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HDSN Insider Trading

Insider Ownership Percentage: 8.00%
Insider Buying (Last 12 Months): $23,765.00
Insider Selling (Last 12 Months): $0.00

Hudson Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at Hudson Technologies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Hudson Technologies Share Price & Price History

Current Price: $5.81
Price Change: ▼ Price Decrease of -0.11 (-1.86%)
As of 03/20/2026 05:00 PM ET

This chart shows the closing price history over time for HDSN up to the past year.

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Days: 30 | 90 | 365

Hudson Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/17/2025Vincent P AbbatecolaDirectorBuy3,500$6.79$23,765.00169,748View SEC Filing Icon  
11/7/2024Vincent P AbbatecolaDirectorBuy2,500$5.98$14,950.00161,841View SEC Filing Icon  
6/14/2024Vincent P AbbatecolaDirectorSell10,000$9.20$92,000.00159,341View SEC Filing Icon  
12/14/2023Richard ParrilloDirectorSell20,205$13.29$268,524.45179,768View SEC Filing Icon  
12/12/2023Richard ParrilloDirectorSell30,000$12.85$385,500.00222,372View SEC Filing Icon  
6/14/2023Eric A ProutyDirectorSell20,000$9.56$191,200.00142,021View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Hudson Technologies (NASDAQ:HDSN)

71.34% of Hudson Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at HDSN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Hudson Technologies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/26/2026Aristides Capital LLC26,720$0.18M0.0%-7.5%0.062%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.97,108$0.67M0.0%+23.3%0.226%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC20,417$0.14M0.0%N/A0.047%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd29,131$0.20M0.0%+104.7%0.068%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL29,237$0.20M0.0%-85.9%0.068%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC189,061$1.30M0.0%-46.9%0.440%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC68,583$0.47M0.0%+47.7%0.159%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC378,255$2.59M0.1%+4.9%0.880%Search for SEC Filing on Google Icon
2/18/2026683 Capital Management LLC335,000$2.30M0.1%-4.3%0.779%Search for SEC Filing on Google Icon
2/17/2026Integrated Advisors Network LLC25,281$0.17M0.0%-13.1%0.059%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC339,352$2.33M0.0%-1.7%0.789%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC431,769$2.96M0.0%+65.6%1.004%Search for SEC Filing on Google Icon
2/17/2026Westerly Capital Management LLC2,550,000$17.47M3.8%+34.9%5.930%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP59,580$0.41M0.0%-71.8%0.139%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.22,882$0.16M0.0%-12.8%0.053%Search for SEC Filing on Google Icon
2/17/2026Kerrisdale Advisers LLC57,622$0.40M0.2%-10.1%0.134%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.138,687$0.95M0.0%-7.3%0.323%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board99,764$0.68M0.0%+37.0%0.232%Search for SEC Filing on Google Icon
2/17/2026Kemnay Advisory Services Inc.9,124$62K0.0%N/A0.021%Search for SEC Filing on Google Icon
2/17/2026Mangrove Partners IM LLC14,058$96K0.0%N/A0.033%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.36,985$0.25M0.0%+9.7%0.086%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC34,137$0.23M0.0%N/A0.079%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC67,991$0.47M0.0%+12.3%0.158%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP465,130$3.19M0.0%+270.4%1.082%Search for SEC Filing on Google Icon
2/13/2026Inspire Advisors LLC14,696$0.10M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC180,354$1.24M0.0%N/A0.419%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.159,728$1.09M0.0%-28.4%0.371%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP141,978$0.97M0.0%+3.0%0.330%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC24,012$0.16M0.0%-22.0%0.056%Search for SEC Filing on Google Icon
2/13/2026Boston Partners21,256$0.15M0.0%-11.0%0.049%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN43,900$0.30M0.0%+48.8%0.102%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC91,216$0.63M0.0%-36.0%0.212%Search for SEC Filing on Google Icon
2/12/2026New South Capital Management Inc.1,283,528$8.79M0.4%-3.8%2.985%Search for SEC Filing on Google Icon
2/12/2026Aristides Capital LLC26,720$0.18M0.0%-7.5%0.062%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC38,650$0.27M0.0%-4.6%0.090%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC1,697,250$11.63M0.0%-5.5%3.947%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP2,043,151$14M0.0%+1.7%4.752%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC52,762$0.36M0.0%+7.2%0.123%Search for SEC Filing on Google Icon
2/12/2026Aviva PLC67,703$0.46M0.0%+42.5%0.157%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%Search for SEC Filing on Google Icon
2/11/2026Janney Montgomery Scott LLC18,022$0.12M0.0%N/A0.042%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG53,225$0.37M0.0%-14.8%0.124%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.77,522$0.53M0.0%-26.2%0.180%Search for SEC Filing on Google Icon
2/11/2026Brandywine Global Investment Management LLC22,600$0.16M0.0%N/A0.053%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC170,826$1.17M0.0%-2.9%0.397%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC221,182$1.52M0.0%-4.3%0.514%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd33,098$0.23M0.0%-48.7%0.077%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming48,062$0.33M0.0%+20.0%0.112%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.189,896$1.30M0.0%+15.5%0.442%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP12,433$85K0.0%N/A0.029%Search for SEC Filing on Google Icon
2/10/2026Hillsdale Investment Management Inc.44,000$0.30M0.0%+41.9%0.102%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC14,602$100K0.0%-24.0%0.034%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC943,154$6.46M0.0%-1.2%2.193%Search for SEC Filing on Google Icon
2/5/2026Northwestern Mutual Wealth Management Co.269,256$1.84M0.0%+53,751.2%0.626%Search for SEC Filing on Google Icon
2/4/2026Pacific Ridge Capital Partners LLC118,406$0.81M0.2%+14.3%0.275%Search for SEC Filing on Google Icon
2/3/2026Kestrel Investment Management Corp201,750$1.38M0.8%-3.4%0.469%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio77,100$0.53M0.0%+29.4%0.179%Search for SEC Filing on Google Icon
1/30/2026North Star Investment Management Corp.4,075$28K0.0%-97.6%0.009%Search for SEC Filing on Google Icon
1/29/2026Marathon Capital Management175,325$1.20M0.3%-9.8%0.408%Search for SEC Filing on Google Icon
1/26/2026CWM LLC12,080$83K0.0%-14.3%0.028%Search for SEC Filing on Google Icon
1/26/2026KBC Group NV123,001$0.84M0.0%N/A0.286%Search for SEC Filing on Google Icon
1/23/2026State of Alaska Department of Revenue4,145$28K0.0%N/A0.010%Search for SEC Filing on Google Icon
1/21/2026Prime Capital Investment Advisors LLC11,794$81K0.0%N/A0.027%Search for SEC Filing on Google Icon
1/14/2026Wedge Capital Management L L P NC153,364$1.05M0.0%-1.1%0.357%Search for SEC Filing on Google Icon
1/14/2026Exchange Traded Concepts LLC35,366$0.24M0.0%+26.4%0.082%Search for SEC Filing on Google Icon
1/14/2026EdgeRock Capital LLC90,517$0.62M0.2%+6.1%0.210%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC19,132$0.13M0.0%+65.3%0.044%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.142,898$1.42M0.0%-8.2%0.332%Search for SEC Filing on Google Icon
1/1/2026Tudor Investment Corp ET AL207,249$2.06M0.0%N/A0.482%Search for SEC Filing on Google Icon
12/9/2025Tudor Investment Corp ET AL207,249$2.06M0.0%N/A0.475%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.222,945$2.21M0.0%+37.8%0.511%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC31,799$0.32M0.2%N/A0.073%Search for SEC Filing on Google Icon
11/17/2025Westerly Capital Management LLC1,890,000$18.77M5.9%-5.5%4.335%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC19,628$0.20M0.0%N/A0.045%Search for SEC Filing on Google Icon
11/17/2025Quarry LP5,281$52K0.0%+51.9%0.012%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd88,696$0.88M0.0%N/A0.203%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV13,301$0.13M0.0%N/A0.031%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC355,958$3.54M0.0%-23.7%0.816%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.18,283$0.18M0.0%-14.2%0.042%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE279,172$2.77M0.0%+59.8%0.640%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC57,030$0.57M0.0%N/A0.131%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC25,856$0.26M0.0%N/A0.059%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC23,765$0.24M0.0%N/A0.055%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.42,210$0.42M0.0%-11.8%0.097%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.68,875$0.68M0.0%-28.5%0.158%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC21,008$0.21M0.0%N/A0.048%Search for SEC Filing on Google Icon
11/14/2025Creative Planning14,426$0.14M0.0%N/A0.033%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC260,805$2.59M0.0%+222.7%0.598%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.41,939$0.42M0.0%-4.4%0.096%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP32,933$0.33M0.0%-24.9%0.076%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP190,221$1.89M0.0%-46.2%0.436%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC360,648$3.58M0.1%+21.4%0.827%Search for SEC Filing on Google Icon
11/14/2025Marathon Capital Management194,450$1.93M0.4%-22.0%0.446%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank31,614$0.31M0.0%-22.5%0.072%Search for SEC Filing on Google Icon
11/13/2025Boston Partners23,876$0.24M0.0%-22.5%0.055%Search for SEC Filing on Google Icon
11/13/2025Aristides Capital LLC28,877$0.29M0.0%N/A0.066%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG133,820$1.33M0.0%+24.0%0.306%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets7,530$75K0.0%+88.3%0.017%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.105,061$1.04M0.0%+3.9%0.241%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Hudson Technologies logo
Hudson Technologies, Inc., through its subsidiary, Hudson Technologies Company, engages in the provision of solutions to recurring problems within the refrigeration industry in the United States. The company engages in the sale of refrigerant and industrial gas; provision of refrigerant management services consisting primarily of reclamation of refrigerants, re-usable cylinder refurbishment, and hydrostatic testing services; and RefrigerantSide services comprising system decontamination and recovery to remove moisture, oils, and other contaminants. It also offers Chiller Chemistry, which integrates several fluid tests of an operating system and the corresponding laboratory results into an engineering report; Fluid Chemistry, an abbreviated version of Chiller Chemistry, which is designed to quickly identify systems that require further examination; SmartEnergy OPS, a web-based real time continuous monitoring system, for measuring, modifying and improving the efficiency of energy systems, including air conditioning and refrigeration systems, in industrial and commercial applications; and ChillSmart, which combines the system optimization with Chiller Chemistry for providing a snapshot of a packaged chiller's operating efficiency and health. In addition, the company participates in the generation of carbon offset projects. It serves commercial, industrial, and governmental customers, as well as refrigerant wholesalers, distributors, contractors, and refrigeration equipment manufacturers. The company was incorporated in 1991 and is headquartered in Woodcliff Lake, New Jersey.
Read More on Hudson Technologies

