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Hudson Technologies (HDSN) Institutional Ownership

Hudson Technologies logo
$5.23 -0.02 (-0.38%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$5.28 +0.05 (+0.96%)
As of 10/2/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Hudson Technologies (NASDAQ:HDSN)

Current
Institutional Ownership
Percentage
71.34%
Number of
Institutional Buyers
(last 12 months)
81
Total
Institutional Inflows
(last 12 months)
$65.25M
Number of
Institutional Sellers
(last 12 months)
51
Total
Institutional Outflows
(last 12 months)
$18.58M
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HDSN Institutional Buying and Selling by Quarter

Hudson Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Squarepoint Ops LLC66,220$380K0.0%+154.5%0.157%
8/20/2026Kerrisdale Advisers LLC299,976$1.72M0.4%+420.6%0.713%
8/20/2026Ancora Advisors LLC303,380$1.74M0.0%N/A0.721%
8/18/2026Empowered Funds LLC205,878$1.18M0.0%N/A0.489%
8/18/2026Public Employees Retirement System of Ohio51,499$296K0.0%N/A0.122%
8/17/2026Bank of America Corp DE57,906$332K0.0%N/A0.138%
8/15/2026Odyssean LLC50,673$291K0.0%N/A0.120%
8/14/2026Ancora Advisors LLC303,380$1.74M0.0%N/A0.721%
8/14/2026Canada Pension Plan Investment Board42,500$244K0.0%N/A0.101%
8/13/2026Sanctuary Advisors LLC46,344$266K0.0%N/A0.110%
8/13/2026Connor Clark & Lunn Investment Management Ltd.18,546$106K0.0%N/A0.044%
8/12/2026EP Wealth Advisors LLC16,875$97K0.0%N/A0.040%
8/12/2026JB Capital Partners LP306,200$1.76M0.0%N/A0.727%
8/10/2026Empirical Asset Management LLC17,059$98K0.0%N/A0.041%
8/7/2026BlackRock Inc.2,840,272$16.30M0.0%N/A6.751%
8/7/2026Deutsche Bank AG61,117$351K0.0%N/A0.145%
8/6/2026Bank of New York Mellon Corp204,779$1.18M0.0%N/A0.487%
8/6/2026State of Wyoming13,503$78K0.0%N/A0.032%
7/10/2026Wedge Capital Management L L P NC137,618$790K0.0%-4.9%0.327%
5/22/2026Segall Bryant & Hamill LLC628,341$3.70M0.0%+248.4%1.494%
5/19/2026Bank of America Corp DE102,335$602K0.0%+22.7%0.243%
5/18/2026Empowered Funds LLC194,555$1.14M0.0%+10.3%0.462%
5/16/2026Quantinno Capital Management LP76,268$448K0.0%-37.5%0.181%
5/16/2026Lazard Asset Management LLC325,915$1.92M0.0%-24.5%0.775%
5/14/2026Renaissance Technologies LLC1,504,250$8.85M0.0%-11.4%3.576%
5/14/2026Arrowstreet Capital Limited Partnership881,235$5.18M0.0%-10.3%2.095%
5/14/2026State of Wyoming29,097$171K0.0%-39.5%0.069%
5/13/2026First Trust Advisors LP145,083$853K0.0%+2.2%0.345%
5/7/2026Dimensional Fund Advisors LP2,148,311$12.63M0.0%+5.1%5.107%
5/5/2026Bank of New York Mellon Corp282,435$1.66M0.0%-13.3%0.671%
5/1/2026Fifth Third Bancorp30,396$179K0.0%N/A0.072%
5/1/2026Sequoia Financial Advisors LLC14,000$82K0.0%N/A0.033%
4/30/2026Isthmus Partners LLC43,397$255K0.0%-9.0%0.103%
4/23/2026Inspire Investing LLC88,086$518K0.0%+28.4%0.207%
2/26/2026Aristides Capital LLC26,720$183K0.0%-7.5%0.062%
2/19/2026Invesco Ltd.97,108$665K0.0%+23.3%0.226%
2/18/2026EP Wealth Advisors LLC20,417$140K0.0%N/A0.047%
2/18/2026Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%
2/18/2026XTX Topco Ltd29,131$200K0.0%+104.7%0.068%
2/18/2026Tudor Investment Corp ET AL29,237$200K0.0%-85.9%0.068%
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2/18/2026Millennium Management LLC189,061$1.30M0.0%-46.9%0.440%
2/18/2026Inspire Investing LLC68,583$470K0.0%+47.7%0.159%
2/18/2026Bridgeway Capital Management LLC378,255$2.59M0.1%+4.9%0.880%
2/18/2026683 Capital Management LLC335,000$2.30M0.1%-4.3%0.779%
2/17/2026Integrated Advisors Network LLC25,281$173K0.0%-13.1%0.059%
