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 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 |
|---|---|---|---|---|---|
| Sequoia Financial Advisors, LLC | 14,000 | $82.3K | 0.00% | +14,000 | New |
| Centiva Capital, LP | 13,529 | $79.6K | 0.00% | +13,529 | New |
| Brown Brothers Harriman & Co | 13,263 | $78.0K | 0.00% | 00.0% | Unchanged |
| Cardinal Point Capital Management, ULC | 12,850 | $75.6K | 0.00% | 00.0% | Unchanged |
| Prime Capital Investment Advisors, LLC | 12,596 | $74.1K | 0.00% | +802+6.8% | Added |
| State Board of Administration of Florida Retirement System | 12,570 | $73.9K | 0.00% | −1,083−7.9% | Reduced |
| Truvestments Capital LLC | 11,973 | $70.4K | 0.01% | −3,038−20.2% | Reduced |
| 1620 Investment Advisors, Inc. | 11,385 | $66.9K | 0.05% | +140+1.2% | Added |
| CWM, LLC | 11,249 | $66.1K | 0.00% | −831−6.9% | Reduced |
| Thrivent Financial for Lutherans | 11,129 | $65.0K | 0.00% | −16,149−59.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,817 | $63.6K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 10,658 | $62.7K | 0.00% | −1,452−12.0% | Reduced |
| Mangrove Partners | 10,401 | $61.2K | 0.00% | −3,657−26.0% | Reduced |
| Intech Investment Management LLC | 10,290 | $60.5K | 0.00% | −4,312−29.5% | Reduced |
| MetLife Investment Management | 8,554 | $50.3K | 0.00% | −7,853−47.9% | Reduced |
| BNP Paribas Arbitrage, SA | 8,270 | $48.6K | 0.00% | −487−5.6% | Reduced |
| Versant Capital Management, Inc | 7,370 | $43.3K | 0.00% | −933−11.2% | Reduced |
| Barclays PLC | 6,987 | $41.1K | 0.00% | −61,004−89.7% | Reduced |
| Stance Capital LLC | 6,560 | $38.6K | 0.02% | +6,560 | New |
| Jones Financial Companies LLLP | 5,551 | $32.0K | 0.00% | +5,550+555,000.0% | Added |
| New York State Common Retirement Fund | 5,270 | $31.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,531 | $26.6K | 0.00% | +3,470+327.0% | Added |
| State of Alaska, Department of Revenue | 4,145 | $24.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 4,000 | $23.5K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 3,630 | $21.3K | 0.00% | +1,823+100.9% | Added |
| GAMMA Investing LLC | 3,591 | $21.1K | 0.00% | −3,093−46.3% | Reduced |
| New York State Teachers Retirement System | 3,518 | $21.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,555 | $20.9K | 0.00% | 00.0% | Unchanged |
| LSV Asset Management | 3,400 | $20.0K | 0.00% | +3,400 | New |
| Ameritas Investment Partners, Inc. | 3,215 | $18.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,083 | $12.2K | 0.00% | −285−12.0% | Reduced |
| Citigroup Inc | 1,787 | $10.5K | 0.00% | −1,918−51.8% | Reduced |
| Royal Bank of Canada | 1,677 | $10.0K | 0.00% | +173+11.5% | Added |
| Sterling Capital Management LLC | 1,274 | $7.49K | 0.00% | −35,704−96.6% | Reduced |
| National Bank of Canada | 1,260 | $7.40K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 1,145 | $7.00K | 0.00% | +210+22.5% | Added |
| Bard Associates Inc | 1,000 | $5.88K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 977 | $5.75K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 935 | $5.50K | 0.00% | +935 | New |
| Simplex Trading, LLC | 886 | $5.21K | 0.00% | −274−23.6% | Reduced |
| Harbor Capital Advisors, Inc. | 783 | $5.00K | 0.00% | +136+21.0% | Added |
| True Wealth Design, LLC | 823 | $4.84K | 0.00% | −168−17.0% | Reduced |
| Rockefeller Capital Management L.P. | 783 | $4.60K | 0.00% | +625+395.6% | Added |
| Essential Partners LLC | 697 | $4.10K | 0.00% | −20−2.8% | Reduced |
| EverSource Wealth Advisors, LLC | 554 | $3.26K | 0.00% | −35−5.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 500 | $2.94K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 500 | $2.94K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 382 | $2.25K | 0.00% | +32+9.1% | Added |
| Red Tortoise LLC | 328 | $1.93K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 299 | $1.76K | 0.00% | −107−26.4% | Reduced |
| The PNC Financial Services Group, Inc. | 83 | $488 | 0.00% | +80+2,666.7% | Added |
| US Bancorp | 56 | $329 | 0.00% | +56 | New |
| Hilton Head Capital Partners, LLC | 50 | $294 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 43 | $253 | 0.00% | +29+207.1% | Added |
| Farther Finance Advisors, LLC | 40 | $232 | 0.00% | −7−14.9% | Reduced |
| Sunbelt Securities, Inc. | 31 | $182 | 0.00% | +4+14.8% | Added |
| Kilter Group LLC | 20 | $118 | 0.00% | +20 | New |
| SBI Securities Co., Ltd. | 12 | $71 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 10 | $59 | 0.00% | −67−87.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 3 | $18 | 0.00% | +3 | New |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −221,182−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −220,612−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −167,300−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −113,263−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −67,703−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −59,580−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −59,073−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −44,000−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −43,105−100.0% | Sold out |
| Seizert Capital Partners, LLC | 0 | $0 | 0.00% | −38,023−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −31,238−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −31,200−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −29,131−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −26,720−100.0% | Sold out |
| Integrated Advisors Network LLC | 0 | $0 | 0.00% | −25,281−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −24,012−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −19,132−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −18,479−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −18,022−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −12,433−100.0% | Sold out |
| Kemnay Advisory Services Inc. | 0 | $0 | 0.00% | −9,124−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −5,550−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −4,075−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −2,565−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,209−100.0% | Sold out |
| C M Bidwell & Associates Ltd | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Sherbrooke Park Advisers LLC | – | – | – | – | Not filed |
| Stephens Consulting, LLC | – | – | – | – | Not filed |