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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 2024

Institutional positions in Hudson Technologies Inc as of Mar 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
+24 vs. Q4 2023
Shares held
31.5M
+851.2K (+2.8%) vs. Q4 2023
Total value
$346.3M
−$66.6M (−16.1%) vs. Q4 2023
New holders
34
54 more added
Sold out
10
51 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 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 heldQ1 2024: $346.3M
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 2024

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q4 2023.

Institutions holding HDSN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Rhumbline Advisers69,212$762.0K0.00%+854+1.2%Added
UBS Group AG71,073$782.5K0.00%−3,958−5.3%Reduced
Sequent Planning LLC71,110$782.9K0.28%+71,110New
Janus Henderson Group PLC71,999$792.6K0.00%−2,179−2.9%Reduced
Riverwater Partners LLC74,334$818.4K0.60%+46,967+171.6%Added
Gsa Capital Partners LLP74,383$819.0K0.07%+74,383New
Janney Montgomery Scott LLC74,836$824.0K0.00%+13,732+22.5%Added
Pinnacle Associates Ltd75,000$825.8K0.01%00.0%Unchanged
HRT Financial LP77,688$855.0K0.01%+77,688New
Options Solutions, LLC79,281$872.9K0.50%+79,281New
Pacific Ridge Capital Partners, LLC79,790$878.5K0.19%+16,660+26.4%Added
Swiss National Bank80,600$887.4K0.00%00.0%Unchanged
Victory Capital Management Inc85,041$936.3K0.00%+36,727+76.0%Added
Essex Investment Management Co LLC88,545$974.9K0.19%00.0%Unchanged
ClariVest Asset Management LLC91,029$1.00M0.10%+207+0.2%Added
Qube Research & Technologies Ltd94,189$1.04M0.00%+664+0.7%Added
Senator Investment Group LP100,000$1.10M0.05%+100,000New
Bank of America Corp108,036$1.19M0.00%+48,652+81.9%Added
M&T Bank Corp109,915$1.21M0.00%−30,044−21.5%Reduced
First Trust Advisors LP111,881$1.23M0.00%+3,605+3.3%Added
Robertson Stephens Wealth Management, LLC112,204$1.24M0.07%+30,623+37.5%Added
Navellier & Associates Inc112,826$1.24M0.15%−1,273−1.1%Reduced
Charles Schwab Investment Management Inc115,263$1.27M0.00%−4,491−3.8%Reduced
Nuveen Asset Management, LLC115,574$1.27M0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.118,383$1.30M0.01%+15,583+15.2%Added
Brandywine Global Investment Management, LLC123,753$1.36M0.01%−935−0.7%Reduced
Zazove Associates LLC125,000$1.38M0.18%+125,000New
Ameriprise Financial Inc132,851$1.46M0.00%−107,370−44.7%Reduced
Invesco Ltd.137,962$1.52M0.00%+96,855+235.6%Added
Swedbank AB150,000$1.65M0.00%00.0%Unchanged
Los Angeles Capital Management LLC152,094$1.67M0.01%−266−0.2%Reduced
Two Sigma Investments, LP154,960$1.71M0.00%−133,787−46.3%Reduced
Baird Financial Group, Inc.166,846$1.84M0.00%+32,067+23.8%Added
Bank of New York Mellon Corp169,320$1.86M0.00%−155,837−47.9%Reduced
Two Sigma Advisers, LP181,000$1.99M0.00%−27,900−13.4%Reduced
JPMorgan Chase & Co247,841$2.73M0.00%−599−0.2%Reduced
Citadel Advisors LLC298,692$3.29M0.00%+135,993+83.6%Added
Morgan Stanley299,839$3.30M0.00%−96,247−24.3%Reduced
Uniplan Investment Counsel, Inc.302,837$3.33M0.26%+73,854+32.3%Added
Adage Capital Partners GP, L.L.C.303,407$3.34M0.01%+303,407New
Soviero Asset Management, LP306,000$3.37M2.30%−74,000−19.5%Reduced
JB Capital Partners LP306,200$3.37M0.63%00.0%Unchanged
Granahan Investment Management Inc340,852$3.75M0.13%−245,596−41.9%Reduced
Franklin Resources Inc349,273$3.85M0.00%+328,066+1,547.0%Added
Allspring Global Investments Holdings, LLC355,918$3.92M0.01%+100,613+39.4%Added
Northern Trust Corp367,149$4.04M0.00%−9,559−2.5%Reduced
Lazard Asset Management LLC413,238$4.55M0.01%+413,238New
RK Capital Management, LLC420,915$4.63M0.94%−77,385−15.5%Reduced
Cowbird Capital LP573,067$6.31M6.13%−555,247−49.2%Reduced
American Century Companies Inc584,537$6.44M0.00%+21,718+3.9%Added
Westerly Capital Management, LLC590,000$6.50M3.39%+127,000+27.4%Added
Marathon Capital Management600,150$6.61M1.58%−7,950−1.3%Reduced
Royal Bank of Canada624,217$6.87M0.00%+19,701+3.3%Added
Foundry Partners, LLC676,098$7.44M0.40%+302,529+81.0%Added
Portolan Capital Management, LLC685,549$7.55M0.57%−241,826−26.1%Reduced
Caspian Capital LP699,359$7.70M12.51%+699,359New
Marshall Wace, LLP756,522$8.33M0.01%+191,608+33.9%Added
State Street Corp903,558$9.95M0.00%+13,444+1.5%Added
Geode Capital Management, LLC937,261$10.3M0.00%+16,504+1.8%Added
Sixth Street Partners Management Company, L.P.1,000,000$11.0M1.26%+5,000+0.5%Added
Cooper Creek Partners Management LLC1,016,538$11.2M0.45%+350,403+52.6%Added
Driehaus Capital Management LLC1,046,476$11.5M0.11%−238,614−18.6%Reduced
ArrowMark Colorado Holdings LLC1,270,876$14.0M0.16%−618,116−32.7%Reduced
Royce & Associates LP1,315,443$14.5M0.13%−145,987−10.0%Reduced
Renaissance Technologies LLC1,353,450$14.9M0.02%+16,700+1.2%Added
Dimensional Fund Advisors LP1,654,950$18.2M0.00%+80,181+5.1%Added
Vanguard Group Inc2,280,462$25.1M0.00%+37,158+1.7%Added
BlackRock Inc.3,079,342$33.9M0.00%−86,307−2.7%Reduced
EAM Investors, LLC0$00.00%−253,630−100.0%Sold out
Castleark Management LLC0$00.00%−183,779−100.0%Sold out
Advisory Research Inc0$00.00%−122,773−100.0%Sold out
Koss-Olinger Consulting, LLC0$00.00%−28,297−100.0%Sold out
SEI Investments Co0$00.00%−27,426−100.0%Sold out
Alps Advisors Inc0$00.00%−26,040−100.0%Sold out
Prairiewood Capital, LLC0$00.00%−19,609−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−12,570−100.0%Sold out
Ritholtz Wealth Management0$00.00%−10,180−100.0%Sold out
Advisory Services Network, LLC0$00.00%−7,806−100.0%Sold out
Putnam Investments LLC––––Not filed