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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 2023

Institutional positions in Hudson Technologies Inc as of Dec 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
145
+2 vs. Q3 2023
Shares held
31.0M
+1.33M (+4.5%) vs. Q3 2023
Total value
$417.5M
+$23.6M (+6.0%) vs. Q3 2023
New holders
23
50 more added
Sold out
21
42 more reduced

Compare with Q3 2023: 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 2023: 145 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 2023: $417.5M
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 2023

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q3 2023.

Institutions holding HDSN in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,165,649$42.7M0.00%+254,536+8.7%Added
Vanguard Group Inc2,243,304$30.3M0.00%+119,478+5.6%Added
ArrowMark Colorado Holdings LLC1,888,992$25.5M0.28%−569,855−23.2%Reduced
Dimensional Fund Advisors LP1,574,769$21.2M0.01%+30,217+2.0%Added
Royce & Associates LP1,461,430$19.7M0.18%−136,371−8.5%Reduced
Renaissance Technologies LLC1,336,750$18.0M0.03%+20,600+1.6%Added
Driehaus Capital Management LLC1,285,090$17.3M0.21%+438,867+51.9%Added
Cowbird Capital LP1,128,314$15.2M8.90%+1,073,314+1,951.5%Added
Sixth Street Partners Management Company, L.P.995,000$13.4M1.31%00.0%Unchanged
Portolan Capital Management, LLC927,375$12.5M1.09%−106,590−10.3%Reduced
Geode Capital Management, LLC920,757$12.4M0.00%+48,143+5.5%Added
State Street Corp890,114$12.0M0.00%+116,885+15.1%Added
Cooper Creek Partners Management LLC666,135$8.99M0.47%−915,571−57.9%Reduced
Marathon Capital Management608,100$8.20M2.06%−143,050−19.0%Reduced
Royal Bank of Canada604,516$8.15M0.00%+121,288+25.1%Added
Granahan Investment Management Inc586,448$7.91M0.26%−112,341−16.1%Reduced
Marshall Wace, LLP564,914$7.62M0.01%+467,160+477.9%Added
American Century Companies Inc562,819$7.59M0.01%+135,698+31.8%Added
RK Capital Management, LLC498,300$6.72M1.43%+18,400+3.8%Added
Westerly Capital Management, LLC463,000$6.25M3.78%+48,000+11.6%Added
Morgan Stanley396,086$5.34M0.00%+48,409+13.9%Added
Soviero Asset Management, LP380,000$5.13M3.20%+14,900+4.1%Added
Northern Trust Corp376,708$5.08M0.00%+26,300+7.5%Added
Foundry Partners, LLC373,569$5.04M0.30%−1,503−0.4%Reduced
Putnam Investments LLC341,574$4.61M0.01%+298,549+693.9%Added
Bank of New York Mellon Corp325,157$4.39M0.00%−30,211−8.5%Reduced
JB Capital Partners LP306,200$4.13M0.83%00.0%Unchanged
Two Sigma Investments, LP288,747$3.90M0.01%+128,842+80.6%Added
Allspring Global Investments Holdings, LLC255,305$3.44M0.01%−62,821−19.7%Reduced
EAM Investors, LLC253,630$3.42M0.61%−90,102−26.2%Reduced
JPMorgan Chase & Co248,440$3.35M0.00%+218,681+734.8%Added
Ameriprise Financial Inc240,221$3.24M0.00%−10,479−4.2%Reduced
Uniplan Investment Counsel, Inc.228,983$3.06M0.23%−5,526−2.4%Reduced
Two Sigma Advisers, LP208,900$2.82M0.01%+82,800+65.7%Added
Deutsche Bank AG185,102$2.50M0.00%+166,331+886.1%Added
Castleark Management LLC183,779$2.48M0.11%+183,779New
Citadel Advisors LLC162,699$2.19M0.00%−68,609−29.7%Reduced
Los Angeles Capital Management LLC152,360$2.06M0.01%−44,024−22.4%Reduced
Goldman Sachs Group Inc150,872$2.04M0.00%+55,534+58.2%Added
Swedbank AB150,000$2.02M0.00%00.0%Unchanged
M&T Bank Corp139,959$1.89M0.01%−20,568−12.8%Reduced
Baird Financial Group, Inc.134,779$1.82M0.00%+32,502+31.8%Added
Brandywine Global Investment Management, LLC124,688$1.68M0.01%−13,090−9.5%Reduced