2/17/2026AQR Capital Management LLC339,352$2.33M0.0%-1.7%0.789%
2/17/2026Lazard Asset Management LLC431,769$2.96M0.0%+65.6%1.004%
2/17/2026Westerly Capital Management LLC2,550,000$17.47M3.8%+34.9%5.930%
2/17/2026Trexquant Investment LP59,580$408K0.0%-71.8%0.139%
2/17/2026Osaic Holdings Inc.22,882$157K0.0%-12.8%0.053%
2/17/2026Kerrisdale Advisers LLC57,622$395K0.2%-10.1%0.134%
2/17/2026Russell Investments Group Ltd.138,687$950K0.0%-7.3%0.323%
2/17/2026State of Wisconsin Investment Board99,764$683K0.0%+37.0%0.232%
2/17/2026Kemnay Advisory Services Inc.9,124$62K0.0%N/A0.021%
2/17/2026Mangrove Partners IM LLC14,058$96K0.0%N/A0.033%
2/17/2026Graham Capital Management L.P.36,985$253K0.0%+9.7%0.086%
2/16/2026Squarepoint Ops LLC34,137$234K0.0%N/A0.079%
2/16/2026Barclays PLC67,991$466K0.0%+12.3%0.158%
2/13/2026Marshall Wace LLP465,130$3.19M0.0%+270.4%1.082%
2/13/2026Inspire Advisors LLC14,696$101K0.0%N/A0.034%
2/13/2026Segall Bryant & Hamill LLC180,354$1.24M0.0%N/A0.419%
2/13/2026Jacobs Levy Equity Management Inc.159,728$1.09M0.0%-28.4%0.371%
2/13/2026First Trust Advisors LP141,978$973K0.0%+3.0%0.330%
2/13/2026Ieq Capital LLC24,012$164K0.0%-22.0%0.056%
2/13/2026Boston Partners21,256$146K0.0%-11.0%0.049%
2/13/2026Wells Fargo & Company MN43,900$301K0.0%+48.8%0.102%
2/12/2026Jane Street Group LLC91,216$625K0.0%-36.0%0.212%
2/12/2026New South Capital Management Inc.1,283,528$8.79M0.4%-3.8%2.985%
2/12/2026Aristides Capital LLC26,720$183K0.0%-7.5%0.062%
2/12/2026Commonwealth Equity Services LLC38,650$265K0.0%-4.6%0.090%
2/12/2026Renaissance Technologies LLC1,697,250$11.63M0.0%-5.5%3.947%
2/12/2026Dimensional Fund Advisors LP2,043,151$14.00M0.0%+1.7%4.752%
2/12/2026Campbell & CO Investment Adviser LLC52,762$361K0.0%+7.2%0.123%
2/12/2026Aviva PLC67,703$464K0.0%+42.5%0.157%
2/11/2026Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%
2/11/2026Janney Montgomery Scott LLC18,022$123K0.0%N/A0.042%
2/11/2026Deutsche Bank AG53,225$365K0.0%-14.8%0.124%
2/11/2026Franklin Resources Inc.77,522$531K0.0%-26.2%0.180%
2/11/2026Brandywine Global Investment Management LLC22,600$155K0.0%N/A0.053%
2/11/2026O Shaughnessy Asset Management LLC170,826$1.17M0.0%-2.9%0.397%
2/11/2026Los Angeles Capital Management LLC221,182$1.52M0.0%-4.3%0.514%
2/11/2026WINTON GROUP Ltd33,098$227K0.0%-48.7%0.077%
2/11/2026State of Wyoming48,062$329K0.0%+20.0%0.112%
2/10/2026Goldman Sachs Group Inc.189,896$1.30M0.0%+15.5%0.442%
2/10/2026AXQ Capital LP12,433$85K0.0%N/A0.029%
2/10/2026Hillsdale Investment Management Inc.44,000$301K0.0%+41.9%0.102%
2/10/2026Intech Investment Management LLC14,602$100K0.0%-24.0%0.034%
2/9/2026Geode Capital Management LLC943,154$6.46M0.0%-1.2%2.193%
2/5/2026Northwestern Mutual Wealth Management Co.269,256$1.84M0.0%+53,751.2%0.626%
2/4/2026Pacific Ridge Capital Partners LLC118,406$811K0.2%+14.3%0.275%
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2/3/2026Kestrel Investment Management Corp201,750$1.38M0.8%-3.4%0.469%
2/2/2026Strs Ohio77,100$528K0.0%+29.4%0.179%
1/30/2026North Star Investment Management Corp.4,075$28K0.0%-97.6%0.009%
1/29/2026Marathon Capital Management175,325$1.20M0.3%-9.8%0.408%
1/26/2026CWM LLC12,080$83K0.0%-14.3%0.028%
1/26/2026KBC Group NV123,001$843K0.0%N/A0.286%
1/23/2026State of Alaska Department of Revenue4,145$28K0.0%N/A0.010%
1/21/2026Prime Capital Investment Advisors LLC11,794$81K0.0%N/A0.027%
1/14/2026Wedge Capital Management L L P NC153,364$1.05M0.0%-1.1%0.357%
1/14/2026Exchange Traded Concepts LLC35,366$242K0.0%+26.4%0.082%


