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.
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deutsche Bank AG | 61,117 | $350.8K | 0.00% | +2,840+4.9% | Added |
| Squarepoint Ops LLC | 66,220 | $380.1K | 0.00% | +40,202+154.5% | Added |
| Pinnacle Associates Ltd | 70,000 | $401.8K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 70,075 | $402.2K | 0.00% | −8,711−11.1% | Reduced |
| JPMorgan Chase & Co | 93,739 | $513.7K | 0.00% | −23,800−20.2% | Reduced |
| Price T Rowe Associates Inc | 95,960 | $551.0K | 0.00% | +15,947+19.9% | Added |
| Ameriprise Financial Inc | 98,394 | $564.8K | 0.00% | +41,307+72.4% | Added |
| Quantinno Capital Management LP | 106,964 | $614.0K | 0.00% | +30,696+40.2% | Added |
| Charles Schwab Investment Management Inc | 109,013 | $625.7K | 0.00% | +7,036+6.9% | Added |
| CWM Advisors, LLC | 119,191 | $684.2K | 0.03% | +31,105+35.3% | Added |
| Prudential Financial Inc | 121,740 | $698.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 131,960 | $757.5K | 0.00% | −140,965−51.6% | Reduced |
| Wedge Capital Management L L P | 137,618 | $789.9K | 0.01% | −7,118−4.9% | Reduced |
| Credit Agricole S A | 140,000 | $803.6K | 0.00% | 00.0% | Unchanged |
| Numerai GP LLC | 150,254 | $862.5K | 0.07% | −27,038−15.3% | Reduced |
| First Trust Advisors LP | 151,809 | $871.4K | 0.00% | +6,726+4.6% | Added |
| AQR Capital Management LLC | 161,903 | $929.3K | 0.00% | −182,401−53.0% | Reduced |
| Marathon Capital Management | 173,325 | $994.9K | 0.20% | −1,000−0.6% | Reduced |
| Pacific Ridge Capital Partners, LLC | 174,539 | $1.00M | 0.18% | +27,609+18.8% | Added |
| Goldman Sachs Group Inc | 176,708 | $1.01M | 0.00% | −21,224−10.7% | Reduced |
| Kestrel Investment Management Corp | 200,750 | $1.15M | 0.63% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 204,779 | $1.18M | 0.00% | −77,656−27.5% | Reduced |
| Empowered Funds, LLC | 205,878 | $1.18M | 0.01% | +11,323+5.8% | Added |
| KBC Group NV | 207,466 | $1.19M | 0.00% | +84,465+68.7% | Added |
| Vanguard Fiduciary Trust Co | 245,071 | $1.41M | 0.00% | +2,205+0.9% | Added |
| Northern Trust Corp | 282,011 | $1.62M | 0.00% | −117,352−29.4% | Reduced |
| Vanguard Portfolio Management LLC | 290,537 | $1.67M | 0.00% | +22,001+8.2% | Added |
| Kerrisdale Advisers, LLC | 299,976 | $1.72M | 0.43% | +242,354+420.6% | Added |
| Ancora Advisors, LLC | 303,380 | $1.74M | 0.03% | +303,380 | New |
| JB Capital Partners LP | 306,200 | $1.76M | 0.27% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 325,000 | $1.87M | 0.17% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 362,489 | $2.08M | 0.00% | +208,096+134.8% | Added |
| Morgan Stanley | 367,159 | $2.11M | 0.00% | −104,788−22.2% | Reduced |
| D. E. Shaw & Co., Inc. | 409,591 | $2.35M | 0.00% | +50,909+14.2% | Added |
| Marshall Wace, LLP | 474,354 | $2.72M | 0.00% | +255,083+116.3% | Added |
| Nuveen, LLC | 476,540 | $2.74M | 0.00% | +392,825+469.2% | Added |
| Bridgeway Capital Management, LLC | 494,432 | $2.84M | 0.05% | −3,677−0.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 506,591 | $2.91M | 0.01% | +327,658+183.1% | Added |
| Citadel Advisors LLC | 574,266 | $3.30M | 0.00% | +161,516+39.1% | Added |
| Qube Research & Technologies Ltd | 721,847 | $4.14M | 0.00% | +350,971+94.6% | Added |
| Caspian Capital LP | 728,306 | $4.18M | 2.37% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 777,989 | $4.47M | 0.00% | −103,246−11.7% | Reduced |
| State Street Corp | 895,776 | $5.14M | 0.00% | −2,097−0.2% | Reduced |
| Geode Capital Management, LLC | 995,011 | $5.71M | 0.00% | +46,465+4.9% | Added |
| American Century Companies Inc | 1,169,462 | $6.71M | 0.00% | −318,312−21.4% | Reduced |
| Renaissance Technologies LLC | 1,442,115 | $8.28M | 0.01% | −62,135−4.1% | Reduced |
| Vanguard Capital Management LLC | 1,654,259 | $9.50M | 0.00% | −5,887−0.4% | Reduced |
| Dimensional Fund Advisors LP | 1,967,914 | $11.3M | 0.00% | −180,397−8.4% | Reduced |
| BlackRock, Inc. | 2,840,272 | $16.3M | 0.00% | −22,267−0.8% | Reduced |
| Westerly Capital Management, LLC | 3,380,000 | $19.4M | 3.58% | +205,000+6.5% | Added |
| Hartree Partners, LP | 4,411,889 | $25.3M | 5.45% | +611,889+16.1% | Added |
| New South Capital Management Inc | 0 | $0 | 0.00% | −1,241,223−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −628,341−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −325,915−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −170,825−100.0% | Sold out |
| Grimes & Company, Inc. | 0 | $0 | 0.00% | −158,618−100.0% | Sold out |
| Zazove Associates LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| EdgeRock Capital LLC | 0 | $0 | 0.00% | −90,517−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −82,339−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −77,100−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −72,683−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −69,854−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −60,855−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −58,528−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −39,373−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −31,125−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −24,735−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −22,600−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −14,935−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −14,790−100.0% | Sold out |
| Sequoia Financial Advisors, LLC | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −13,529−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −12,596−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,658−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −10,401−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −10,290−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −3,518−100.0% | Sold out |
| Private Wealth Management Group, LLC | 0 | $0 | 0.00% | −299−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| Hilton Head Capital Partners, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Red Tortoise LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |