Hudson Technologies Inc
HDSN- Exchange
- Nasdaq
- Industry
- Wholesale-Machinery, Equipment & Supplies
- SEC CIK
- 0000925528
In the last 90 days, Hudson Technologies Inc insiders filed 9 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 |
|---|---|---|---|---|---|
| Sherbrooke Park Advisers LLC | 19,369 | $132.7K | 0.34% | +19,369 | New |
| SG Americas Securities, LLC | 19,132 | $131.0K | 0.00% | +7,557+65.3% | Added |
| Legato Capital Management LLC | 18,479 | $126.6K | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 18,022 | $123.0K | 0.00% | +18,022 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 17,859 | $122.3K | 0.00% | −424−2.3% | Reduced |
| MetLife Investment Management | 16,407 | $112.4K | 0.00% | +124+0.8% | Added |
| Truvestments Capital LLC | 15,011 | $102.8K | 0.02% | −123−0.8% | Reduced |
| Inspire Advisors, LLC | 14,696 | $100.7K | 0.01% | +14,696 | New |
| Intech Investment Management LLC | 14,602 | $100.0K | 0.00% | −4,611−24.0% | Reduced |
| Mangrove Partners | 14,058 | $96.3K | 0.01% | +14,058 | New |
| State Board of Administration of Florida Retirement System | 13,653 | $93.5K | 0.00% | +1,083+8.6% | Added |
| Brown Brothers Harriman & Co | 13,263 | $90.9K | 0.00% | 00.0% | Unchanged |
| Cardinal Point Capital Management, ULC | 12,850 | $88.0K | 0.01% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 12,454 | $86.9K | 0.00% | −293−2.3% | Reduced |
| Axq Capital, LP | 12,433 | $85.2K | 0.02% | +12,433 | New |
| CWM, LLC | 12,080 | $83.0K | 0.00% | −2,022−14.3% | Reduced |
| Manufacturers Life Insurance Company, The | 12,110 | $83.0K | 0.00% | −1,093−8.3% | Reduced |
| Prime Capital Investment Advisors, LLC | 11,794 | $80.8K | 0.00% | +11,794 | New |
| 1620 Investment Advisors, Inc. | 11,245 | $77.0K | 0.05% | −241−2.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,817 | $74.1K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 9,124 | $62.5K | 0.01% | +9,124 | New |
| BNP Paribas Arbitrage, SA | 8,757 | $60.0K | 0.00% | +1,227+16.3% | Added |
| Versant Capital Management, Inc | 8,303 | $56.9K | 0.01% | +82+1.0% | Added |
| GAMMA Investing LLC | 6,684 | $45.8K | 0.00% | +197+3.0% | Added |
| FMR LLC | 6,413 | $43.9K | 0.00% | +1,457+29.4% | Added |
| Quest Partners LLC | 5,550 | $38.0K | 0.00% | +5,550 | New |
| New York State Common Retirement Fund | 5,270 | $36.1K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 4,145 | $28.0K | 0.00% | +4,145 | New |
| North Star Investment Management Corp. | 4,075 | $27.9K | 0.00% | −166,000−97.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 4,000 | $27.4K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3,705 | $25.4K | 0.00% | −45−1.2% | Reduced |
| Legal & General Group Plc | 3,555 | $24.4K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 3,518 | $24.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,215 | $22.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 2,565 | $17.6K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,368 | $16.2K | 0.00% | −56−2.3% | Reduced |
| UBS Asset Management Americas Inc | 1,807 | $12.4K | 0.00% | +1,807 | New |
| Royal Bank of Canada | 1,504 | $10.0K | 0.00% | −801,368−99.8% | Reduced |
| National Bank of Canada | 1,260 | $8.63K | 0.00% | +29+2.4% | Added |
| Amalgamated Bank | 1,209 | $8.00K | 0.00% | −288−19.2% | Reduced |
| Simplex Trading, LLC | 1,160 | $7.95K | 0.00% | −14,707−92.7% | Reduced |
| Tower Research Capital LLC (TRC) | 1,061 | $7.27K | 0.00% | −1,121−51.4% | Reduced |
| Bard Associates Inc | 1,000 | $6.85K | 0.00% | +1,000 | New |
| True Wealth Design, LLC | 991 | $6.79K | 0.00% | −56−5.3% | Reduced |
| Nisa Investment Advisors, LLC | 977 | $6.69K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 935 | $6.00K | 0.00% | −66−6.6% | Reduced |
| Essential Partners LLC | 717 | $4.91K | 0.00% | −157−18.0% | Reduced |
| EverSource Wealth Advisors, LLC | 589 | $4.04K | 0.00% | −175−22.9% | Reduced |
| Harbor Capital Advisors, Inc. | 647 | $4.00K | 0.00% | −11−1.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 500 | $3.42K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 500 | $3.42K | 0.00% | +500 | New |
| Private Wealth Management Group, LLC | 406 | $2.78K | 0.00% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 400 | $2.74K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 350 | $2.40K | 0.00% | 00.0% | Unchanged |
| Red Tortoise LLC | 328 | $2.25K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 158 | $1.08K | 0.00% | +158 | New |
| Stephens Consulting, LLC | 126 | $864 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 77 | $528 | 0.00% | −3,196−97.6% | Reduced |
| Hilton Head Capital Partners, LLC | 50 | $342 | 0.00% | +50 | New |
| Farther Finance Advisors, LLC | 47 | $322 | 0.00% | −458−90.7% | Reduced |
| Sunbelt Securities, Inc. | 27 | $185 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 23 | $158 | 0.00% | −4−14.8% | Reduced |
| Allworth Financial LP | 14 | $96 | 0.00% | −99−87.6% | Reduced |
| SBI Securities Co., Ltd. | 12 | $82 | 0.00% | −1−7.7% | Reduced |
| The PNC Financial Services Group, Inc. | 3 | $21 | 0.00% | −11−78.6% | Reduced |
| Jones Financial Companies LLLP | 1 | $7 | 0.00% | −131−99.2% | Reduced |
| Rothschild Investment LLC | 1 | $7 | 0.00% | +1 | New |
| Bessemer Group Inc | 33 | $0 | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −175,311−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −158,806−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −57,030−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −32,933−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −31,799−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −29,687−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −25,856−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −23,674−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −23,260−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −21,008−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −19,628−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −17,167−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −15,955−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −15,704−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −14,426−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −13,301−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −13,126−100.0% | Sold out |
| Independent Advisor Alliance | 0 | $0 | 0.00% | −12,786−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −6,578−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −5,281−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −4,740−100.0% | Sold out |
| Rialto Wealth Management, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −573−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −444−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −124−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |