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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, Q2 2026

Institutional positions in Hudson Technologies Inc as of Jun 30, 2026. 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
151
−5 vs. Q1 2026
Shares held
31.6M
−1.34M (−4.1%) vs. Q1 2026
Total value
$181.4M
−$12.4M (−6.4%) vs. Q1 2026
New holders
25
46 more added
Sold out
30
52 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 151 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 heldQ2 2026: $181.4M
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, Q2 2026

Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q1 2026.

Institutions holding HDSN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Optiver Holding B.V.6$340.00%−376−98.4%Reduced
SBI Securities Co., Ltd.12$690.00%00.0%Unchanged
SJS Investment Consulting Inc.14$810.00%+14New
Caitong International Asset Management Co., Ltd24$1380.00%+21+700.0%Added
Rothschild Investment LLC91$5220.00%+91New
Allworth Financial LP102$5860.00%+59+137.2%Added
Rockefeller Capital Management L.P.158$9070.00%−625−79.8%Reduced
The PNC Financial Services Group, Inc.171$9820.00%+88+106.0%Added
Covestor Ltd105$1.00K0.00%−1,040−90.8%Reduced
Essential Partners LLC176$1.01K0.00%−521−74.7%Reduced
Picton Mahoney Asset Management212$1.22K0.00%+212New
Simplex Trading, LLC226$1.30K0.00%−660−74.5%Reduced
Northwestern Mutual Wealth Management Co500$2.87K0.00%00.0%Unchanged
Financial Consulate, Inc500$2.87K0.00%00.0%Unchanged
California State Teachers Retirement System514$2.95K0.00%−1,569−75.3%Reduced
True Wealth Design, LLC684$3.93K0.00%−139−16.9%Reduced
Harbor Capital Advisors, Inc.783$4.00K0.00%00.0%Unchanged
Sterling Capital Management LLC720$4.13K0.00%−554−43.5%Reduced
Nisa Investment Advisors, LLC773$4.44K0.00%−204−20.9%Reduced
Bellevue Asset Management, LLC774$4.44K0.00%+774New
Bard Associates Inc1,000$5.74K0.00%00.0%Unchanged
Versant Capital Management, Inc1,134$6.51K0.00%−6,236−84.6%Reduced
National Bank of Canada1,259$7.24K0.00%−1−0.1%Reduced
Global Retirement Partners, LLC1,434$8.23K0.00%+1,434New
GAMMA Investing LLC1,579$9.06K0.00%−2,012−56.0%Reduced
SRS Capital Advisors, Inc.1,895$10.9K0.00%+1,885+18,850.0%Added
Royal Bank of Canada2,928$17.0K0.00%+1,251+74.6%Added
Ameritas Investment Partners, Inc.3,215$18.5K0.00%00.0%Unchanged
Parallel Advisors, LLC3,246$18.6K0.00%+2,311+247.2%Added
EverSource Wealth Advisors, LLC3,472$19.9K0.00%+2,918+526.7%Added
LSV Asset Management3,400$20.0K0.00%00.0%Unchanged
Legal & General Group Plc3,555$20.4K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,627$20.8K0.00%+3,587+8,967.5%Added
UBS Asset Management Americas Inc3,630$20.8K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC3,750$21.5K0.00%−250−6.3%Reduced
State of Alaska, Department of Revenue4,145$23.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA4,708$27.0K0.00%−3,562−43.1%Reduced
Tower Research Capital LLC (TRC)5,089$29.2K0.00%+558+12.3%Added
New York State Common Retirement Fund5,270$30.3K0.00%00.0%Unchanged
LOM Asset Management Ltd5,300$30.4K0.01%+5,300New
Jones Financial Companies LLLP5,551$30.9K0.00%00.0%Unchanged
Barclays PLC5,812$33.4K0.00%−1,175−16.8%Reduced
Stance Capital LLC6,560$37.7K0.01%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey10,817$62.1K0.00%00.0%Unchanged
Thrivent Financial for Lutherans11,129$64.0K0.00%00.0%Unchanged
