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Hudson Technologies (HDSN) Institutional Ownership

Hudson Technologies logo
$5.63 +0.06 (+1.08%)
As of 08/21/2026 04:00 PM Eastern
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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)
$65.02M
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
8/20/2026 Kerrisdale Advisers LLC299,976$1.72M0.4%+420.6%0.713%
8/20/2026 Ancora Advisors LLC303,380$1.74M0.0%N/A0.721%
8/18/2026 Empowered Funds LLC205,878$1.18M0.0%N/A0.489%
8/18/2026 Public Employees Retirement System of Ohio51,499$296K0.0%N/A0.122%
8/17/2026 Bank of America Corp DE57,906$332K0.0%N/A0.138%
8/15/2026 Odyssean LLC50,673$291K0.0%N/A0.120%
8/14/2026 Ancora Advisors LLC303,380$1.74M0.0%N/A0.721%
8/14/2026 Canada Pension Plan Investment Board42,500$244K0.0%N/A0.101%
8/13/2026 Sanctuary Advisors LLC46,344$266K0.0%N/A0.110%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.18,546$106K0.0%N/A0.044%
8/12/2026 EP Wealth Advisors LLC16,875$97K0.0%N/A0.040%
8/12/2026 JB Capital Partners LP306,200$1.76B0.3%N/A0.727%
8/10/2026 Empirical Asset Management LLC17,059$98K0.0%N/A0.041%
8/7/2026 BlackRock Inc.2,840,272$16.30M0.0%N/A6.751%
8/7/2026 Deutsche Bank AG61,117$351K0.0%N/A0.145%
8/6/2026 Bank of New York Mellon Corp204,779$1.18M0.0%N/A0.487%
8/6/2026 State of Wyoming13,503$78K0.0%N/A0.032%
7/10/2026 Wedge Capital Management L L P NC137,618$790K0.0%-4.9%0.327%
5/22/2026 Segall Bryant & Hamill LLC628,341$3.70M0.0%+248.4%1.494%
5/19/2026 Bank of America Corp DE102,335$602K0.0%+22.7%0.243%
5/18/2026 Empowered Funds LLC194,555$1.14M0.0%+10.3%0.462%
5/16/2026 Quantinno Capital Management LP76,268$448K0.0%-37.5%0.181%
5/16/2026 Lazard Asset Management LLC325,915$1.92M0.0%-24.5%0.775%
5/14/2026 Renaissance Technologies LLC1,504,250$8.85M0.0%-11.4%3.576%
5/14/2026 Arrowstreet Capital Limited Partnership881,235$5.18M0.0%-10.3%2.095%
5/14/2026 State of Wyoming29,097$171K0.0%-39.5%0.069%
5/13/2026 First Trust Advisors LP145,083$853K0.0%+2.2%0.345%
5/7/2026 Dimensional Fund Advisors LP2,148,311$12.63M0.0%+5.1%5.107%
5/5/2026 Bank of New York Mellon Corp282,435$1.66M0.0%-13.3%0.671%
5/1/2026 Fifth Third Bancorp30,396$179K0.0%N/A0.072%
5/1/2026 Sequoia Financial Advisors LLC14,000$82K0.0%N/A0.033%
4/30/2026 Isthmus Partners LLC43,397$255K0.0%-9.0%0.103%
4/23/2026 Inspire Investing LLC88,086$518K0.0%+28.4%0.207%
2/26/2026 Aristides Capital LLC26,720$183K0.0%-7.5%0.062%
2/19/2026 Invesco Ltd.97,108$665K0.0%+23.3%0.226%
2/18/2026 EP Wealth Advisors LLC20,417$140K0.0%N/A0.047%
2/18/2026 Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%
2/18/2026 XTX Topco Ltd29,131$200K0.0%+104.7%0.068%
2/18/2026 Tudor Investment Corp ET AL29,237$200K0.0%-85.9%0.068%
2/18/2026 Millennium Management LLC189,061$1.30M0.0%-46.9%0.440%
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2/18/2026 Inspire Investing LLC68,583$470K0.0%+47.7%0.159%
2/18/2026 Bridgeway Capital Management LLC378,255$2.59M0.1%+4.9%0.880%
2/18/2026 683 Capital Management LLC335,000$2.30M0.1%-4.3%0.779%
2/17/2026 Integrated Advisors Network LLC25,281$173K0.0%-13.1%0.059%
2/17/2026 AQR Capital Management LLC339,352$2.33M0.0%-1.7%0.789%
2/17/2026 Lazard Asset Management LLC431,769$2.96M0.0%+65.6%1.004%
2/17/2026 Westerly Capital Management LLC2,550,000$17.47M3.8%+34.9%5.930%
2/17/2026 Trexquant Investment LP59,580$408K0.0%-71.8%0.139%
2/17/2026 Osaic Holdings Inc.22,882$157K0.0%-12.8%0.053%
2/17/2026 Kerrisdale Advisers LLC57,622$395K0.2%-10.1%0.134%
2/17/2026 Russell Investments Group Ltd.138,687$950K0.0%-7.3%0.323%
2/17/2026 State of Wisconsin Investment Board99,764$683K0.0%+37.0%0.232%
2/17/2026 Kemnay Advisory Services Inc.9,124$62K0.0%N/A0.021%
2/17/2026 Mangrove Partners IM LLC14,058$96K0.0%N/A0.033%
