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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 2022

Institutional positions in Hudson Technologies Inc as of Mar 31, 2022. 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
78
+13 vs. Q4 2021
Shares held
25.4M
+3.04M (+13.6%) vs. Q4 2021
Total value
$157.5M
+$58.4M (+58.9%) vs. Q4 2021
New holders
21
25 more added
Sold out
8
23 more reduced

Compare with Q4 2021: 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 2022: 78 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 2022: $157.5M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q4 2021.

Institutions holding HDSN in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Cooper Creek Partners Management LLC3,423,919$21.3M2.24%−665,860−16.3%Reduced
ArrowMark Colorado Holdings LLC2,983,205$18.5M0.16%−97,301−3.2%Reduced
Westerly Capital Management, LLC2,025,576$12.6M9.29%−134,424−6.2%Reduced
Vanguard Group Inc1,446,818$8.98M0.00%+9,436+0.7%Added
325 Capital LLC1,292,791$8.03M6.09%+1,292,791New
RK Capital Management, LLC1,256,000$7.80M1.55%−343,900−21.5%Reduced
Granahan Investment Management Inc1,250,975$7.77M0.19%−577,985−31.6%Reduced
Royce & Associates LP1,171,230$7.27M0.06%+542,766+86.4%Added
Renaissance Technologies LLC921,150$5.72M0.01%+165,800+22.0%Added
Marshall Wace, LLP734,628$4.56M0.01%+660,437+890.2%Added
EAM Investors, LLC658,959$4.09M0.76%+133,745+25.5%Added
BlackRock Inc.654,852$4.07M0.00%−4,670−0.7%Reduced
Invesco Ltd.513,707$3.19M0.00%+513,707New
Dimensional Fund Advisors LP502,488$3.12M0.00%+165,015+48.9%Added
Bridgeway Capital Management, LLC490,100$3.04M0.06%+177,500+56.8%Added
Acadian Asset Management LLC489,918$3.04M0.01%+190,717+63.7%Added
Two Sigma Investments, LP425,823$2.64M0.01%+180,607+73.7%Added
EAM Global Investors LLC323,211$2.01M0.37%+323,211New
Geode Capital Management, LLC321,891$2.00M0.00%−94,249−22.6%Reduced
JB Capital Partners LP306,200$1.90M0.43%00.0%Unchanged
Millennium Management LLC289,809$1.80M0.00%+174,092+150.4%Added
Two Sigma Advisers, LP286,400$1.78M0.00%+16,600+6.2%Added
Marathon Capital Management271,000$1.68M0.48%−50,000−15.6%Reduced
Walleye Capital LLC257,439$1.60M0.05%+257,439New
Essex Investment Management Co LLC224,088$1.39M0.17%+5,472+2.5%Added
Morgan Stanley211,649$1.31M0.00%+11,298+5.6%Added
Parametric Portfolio Associates LLC206,115$1.28M0.00%−105,961−34.0%Reduced
Ameriprise Financial Inc203,301$1.26M0.00%−49,064−19.4%Reduced
Norges Bank189,200$1.17M0.00%+189,200New
Caxton Associates LP158,964$987.0K0.10%+116,885+277.8%Added
Quadrature Capital Ltd144,676$897.0K0.04%+98,444+212.9%Added
State Street Corp120,738$750.0K0.00%+8,363+7.4%Added
Engineers Gate Manager LP114,498$711.0K0.03%+69,155+152.5%Added
Manatuck Hill Partners, LLC100,000$621.0K0.24%+100,000New
Bank of New York Mellon Corp91,193$566.0K0.00%+18,360+25.2%Added
Thompson Investment Management, Inc.86,325$536.0K0.08%−33,000−27.7%Reduced
Jane Street Group, LLC79,754$495.0K0.00%+79,754New
M&T Bank Corp75,513$469.0K0.00%−6,552−8.0%Reduced
Investment Management of Virginia LLC75,000$465.0K0.08%00.0%Unchanged
Cubist Systematic Strategies, LLC74,242$461.0K0.00%+56,746+324.3%Added
Goldman Sachs Group Inc66,385$412.0K0.00%+37,064+126.4%Added
Occudo Quantitative Strategies LP59,448$369.0K0.03%+38,901+189.3%Added
Northern Trust Corp55,587$345.0K0.00%−2,760−4.7%Reduced
Schonfeld Strategic Advisors LLC53,658$333.0K0.00%+53,658New
Citigroup Inc50,984$317.0K0.00%+50,984New
Squarepoint Ops LLC48,120$299.0K0.00%−53,823−52.8%Reduced
Algert Global LLC43,400$270.0K0.02%+43,400New
Jump Financial, LLC42,800$266.0K0.01%+26,772+167.0%Added
Grimes & Company, Inc.41,163$256.0K0.01%+7,741+23.2%Added
Man Group plc41,021$255.0K0.00%+41,021New
Price T Rowe Associates Inc36,960$230.0K0.00%−9,100−19.8%Reduced
O'Shaughnessy Asset Management, LLC36,744$228.0K0.00%−47,339−56.3%Reduced
Blair William & Co35,500$220.0K0.00%−5,400−13.2%Reduced
Ritholtz Wealth Management33,511$208.0K0.01%−15,819−32.1%Reduced
Simplex Trading, LLC29,784$184.0K0.01%+12,452+71.8%Added
Citadel Advisors LLC26,491$164.0K0.00%−63,275−70.5%Reduced
Trexquant Investment LP24,630$153.0K0.01%+24,630New
Sequoia Financial Advisors, LLC23,721$147.0K0.00%−10,000−29.7%Reduced
Hillsdale Investment Management Inc.19,200$119.0K0.01%00.0%Unchanged
Game Plan Financial Advisors, LLC19,000$118.0K0.07%−18,000−48.6%Reduced
Thompson Davis & Co., Inc.17,225$107.0K0.13%+17,225New
Charles Schwab Investment Management Inc13,002$81.0K0.00%+13,002New
Atria Wealth Solutions, Inc.13,000$81.0K0.00%+13,000New
Dorsey Wright & Associates12,001$75.0K0.02%−1,617−11.9%Reduced
Heritage Investors Management Corp11,200$70.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd10,669$66.0K0.00%+10,669New
Independent Financial Group, LLC10,000$62.1K0.01%+10,000New
Lazard Asset Management LLC8,284$51.0K0.00%+8,284New
1620 Investment Advisors, Inc.10,968$49.0K0.05%00.0%Unchanged
JPMorgan Chase & Co7,456$46.0K0.00%+7,456New
FNY Investment Advisers, LLC4,115$25.0K0.02%+4,115New
Koshinski Asset Management, Inc.2,500$15.5K0.00%00.0%Unchanged
UBS Group AG2,157$13.0K0.00%+32+1.5%Added
ClariVest Asset Management LLC1,337$8.00K0.00%00.0%Unchanged
American Portfolios Advisors686$4.26K0.00%00.0%Unchanged
Wells Fargo & Company445$3.00K0.00%−1,749−79.7%Reduced
Tyler-Stone Wealth Management500$3.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA84$5220.00%+84New
Verdad Advisers, LP0$00.00%−365,000−100.0%Sold out
Group One Trading, L.P.0$00.00%−70,649−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−38,437−100.0%Sold out
Wolverine Trading, LLC0$00.00%−23,536−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−16,650−100.0%Sold out
Portolan Capital Management, LLC0$00.00%−16,523−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−10,749−100.0%Sold out
Bank of America Corp0$00.00%−44−100.0%Sold out