Hudson Technologies Inc
HDSN- Exchange
- Nasdaq
- Industry
- Wholesale-Machinery, Equipment & Supplies
- SEC CIK
- 0000925528
In the last 90 days, Hudson Technologies Inc insiders filed 10 open-market purchases and 0 sales; 151 institutions reported holding it in 13F filings for Q2 2026, worth $181.4M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Hudson Technologies Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 168
- +1 vs. Q3 2025
- Shares held
- 33.0M
- −79.3K (−0.2%) vs. Q3 2025
- Total value
- $226.4M
- −$101.8M (−31.0%) vs. Q3 2025
- New holders
- 26
- 43 more added
- Sold out
- 25
- 68 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HDSN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 151 | $181.4M |
| Q1 2026 | 160 | $194.0M |
| Q4 2025 | 168 | $226.4M |
| Q3 2025 | 170 | $330.3M |
| Q2 2025 | 149 | $270.7M |
| Q1 2025 | 162 | $194.9M |
| Q4 2024 | 168 | $169.6M |
| Q3 2024 | 172 | $257.8M |
| Q2 2024 | 161 | $279.3M |
| Q1 2024 | 168 | $346.3M |
| Q4 2023 | 145 | $417.5M |
| Q3 2023 | 143 | $394.0M |
| Q2 2023 | 132 | $278.1M |
| Q1 2023 | 139 | $244.0M |
| Q4 2022 | 143 | $283.6M |
| Q3 2022 | 133 | $209.8M |
| Q2 2022 | 112 | $216.3M |
| Q1 2022 | 78 | $157.5M |
| Q4 2021 | 65 | $99.1M |
| Q3 2021 | 61 | $65.6M |
| Q2 2021 | 53 | $57.2M |
| Q1 2021 | 37 | $24.2M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bessemer Group Inc | 33 | $0 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1 | $7 | 0.00% | −131−99.2% | Reduced |
| Rothschild Investment LLC | 1 | $7 | 0.00% | +1 | New |
| The PNC Financial Services Group, Inc. | 3 | $21 | 0.00% | −11−78.6% | Reduced |
| SBI Securities Co., Ltd. | 12 | $82 | 0.00% | −1−7.7% | Reduced |
| Allworth Financial LP | 14 | $96 | 0.00% | −99−87.6% | Reduced |
| IFP Advisors, Inc | 23 | $158 | 0.00% | −4−14.8% | Reduced |
| Sunbelt Securities, Inc. | 27 | $185 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 47 | $322 | 0.00% | −458−90.7% | Reduced |
| Hilton Head Capital Partners, LLC | 50 | $342 | 0.00% | +50 | New |
| SRS Capital Advisors, Inc. | 77 | $528 | 0.00% | −3,196−97.6% | Reduced |
| Stephens Consulting, LLC | 126 | $864 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 158 | $1.08K | 0.00% | +158 | New |
| Red Tortoise LLC | 328 | $2.25K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 350 | $2.40K | 0.00% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 400 | $2.74K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 406 | $2.78K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 500 | $3.42K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 500 | $3.42K | 0.00% | +500 | New |
| Harbor Capital Advisors, Inc. | 647 | $4.00K | 0.00% | −11−1.7% | Reduced |
| EverSource Wealth Advisors, LLC | 589 | $4.04K | 0.00% | −175−22.9% | Reduced |
| Essential Partners LLC | 717 | $4.91K | 0.00% | −157−18.0% | Reduced |
| Covestor Ltd | 935 | $6.00K | 0.00% | −66−6.6% | Reduced |
| Nisa Investment Advisors, LLC | 977 | $6.69K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 991 | $6.79K | 0.00% | −56−5.3% | Reduced |
| Bard Associates Inc | 1,000 | $6.85K | 0.00% | +1,000 | New |
| Tower Research Capital LLC (TRC) | 1,061 | $7.27K | 0.00% | −1,121−51.4% | Reduced |
| Simplex Trading, LLC | 1,160 | $7.95K | 0.00% | −14,707−92.7% | Reduced |
| Amalgamated Bank | 1,209 | $8.00K | 0.00% | −288−19.2% | Reduced |
| National Bank of Canada | 1,260 | $8.63K | 0.00% | +29+2.4% | Added |
| Royal Bank of Canada | 1,504 | $10.0K | 0.00% | −801,368−99.8% | Reduced |
| UBS Asset Management Americas Inc | 1,807 | $12.4K | 0.00% | +1,807 | New |
| California State Teachers Retirement System | 2,368 | $16.2K | 0.00% | −56−2.3% | Reduced |
| Meeder Asset Management Inc | 2,565 | $17.6K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,215 | $22.0K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 3,518 | $24.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,555 | $24.4K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3,705 | $25.4K | 0.00% | −45−1.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 4,000 | $27.4K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 4,075 | $27.9K | 0.00% | −166,000−97.6% | Reduced |
| State of Alaska, Department of Revenue | 4,145 | $28.0K | 0.00% | +4,145 | New |
| New York State Common Retirement Fund | 5,270 | $36.1K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 5,550 | $38.0K | 0.00% | +5,550 | New |
