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Hudson Technologies Inc

HDSN
Exchange
Nasdaq
Industry
Wholesale-Machinery, Equipment & Supplies
SEC CIK
0000925528

In the last 90 days, Hudson Technologies Inc insiders filed 9 open-market purchases and 0 sales; 151 institutions reported holding it in 13F filings for Q2 2026, worth $181.4M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Hudson Technologies Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
149
−13 vs. Q1 2025
Shares held
33.3M
+1.76M (+5.6%) vs. Q1 2025
Total value
$270.7M
+$75.7M (+38.9%) vs. Q1 2025
New holders
22
44 more added
Sold out
35
58 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting HDSN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 149 institutions
Q1 2021: 37 institutionsQ2 2021: 53 institutionsQ3 2021: 61 institutionsQ4 2021: 65 institutionsQ1 2022: 78 institutionsQ2 2022: 112 institutionsQ3 2022: 133 institutionsQ4 2022: 143 institutionsQ1 2023: 139 institutionsQ2 2023: 132 institutionsQ3 2023: 143 institutionsQ4 2023: 145 institutionsQ1 2024: 168 institutionsQ2 2024: 161 institutionsQ3 2024: 172 institutionsQ4 2024: 168 institutionsQ1 2025: 162 institutionsQ2 2025: 149 institutionsQ3 2025: 170 institutionsQ4 2025: 168 institutionsQ1 2026: 160 institutionsQ2 2026: 151 institutions
Value heldQ2 2025: $270.7M
Q1 2021: $24.2MQ2 2021: $57.2MQ3 2021: $65.6MQ4 2021: $99.1MQ1 2022: $157.5MQ2 2022: $216.3MQ3 2022: $209.8MQ4 2022: $283.6MQ1 2023: $244.0MQ2 2023: $278.1MQ3 2023: $394.0MQ4 2023: $417.5MQ1 2024: $346.3MQ2 2024: $279.3MQ3 2024: $257.8MQ4 2024: $169.6MQ1 2025: $194.9MQ2 2025: $270.7MQ3 2025: $330.3MQ4 2025: $226.4MQ1 2026: $194.0MQ2 2026: $181.4M
Institutions holding HDSN and their total value by quarter
QuarterHoldersValue
Q2 2026151$181.4M
Q1 2026160$194.0M
Q4 2025168$226.4M
Q3 2025170$330.3M
Q2 2025149$270.7M
Q1 2025162$194.9M
Q4 2024168$169.6M
Q3 2024172$257.8M
Q2 2024161$279.3M
Q1 2024168$346.3M
Q4 2023145$417.5M
Q3 2023143$394.0M
Q2 2023132$278.1M
Q1 2023139$244.0M
Q4 2022143$283.6M
Q3 2022133$209.8M
Q2 2022112$216.3M
Q1 202278$157.5M
Q4 202165$99.1M
Q3 202161$65.6M
Q2 202153$57.2M
Q1 202137$24.2M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q1 2025.

