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, Q3 2025
Institutional positions in Hudson Technologies Inc as of Sep 30, 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
- 170
- +23 vs. Q2 2025
- Shares held
- 33.3M
- −46.4K (−0.1%) vs. Q2 2025
- Total value
- $330.3M
- +$59.8M (+22.1%) vs. Q2 2025
- New holders
- 42
- 45 more added
- Sold out
- 19
- 50 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hartree Partners, LP | 3,800,000 | $37.7M | 13.10% | −200,000−5.0% | Reduced |
| BlackRock, Inc. | 2,863,273 | $28.4M | 0.00% | −42,560−1.5% | Reduced |
| Vanguard Group Inc | 2,373,181 | $23.6M | 0.00% | −107,128−4.3% | Reduced |
| Dimensional Fund Advisors LP | 2,009,481 | $20.0M | 0.00% | +2,515+0.1% | Added |
| Westerly Capital Management, LLC | 1,890,000 | $18.8M | 5.95% | −110,000−5.5% | Reduced |
| Renaissance Technologies LLC | 1,796,850 | $17.8M | 0.02% | +125,000+7.5% | Added |
| New South Capital Management Inc | 1,334,337 | $13.2M | 0.60% | −16,606−1.2% | Reduced |
| American Century Companies Inc | 1,273,890 | $12.6M | 0.01% | +201,136+18.7% | Added |
| Arrowstreet Capital, Limited Partnership | 1,111,803 | $11.0M | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 954,426 | $9.48M | 0.00% | +10,002+1.1% | Added |
| State Street Corp | 893,855 | $8.88M | 0.00% | −50,281−5.3% | Reduced |
| D. E. Shaw & Co., Inc. | 821,809 | $8.16M | 0.01% | +30,146+3.8% | Added |
| Royal Bank of Canada | 802,872 | $7.97M | 0.00% | −35,099−4.2% | Reduced |
| Morgan Stanley | 792,727 | $7.87M | 0.00% | +37,179+4.9% | Added |
| Northern Trust Corp | 416,507 | $4.14M | 0.00% | −13,271−3.1% | Reduced |
| Public Employees Retirement System of Ohio | 410,099 | $4.07M | 0.01% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 360,648 | $3.58M | 0.08% | +63,536+21.4% | Added |
| Millennium Management LLC | 355,958 | $3.53M | 0.00% | −110,767−23.7% | Reduced |
| 683 Capital Management, LLC | 350,000 | $3.48M | 0.32% | −25,000−6.7% | Reduced |
| AQR Capital Management LLC | 345,284 | $3.43M | 0.00% | +14,333+4.3% | Added |
| Bank of New York Mellon Corp | 338,390 | $3.36M | 0.00% | +1,690+0.5% | Added |
| JB Capital Partners LP | 306,200 | $3.04M | 0.51% | 00.0% | Unchanged |
| Bank of America Corp | 279,172 | $2.77M | 0.00% | +104,490+59.8% | Added |
| Lazard Asset Management LLC | 260,805 | $2.59M | 0.00% | +179,994+222.7% | Added |
| Los Angeles Capital Management LLC | 231,192 | $2.30M | 0.01% | +231,192 | New |
| Two Sigma Advisers, LP | 227,700 | $2.26M | 0.00% | −166,400−42.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 222,945 | $2.21M | 0.01% | +61,153+37.8% | Added |
| Acadian Asset Management LLC | 211,945 | $2.10M | 0.00% | +211,945 | New |
| Trexquant Investment LP | 210,905 | $2.09M | 0.02% | +91,375+76.4% | Added |
| Kestrel Investment Management Corp | 208,850 | $2.07M | 1.17% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 207,249 | $2.06M | 0.01% | +207,249 | New |
| Cubist Systematic Strategies, LLC | 205,932 | $2.04M | 0.03% | +205,932 | New |
| Marathon Capital Management | 194,450 | $1.93M | 0.44% | −55,000−22.0% | Reduced |
| Two Sigma Investments, LP | 190,221 | $1.89M | 0.00% | −163,058−46.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 175,888 | $1.75M | 0.01% | −163−0.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 175,311 | $1.70M | 0.00% | +175,311 | New |
| North Star Investment Management Corp. | 170,075 | $1.69M | 0.11% | +6,000+3.7% | Added |
| Goldman Sachs Group Inc | 164,460 | $1.63M | 0.00% | +47,804+41.0% | Added |
| Empowered Funds, LLC | 158,806 | $1.58M | 0.02% | +83,536+111.0% | Added |
| Wedge Capital Management L L P | 155,068 | $1.54M | 0.03% | −55,234−26.3% | Reduced |
| Russell Investments Group, Ltd. | 149,659 | $1.49M | 0.00% | +30,783+25.9% | Added |
| JPMorgan Chase & Co | 142,898 | $1.42M | 0.00% | −12,777−8.2% | Reduced |
| Jane Street Group, LLC | 142,521 | $1.42M | 0.00% | +49,286+52.9% | Added |
| First Trust Advisors LP | 137,807 | $1.37M | 0.00% | +121,878+765.1% | Added |
| UBS Group AG | 133,820 | $1.33M | 0.00% | +25,862+24.0% | Added |
| Marshall Wace, LLP | 125,587 | $1.25M | 0.00% | +125,587 | New |
| Charles Schwab Investment Management Inc | 114,892 | $1.14M | 0.00% | −490.0% | Reduced |
| Citadel Advisors LLC | 114,386 | $1.14M | 0.00% | +18,792+19.7% | Added |
| Franklin Resources Inc | 105,061 | $1.04M | 0.00% | +3,912+3.9% | Added |
| Pacific Ridge Capital Partners, LLC | 103,580 | $1.03M | 0.23% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 88,696 | $880.8K | 0.00% | +88,696 | New |
| EdgeRock Capital LLC | 85,297 | $847.0K | 0.24% | 00.0% | Unchanged |
| Nuveen, LLC | 83,140 | $825.6K | 0.00% | −10,325−11.0% | Reduced |
| Invesco Ltd. | 78,784 | $782.3K | 0.00% | +7,036+9.8% | Added |
| Price T Rowe Associates Inc | 73,706 | $732.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 72,827 | $723.2K | 0.00% | −27,370−27.3% | Reduced |
| Pinnacle Associates Ltd | 70,000 | $695.1K | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 68,875 | $683.9K | 0.00% | −27,505−28.5% | Reduced |
| Winton Group Ltd | 64,486 | $640.3K | 0.02% | +40,057+164.0% | Added |
| Kerrisdale Advisers, LLC | 64,100 | $636.5K | 0.33% | 00.0% | Unchanged |
| Deutsche Bank AG | 62,499 | $620.6K | 0.00% | +6,273+11.2% | Added |
| Rhumbline Advisers | 61,409 | $609.8K | 0.00% | −5,015−7.5% | Reduced |
| Barclays PLC | 60,548 | $601.2K | 0.00% | −6,846−10.2% | Reduced |
| Voya Investment Management LLC | 60,207 | $597.9K | 0.00% | −10,328−14.6% | Reduced |
| STRS Ohio | 59,600 | $591.8K | 0.00% | −6,400−9.7% | Reduced |
| Boothbay Fund Management, LLC | 57,030 | $566.3K | 0.01% | +57,030 | New |
| Quantinno Capital Management LP | 55,335 | $549.5K | 0.00% | +9,919+21.8% | Added |
| Zazove Associates LLC | 50,000 | $496.5K | 0.05% | −6,250−11.1% | Reduced |
| Campbell & CO Investment Adviser LLC | 49,218 | $488.7K | 0.04% | +49,218 | New |
| Isthmus Partners, LLC | 48,516 | $481.8K | 0.11% | 00.0% | Unchanged |
| Aviva PLC | 47,525 | $471.9K | 0.00% | −14,374−23.2% | Reduced |
| CWM Advisors, LLC | 46,423 | $461.0K | 0.04% | +46,423 | New |
| Alliancebernstein L.P. | 42,210 | $419.1K | 0.00% | −5,670−11.8% | Reduced |
| Raymond James Financial Inc | 41,939 | $416.5K | 0.00% | −1,944−4.4% | Reduced |
| Grimes & Company, Inc. | 41,163 | $408.7K | 0.01% | 00.0% | Unchanged |
| Principal Financial Group Inc | 40,833 | $405.5K | 0.00% | +40,833 | New |
| Commonwealth Equity Services, LLC | 40,518 | $402.0K | 0.00% | +1,760+4.5% | Added |
| State of Wyoming | 40,047 | $397.7K | 0.05% | +23,943+148.7% | Added |
| Seizert Capital Partners, LLC | 38,023 | $377.6K | 0.02% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 37,415 | $371.5K | 0.01% | +36,390+3,550.2% | Added |
| Graham Capital Management, L.P. | 33,729 | $334.9K | 0.01% | +33,729 | New |
| Occudo Quantitative Strategies LP | 32,933 | $327.0K | 0.04% | −10,912−24.9% | Reduced |
| PharVision Advisers, LLC | 31,799 | $315.8K | 0.18% | +31,799 | New |
| Comerica Bank | 31,614 | $313.9K | 0.00% | −9,189−22.5% | Reduced |
| Martingale Asset Management L P | 31,545 | $313.2K | 0.01% | −14,329−31.2% | Reduced |
| Hillsdale Investment Management Inc. | 31,000 | $307.8K | 0.01% | +31,000 | New |
| Ieq Capital, LLC | 30,783 | $305.7K | 0.00% | +3,544+13.0% | Added |
| FourThought Financial Partners, LLC | 29,687 | $294.8K | 0.03% | +29,687 | New |
| Wells Fargo & Company | 29,508 | $293.0K | 0.00% | +4,530+18.1% | Added |
| Integrated Advisors Network LLC | 29,106 | $289.0K | 0.01% | −593−2.0% | Reduced |
| Aristides Capital LLC | 28,877 | $286.7K | 0.08% | +28,877 | New |
| Exchange Traded Concepts, LLC | 27,990 | $277.9K | 0.00% | −3,052−9.8% | Reduced |
| Thrivent Financial for Lutherans | 27,278 | $271.0K | 0.00% | −53,192−66.1% | Reduced |
| Advisor Group Holdings, Inc. | 26,232 | $266.5K | 0.00% | −782−2.9% | Reduced |
| Aquatic Capital Management LLC | 25,856 | $256.8K | 0.00% | +25,856 | New |
| Boston Partners | 23,876 | $237.1K | 0.00% | −6,932−22.5% | Reduced |
| Algert Global LLC | 23,765 | $236.0K | 0.00% | +23,765 | New |
| Balyasny Asset Management LLC | 23,674 | $235.1K | 0.00% | +23,674 | New |
| Jump Financial, LLC | 23,260 | $231.0K | 0.00% | +23,260 | New |
| Schonfeld Strategic Advisors LLC | 21,008 | $208.6K | 0.00% | +21,008 | New |