Boothbay Fund Management, LLC11,260$64.6K0.00%+11,260New
Truvestments Capital LLC11,568$66.4K0.01%−405−3.4%Reduced
Occudo Quantitative Strategies LP12,029$69.0K0.00%+12,029New
1620 Investment Advisors, Inc.12,430$71.3K0.04%+1,045+9.2%Added
State Board of Administration of Florida Retirement System12,570$72.2K0.00%00.0%Unchanged
Cardinal Point Capital Management, ULC12,850$73.8K0.00%00.0%Unchanged
FMR LLC13,023$74.8K0.00%−3,173−19.6%Reduced
Anchyra Partners LLC13,063$75.0K0.02%+13,063New
Brown Brothers Harriman & Co13,263$76.1K0.00%00.0%Unchanged
State of Wyoming13,503$77.5K0.01%−15,594−53.6%Reduced
Inscription Capital, LLC14,032$80.5K0.01%+14,032New
TCG Advisory Services, LLC14,918$85.6K0.00%+14,918New
Vanguard Global Advisers, LLC14,929$85.7K0.00%00.0%Unchanged
Mercer Global Advisors Inc15,081$86.6K0.00%+15,081New
Quadrature Capital Ltd16,395$94.1K0.00%−4,304−20.8%Reduced
Fifth Third Wealth Advisors LLC16,445$94.4K0.00%+16,445New
Commonwealth Financial Services, LLC16,728$96.0K0.01%+16,728New
Advisor Group Holdings, Inc.16,809$96.5K0.00%−2,253−11.8%Reduced
EP Wealth Advisors, LLC16,875$96.9K0.00%−4,099−19.5%Reduced
Wealth Enhancement Advisory Services, LLC15,133$97.6K0.00%−857−5.4%Reduced
Empirical Asset Management, LLC17,059$97.9K0.02%+17,059New
Mirae Asset Global ETFs Holdings Ltd.17,193$98.7K0.00%−1,108−6.1%Reduced
Symmetry Partners, LLC18,033$103.5K0.01%+18,033New
Boston Partners18,221$104.6K0.00%−21,773−54.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.18,546$106.5K0.00%+18,546New
Citigroup Inc18,883$108.4K0.00%+17,096+956.7%Added
XTX Topco Ltd21,149$121.4K0.00%+21,149New
MetLife Investment Management22,591$129.7K0.00%+14,037+164.1%Added
Fifth Third Bancorp24,585$141.1K0.00%−5,811−19.1%Reduced
Graham Capital Management, L.P.26,736$153.5K0.00%−9,297−25.8%Reduced
Park Capital Management, LLC27,078$155.4K0.09%+27,078New
Jump Financial, LLC27,943$160.4K0.00%−62,657−69.2%Reduced
State of Wisconsin Investment Board29,550$169.6K0.00%−51,140−63.4%Reduced
Raymond James Financial Inc30,375$174.4K0.00%−12,324−28.9%Reduced
Vident Advisory, LLC30,875$177.2K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp31,250$179.4K0.00%00.0%Unchanged
Wells Fargo & Company32,878$188.7K0.00%+16,923+106.1%Added
Campbell & CO Investment Adviser LLC32,995$189.4K0.01%−28,448−46.3%Reduced
EntryPoint Capital, LLC33,461$192.1K0.05%+33,461New
Canada Pension Plan Investment Board42,500$243.9K0.00%−5,500−11.5%Reduced
Commonwealth Equity Services, LLC42,504$244.0K0.00%+3,857+10.0%Added
Susquehanna International Group, LLP45,095$258.8K0.00%+10,941+32.0%Added
Point72 Asset Management, L.P.45,731$262.5K0.00%+45,731New
Exchange Traded Concepts, LLC46,108$264.7K0.00%+6,601+16.7%Added
Sanctuary Advisors, LLC46,344$266.0K0.00%+46,344New
Alliancebernstein L.P.46,710$274.7K0.00%+4,500+10.7%Added
Schonfeld Strategic Advisors LLC49,528$284.3K0.00%+6,812+15.9%Added
Rhumbline Advisers50,040$287.2K0.00%+141+0.3%Added
Odyssean, LLC50,673$290.9K0.05%+50,673New
Public Employees Retirement System of Ohio51,499$295.6K0.00%−358,600−87.4%Reduced
Inspire Advisors, LLC54,249$311.4K0.02%+17,843+49.0%Added
Bailard, Inc.56,574$324.7K0.01%+56,574New
Isthmus Partners, LLC57,456$329.8K0.03%+14,059+32.4%Added
Bank of America Corp57,906$332.4K0.00%−44,429−43.4%Reduced
UBS Group AG58,368$335.0K0.00%+15,893+37.4%Added