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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

HDSN holding history

Hudson Technologies Inc in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

HDSN overviewAll 13F holders of HDSNFull Q2 2026 holdings

Shares (Q2 2026)
574,266
Value
$3.30M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of HDSN by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026574,266$3.30M<0.1%+161,516+39.1%AddedHolders
Q1 2026412,750$2.43M<0.1%+332,667+415.4%AddedHolders
Q4 202580,083$548.6K<0.1%−34,303−30.0%ReducedHolders
Q3 2025114,386$1.14M<0.1%+18,792+19.7%AddedHolders
Q2 202595,594$776.2K<0.1%−115,174−54.6%ReducedHolders
Q1 2025210,768$1.30M<0.1%−286,180−57.6%ReducedHolders
Q4 2024496,948$2.77M<0.1%+225,016+82.7%AddedHolders
Q3 2024271,932$2.27M<0.1%−159,361−36.9%ReducedHolders
Q2 2024431,293$3.79M<0.1%+132,601+44.4%AddedHolders
Q1 2024298,692$3.29M<0.1%+135,993+83.6%AddedHolders
Q4 2023162,699$2.19M<0.1%−68,609−29.7%ReducedHolders
Q3 2023231,308$3.08M<0.1%+218,074+1,647.8%AddedHolders
Q2 202313,234$127.3K<0.1%+12,275+1,280.0%AddedHolders
Q1 2023959$8.37K<0.1%−67,328−98.6%ReducedHolders
Q4 202268,287$691.1K<0.1%−46,934−40.7%ReducedHolders
Q3 2022115,221$847.0K<0.1%+83,957+268.5%AddedHolders
Q2 202231,264$234.0K<0.1%+4,773+18.0%AddedHolders
Q1 202226,491$164.0K<0.1%−63,275−70.5%ReducedHolders
Q4 202189,766$398.0K<0.1%+72,663+424.9%AddedHolders
Q3 202117,103$60.0K<0.1%−35,915−67.7%ReducedHolders
Q2 202153,018$180.0K<0.1%+24,370+85.1%AddedHolders
Q1 202128,648$46.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.