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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, 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
Charles Schwab Investment Management Inc119,754$1.62M0.00%00.0%Unchanged
Advisory Research Inc122,773$1.66M0.26%−50,335−29.1%Reduced
Brandywine Global Investment Management, LLC124,688$1.68M0.01%−13,090−9.5%Reduced
Baird Financial Group, Inc.134,779$1.82M0.00%+32,502+31.8%Added
M&T Bank Corp139,959$1.89M0.01%−20,568−12.8%Reduced
Swedbank AB150,000$2.02M0.00%00.0%Unchanged
Goldman Sachs Group Inc150,872$2.04M0.00%+55,534+58.2%Added
Los Angeles Capital Management LLC152,360$2.06M0.01%−44,024−22.4%Reduced
Citadel Advisors LLC162,699$2.19M0.00%−68,609−29.7%Reduced
Castleark Management LLC183,779$2.48M0.11%+183,779New
Deutsche Bank AG185,102$2.50M0.00%+166,331+886.1%Added
Two Sigma Advisers, LP208,900$2.82M0.01%+82,800+65.7%Added
Uniplan Investment Counsel, Inc.228,983$3.06M0.23%−5,526−2.4%Reduced
Ameriprise Financial Inc240,221$3.24M0.00%−10,479−4.2%Reduced
JPMorgan Chase & Co248,440$3.35M0.00%+218,681+734.8%Added
EAM Investors, LLC253,630$3.42M0.61%−90,102−26.2%Reduced
Allspring Global Investments Holdings, LLC255,305$3.44M0.01%−62,821−19.7%Reduced
Two Sigma Investments, LP288,747$3.90M0.01%+128,842+80.6%Added
JB Capital Partners LP306,200$4.13M0.83%00.0%Unchanged
Bank of New York Mellon Corp325,157$4.39M0.00%−30,211−8.5%Reduced
Putnam Investments LLC341,574$4.61M0.01%+298,549+693.9%Added
Foundry Partners, LLC373,569$5.04M0.30%−1,503−0.4%Reduced
Northern Trust Corp376,708$5.08M0.00%+26,300+7.5%Added
Soviero Asset Management, LP380,000$5.13M3.20%+14,900+4.1%Added
Morgan Stanley396,086$5.34M0.00%+48,409+13.9%Added
Westerly Capital Management, LLC463,000$6.25M3.78%+48,000+11.6%Added
RK Capital Management, LLC498,300$6.72M1.43%+18,400+3.8%Added
American Century Companies Inc562,819$7.59M0.01%+135,698+31.8%Added
Marshall Wace, LLP564,914$7.62M0.01%+467,160+477.9%Added
Granahan Investment Management Inc586,448$7.91M0.26%−112,341−16.1%Reduced
Royal Bank of Canada604,516$8.15M0.00%+121,288+25.1%Added
Marathon Capital Management608,100$8.20M2.06%−143,050−19.0%Reduced
Cooper Creek Partners Management LLC666,135$8.99M0.47%−915,571−57.9%Reduced
State Street Corp890,114$12.0M0.00%+116,885+15.1%Added
Geode Capital Management, LLC920,757$12.4M0.00%+48,143+5.5%Added
Portolan Capital Management, LLC927,375$12.5M1.09%−106,590−10.3%Reduced
Sixth Street Partners Management Company, L.P.995,000$13.4M1.31%00.0%Unchanged
Cowbird Capital LP1,128,314$15.2M8.90%+1,073,314+1,951.5%Added
Driehaus Capital Management LLC1,285,090$17.3M0.21%+438,867+51.9%Added
Renaissance Technologies LLC1,336,750$18.0M0.03%+20,600+1.6%Added
Royce & Associates LP1,461,430$19.7M0.18%−136,371−8.5%Reduced
Dimensional Fund Advisors LP1,574,769$21.2M0.01%+30,217+2.0%Added
ArrowMark Colorado Holdings LLC1,888,992$25.5M0.28%−569,855−23.2%Reduced
Vanguard Group Inc2,243,304$30.3M0.00%+119,478+5.6%Added
BlackRock Inc.3,165,649$42.7M0.00%+254,536+8.7%Added
Park West Asset Management LLC0$00.00%−365,126−100.0%Sold out
Brightline Capital Management, LLC0$00.00%−140,000−100.0%Sold out
Millennium Management LLC0$00.00%−104,848−100.0%Sold out
MML Investors Services, LLC0$00.00%−75,615−100.0%Sold out
Praetorian PR LLC0$00.00%−67,417−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−53,633−100.0%Sold out
MYDA Advisors LLC0$00.00%−37,000−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−33,625−100.0%Sold out
Empowered Funds, LLC0$00.00%−33,625−100.0%Sold out
Algert Global LLC0$00.00%−28,520−100.0%Sold out
SG Americas Securities, LLC0$00.00%−22,667−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−22,127−100.0%Sold out
Jump Financial, LLC0$00.00%−19,678−100.0%Sold out
Winton Group Ltd0$00.00%−15,641−100.0%Sold out
HRT Financial LP0$00.00%−14,835−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−13,667−100.0%Sold out
Aigen Investment Management, LP0$00.00%−12,950−100.0%Sold out
Wolverine Trading, LLC0$00.00%−11,530−100.0%Sold out
New York State Teachers Retirement System0$00.00%−3,800−100.0%Sold out
Byrne Asset Management LLC0$00.00%−250−100.0%Sold out
Carmel Capital Partners, LLC0$00.00%−117−100.0%Sold out