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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 10 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
First Trust Advisors LP103,209$901.0K0.00%+7,872+8.3%Added
Navellier & Associates Inc105,159$918.0K0.19%−3,381−3.1%Reduced
SummerHaven Investment Management, LLC108,495$947.2K0.55%+1,902+1.8%Added
Charles Schwab Investment Management Inc115,588$1.01M0.00%+1,076+0.9%Added
Nuveen Asset Management, LLC117,815$1.03M0.00%−3,813−3.1%Reduced
Essex Investment Management Co LLC124,712$1.09M0.16%−19,306−13.4%Reduced
Bridgeway Capital Management, LLC129,485$1.13M0.03%−77,215−37.4%Reduced
ExodusPoint Capital Management, LP148,636$1.30M0.01%+148,636New
Schroder Investment Management Group152,024$1.33M0.00%−2,128−1.4%Reduced
AQR Capital Management LLC185,702$1.62M0.00%+136,792+279.7%Added
Goldman Sachs Group Inc187,271$1.63M0.00%+91,344+95.2%Added
Deutsche Bank AG194,968$1.70M0.00%+8,305+4.4%Added
Los Angeles Capital Management LLC197,885$1.73M0.01%−62,492−24.0%Reduced
Westerly Capital Management, LLC200,000$1.75M1.26%−200,000−50.0%Reduced
Allspring Global Investments Holdings, LLC202,336$1.77M0.00%−66,151−24.6%Reduced
American Century Companies Inc223,553$1.90M0.00%+111,563+99.6%Added
M&T Bank Corp221,762$1.94M0.01%+91,314+70.0%Added
Uniplan Investment Counsel, Inc.232,669$2.03M0.14%+132,545+132.4%Added
Qube Research & Technologies Ltd238,571$2.08M0.01%−40,041−14.4%Reduced
Two Sigma Advisers, LP274,100$2.39M0.01%−149,500−35.3%Reduced
Ameriprise Financial Inc290,911$2.55M0.00%+60,155+26.1%Added
Bank of New York Mellon Corp294,978$2.58M0.00%−20,096−6.4%Reduced
JB Capital Partners LP306,200$2.67M0.66%00.0%Unchanged
Maven Securities LTD325,000$2.84M0.45%−75,000−18.8%Reduced
Northern Trust Corp358,270$3.13M0.00%+4,191+1.2%Added
Foundry Partners, LLC364,901$3.19M0.20%+364,901New
Morgan Stanley399,849$3.49M0.00%−246,211−38.1%Reduced
State Street Corp700,133$6.11M0.00%+22,428+3.3%Added
Geode Capital Management, LLC783,056$6.84M0.00%+30,543+4.1%Added
FMR LLC872,444$7.62M0.00%+63,410+7.8%Added
Marathon Capital Management890,000$7.77M1.91%−46,561−5.0%Reduced
Granahan Investment Management Inc946,111$8.26M0.25%−51,191−5.1%Reduced
Dimensional Fund Advisors LP1,278,791$11.2M0.00%+173,622+15.7%Added
Renaissance Technologies LLC1,288,650$11.3M0.01%−9,298−0.7%Reduced
Royce & Associates LP1,960,172$17.1M0.17%+96,476+5.2%Added
Vanguard Group Inc2,198,524$19.2M0.00%+25,129+1.2%Added
BlackRock Inc.2,661,470$23.2M0.00%−21,690−0.8%Reduced
Cooper Creek Partners Management LLC3,085,140$26.9M1.90%+691,774+28.9%Added
ArrowMark Colorado Holdings LLC3,358,614$29.3M0.33%+1,266,687+60.6%Added
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