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, Q1 2026
Institutional positions in Hudson Technologies Inc as of Mar 31, 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
- 160
- −3 vs. Q4 2025
- Shares held
- 33.0M
- +2.41M (+7.9%) vs. Q4 2025
- Total value
- $194.0M
- −$15.9M (−7.6%) vs. Q4 2025
- New holders
- 26
- 48 more added
- Sold out
- 29
- 58 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 151 | $181.4M |
| Q1 2026 | 160 | $194.0M |
| Q4 2025 | 168 | $226.4M |
| Q3 2025 | 170 | $330.3M |
| Q2 2025 | 149 | $270.7M |
| Q1 2025 | 162 | $194.9M |
| Q4 2024 | 168 | $169.6M |
| Q3 2024 | 172 | $257.8M |
| Q2 2024 | 161 | $279.3M |
| Q1 2024 | 168 | $346.3M |
| Q4 2023 | 145 | $417.5M |
| Q3 2023 | 143 | $394.0M |
| Q2 2023 | 132 | $278.1M |
| Q1 2023 | 139 | $244.0M |
| Q4 2022 | 143 | $283.6M |
| Q3 2022 | 133 | $209.8M |
| Q2 2022 | 112 | $216.3M |
| Q1 2022 | 78 | $157.5M |
| Q4 2021 | 65 | $99.1M |
| Q3 2021 | 61 | $65.6M |
| Q2 2021 | 53 | $57.2M |
| Q1 2021 | 37 | $24.2M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 3 | $18 | 0.00% | +3 | New |
| SRS Capital Advisors, Inc. | 10 | $59 | 0.00% | −67−87.0% | Reduced |
| SBI Securities Co., Ltd. | 12 | $71 | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 20 | $118 | 0.00% | +20 | New |
| Sunbelt Securities, Inc. | 31 | $182 | 0.00% | +4+14.8% | Added |
| Farther Finance Advisors, LLC | 40 | $232 | 0.00% | −7−14.9% | Reduced |
| Allworth Financial LP | 43 | $253 | 0.00% | +29+207.1% | Added |
| Hilton Head Capital Partners, LLC | 50 | $294 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 56 | $329 | 0.00% | +56 | New |
| The PNC Financial Services Group, Inc. | 83 | $488 | 0.00% | +80+2,666.7% | Added |
| Private Wealth Management Group, LLC | 299 | $1.76K | 0.00% | −107−26.4% | Reduced |
| Red Tortoise LLC | 328 | $1.93K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 382 | $2.25K | 0.00% | +32+9.1% | Added |
| Northwestern Mutual Wealth Management Co | 500 | $2.94K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 500 | $2.94K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 554 | $3.26K | 0.00% | −35−5.9% | Reduced |
| Essential Partners LLC | 697 | $4.10K | 0.00% | −20−2.8% | Reduced |
| Rockefeller Capital Management L.P. | 783 | $4.60K | 0.00% | +625+395.6% | Added |
| True Wealth Design, LLC | 823 | $4.84K | 0.00% | −168−17.0% | Reduced |
| Harbor Capital Advisors, Inc. | 783 | $5.00K | 0.00% | +136+21.0% | Added |
| Simplex Trading, LLC | 886 | $5.21K | 0.00% | −274−23.6% | Reduced |
| Parallel Advisors, LLC | 935 | $5.50K | 0.00% | +935 | New |
| Nisa Investment Advisors, LLC | 977 | $5.75K | 0.00% | 00.0% | Unchanged |
| Bard Associates Inc | 1,000 | $5.88K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 1,145 | $7.00K | 0.00% | +210+22.5% | Added |
| National Bank of Canada | 1,260 | $7.40K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,274 | $7.49K | 0.00% | −35,704−96.6% | Reduced |
| Royal Bank of Canada | 1,677 | $10.0K | 0.00% | +173+11.5% | Added |
| Citigroup Inc | 1,787 | $10.5K | 0.00% | −1,918−51.8% | Reduced |
| California State Teachers Retirement System | 2,083 | $12.2K | 0.00% | −285−12.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,215 | $18.9K | 0.00% | 00.0% | Unchanged |
| LSV Asset Management | 3,400 | $20.0K | 0.00% | +3,400 | New |
| Legal & General Group Plc | 3,555 | $20.9K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 3,518 | $21.0K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,591 | $21.1K | 0.00% | −3,093−46.3% | Reduced |
| UBS Asset Management Americas Inc | 3,630 | $21.3K | 0.00% | +1,823+100.9% | Added |
| Steward Partners Investment Advisory, LLC | 4,000 | $23.5K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 4,145 | $24.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,531 | $26.6K | 0.00% | +3,470+327.0% | Added |
| New York State Common Retirement Fund | 5,270 | $31.0K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 5,551 | $32.0K | 0.00% | +5,550+555,000.0% | Added |
| Stance Capital LLC | 6,560 | $38.6K | 0.02% | +6,560 | New |
| Barclays PLC | 6,987 | $41.1K | 0.00% | −61,004−89.7% | Reduced |
| Versant Capital Management, Inc | 7,370 | $43.3K | 0.00% | −933−11.2% | Reduced |
| BNP Paribas Arbitrage, SA | 8,270 | $48.6K | 0.00% | −487−5.6% | Reduced |
| MetLife Investment Management | 8,554 | $50.3K | 0.00% | −7,853−47.9% | Reduced |
| Intech Investment Management LLC | 10,290 | $60.5K | 0.00% | −4,312−29.5% | Reduced |
| Mangrove Partners | 10,401 | $61.2K | 0.00% | −3,657−26.0% | Reduced |
| Manufacturers Life Insurance Company, The | 10,658 | $62.7K | 0.00% | −1,452−12.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,817 | $63.6K | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 11,129 | $65.0K | 0.00% | −16,149−59.2% | Reduced |
| CWM, LLC | 11,249 | $66.1K | 0.00% | −831−6.9% | Reduced |
| 1620 Investment Advisors, Inc. | 11,385 | $66.9K | 0.05% | +140+1.2% | Added |
| Truvestments Capital LLC | 11,973 | $70.4K | 0.01% | −3,038−20.2% | Reduced |
| State Board of Administration of Florida Retirement System | 12,570 | $73.9K | 0.00% | −1,083−7.9% | Reduced |
| Prime Capital Investment Advisors, LLC | 12,596 | $74.1K | 0.00% | +802+6.8% | Added |
| Cardinal Point Capital Management, ULC | 12,850 | $75.6K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 13,263 | $78.0K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 13,529 | $79.6K | 0.00% | +13,529 | New |
| Sequoia Financial Advisors, LLC | 14,000 | $82.3K | 0.00% | +14,000 | New |
| Tudor Investment Corp Et Al | 14,790 | $87.0K | 0.00% | −14,447−49.4% | Reduced |
| Vanguard Global Advisers, LLC | 14,929 | $87.8K | 0.00% | +14,929 | New |
| Aquatic Capital Management LLC | 14,935 | $87.8K | 0.00% | +14,935 | New |
| Wealth Enhancement Advisory Services, LLC | 15,990 | $93.4K | 0.00% | +3,536+28.4% | Added |
| Wells Fargo & Company | 15,955 | $93.8K | 0.00% | −27,945−63.7% | Reduced |
| FMR LLC | 16,196 | $95.2K | 0.00% | +9,783+152.5% | Added |
| Skopos Labs, Inc. | 16,485 | $96.9K | 0.00% | +16,485 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 18,301 | $107.6K | 0.00% | +442+2.5% | Added |
| Advisor Group Holdings, Inc. | 19,062 | $112.1K | 0.00% | −3,820−16.7% | Reduced |
| Quadrature Capital Ltd | 20,699 | $121.7K | 0.00% | +20,699 | New |
| EP Wealth Advisors, LLC | 20,974 | $123.3K | 0.00% | +557+2.7% | Added |
| Franklin Resources Inc | 22,600 | $132.9K | 0.00% | −54,922−70.8% | Reduced |
| Mirabella Financial Services LLP | 24,735 | $145.4K | 0.01% | +24,735 | New |
| Squarepoint Ops LLC | 26,018 | $153.0K | 0.00% | −8,119−23.8% | Reduced |
| State of Wyoming | 29,097 | $171.1K | 0.02% | −18,965−39.5% | Reduced |
| Fifth Third Bancorp | 30,396 | $178.7K | 0.00% | +30,396 | New |
| Vident Advisory, LLC | 30,875 | $181.5K | 0.00% | +30,875 | New |
| ExodusPoint Capital Management, LP | 31,125 | $183.0K | 0.00% | +31,125 | New |
| Atlantic Union Bankshares Corp | 31,250 | $183.8K | 0.00% | +31,250 | New |
| Susquehanna International Group, LLP | 34,154 | $200.8K | 0.00% | −6,814−16.6% | Reduced |
| Graham Capital Management, L.P. | 36,033 | $211.9K | 0.01% | −952−2.6% | Reduced |
| Inspire Advisors, LLC | 36,406 | $214.1K | 0.02% | +21,710+147.7% | Added |
| Fox Run Management, L.L.C. | 39,373 | $225.2K | 0.04% | +39,373 | New |
| Commonwealth Equity Services, LLC | 38,647 | $227.2K | 0.00% | −30.0% | Reduced |
| Exchange Traded Concepts, LLC | 39,507 | $232.3K | 0.00% | +4,141+11.7% | Added |
| Boston Partners | 39,994 | $235.2K | 0.00% | +18,738+88.2% | Added |
| UBS Group AG | 42,475 | $249.8K | 0.00% | −93,613−68.8% | Reduced |
| Raymond James Financial Inc | 42,699 | $251.1K | 0.00% | +3,090+7.8% | Added |
| Schonfeld Strategic Advisors LLC | 42,716 | $251.2K | 0.00% | +42,716 | New |
| Isthmus Partners, LLC | 43,397 | $255.2K | 0.03% | −4,267−9.0% | Reduced |
| Canada Pension Plan Investment Board | 48,000 | $282.2K | 0.00% | −3,500−6.8% | Reduced |
| Alliancebernstein L.P. | 42,210 | $289.1K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 49,899 | $293.4K | 0.00% | −1,408−2.7% | Reduced |
| Ameriprise Financial Inc | 57,087 | $335.7K | 0.00% | −14,080−19.8% | Reduced |
| Kerrisdale Advisers, LLC | 57,622 | $338.8K | 0.13% | 00.0% | Unchanged |
| Deutsche Bank AG | 58,277 | $342.7K | 0.00% | +5,052+9.5% | Added |
| Winton Group Ltd | 58,528 | $344.1K | 0.01% | +25,430+76.8% | Added |
| Voya Investment Management LLC | 60,855 | $357.8K | 0.00% | −418−0.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 61,443 | $361.3K | 0.02% | +8,681+16.5% | Added |
| Jane Street Group, LLC | 69,854 | $410.7K | 0.00% | −21,362−23.4% | Reduced |