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, Q3 2021
Institutional positions in Hudson Technologies Inc as of Sep 30, 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
- 61
- +8 vs. Q2 2021
- Shares held
- 18.5M
- +1.76M (+10.5%) vs. Q2 2021
- Total value
- $65.6M
- +$8.45M (+14.8%) vs. Q2 2021
- New holders
- 14
- 14 more added
- Sold out
- 6
- 24 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cooper Creek Partners Management LLC | 4,062,005 | $14.3M | 1.94% | −13,525−0.3% | Reduced |
| ArrowMark Colorado Holdings LLC | 3,300,268 | $11.7M | 0.09% | −296,106−8.2% | Reduced |
| Granahan Investment Management Inc | 1,975,220 | $6.97M | 0.13% | +1,565,797+382.4% | Added |
| Vanguard Group Inc | 1,520,987 | $5.37M | 0.00% | −4,011−0.3% | Reduced |
| RK Capital Management, LLC | 1,521,300 | $5.37M | 1.02% | +741,954+95.2% | Added |
| BlackRock Inc. | 688,029 | $2.43M | 0.00% | −1,151−0.2% | Reduced |
| EAM Investors, LLC | 540,876 | $1.91M | 0.32% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 501,850 | $1.77M | 0.00% | +165,000+49.0% | Added |
| Geode Capital Management, LLC | 418,269 | $1.48M | 0.00% | −421−0.1% | Reduced |
| Bridgeway Capital Management, LLC | 390,600 | $1.38M | 0.03% | +32,500+9.1% | Added |
| Marathon Capital Management | 321,000 | $1.13M | 0.26% | −5,825−1.8% | Reduced |
| Parametric Portfolio Associates LLC | 312,934 | $1.10M | 0.00% | +38,374+14.0% | Added |
| JB Capital Partners LP | 306,200 | $1.08M | 0.24% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 273,350 | $965.0K | 0.00% | +95,518+53.7% | Added |
| Millennium Management LLC | 192,183 | $678.0K | 0.00% | +87,968+84.4% | Added |
| Two Sigma Investments, LP | 179,330 | $633.0K | 0.00% | +75,420+72.6% | Added |
| Essex Investment Management Co LLC | 174,488 | $616.0K | 0.08% | +174,488 | New |
| Thompson Investment Management, Inc. | 164,325 | $580.0K | 0.09% | −5,000−3.0% | Reduced |
| M&G Investment Management Ltd | 128,313 | $513.0K | 0.00% | +128,313 | New |
| State Street Corp | 132,875 | $469.0K | 0.00% | −21,500−13.9% | Reduced |
| Squarepoint Ops LLC | 123,922 | $437.0K | 0.00% | −90,061−42.1% | Reduced |
| Marshall Wace, LLP | 104,426 | $369.0K | 0.00% | +104,426 | New |
| Acadian Asset Management LLC | 100,005 | $352.0K | 0.00% | +100,005 | New |
| Susquehanna International Group, LLP | 94,413 | $333.0K | 0.00% | −46,782−33.1% | Reduced |
| Group One Trading, L.P. | 92,155 | $325.0K | 0.01% | +56,001+154.9% | Added |
| M&T Bank Corp | 82,065 | $290.0K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 78,847 | $278.0K | 0.01% | +78,847 | New |
| Pitcairn Co | 249 | $260.0K | 0.02% | 00.0% | Unchanged |
| Northern Trust Corp | 71,332 | $252.0K | 0.00% | −8,366−10.5% | Reduced |
| Investment Management of Virginia LLC | 70,000 | $247.0K | 0.05% | −5,000−6.7% | Reduced |
| Price T Rowe Associates Inc | 46,060 | $163.0K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 44,482 | $158.0K | 0.01% | −52,650−54.2% | Reduced |
| Game Plan Financial Advisors, LLC | 40,000 | $141.0K | 0.08% | −18,000−31.0% | Reduced |
| Blair William & Co | 39,900 | $141.0K | 0.00% | −5,000−11.1% | Reduced |
| Two Sigma Advisers, LP | 38,100 | $134.0K | 0.00% | +38,100 | New |
| Engineers Gate Manager LP | 37,661 | $133.0K | 0.01% | +37,661 | New |
| Occudo Quantitative Strategies LP | 35,414 | $125.0K | 0.01% | +13,180+59.3% | Added |
| Grimes & Company, Inc. | 33,422 | $118.0K | 0.01% | 00.0% | Unchanged |
| MYDA Advisors LLC | 30,000 | $106.0K | 0.04% | −86,715−74.3% | Reduced |
| Goldman Sachs Group Inc | 26,927 | $95.0K | 0.00% | +14,256+112.5% | Added |
| Pekin Hardy Strauss, Inc. | 25,000 | $88.0K | 0.01% | −61,000−70.9% | Reduced |
| Ritholtz Wealth Management | 21,568 | $76.0K | 0.01% | +21,568 | New |
| Portolan Capital Management, LLC | 18,305 | $65.0K | 0.00% | −428,147−95.9% | Reduced |
| Citadel Advisors LLC | 17,103 | $60.0K | 0.00% | −35,915−67.7% | Reduced |
| Jump Financial, LLC | 16,300 | $58.0K | 0.00% | +16,300 | New |
| Ameriprise Financial Inc | 15,730 | $56.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 13,910 | $49.0K | 0.02% | +13,910 | New |
| Cubist Systematic Strategies, LLC | 11,652 | $41.0K | 0.00% | −10,848−48.2% | Reduced |
| Heritage Investors Management Corp | 11,200 | $40.0K | 0.00% | −18,790−62.7% | Reduced |
| Barclays PLC | 10,466 | $37.0K | 0.00% | +7,505+253.5% | Added |
| Qube Research & Technologies Ltd | 10,483 | $37.0K | 0.00% | +10,483 | New |
| Tower Research Capital LLC (TRC) | 5,876 | $20.0K | 0.00% | +5,876 | New |
| Counterpoint Mutual Funds LLC | 5,625 | $20.0K | 0.02% | +5,625 | New |
| Wells Fargo & Company | 4,193 | $15.0K | 0.00% | +3,970+1,780.3% | Added |
| Morgan Stanley | 2,714 | $10.0K | 0.00% | −120−4.2% | Reduced |
| Koshinski Asset Management, Inc. | 2,500 | $8.82K | 0.00% | +2,500 | New |
| Simplex Trading, LLC | 2,178 | $7.00K | 0.00% | −4,994−69.6% | Reduced |
| Bank of America Corp | 1,035 | $4.00K | 0.00% | +693+202.6% | Added |
| American Portfolios Advisors | 686 | $2.42K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 540 | $2.00K | 0.00% | −5,280−90.7% | Reduced |
| Harbour Investments, Inc. | 441 | $2.00K | 0.00% | 00.0% | Unchanged |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −148,704−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −52,044−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −19,650−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −16,631−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −14,328−100.0% | Sold out |