| FMR LLC | 6,413 | $43.9K | 0.00% | +1,457+29.4% | Added |
| GAMMA Investing LLC | 6,684 | $45.8K | 0.00% | +197+3.0% | Added |
| Versant Capital Management, Inc | 8,303 | $56.9K | 0.01% | +82+1.0% | Added |
| BNP Paribas Arbitrage, SA | 8,757 | $60.0K | 0.00% | +1,227+16.3% | Added |
| Kemnay Advisory Services Inc. | 9,124 | $62.5K | 0.01% | +9,124 | New |
| Police & Firemen's Retirement System of New Jersey | 10,817 | $74.1K | 0.00% | 00.0% | Unchanged |
| 1620 Investment Advisors, Inc. | 11,245 | $77.0K | 0.05% | −241−2.1% | Reduced |
| Prime Capital Investment Advisors, LLC | 11,794 | $80.8K | 0.00% | +11,794 | New |
| Manufacturers Life Insurance Company, The | 12,110 | $83.0K | 0.00% | −1,093−8.3% | Reduced |
| CWM, LLC | 12,080 | $83.0K | 0.00% | −2,022−14.3% | Reduced |
| Axq Capital, LP | 12,433 | $85.2K | 0.02% | +12,433 | New |
| Wealth Enhancement Advisory Services, LLC | 12,454 | $86.9K | 0.00% | −293−2.3% | Reduced |
| Cardinal Point Capital Management, ULC | 12,850 | $88.0K | 0.01% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 13,263 | $90.9K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 13,653 | $93.5K | 0.00% | +1,083+8.6% | Added |
| Mangrove Partners | 14,058 | $96.3K | 0.01% | +14,058 | New |
| Intech Investment Management LLC | 14,602 | $100.0K | 0.00% | −4,611−24.0% | Reduced |
| Inspire Advisors, LLC | 14,696 | $100.7K | 0.01% | +14,696 | New |
| Truvestments Capital LLC | 15,011 | $102.8K | 0.02% | −123−0.8% | Reduced |
| MetLife Investment Management | 16,407 | $112.4K | 0.00% | +124+0.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 17,859 | $122.3K | 0.00% | −424−2.3% | Reduced |
| Janney Montgomery Scott LLC | 18,022 | $123.0K | 0.00% | +18,022 | New |
| Legato Capital Management LLC | 18,479 | $126.6K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 19,132 | $131.0K | 0.00% | +7,557+65.3% | Added |
| Sherbrooke Park Advisers LLC | 19,369 | $132.7K | 0.34% | +19,369 | New |
| EP Wealth Advisors, LLC | 20,417 | $139.9K | 0.00% | +20,417 | New |
| Boston Partners | 21,256 | $145.6K | 0.00% | −2,620−11.0% | Reduced |
| Brandywine Global Investment Management, LLC | 22,600 | $154.8K | 0.00% | +22,600 | New |
| Advisor Group Holdings, Inc. | 22,882 | $156.7K | 0.00% | −3,350−12.8% | Reduced |
| Ieq Capital, LLC | 24,012 | $164.5K | 0.00% | −6,771−22.0% | Reduced |
| Integrated Advisors Network LLC | 25,281 | $173.2K | 0.01% | −3,825−13.1% | Reduced |
| Aristides Capital LLC | 26,720 | $183.0K | 0.06% | −2,157−7.5% | Reduced |
| Thrivent Financial for Lutherans | 27,278 | $187.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 29,131 | $199.5K | 0.01% | +14,898+104.7% | Added |
| Tudor Investment Corp Et Al | 29,237 | $200.3K | 0.00% | −178,012−85.9% | Reduced |
| Prelude Capital Management, LLC | 31,200 | $213.7K | 0.02% | +31,200 | New |
| Martingale Asset Management L P | 31,238 | $214.0K | 0.01% | −307−1.0% | Reduced |
| Comerica Bank | 31,614 | $216.6K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 33,098 | $226.7K | 0.01% | −31,388−48.7% | Reduced |
| Squarepoint Ops LLC | 34,137 | $233.8K | 0.00% | +34,137 | New |
| Exchange Traded Concepts, LLC | 35,366 | $242.3K | 0.00% | +7,376+26.4% | Added |
| Sterling Capital Management LLC | 36,978 | $253.3K | 0.00% | −437−1.2% | Reduced |
| Graham Capital Management, L.P. | 36,985 | $253.3K | 0.01% | +3,256+9.7% | Added |
| Seizert Capital Partners, LLC | 38,023 | $260.5K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 38,650 | $264.8K | 0.00% | −1,868−4.6% | Reduced |
| Raymond James Financial Inc | 39,609 | $271.3K | 0.00% | −2,330−5.6% | Reduced |
| Susquehanna International Group, LLP | 40,968 | $280.6K | 0.00% | +40,968 | New |
| Grimes & Company, Inc. | 41,163 | $282.0K | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 42,210 | $289.1K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 43,105 | $295.3K | 0.00% | +19,340+81.4% | Added |
| Wells Fargo & Company | 43,900 | $300.7K | 0.00% | +14,392+48.8% | Added |
| Hillsdale Investment Management Inc. | 44,000 | $301.4K | 0.01% | +13,000+41.9% | Added |
| Isthmus Partners, LLC | 47,664 | $326.5K | 0.04% | −852−1.8% | Reduced |
| State of Wyoming | 48,062 | $329.2K | 0.04% | +8,015+20.0% | Added |
| Zazove Associates LLC | 50,000 | $342.5K | 0.03% | 00.0% | Unchanged |
| Rhumbline Advisers | 51,307 | $351.4K | 0.00% | −10,102−16.5% | Reduced |
| Canada Pension Plan Investment Board | 51,500 | $352.8K | 0.00% | +51,500 | New |