Institutions holding HDSN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sequoia Financial Advisors, LLC12,825$104.1K0.00%−3,700−22.4%Reduced
PEAK6 LLC12,804$104.0K0.00%+12,804New
State Board of Administration of Florida Retirement System12,570$102.1K0.00%00.0%Unchanged
CWM, LLC12,406$101.0K0.00%−1,696−12.0%Reduced
Wealth Enhancement Advisory Services, LLC11,500$96.3K0.00%−1,353−10.5%Reduced
XTX Topco Ltd11,748$95.4K0.00%−4,203−26.3%Reduced
1620 Investment Advisors, Inc.11,705$95.0K0.07%−641−5.2%Reduced
Wolverine Trading, LLC11,373$91.2K0.00%+11,373New
Police & Firemen's Retirement System of New Jersey8,809$71.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)8,715$70.8K0.00%+5,576+177.6%Added
Versant Capital Management, Inc8,221$66.8K0.01%+5,441+195.7%Added
GAMMA Investing LLC6,487$52.7K0.00%+1,517+30.5%Added
Group One Trading, L.P.5,734$46.6K0.00%+5,734New
New York State Common Retirement Fund5,270$42.8K0.00%00.0%Unchanged
FMR LLC4,846$39.4K0.00%−2,327−32.4%Reduced
Ameritas Investment Partners, Inc.4,324$35.1K0.00%00.0%Unchanged
New York State Teachers Retirement System4,016$33.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC4,000$32.5K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,998$32.5K0.00%−21,153−84.1%Reduced
Legal & General Group Plc3,555$28.9K0.00%−627−15.0%Reduced
Quarry LP3,476$28.2K0.01%+3,476New
California State Teachers Retirement System3,221$26.2K0.00%00.0%Unchanged
GWM Advisors LLC2,861$23.2K0.00%00.0%Unchanged
Meeder Asset Management Inc2,565$20.8K0.00%00.0%Unchanged
Covestor Ltd1,658$13.0K0.01%−325−16.4%Reduced
Amalgamated Bank1,497$12.0K0.00%00.0%Unchanged
Sterling Capital Management LLC1,025$8.32K0.00%+359+53.9%Added
True Wealth Design, LLC1,019$8.28K0.00%−11−1.1%Reduced
Nisa Investment Advisors, LLC977$7.93K0.00%+489+100.2%Added
National Bank of Canada860$6.98K0.00%+860New
Harbor Capital Advisors, Inc.726$6.00K0.00%+126+21.0%Added
Essential Partners LLC718$5.83K0.00%+718New
EverSource Wealth Advisors, LLC717$5.82K0.00%+357+99.2%Added
Clearstead Advisors, LLC565$4.59K0.00%+565New
Northwestern Mutual Wealth Management Co500$4.06K0.00%00.0%Unchanged
Quest Partners LLC479$3.89K0.00%+479New
Caitong International Asset Management Co., Ltd472$3.83K0.00%+236+100.0%Added
Private Wealth Management Group, LLC406$3.30K0.00%00.0%Unchanged
Red Tortoise LLC328$2.66K0.00%00.0%Unchanged
IFP Advisors, Inc0$1.93K0.00%0New
First Horizon Advisors, Inc.203$1.65K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$1.62K0.00%00.0%Unchanged
Jones Financial Companies LLLP132$1.06K0.00%00.0%Unchanged
Stephens Consulting, LLC126$1.02K0.00%00.0%Unchanged
Fifth Third Bancorp124$1.01K0.00%+124New
Skopos Labs, Inc.86$6990.00%−75−46.6%Reduced
SRS Capital Advisors, Inc.77$6260.00%+77New
The PNC Financial Services Group, Inc.14$1140.00%+11+366.7%Added
SBI Securities Co., Ltd.13$1060.00%+2+18.2%Added
Grizzlyrock Capital, LLC0$00.00%−434,716−100.0%Sold out
Bastion Asset Management Inc.0$00.00%−200,888−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−134,461−100.0%Sold out
Engineers Gate Manager LP0$00.00%−92,933−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−87,192−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−82,152−100.0%Sold out
KLP Kapitalforvaltning AS0$00.00%−76,300−100.0%Sold out
Prudential Financial Inc0$00.00%−36,285−100.0%Sold out
Williams Jones Wealth Management, LLC.0$00.00%−34,000−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−22,803−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−21,781−100.0%Sold out
Sanctuary Advisors, LLC0$00.00%−21,779−100.0%Sold out
Jump Financial, LLC0$00.00%−21,586−100.0%Sold out
SG Americas Securities, LLC0$00.00%−20,813−100.0%Sold out
Algert Global LLC0$00.00%−15,725−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−15,616−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−15,590−100.0%Sold out
Aigen Investment Management, LP0$00.00%−13,807−100.0%Sold out
Verition Fund Management LLC0$00.00%−13,055−100.0%Sold out
Quadrature Capital Ltd0$00.00%−12,788−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−11,000−100.0%Sold out
Heritage Investors Management Corp0$00.00%−10,000−100.0%Sold out
Savant Capital, LLC0$00.00%−10,020−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−7,187−100.0%Sold out
Acadian Asset Management LLC0$00.00%−4,502−100.0%Sold out
Clear Street Markets LLC0$00.00%−737−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−500−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−481−100.0%Sold out
Huntington National Bank0$00.00%−354−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−300−100.0%Sold out
WealthCollab, LLC0$00.00%−142−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−87−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−41−100.0%Sold out
Rothschild Investment LLC0$00.00%−25−100.0%Sold out
Bessemer Group Inc0$00.00%−75−100.0%Sold out