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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, Q1 2023

Institutional positions in Hudson Technologies Inc as of Mar 31, 2023. 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
139
−2 vs. Q4 2022
Shares held
28.0M
+368.8K (+1.3%) vs. Q4 2022
Total value
$244.0M
−$35.2M (−12.6%) vs. Q4 2022
New holders
26
39 more added
Sold out
28
44 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 139 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 heldQ1 2023: $244.0M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q4 2022.

Institutions holding HDSN in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Mutual Advisors, LLC10,600$92.5K0.00%−1,700−13.8%Reduced
Legato Capital Management LLC10,527$91.9K0.02%−1,629−13.4%Reduced
Millennium Management LLC10,348$90.0K0.00%−17,922−63.4%Reduced
Versor Investments LP10,100$88.2K0.01%+10,100New
Group One Trading, L.P.9,189$80.2K0.00%+3,700+67.4%Added
Russell Investments Group, Ltd.8,900$77.7K0.00%−10,100−53.2%Reduced
The PNC Financial Services Group, Inc.8,000$69.8K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.7,500$65.5K0.01%−4,000−34.8%Reduced
PEAK6 Investments LLC7,219$63.0K0.00%+7,219New
Denali Advisors LLC6,274$54.8K0.02%00.0%Unchanged
Amalgamated Bank6,018$53.0K0.00%−906−13.1%Reduced
Tucker Asset Management LLC5,335$46.6K0.01%+5,335New
Legal & General Group Plc5,256$45.9K0.00%00.0%Unchanged
Simplex Trading, LLC4,966$43.0K0.00%+4,966New
New York State Teachers Retirement System3,800$33.0K0.00%00.0%Unchanged
Gladius Capital Management LP3,597$31.4K0.01%+3,597New
Quarry LP3,577$31.2K0.02%+3,577New
Royal Bank of Canada3,563$31.0K0.00%−3,323−48.3%Reduced
STRS Ohio3,600$31.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,235$28.2K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC3,000$26.2K0.00%+3,000New
Meeder Asset Management Inc2,565$22.4K0.00%00.0%Unchanged
Truvestments Capital LLC1,800$15.7K0.01%+400+28.6%Added
Metropolitan Life Insurance Co1,582$13.8K0.00%−1,095−40.9%Reduced
Federation des caisses Desjardins du Quebec1,500$13.1K0.00%+1,150+328.6%Added
Tower Research Capital LLC (TRC)1,123$10.0K0.00%−16,141−93.5%Reduced
Aquatic Capital Management LLC1,200$10.0K0.00%−2,600−68.4%Reduced
Citadel Advisors LLC959$8.37K0.00%−67,328−98.6%Reduced
IFP Advisors, Inc1,150$2.42K0.00%00.0%Unchanged
Parallel Advisors, LLC263$2.30K0.00%00.0%Unchanged
Signaturefd, LLC211$1.84K0.00%00.0%Unchanged
Quadrant Capital Group LLC208$1.82K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$1.75K0.00%+200New
Lindbrook Capital, LLC186$1.62K0.00%00.0%Unchanged
US Bancorp136$1.19K0.00%00.0%Unchanged
Stephens Consulting, LLC126$1.10K0.00%00.0%Unchanged
Private Trust Co NA22$1920.00%+22New
Coastal Capital Group, Inc.8$700.00%00.0%Unchanged
Nisa Investment Advisors, LLC37$00.00%00.0%Unchanged
RK Capital Management, LLC0$00.00%−576,100−100.0%Sold out
Acadian Asset Management LLC0$00.00%−479,871−100.0%Sold out
EAM Investors, LLC0$00.00%−346,347−100.0%Sold out
EAM Global Investors LLC0$00.00%−133,047−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−98,161−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−96,001−100.0%Sold out
Mackenzie Financial Corp0$00.00%−45,210−100.0%Sold out
Quadrature Capital Ltd0$00.00%−39,091−100.0%Sold out
SEI Investments Co0$00.00%−38,980−100.0%Sold out
Jump Financial, LLC0$00.00%−36,398−100.0%Sold out
Marshall Wace, LLP0$00.00%−30,953−100.0%Sold out
Bailard, Inc.0$00.00%−30,332−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−26,309−100.0%Sold out
Ergoteles LLC0$00.00%−21,327−100.0%Sold out
Merit Financial Group, LLC0$00.00%−20,000−100.0%Sold out
Raymond James & Associates0$00.00%−19,727−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−17,802−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−13,700−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−11,370−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−11,282−100.0%Sold out
Dorsey Wright & Associates0$00.00%−6,919−100.0%Sold out
Cutler Group LP0$00.00%−4,145−100.0%Sold out
Point72 Middle East FZE0$00.00%−1,441−100.0%Sold out
Money Concepts Capital Corp0$00.00%−300−100.0%Sold out
Citigroup Inc0$00.00%−290−100.0%Sold out
Federated Hermes, Inc.0$00.00%−127−100.0%Sold out
GWM Advisors LLC0$00.00%−37−100.0%Sold out
Credit Suisse AG0$00.00%−2−100.0%Sold out
Monarch Partners Asset Management LLC––––Not filed
Tyler-Stone Wealth Management––––Not filed