Today's Range

Now: $5.81
Low: $5.78
High: $5.95

50 Day Range

MA: $6.98
Low: $5.76
High: $7.62

52 Week Range

Now: $5.81
Low: $5.11
High: $10.52

Volume

425,412 shs

Average Volume

417,048 shs

Market Capitalization

$246.74 million

P/E Ratio

16.14

Dividend Yield

N/A

Beta

0.92

Who are the company insiders with the largest holdings of Hudson Technologies?

Hudson Technologies' top insider investors include:
  1. Vincent P Abbatecola (Director)
Learn More about top insider investors at Hudson Technologies.

Who are the major institutional investors of Hudson Technologies?

Hudson Technologies' top institutional investors include:
  1. Westerly Capital Management LLC — 5.93%
  2. Dimensional Fund Advisors LP — 4.75%
  3. Renaissance Technologies LLC — 3.95%
  4. New South Capital Management Inc. — 2.98%
  5. Geode Capital Management LLC — 2.19%
  6. Marshall Wace LLP — 1.08%
Learn More about top institutional investors of Hudson Technologies stock.

Which major investors are selling Hudson Technologies stock?

In the previous quarter, HDSN stock was sold by these institutional investors:
  1. Tudor Investment Corp ET AL
  2. Millennium Management LLC
  3. North Star Investment Management Corp.
  4. Trexquant Investment LP
  5. Renaissance Technologies LLC
  6. Jacobs Levy Equity Management Inc.
  7. Jane Street Group LLC
  8. New South Capital Management Inc.

Which major investors are buying Hudson Technologies stock?

Within the previous quarter, HDSN stock was acquired by institutional investors including:
  1. Westerly Capital Management LLC
  2. Marshall Wace LLP
  3. Northwestern Mutual Wealth Management Co.
  4. Segall Bryant & Hamill LLC
  5. Lazard Asset Management LLC
  6. KBC Group NV
  7. Squarepoint Ops LLC
  8. Dimensional Fund Advisors LP