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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, Q4 2024

Institutional positions in Hudson Technologies Inc as of Dec 31, 2024. 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
168
0 vs. Q3 2024
Shares held
30.3M
+424.0K (+1.4%) vs. Q3 2024
Total value
$169.6M
−$80.0M (−32.0%) vs. Q3 2024
New holders
41
62 more added
Sold out
41
40 more reduced

4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 168 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 heldQ4 2024: $169.6M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q3 2024.

Institutions holding HDSN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,161,573$17.6M0.00%−161,562−4.9%Reduced
Vanguard Group Inc2,577,556$14.4M0.00%+89,274+3.6%Added
Dimensional Fund Advisors LP2,051,672$11.4M0.00%−81,592−3.8%Reduced
Renaissance Technologies LLC1,502,150$8.38M0.01%+246,000+19.6%Added
D. E. Shaw & Co., Inc.1,345,553$7.51M0.01%+993,833+282.6%Added
New South Capital Management Inc1,321,717$7.38M0.31%−21,455−1.6%Reduced
Westerly Capital Management, LLC1,017,580$5.68M2.62%+207,580+25.6%Added
Geode Capital Management, LLC995,729$5.56M0.00%+4,873+0.5%Added
State Street Corp950,108$5.30M0.00%−5,022−0.5%Reduced
JPMorgan Chase & Co853,252$4.76M0.00%+514,645+152.0%Added
American Century Companies Inc790,472$4.41M0.00%+90,921+13.0%Added
Morgan Stanley742,363$4.14M0.00%+274,140+58.5%Added
683 Capital Management, LLC635,900$3.55M0.35%+300,110+89.4%Added
AQR Capital Management LLC551,991$3.08M0.00%+423,980+331.2%Added
Citadel Advisors LLC496,948$2.77M0.00%+225,016+82.7%Added
Lazard Asset Management LLC485,626$2.71M0.00%−12,283−2.5%Reduced
Public Employees Retirement System of Ohio418,740$2.34M0.01%+51,100+13.9%Added
Praetorian PR LLC400,000$2.23M0.91%−1,057−0.3%Reduced
Marathon Capital Management390,700$2.18M0.54%−8,100−2.0%Reduced
Grizzlyrock Capital, LLC382,199$2.13M2.23%−121,396−24.1%Reduced
Northern Trust Corp378,569$2.11M0.00%+20,142+5.6%Added
Qube Research & Technologies Ltd364,981$2.04M0.00%+180,124+97.4%Added
Two Sigma Investments, LP361,978$2.02M0.00%+278,352+332.9%Added
Bastion Asset Management Inc.266,426$1.83M1.21%+266,426New
Arrowstreet Capital, Limited Partnership310,564$1.73M0.00%+310,564New
JB Capital Partners LP306,200$1.71M0.33%00.0%Unchanged
Wedge Capital Management L L P288,962$1.61M0.03%+288,962New
Two Sigma Advisers, LP234,400$1.31M0.00%+139,800+147.8%Added
Kestrel Investment Management Corp218,650$1.22M0.67%00.0%Unchanged
Marshall Wace, LLP212,229$1.18M0.00%−11,782−5.3%Reduced
Cubist Systematic Strategies, LLC196,580$1.10M0.02%+93,944+91.5%Added
Bridgeway Capital Management, LLC195,512$1.09M0.02%+195,512New
BNP Paribas Arbitrage, SA190,623$1.06M0.00%+160,774+538.6%Added
Bank of New York Mellon Corp189,321$1.06M0.00%+23,066+13.9%Added
North Star Investment Management Corp.189,125$1.06M0.07%+41,475+28.1%Added
Trexquant Investment LP187,061$1.04M0.01%+32,233+20.8%Added
Millennium Management LLC184,407$1.03M0.00%+143,815+354.3%Added
Goldman Sachs Group Inc164,787$919.5K0.00%−28,770−14.9%Reduced
Man Group plc142,767$796.6K0.00%+142,767New
Jacobs Levy Equity Management, Inc141,772$791.1K0.00%+141,772New
Charles Schwab Investment Management Inc122,056$681.1K0.00%00.0%Unchanged
Nuveen Asset Management, LLC115,574$644.9K0.00%00.0%Unchanged
Engineers Gate Manager LP115,517$644.6K0.01%+76,057+192.7%Added
