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, Q4 2021
Institutional positions in Hudson Technologies Inc as of Dec 31, 2021. 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
- 65
- +4 vs. Q3 2021
- Shares held
- 22.3M
- +3.83M (+20.7%) vs. Q3 2021
- Total value
- $99.1M
- +$33.5M (+51.1%) vs. Q3 2021
- New holders
- 14
- 21 more added
- Sold out
- 10
- 22 more reduced
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cooper Creek Partners Management LLC | 4,089,779 | $18.2M | 2.13% | +27,774+0.7% | Added |
| ArrowMark Colorado Holdings LLC | 3,080,506 | $13.7M | 0.11% | −219,762−6.7% | Reduced |
| Westerly Capital Management, LLC | 2,160,000 | $9.59M | 6.30% | +2,160,000 | New |
| Granahan Investment Management Inc | 1,828,960 | $8.12M | 0.17% | −146,260−7.4% | Reduced |
| RK Capital Management, LLC | 1,599,900 | $7.10M | 1.29% | +78,600+5.2% | Added |
| Vanguard Group Inc | 1,437,382 | $6.38M | 0.00% | −83,605−5.5% | Reduced |
| Renaissance Technologies LLC | 755,350 | $3.35M | 0.00% | +253,500+50.5% | Added |
| BlackRock Inc. | 659,522 | $2.93M | 0.00% | −28,507−4.1% | Reduced |
| Royce & Associates LP | 628,464 | $2.79M | 0.02% | +628,464 | New |
| EAM Investors, LLC | 525,214 | $2.33M | 0.38% | −15,662−2.9% | Reduced |
| Geode Capital Management, LLC | 416,140 | $1.85M | 0.00% | −2,129−0.5% | Reduced |
| Verdad Advisers, LP | 365,000 | $1.62M | 1.10% | +365,000 | New |
| Dimensional Fund Advisors LP | 337,473 | $1.50M | 0.00% | +64,123+23.5% | Added |
| Marathon Capital Management | 321,000 | $1.43M | 0.33% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 312,600 | $1.39M | 0.03% | −78,000−20.0% | Reduced |
| Parametric Portfolio Associates LLC | 312,076 | $1.39M | 0.00% | −858−0.3% | Reduced |
| JB Capital Partners LP | 306,200 | $1.36M | 0.29% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 299,201 | $1.33M | 0.00% | +199,196+199.2% | Added |
| Two Sigma Advisers, LP | 269,800 | $1.20M | 0.00% | +231,700+608.1% | Added |
| Ameriprise Financial Inc | 252,365 | $1.12M | 0.00% | +236,635+1,504.4% | Added |
| Two Sigma Investments, LP | 245,216 | $1.09M | 0.00% | +65,886+36.7% | Added |
| Essex Investment Management Co LLC | 218,616 | $971.0K | 0.11% | +44,128+25.3% | Added |
| Morgan Stanley | 200,351 | $889.0K | 0.00% | +197,637+7,282.1% | Added |
| Thompson Investment Management, Inc. | 119,325 | $530.0K | 0.08% | −45,000−27.4% | Reduced |
| Millennium Management LLC | 115,717 | $514.0K | 0.00% | −76,466−39.8% | Reduced |
| State Street Corp | 112,375 | $499.0K | 0.00% | −20,500−15.4% | Reduced |
| Squarepoint Ops LLC | 101,943 | $453.0K | 0.00% | −21,979−17.7% | Reduced |
| Citadel Advisors LLC | 89,766 | $398.0K | 0.00% | +72,663+424.9% | Added |
| O'Shaughnessy Asset Management, LLC | 84,083 | $373.0K | 0.01% | +5,236+6.6% | Added |
| M&T Bank Corp | 82,065 | $364.0K | 0.00% | 00.0% | Unchanged |
| Investment Management of Virginia LLC | 75,000 | $333.0K | 0.05% | +5,000+7.1% | Added |
| Marshall Wace, LLP | 74,191 | $329.0K | 0.00% | −30,235−29.0% | Reduced |
| Bank of New York Mellon Corp | 72,833 | $323.0K | 0.00% | +72,833 | New |
| Group One Trading, L.P. | 70,649 | $314.0K | 0.01% | −21,506−23.3% | Reduced |
| Northern Trust Corp | 58,347 | $259.0K | 0.00% | −12,985−18.2% | Reduced |
| Ritholtz Wealth Management | 49,330 | $219.0K | 0.01% | +27,762+128.7% | Added |
| Price T Rowe Associates Inc | 46,060 | $205.0K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 46,232 | $205.0K | 0.01% | +1,750+3.9% | Added |
| Engineers Gate Manager LP | 45,343 | $201.0K | 0.01% | +7,682+20.4% | Added |
| Caxton Associates LP | 42,079 | $187.0K | 0.02% | +42,079 | New |
| Blair William & Co | 40,900 | $182.0K | 0.00% | +1,000+2.5% | Added |
| Susquehanna International Group, LLP | 38,437 | $171.0K | 0.00% | −55,976−59.3% | Reduced |
| Game Plan Financial Advisors, LLC | 37,000 | $164.0K | 0.09% | −3,000−7.5% | Reduced |
| Sequoia Financial Advisors, LLC | 33,721 | $150.0K | 0.00% | +33,721 | New |
| Grimes & Company, Inc. | 33,422 | $148.0K | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 29,321 | $130.0K | 0.00% | +2,394+8.9% | Added |
| Wolverine Trading, LLC | 23,536 | $102.0K | 0.00% | +23,536 | New |
| Occudo Quantitative Strategies LP | 20,547 | $91.0K | 0.01% | −14,867−42.0% | Reduced |
| Hillsdale Investment Management Inc. | 19,200 | $85.0K | 0.01% | +19,200 | New |
| Cubist Systematic Strategies, LLC | 17,496 | $78.0K | 0.00% | +5,844+50.2% | Added |
| Simplex Trading, LLC | 17,332 | $76.0K | 0.00% | +15,154+695.8% | Added |
| Kestra Advisory Services, LLC | 16,650 | $74.0K | 0.00% | +16,650 | New |
| Portolan Capital Management, LLC | 16,523 | $73.0K | 0.00% | −1,782−9.7% | Reduced |
| Jump Financial, LLC | 16,028 | $71.0K | 0.00% | −272−1.7% | Reduced |
| Dorsey Wright & Associates | 13,618 | $60.0K | 0.01% | +13,618 | New |
| Heritage Investors Management Corp | 11,200 | $50.0K | 0.00% | 00.0% | Unchanged |
| 1620 Investment Advisors, Inc. | 10,968 | $49.0K | 0.05% | +10,968 | New |
| Envestnet Asset Management Inc | 10,749 | $48.0K | 0.00% | +10,749 | New |
| Koshinski Asset Management, Inc. | 2,500 | $11.1K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 2,194 | $10.0K | 0.00% | −1,999−47.7% | Reduced |
| UBS Group AG | 2,125 | $9.00K | 0.00% | +1,585+293.5% | Added |
| ClariVest Asset Management LLC | 1,337 | $6.00K | 0.00% | +1,337 | New |
| American Portfolios Advisors | 686 | $3.05K | 0.00% | 00.0% | Unchanged |
| Tyler-Stone Wealth Management | 500 | $2.00K | 0.00% | +500 | New |
| Bank of America Corp | 44 | $0 | 0.00% | −991−95.7% | Reduced |
| M&G Investment Management Ltd | 0 | $0 | 0.00% | −128,313−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −249−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Pekin Hardy Strauss, Inc. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −13,910−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −10,466−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −10,483−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −5,876−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −5,625−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −441−100.0% | Sold out |