2/17/2026 Graham Capital Management L.P.36,985$253K0.0%+9.7%0.086%
2/16/2026 Squarepoint Ops LLC34,137$234K0.0%N/A0.079%
2/16/2026 Barclays PLC67,991$466K0.0%+12.3%0.158%
2/13/2026 Marshall Wace LLP465,130$3.19M0.0%+270.4%1.082%
2/13/2026 Inspire Advisors LLC14,696$101K0.0%N/A0.034%
2/13/2026 Segall Bryant & Hamill LLC180,354$1.24M0.0%N/A0.419%
2/13/2026 Jacobs Levy Equity Management Inc.159,728$1.09M0.0%-28.4%0.371%
2/13/2026 First Trust Advisors LP141,978$973K0.0%+3.0%0.330%
2/13/2026 Ieq Capital LLC24,012$164K0.0%-22.0%0.056%
2/13/2026 Boston Partners21,256$146K0.0%-11.0%0.049%
2/13/2026 Wells Fargo & Company MN43,900$301K0.0%+48.8%0.102%
2/12/2026 Jane Street Group LLC91,216$625K0.0%-36.0%0.212%
2/12/2026 New South Capital Management Inc.1,283,528$8.79M0.4%-3.8%2.985%
2/12/2026 Aristides Capital LLC26,720$183K0.0%-7.5%0.062%
2/12/2026 Commonwealth Equity Services LLC38,650$265K0.0%-4.6%0.090%
2/12/2026 Renaissance Technologies LLC1,697,250$11.63M0.0%-5.5%3.947%
2/12/2026 Dimensional Fund Advisors LP2,043,151$14.00M0.0%+1.7%4.752%
2/12/2026 Campbell & CO Investment Adviser LLC52,762$361K0.0%+7.2%0.123%
2/12/2026Aviva PLC67,703$464K0.0%+42.5%0.157%
2/11/2026 Empowered Funds LLC176,413$1.21M0.0%+11.1%0.410%
2/11/2026 Janney Montgomery Scott LLC18,022$123K0.0%N/A0.042%
2/11/2026 Deutsche Bank AG53,225$365K0.0%-14.8%0.124%
2/11/2026 Franklin Resources Inc.77,522$531K0.0%-26.2%0.180%
2/11/2026Brandywine Global Investment Management LLC22,600$155K0.0%N/A0.053%
2/11/2026 O Shaughnessy Asset Management LLC170,826$1.17M0.0%-2.9%0.397%
2/11/2026 Los Angeles Capital Management LLC221,182$1.52M0.0%-4.3%0.514%
2/11/2026 WINTON GROUP Ltd33,098$227K0.0%-48.7%0.077%
2/11/2026 State of Wyoming48,062$329K0.0%+20.0%0.112%
2/10/2026 Goldman Sachs Group Inc.189,896$1.30M0.0%+15.5%0.442%
2/10/2026 AXQ Capital LP12,433$85K0.0%N/A0.029%
2/10/2026 Hillsdale Investment Management Inc.44,000$301K0.0%+41.9%0.102%
2/10/2026 Intech Investment Management LLC14,602$100K0.0%-24.0%0.034%
2/9/2026 Geode Capital Management LLC943,154$6.46M0.0%-1.2%2.193%
2/5/2026 Northwestern Mutual Wealth Management Co.269,256$1.84M0.0%+53,751.2%0.626%
2/4/2026 Pacific Ridge Capital Partners LLC118,406$811K0.2%+14.3%0.275%
2/3/2026 Kestrel Investment Management Corp201,750$1.38M0.8%-3.4%0.469%
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2/2/2026 Strs Ohio77,100$528K0.0%+29.4%0.179%
1/30/2026 North Star Investment Management Corp.4,075$28K0.0%-97.6%0.009%
1/29/2026 Marathon Capital Management175,325$1.20M0.3%-9.8%0.408%
1/26/2026CWM LLC12,080$83K0.0%-14.3%0.028%
1/26/2026 KBC Group NV123,001$843K0.0%N/A0.286%
1/23/2026 State of Alaska Department of Revenue4,145$28K0.0%N/A0.010%
1/21/2026 Prime Capital Investment Advisors LLC11,794$81K0.0%N/A0.027%
1/14/2026 Wedge Capital Management L L P NC153,364$1.05M0.0%-1.1%0.357%
1/14/2026 Exchange Traded Concepts LLC35,366$242K0.0%+26.4%0.082%
1/14/2026 EdgeRock Capital LLC90,517$620K0.2%+6.1%0.210%


HDSN Institutional Ownership - Frequently Asked Questions

During the previous two years, 178 institutional investors and hedge funds held shares of Hudson Technologies. The most heavily invested institutionals were JB Capital Partners LP ($1.76B), 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), and Renaissance Technologies LLC ($8.85M).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 152 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 9,523,365 shares in the last 24 months. This purchase volume represents approximately $65.02M 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.


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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 8/20/2026. New 13F filings are added each quarter as they're published.
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