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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, Q3 2025

Institutional positions in Hudson Technologies Inc as of Sep 30, 2025. 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
170
+23 vs. Q2 2025
Shares held
33.3M
−46.4K (−0.1%) vs. Q2 2025
Total value
$330.3M
+$59.8M (+22.1%) vs. Q2 2025
New holders
42
45 more added
Sold out
19
50 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 170 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 heldQ3 2025: $330.3M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q2 2025.

Institutions holding HDSN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bessemer Group Inc33$00.00%+33New
SBI Securities Co., Ltd.13$1290.00%00.0%Unchanged
The PNC Financial Services Group, Inc.14$1390.00%00.0%Unchanged
IFP Advisors, Inc27$2680.00%+27Added
Sunbelt Securities, Inc.27$2680.00%+27New
Allworth Financial LP113$1.12K0.00%+113New
Fifth Third Bancorp124$1.23K0.00%00.0%Unchanged
Stephens Consulting, LLC126$1.25K0.00%00.0%Unchanged
Jones Financial Companies LLLP132$1.30K0.00%00.0%Unchanged
Red Tortoise LLC328$3.26K0.00%00.0%Unchanged
Optiver Holding B.V.350$3.48K0.00%+350New
C M Bidwell & Associates Ltd400$3.97K0.00%+400New
Private Wealth Management Group, LLC406$4.03K0.00%00.0%Unchanged
Whittier Trust Co444$4.20K0.00%+444New
Northwestern Mutual Wealth Management Co500$4.96K0.00%00.0%Unchanged
Farther Finance Advisors, LLC505$5.01K0.00%+505New
Clearstead Advisors, LLC573$5.69K0.00%+8+1.4%Added
Harbor Capital Advisors, Inc.658$7.00K0.00%−68−9.4%Reduced
EverSource Wealth Advisors, LLC764$7.59K0.00%+47+6.6%Added
Essential Partners LLC874$8.68K0.00%+156+21.7%Added
Nisa Investment Advisors, LLC977$9.70K0.00%00.0%Unchanged
Rialto Wealth Management, LLC1,000$9.93K0.00%+1,000New
Covestor Ltd1,001$10.0K0.01%−657−39.6%Reduced
True Wealth Design, LLC1,047$10.4K0.00%+28+2.7%Added
National Bank of Canada1,231$12.2K0.00%+371+43.1%Added
Amalgamated Bank1,497$15.0K0.00%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.2,007$19.9K0.00%+2,007New
Tower Research Capital LLC (TRC)2,182$21.7K0.00%−6,533−75.0%Reduced
California State Teachers Retirement System2,424$24.1K0.00%−797−24.7%Reduced
Point72 (DIFC) Ltd2,512$24.9K0.00%+2,512New
Meeder Asset Management Inc2,565$25.5K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,215$31.9K0.00%−1,109−25.6%Reduced
SRS Capital Advisors, Inc.3,273$32.5K0.00%+3,196+4,150.6%Added
New York State Teachers Retirement System3,518$35.0K0.00%−498−12.4%Reduced
Legal & General Group Plc3,555$35.3K0.00%00.0%Unchanged
Citigroup Inc3,750$37.2K0.00%−12,332−76.7%Reduced
Steward Partners Investment Advisory, LLC4,000$39.7K0.00%00.0%Unchanged
Point72 Asset Management, L.P.4,300$42.7K0.00%+4,300New
Nkcfo LLC4,740$47.0K0.01%+4,740New
FMR LLC4,956$49.2K0.00%+110+2.3%Added
New York State Common Retirement Fund5,270$52.3K0.00%00.0%Unchanged
Quarry LP5,281$52.4K0.01%+1,805+51.9%Added
GAMMA Investing LLC6,487$64.4K0.00%00.0%Unchanged
Walleye Capital LLC6,578$65.3K0.00%+6,578New
BNP Paribas Arbitrage, SA7,530$74.8K0.00%+3,532+88.3%Added
Versant Capital Management, Inc8,221$81.6K0.01%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey10,817$107.4K0.00%+2,008+22.8%Added
