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, Q2 2026
Institutional positions in Hudson Technologies Inc as of Jun 30, 2026. 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
- 151
- −5 vs. Q1 2026
- Shares held
- 31.6M
- −1.34M (−4.1%) vs. Q1 2026
- Total value
- $181.4M
- −$12.4M (−6.4%) vs. Q1 2026
- New holders
- 25
- 46 more added
- Sold out
- 30
- 52 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hartree Partners, LP | 4,411,889 | $25.3M | 5.45% | +611,889+16.1% | Added |
| Westerly Capital Management, LLC | 3,380,000 | $19.4M | 3.58% | +205,000+6.5% | Added |
| BlackRock, Inc. | 2,840,272 | $16.3M | 0.00% | −22,267−0.8% | Reduced |
| Dimensional Fund Advisors LP | 1,967,914 | $11.3M | 0.00% | −180,397−8.4% | Reduced |
| Vanguard Capital Management LLC | 1,654,259 | $9.50M | 0.00% | −5,887−0.4% | Reduced |
| Renaissance Technologies LLC | 1,442,115 | $8.28M | 0.01% | −62,135−4.1% | Reduced |
| American Century Companies Inc | 1,169,462 | $6.71M | 0.00% | −318,312−21.4% | Reduced |
| Geode Capital Management, LLC | 995,011 | $5.71M | 0.00% | +46,465+4.9% | Added |
| State Street Corp | 895,776 | $5.14M | 0.00% | −2,097−0.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 777,989 | $4.47M | 0.00% | −103,246−11.7% | Reduced |
| Caspian Capital LP | 728,306 | $4.18M | 2.37% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 721,847 | $4.14M | 0.00% | +350,971+94.6% | Added |
| Citadel Advisors LLC | 574,266 | $3.30M | 0.00% | +161,516+39.1% | Added |
| Jacobs Levy Equity Management, Inc | 506,591 | $2.91M | 0.01% | +327,658+183.1% | Added |
| Bridgeway Capital Management, LLC | 494,432 | $2.84M | 0.05% | −3,677−0.7% | Reduced |
| Nuveen, LLC | 476,540 | $2.74M | 0.00% | +392,825+469.2% | Added |
| Marshall Wace, LLP | 474,354 | $2.72M | 0.00% | +255,083+116.3% | Added |
| D. E. Shaw & Co., Inc. | 409,591 | $2.35M | 0.00% | +50,909+14.2% | Added |
| Morgan Stanley | 367,159 | $2.11M | 0.00% | −104,788−22.2% | Reduced |
| Russell Investments Group, Ltd. | 362,489 | $2.08M | 0.00% | +208,096+134.8% | Added |
| 683 Capital Management, LLC | 325,000 | $1.87M | 0.17% | 00.0% | Unchanged |
| JB Capital Partners LP | 306,200 | $1.76M | 0.27% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 303,380 | $1.74M | 0.03% | +303,380 | New |
| Kerrisdale Advisers, LLC | 299,976 | $1.72M | 0.43% | +242,354+420.6% | Added |
| Vanguard Portfolio Management LLC | 290,537 | $1.67M | 0.00% | +22,001+8.2% | Added |
| Northern Trust Corp | 282,011 | $1.62M | 0.00% | −117,352−29.4% | Reduced |
| Vanguard Fiduciary Trust Co | 245,071 | $1.41M | 0.00% | +2,205+0.9% | Added |
| KBC Group NV | 207,466 | $1.19M | 0.00% | +84,465+68.7% | Added |
| Empowered Funds, LLC | 205,878 | $1.18M | 0.01% | +11,323+5.8% | Added |
| Bank of New York Mellon Corp | 204,779 | $1.18M | 0.00% | −77,656−27.5% | Reduced |
| Kestrel Investment Management Corp | 200,750 | $1.15M | 0.63% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 176,708 | $1.01M | 0.00% | −21,224−10.7% | Reduced |
| Pacific Ridge Capital Partners, LLC | 174,539 | $1.00M | 0.18% | +27,609+18.8% | Added |
| Marathon Capital Management | 173,325 | $994.9K | 0.20% | −1,000−0.6% | Reduced |
| AQR Capital Management LLC | 161,903 | $929.3K | 0.00% | −182,401−53.0% | Reduced |
| First Trust Advisors LP | 151,809 | $871.4K | 0.00% | +6,726+4.6% | Added |
| Numerai GP LLC | 150,254 | $862.5K | 0.07% | −27,038−15.3% | Reduced |
| Credit Agricole S A | 140,000 | $803.6K | 0.00% | 00.0% | Unchanged |
| Wedge Capital Management L L P | 137,618 | $789.9K | 0.01% | −7,118−4.9% | Reduced |
| Two Sigma Investments, LP | 131,960 | $757.5K | 0.00% | −140,965−51.6% | Reduced |
| Prudential Financial Inc | 121,740 | $698.8K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 119,191 | $684.2K | 0.03% | +31,105+35.3% | Added |
| Charles Schwab Investment Management Inc | 109,013 | $625.7K | 0.00% | +7,036+6.9% | Added |
| Quantinno Capital Management LP | 106,964 | $614.0K | 0.00% | +30,696+40.2% | Added |
| Ameriprise Financial Inc | 98,394 | $564.8K | 0.00% | +41,307+72.4% | Added |
| Price T Rowe Associates Inc | 95,960 | $551.0K | 0.00% | +15,947+19.9% | Added |
| JPMorgan Chase & Co | 93,739 | $513.7K | 0.00% | −23,800−20.2% | Reduced |
| Invesco Ltd. | 70,075 | $402.2K | 0.00% | −8,711−11.1% | Reduced |
| Pinnacle Associates Ltd | 70,000 | $401.8K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 66,220 | $380.1K | 0.00% | +40,202+154.5% | Added |
| Deutsche Bank AG | 61,117 | $350.8K | 0.00% | +2,840+4.9% | Added |
| UBS Group AG | 58,368 | $335.0K | 0.00% | +15,893+37.4% | Added |
| Bank of America Corp | 57,906 | $332.4K | 0.00% | −44,429−43.4% | Reduced |
| Isthmus Partners, LLC | 57,456 | $329.8K | 0.03% | +14,059+32.4% | Added |
| Bailard, Inc. | 56,574 | $324.7K | 0.01% | +56,574 | New |
| Inspire Advisors, LLC | 54,249 | $311.4K | 0.02% | +17,843+49.0% | Added |
| Public Employees Retirement System of Ohio | 51,499 | $295.6K | 0.00% | −358,600−87.4% | Reduced |
| Odyssean, LLC | 50,673 | $290.9K | 0.05% | +50,673 | New |
| Rhumbline Advisers | 50,040 | $287.2K | 0.00% | +141+0.3% | Added |
| Schonfeld Strategic Advisors LLC | 49,528 | $284.3K | 0.00% | +6,812+15.9% | Added |
| Alliancebernstein L.P. | 46,710 | $274.7K | 0.00% | +4,500+10.7% | Added |
| Sanctuary Advisors, LLC | 46,344 | $266.0K | 0.00% | +46,344 | New |
| Exchange Traded Concepts, LLC | 46,108 | $264.7K | 0.00% | +6,601+16.7% | Added |
| Point72 Asset Management, L.P. | 45,731 | $262.5K | 0.00% | +45,731 | New |
| Susquehanna International Group, LLP | 45,095 | $258.8K | 0.00% | +10,941+32.0% | Added |
| Commonwealth Equity Services, LLC | 42,504 | $244.0K | 0.00% | +3,857+10.0% | Added |
| Canada Pension Plan Investment Board | 42,500 | $243.9K | 0.00% | −5,500−11.5% | Reduced |
| EntryPoint Capital, LLC | 33,461 | $192.1K | 0.05% | +33,461 | New |
| Campbell & CO Investment Adviser LLC | 32,995 | $189.4K | 0.01% | −28,448−46.3% | Reduced |
| Wells Fargo & Company | 32,878 | $188.7K | 0.00% | +16,923+106.1% | Added |
| Atlantic Union Bankshares Corp | 31,250 | $179.4K | 0.00% | 00.0% | Unchanged |
| Vident Advisory, LLC | 30,875 | $177.2K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 30,375 | $174.4K | 0.00% | −12,324−28.9% | Reduced |
| State of Wisconsin Investment Board | 29,550 | $169.6K | 0.00% | −51,140−63.4% | Reduced |
| Jump Financial, LLC | 27,943 | $160.4K | 0.00% | −62,657−69.2% | Reduced |
| Park Capital Management, LLC | 27,078 | $155.4K | 0.09% | +27,078 | New |
| Graham Capital Management, L.P. | 26,736 | $153.5K | 0.00% | −9,297−25.8% | Reduced |
| Fifth Third Bancorp | 24,585 | $141.1K | 0.00% | −5,811−19.1% | Reduced |
| MetLife Investment Management | 22,591 | $129.7K | 0.00% | +14,037+164.1% | Added |
| XTX Topco Ltd | 21,149 | $121.4K | 0.00% | +21,149 | New |
| Citigroup Inc | 18,883 | $108.4K | 0.00% | +17,096+956.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 18,546 | $106.5K | 0.00% | +18,546 | New |
| Boston Partners | 18,221 | $104.6K | 0.00% | −21,773−54.4% | Reduced |
| Symmetry Partners, LLC | 18,033 | $103.5K | 0.01% | +18,033 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 17,193 | $98.7K | 0.00% | −1,108−6.1% | Reduced |
| Empirical Asset Management, LLC | 17,059 | $97.9K | 0.02% | +17,059 | New |
| Wealth Enhancement Advisory Services, LLC | 15,133 | $97.6K | 0.00% | −857−5.4% | Reduced |
| EP Wealth Advisors, LLC | 16,875 | $96.9K | 0.00% | −4,099−19.5% | Reduced |
| Advisor Group Holdings, Inc. | 16,809 | $96.5K | 0.00% | −2,253−11.8% | Reduced |
| Commonwealth Financial Services, LLC | 16,728 | $96.0K | 0.01% | +16,728 | New |
| Fifth Third Wealth Advisors LLC | 16,445 | $94.4K | 0.00% | +16,445 | New |
| Quadrature Capital Ltd | 16,395 | $94.1K | 0.00% | −4,304−20.8% | Reduced |
| Mercer Global Advisors Inc | 15,081 | $86.6K | 0.00% | +15,081 | New |
| Vanguard Global Advisers, LLC | 14,929 | $85.7K | 0.00% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 14,918 | $85.6K | 0.00% | +14,918 | New |
| Inscription Capital, LLC | 14,032 | $80.5K | 0.01% | +14,032 | New |
| State of Wyoming | 13,503 | $77.5K | 0.01% | −15,594−53.6% | Reduced |
| Brown Brothers Harriman & Co | 13,263 | $76.1K | 0.00% | 00.0% | Unchanged |
| Anchyra Partners LLC | 13,063 | $75.0K | 0.02% | +13,063 | New |
| FMR LLC | 13,023 | $74.8K | 0.00% | −3,173−19.6% | Reduced |