Russell Investments Group, Ltd.110,727$617.9K0.00%+3,990+3.7%Added
Pinnacle Associates Ltd109,211$609.4K0.01%+34,211+45.6%Added
Prudential Financial Inc108,295$604.3K0.00%−19,900−15.5%Reduced
Ameriprise Financial Inc107,452$599.6K0.00%+107,452New
Aviva PLC105,507$588.7K0.00%+25,086+31.2%Added
STRS Ohio104,800$584.8K0.00%+84,300+411.2%Added
XTX Topco Ltd103,229$576.0K0.05%+61,651+148.3%Added
Comerica Bank102,435$571.6K0.00%+100,983+6,954.8%Added
Forest Hill Capital, LLC100,000$558.0K0.43%+100,000New
Bank of America Corp93,942$524.2K0.00%+47,533+102.4%Added
SummerHaven Investment Management, LLC91,808$512.3K0.32%00.0%Unchanged
Jane Street Group, LLC86,131$480.6K0.00%+6,263+7.8%Added
Truvestments Capital LLC83,444$465.6K0.12%+36,622+78.2%Added
Winton Group Ltd81,618$455.4K0.03%+81,618New
Graham Capital Management, L.P.80,945$451.7K0.01%+45,083+125.7%Added
Numerai GP LLC80,050$446.7K0.12%−17,957−18.3%Reduced
Pacific Ridge Capital Partners, LLC79,534$443.8K0.10%00.0%Unchanged
KLP Kapitalforvaltning AS76,300$425.8K0.00%+76,300New
Franklin Resources Inc73,104$407.9K0.00%+3,335+4.8%Added
Victory Capital Management Inc72,552$404.8K0.00%+32,171+79.7%Added
Jump Financial, LLC71,328$398.0K0.01%+35,420+98.6%Added
Deutsche Bank AG70,995$396.2K0.00%+19,146+36.9%Added
Janus Henderson Group PLC69,957$390.4K0.00%−12,543−15.2%Reduced
Rhumbline Advisers69,541$388.0K0.00%+2,601+3.9%Added
State of Wisconsin Investment Board67,385$376.0K0.00%+10,048+17.5%Added
Barclays PLC67,365$375.9K0.00%−826−1.2%Reduced
Kerrisdale Advisers, LLC64,100$357.7K0.12%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd59,731$333.3K0.02%+22,661+61.1%Added
Zazove Associates LLC56,250$313.9K0.03%00.0%Unchanged
UBS Group AG55,007$306.9K0.00%−851,757−93.9%Reduced
Exchange Traded Concepts, LLC54,682$305.1K0.01%+18,344+50.5%Added
EntryPoint Capital, LLC54,531$304.3K0.13%+21,940+67.3%Added
Sherbrooke Park Advisers LLC53,497$298.5K0.10%−79,661−59.8%Reduced
Algert Global LLC50,365$281.0K0.01%+12,090+31.6%Added
Invesco Ltd.47,099$262.8K0.00%−308−0.6%Reduced
Sanctuary Advisors, LLC44,008$253.0K0.00%−769−1.7%Reduced
Raymond James Financial Inc44,699$249.4K0.00%+44,699New
Williams Jones Wealth Management, LLC.44,000$245.5K0.00%−57,293−56.6%Reduced
Koss-Olinger Consulting, LLC41,897$234.0K0.02%−2,106−4.8%Reduced
Grimes & Company, Inc.41,163$229.7K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC40,564$226.0K0.00%−100−0.2%Reduced
Alliancebernstein L.P.40,060$223.5K0.00%00.0%Unchanged
Balyasny Asset Management LLC40,040$223.4K0.00%+40,040New
Price T Rowe Associates Inc39,192$219.0K0.00%+6,673+20.5%Added
Seizert Capital Partners, LLC38,955$217.4K0.01%−1,167−2.9%Reduced
Voya Investment Management LLC37,435$208.9K0.00%+6,839+22.4%Added
Aristides Capital LLC36,500$203.7K0.06%+36,500New
Oxford Asset Management LLP36,020$201.0K0.09%+36,020New
Citigroup Inc34,884$194.7K0.00%−615−1.7%Reduced
Los Angeles Capital Management LLC33,752$188.3K0.00%−50,688−60.0%Reduced
PharVision Advisers, LLC33,162$185.0K0.16%+33,162New
Acadian Asset Management LLC31,760$176.0K0.00%+24,954+366.6%Added
Cornercap Investment Counsel Inc30,409$169.7K0.05%+30,409New
Centiva Capital, LP29,411$164.1K0.01%+29,411New
SG Americas Securities, LLC28,681$160.0K0.00%+9,319+48.1%Added
Susquehanna International Group, LLP28,473$158.9K0.00%+28,473New
State of Tennessee, Treasury Department27,691$154.5K0.00%+27,691New