HDSN Institutional Ownership - Frequently Asked Questions

During the previous two years, 177 institutional investors and hedge funds held shares of Hudson Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($23.57M), Hartree Partners LP ($22.05M), Westerly Capital Management LLC ($17.47M), BlackRock Inc. ($16.30M), Dimensional Fund Advisors LP ($12.63M), Renaissance Technologies LLC ($8.85M), and New South Capital Management Inc. ($8.79M).Learn more on Hudson Technologies' institutional investors.

71.34% of Hudson Technologies' stock is owned by institutional investors. Learn more on HDSN's institutional investor holdings.

Of the 151 institutional investors that purchased Hudson Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hartree Partners LP ($3.57M), BlackRock Inc. ($2.84M), Westerly Capital Management LLC ($1.64M), D. E. Shaw & Co. Inc. ($993.83K), Arrowstreet Capital Limited Partnership ($874.46K), JPMorgan Chase & Co. ($653.69K), and Segall Bryant & Hamill LLC ($628.34K).

Institutional investors have bought a total of 9,563,567 shares in the last 24 months. This purchase volume represents approximately $65.25M in transactions.

Of the 51 institutional investors that sold Hudson Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Renaissance Technologies LLC ($292.60K), Millennium Management LLC ($277.66K), Tudor Investment Corp ET AL ($178.01K), North Star Investment Management Corp. ($166K), Two Sigma Investments LP ($163.06K), Trexquant Investment LP ($151.33K), and Westerly Capital Management LLC ($110K).

Institutional investors have sold a total of 2,429,904 shares in the last 24 months. This volume of shares sold represents approximately $18.58M in transactions.


Related Companies

Institutional ownership data for NASDAQ:HDSN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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