | 132 | $1K |
| Stephens Consulting, LLC | 0.00% | No change | 126 | $1K |
| Fifth Third Bancorp | 0.00% | New | 124 | $1K |
| Brooklyn Investment Group | 0.00% | Reduce -46.6% | 86 | $699 |
| Arax Advisory Partners | 0.00% | New | 77 | $626 |
| PNC Financial Services Group, Inc. | 0.00% | Add +366.7% | 14 | $114 |
| SBI Securities Co., Ltd. | 0.00% | Add +18.2% | 13 | $106 |
"% of holder's portfolio" is HDSN's weight in each manager's 13F, not the share of Hudson Technologies Inc. the manager owns.