HUDSON TECHNOLOGIES INC (HDSN) Institutional Ownership Changes & 13F Activity

HUDSON TECHNOLOGIES INC (HDSN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, and Oaktree Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-193,0001,504,250$8,844,990
Q1 2026Sequoia Financial AdvisorsBuy1,17514,000$82,320
Q4 2025Renaissance Technologies LLCSell-99,6001,697,250$11,626,163
Q3 2025Renaissance Technologies LLCBuy125,0001,796,850$17,842,721
Q2 2025Oaktree Capital ManagementBuy562,662562,662$4,568,815
Q2 2025Renaissance Technologies LLCBuy183,5001,671,850$13,575,422
Q2 2025Sequoia Financial AdvisorsSell-3,70012,825$104,139
Q1 2025Renaissance Technologies LLCSell-13,8001,488,350$9,183,119
Q1 2025Sequoia Financial AdvisorsBuy3,22516,525$101,960
Q4 2024Renaissance Technologies LLCBuy246,0001,502,150$8,381,997
Q4 2024Sequoia Financial AdvisorsSell-1,00013,300$74,214
Q3 2024Renaissance Technologies LLCSell-68,7001,256,150$10,476,291
Q3 2024Sequoia Financial AdvisorsBuy60014,300$119,262
Q2 2024Renaissance Technologies LLCSell-28,6001,324,850$11,645,431
Q2 2024Sequoia Financial AdvisorsBuy2,30013,700$120,423
Q1 2024Renaissance Technologies LLCBuy16,7001,353,450$14,901
Q1 2024Sequoia Financial AdvisorsBuy8411,400$125,514
Q4 2023Renaissance Technologies LLCBuy20,6001,336,750$18,033
Q3 2023Renaissance Technologies LLCBuy55,4001,316,150$17,505
Q2 2023Renaissance Technologies LLCSell-27,9001,260,750$12,128
Q2 2023Sequoia Financial AdvisorsBuy1,31611,316$108,860
Q1 2023Renaissance Technologies LLCSell-9,2981,288,650$11,250
Q4 2022Renaissance Technologies LLCBuy193,5981,297,948$13,135
Q3 2022Renaissance Technologies LLCSell-60,3001,104,350$8,117
Q2 2022Renaissance Technologies LLCBuy243,5001,164,650$8,747
Q2 2022Sequoia Financial AdvisorsSell-13,72110,000$75
Q1 2022Renaissance Technologies LLCBuy165,800921,150$5,720
Q1 2022Sequoia Financial AdvisorsSell-10,00023,721$147
Q4 2021Renaissance Technologies LLCBuy253,500755,350$3,354
Q4 2021Sequoia Financial AdvisorsBuy33,72133,721$150

Frequently asked questions about HDSN activity

  • Which institutional owners are buying HDSN?

    Institutional owners buying HDSN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in HDSN activity?

    "Buy" means an investor increased their reported position in HDSN compared to the prior reporting period. This reflects growing exposure to HUDSON TECHNOLOGIES INC (HDSN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in HDSN increasing?

    Institutional interest in HDSN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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