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 |
|---|---|---|---|---|---|
| Campbell & CO Investment Adviser LLC | 52,762 | $361.4K | 0.02% | +3,544+7.2% | Added |
| Deutsche Bank AG | 53,225 | $364.6K | 0.00% | −9,274−14.8% | Reduced |
| Kerrisdale Advisers, LLC | 57,622 | $394.7K | 0.19% | −6,478−10.1% | Reduced |
| Principal Financial Group Inc | 59,073 | $404.6K | 0.00% | +18,240+44.7% | Added |
| Trexquant Investment LP | 59,580 | $408.1K | 0.00% | −151,325−71.8% | Reduced |
| Voya Investment Management LLC | 61,273 | $419.7K | 0.00% | +1,066+1.8% | Added |
| Aviva PLC | 67,703 | $463.8K | 0.00% | +20,178+42.5% | Added |
| Barclays PLC | 67,991 | $465.7K | 0.00% | +7,443+12.3% | Added |
| CWM Advisors, LLC | 68,583 | $469.8K | 0.04% | +22,160+47.7% | Added |
| Prudential Financial Inc | 69,970 | $479.3K | 0.00% | +69,970 | New |
| Pinnacle Associates Ltd | 70,000 | $479.5K | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 71,167 | $487.5K | 0.00% | +2,292+3.3% | Added |
| Price T Rowe Associates Inc | 73,706 | $505.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 77,100 | $528.1K | 0.00% | +17,500+29.4% | Added |
| Franklin Resources Inc | 77,522 | $531.0K | 0.00% | −27,539−26.2% | Reduced |
| Citadel Advisors LLC | 80,083 | $548.6K | 0.00% | −34,303−30.0% | Reduced |
| Nuveen, LLC | 83,140 | $569.5K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 83,404 | $571.3K | 0.00% | −195,768−70.1% | Reduced |
| EdgeRock Capital LLC | 90,517 | $620.0K | 0.16% | +5,220+6.1% | Added |
| Jane Street Group, LLC | 91,216 | $624.8K | 0.00% | −51,305−36.0% | Reduced |
| Invesco Ltd. | 97,108 | $665.2K | 0.00% | +18,324+23.3% | Added |
| State of Wisconsin Investment Board | 99,764 | $683.4K | 0.00% | +26,937+37.0% | Added |
| Point72 Asset Management, L.P. | 113,263 | $775.9K | 0.00% | +108,963+2,534.0% | Added |
| Charles Schwab Investment Management Inc | 115,316 | $789.9K | 0.00% | +424+0.4% | Added |
| Pacific Ridge Capital Partners, LLC | 118,406 | $811.1K | 0.18% | +14,826+14.3% | Added |
| Quantinno Capital Management LP | 121,947 | $835.3K | 0.00% | +66,612+120.4% | Added |
| KBC Group NV | 123,001 | $843.0K | 0.00% | +123,001 | New |
| JPMorgan Chase & Co | 127,571 | $873.9K | 0.00% | −15,327−10.7% | Reduced |
| Two Sigma Investments, LP | 135,400 | $927.5K | 0.00% | −54,821−28.8% | Reduced |
| UBS Group AG | 136,088 | $932.2K | 0.00% | +2,268+1.7% | Added |
| Russell Investments Group, Ltd. | 138,687 | $950.0K | 0.00% | −10,972−7.3% | Reduced |
| Credit Agricole S A | 140,000 | $959.0K | 0.00% | +140,000 | New |
| First Trust Advisors LP | 141,978 | $972.5K | 0.00% | +4,171+3.0% | Added |
| Wedge Capital Management L L P | 153,364 | $1.05M | 0.02% | −1,704−1.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 159,728 | $1.09M | 0.00% | −63,217−28.4% | Reduced |
| Qube Research & Technologies Ltd | 163,703 | $1.12M | 0.00% | +75,007+84.6% | Added |
| Two Sigma Advisers, LP | 167,300 | $1.15M | 0.00% | −60,400−26.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 170,826 | $1.17M | 0.01% | −5,062−2.9% | Reduced |
| Marathon Capital Management | 175,325 | $1.20M | 0.26% | −19,125−9.8% | Reduced |
| Segall Bryant & Hamill, LLC | 180,354 | $1.24M | 0.02% | +180,354 | New |
| Millennium Management LLC | 189,061 | $1.30M | 0.00% | −166,897−46.9% | Reduced |
| Goldman Sachs Group Inc | 189,896 | $1.30M | 0.00% | +25,436+15.5% | Added |
| Kestrel Investment Management Corp | 201,750 | $1.38M | 0.78% | −7,100−3.4% | Reduced |
| Acadian Asset Management LLC | 220,612 | $1.51M | 0.00% | +8,667+4.1% | Added |
| Los Angeles Capital Management LLC | 221,182 | $2.03M | 0.01% | −10,010−4.3% | Reduced |
| JB Capital Partners LP | 306,200 | $2.10M | 0.36% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 325,707 | $2.23M | 0.00% | −12,683−3.7% | Reduced |
| 683 Capital Management, LLC | 335,000 | $2.29M | 0.19% | −15,000−4.3% | Reduced |
| AQR Capital Management LLC | 339,352 | $2.32M | 0.00% | −5,932−1.7% | Reduced |
| Bridgeway Capital Management, LLC | 378,255 | $2.59M | 0.05% | +17,607+4.9% | Added |
| Northern Trust Corp | 391,889 | $2.68M | 0.00% | −24,618−5.9% | Reduced |
| Public Employees Retirement System of Ohio | 410,099 | $2.81M | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 431,769 | $2.96M | 0.01% | +170,964+65.6% | Added |
| Marshall Wace, LLP | 465,130 | $3.19M | 0.00% | +339,543+270.4% | Added |
| D. E. Shaw & Co., Inc. | 582,780 | $3.99M | 0.00% | −239,029−29.1% | Reduced |
| Morgan Stanley | 705,577 | $4.83M | 0.00% | −87,150−11.0% | Reduced |
| Caspian Capital LP | 728,306 | $4.99M | 3.30% | +728,306 | New |
| State Street Corp | 894,064 | $6.12M | 0.00% | +2090.0% | Added |
| Geode Capital Management, LLC | 943,154 | $6.46M | 0.00% | −11,272−1.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 982,819 | $6.73M | 0.00% | −128,984−11.6% | Reduced |
| New South Capital Management Inc | 1,283,528 | $8.79M | 0.40% | −50,809−3.8% | Reduced |
| American Century Companies Inc | 1,386,683 | $9.50M | 0.00% | +112,793+8.9% | Added |
| Renaissance Technologies LLC | 1,697,250 | $11.6M | 0.02% | −99,600−5.5% | Reduced |
| Dimensional Fund Advisors LP | 2,043,151 | $14.0M | 0.00% | +33,670+1.7% | Added |
| Vanguard Group Inc | 2,338,710 | $16.0M | 0.00% | −34,471−1.5% | Reduced |
| Westerly Capital Management, LLC | 2,550,000 | $17.5M | 5.25% | +660,000+34.9% | Added |
| BlackRock, Inc. | 2,913,869 | $20.0M | 0.00% | +50,596+1.8% | Added |
| Hartree Partners, LP | 3,800,000 | $26.0M | 9.51% | 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 |