1620 Investment Advisors, Inc.11,486$114.1K0.08%−219−1.9%Reduced
SG Americas Securities, LLC11,575$115.0K0.00%+11,575New
Wealth Enhancement Advisory Services, LLC12,747$115.2K0.00%+1,247+10.8%Added
State Board of Administration of Florida Retirement System12,570$124.8K0.00%00.0%Unchanged
Independent Advisor Alliance12,786$127.0K0.00%+12,786New
Cardinal Point Capital Management, ULC12,850$127.6K0.01%00.0%Unchanged
Fox Run Management, L.L.C.13,126$130.3K0.02%+13,126New
Manufacturers Life Insurance Company, The13,203$131.1K0.00%−249−1.9%Reduced
Brown Brothers Harriman & Co13,263$131.7K0.00%00.0%Unchanged
Mercer Global Advisors Inc13,301$132.1K0.00%+13,301New
CWM, LLC14,102$140.0K0.00%+1,696+13.7%Added
XTX Topco Ltd14,233$141.3K0.01%+2,485+21.2%Added
Creative Planning14,426$143.3K0.00%+14,426New
Truvestments Capital LLC15,134$150.3K0.03%−26,702−63.8%Reduced
Brevan Howard Capital Management LP15,704$155.9K0.00%−1,455−8.5%Reduced
Simplex Trading, LLC15,867$157.0K0.00%−73,563−82.3%Reduced
Quantbot Technologies LP15,955$158.4K0.00%+15,955New
MetLife Investment Management16,283$161.7K0.00%−8,055−33.1%Reduced
Cornerstone Investment Partners, LLC17,167$170.5K0.01%+17,167New
Mirae Asset Global ETFs Holdings Ltd.18,283$181.6K0.00%−3,027−14.2%Reduced
Legato Capital Management LLC18,479$183.5K0.02%00.0%Unchanged
Intech Investment Management LLC19,213$190.8K0.00%00.0%Unchanged
Verition Fund Management LLC19,628$194.9K0.00%+19,628New
Schonfeld Strategic Advisors LLC21,008$208.6K0.00%+21,008New
Jump Financial, LLC23,260$231.0K0.00%+23,260New
Balyasny Asset Management LLC23,674$235.1K0.00%+23,674New
Algert Global LLC23,765$236.0K0.00%+23,765New
Boston Partners23,876$237.1K0.00%−6,932−22.5%Reduced
Aquatic Capital Management LLC25,856$256.8K0.00%+25,856New
Advisor Group Holdings, Inc.26,232$266.5K0.00%−782−2.9%Reduced
Thrivent Financial for Lutherans27,278$271.0K0.00%−53,192−66.1%Reduced
Exchange Traded Concepts, LLC27,990$277.9K0.00%−3,052−9.8%Reduced
Aristides Capital LLC28,877$286.7K0.08%+28,877New
Integrated Advisors Network LLC29,106$289.0K0.01%−593−2.0%Reduced
Wells Fargo & Company29,508$293.0K0.00%+4,530+18.1%Added
FourThought Financial Partners, LLC29,687$294.8K0.03%+29,687New
Ieq Capital, LLC30,783$305.7K0.00%+3,544+13.0%Added
Hillsdale Investment Management Inc.31,000$307.8K0.01%+31,000New
Martingale Asset Management L P31,545$313.2K0.01%−14,329−31.2%Reduced
Comerica Bank31,614$313.9K0.00%−9,189−22.5%Reduced
PharVision Advisers, LLC31,799$315.8K0.18%+31,799New
Occudo Quantitative Strategies LP32,933$327.0K0.04%−10,912−24.9%Reduced
Graham Capital Management, L.P.33,729$334.9K0.01%+33,729New
Sterling Capital Management LLC37,415$371.5K0.01%+36,390+3,550.2%Added
Seizert Capital Partners, LLC38,023$377.6K0.02%00.0%Unchanged
State of Wyoming40,047$397.7K0.05%+23,943+148.7%Added
Commonwealth Equity Services, LLC40,518$402.0K0.00%+1,760+4.5%Added
Principal Financial Group Inc40,833$405.5K0.00%+40,833New
Grimes & Company, Inc.41,163$408.7K0.01%00.0%Unchanged
Raymond James Financial Inc41,939$416.5K0.00%−1,944−4.4%Reduced
Alliancebernstein L.P.42,210$419.1K0.00%−5,670−11.8%Reduced
CWM Advisors, LLC46,423$461.0K0.04%+46,423New
Aviva PLC47,525$471.9K0.00%−14,374−23.2%Reduced