Advisory Research Inc122,773$1.66M0.26%−50,335−29.1%Reduced
Charles Schwab Investment Management Inc119,754$1.62M0.00%00.0%Unchanged
Nuveen Asset Management, LLC115,574$1.56M0.00%+800+0.7%Added
Navellier & Associates Inc114,099$1.54M0.23%+42,330+59.0%Added
First Trust Advisors LP108,276$1.46M0.00%+3,587+3.4%Added
Cambridge Investment Research Advisors, Inc.102,800$1.39M0.01%+102,800New
Qube Research & Technologies Ltd93,525$1.26M0.00%+13,007+16.2%Added
ClariVest Asset Management LLC90,822$1.23M0.07%−8,056−8.1%Reduced
Essex Investment Management Co LLC88,545$1.19M0.24%−35,321−28.5%Reduced
Price T Rowe Associates Inc86,563$1.17M0.00%+582+0.7%Added
Robertson Stephens Wealth Management, LLC81,581$1.10M0.07%+3,191+4.1%Added
Swiss National Bank80,600$1.09M0.00%+80,600New
D. E. Shaw & Co., Inc.76,971$1.04M0.00%+58,324+312.8%Added
UBS Group AG75,031$1.01M0.00%+31,814+73.6%Added
Pinnacle Associates Ltd75,000$1.01M0.02%00.0%Unchanged
Janus Henderson Group PLC74,178$1.00M0.00%+26,978+57.2%Added
Rhumbline Advisers68,358$922.1K0.00%+131+0.2%Added
Barclays PLC68,357$922.1K0.00%+60,642+786.0%Added
Pacific Ridge Capital Partners, LLC63,130$851.6K0.17%+34,164+117.9%Added
Janney Montgomery Scott LLC61,104$824.0K0.00%+9,297+17.9%Added
Bank of America Corp59,384$801.1K0.00%+22,586+61.4%Added
Victory Capital Management Inc48,314$651.8K0.00%+37,919+364.8%Added
Aviva PLC48,245$650.8K0.00%+48,245New
California State Teachers Retirement System43,625$588.5K0.00%+33,950+350.9%Added
Martingale Asset Management L P42,584$574.5K0.01%+42,584New
Legal & General Group Plc42,049$567.2K0.00%+36,507+658.7%Added
Grimes & Company, Inc.41,163$555.3K0.02%00.0%Unchanged
Invesco Ltd.41,107$554.5K0.00%+7,500+22.3%Added
Credit Suisse AG40,457$545.8K0.00%+40,457New
AQR Capital Management LLC37,559$506.7K0.00%−4,296−10.3%Reduced
Denali Advisors LLC35,074$473.1K0.14%−19,600−35.8%Reduced
Jane Street Group, LLC34,558$466.2K0.00%+1,531+4.6%Added
Connor, Clark & Lunn Investment Management Ltd.32,271$435.3K0.00%−32,906−50.5%Reduced
Voya Investment Management LLC29,505$398.0K0.00%−82,656−73.7%Reduced
Raymond James Financial Services Advisors, Inc.29,304$395.3K0.00%−117−0.4%Reduced
Koss-Olinger Consulting, LLC28,297$382.0K0.04%+28,297New
Globeflex Capital L P27,944$377.0K0.04%00.0%Unchanged
SEI Investments Co27,426$370.0K0.00%−5,014−15.5%Reduced
Riverwater Partners LLC27,367$369.2K0.29%+27,367New
Alps Advisors Inc26,040$351.3K0.00%−1,745−6.3%Reduced
MetLife Investment Management22,716$306.4K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.22,286$300.6K0.00%−19,050−46.1%Reduced
American International Group, Inc.21,796$294.0K0.00%−88−0.4%Reduced
Franklin Resources Inc21,207$286.1K0.00%+208+1.0%Added
Mirae Asset Global Investments Co., Ltd.20,735$279.7K0.00%00.0%Unchanged
Brown Brothers Harriman & Co20,000$269.8K0.00%00.0%Unchanged
Prairiewood Capital, LLC19,609$264.5K0.14%00.0%Unchanged
Alliancebernstein L.P.18,190$245.4K0.00%+18,190New
Susquehanna International Group, LLP17,949$242.1K0.00%−40,494−69.3%Reduced
Manufacturers Life Insurance Company, The16,757$226.1K0.00%−918−5.2%Reduced
New York State Common Retirement Fund16,478$222.3K0.00%+113+0.7%Added
BNP Paribas Arbitrage, SA15,810$213.3K0.00%+3,193+25.3%Added
Peterson Wealth Services15,364$207.3K0.09%+15,364New
LPL Financial LLC13,719$185.1K0.00%−4,914−26.4%Reduced
Wells Fargo & Company13,259$178.9K0.00%+2,785+26.6%Added
Quantbot Technologies LP13,070$176.3K0.01%+13,070New
Heritage Investors Management Corp12,899$174.0K0.01%−300−2.3%Reduced