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 2025
Institutional positions in Hudson Technologies Inc as of Mar 31, 2025. 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
- 162
- −4 vs. Q4 2024
- Shares held
- 31.6M
- +1.37M (+4.5%) vs. Q4 2024
- Total value
- $194.9M
- +$26.0M (+15.4%) vs. Q4 2024
- New holders
- 27
- 51 more added
- Sold out
- 31
- 60 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Hudson Technologies Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 55,269 | $341.0K | 0.00% | −38,673−41.2% | Reduced |
| Zazove Associates LLC | 56,250 | $347.1K | 0.03% | 00.0% | Unchanged |
| Invesco Ltd. | 59,065 | $364.4K | 0.00% | +11,966+25.4% | Added |
| Kerrisdale Advisers, LLC | 64,100 | $395.5K | 0.17% | 00.0% | Unchanged |
| Deutsche Bank AG | 64,827 | $400.0K | 0.00% | −6,168−8.7% | Reduced |
| Janus Henderson Group PLC | 65,048 | $402.0K | 0.00% | −4,909−7.0% | Reduced |
| Rhumbline Advisers | 67,284 | $415.1K | 0.00% | −2,257−3.2% | Reduced |
| Susquehanna International Group, LLP | 67,610 | $417.2K | 0.00% | +39,137+137.5% | Added |
| Price T Rowe Associates Inc | 73,196 | $452.0K | 0.00% | +34,004+86.8% | Added |
| Pinnacle Associates Ltd | 75,000 | $462.8K | 0.01% | −34,211−31.3% | Reduced |
| KLP Kapitalforvaltning AS | 76,300 | $470.8K | 0.00% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 78,872 | $486.6K | 0.13% | −662−0.8% | Reduced |
| Thrivent Financial for Lutherans | 80,470 | $497.0K | 0.00% | +80,470 | New |
| Cubist Systematic Strategies, LLC | 82,152 | $506.9K | 0.01% | −114,428−58.2% | Reduced |
| STRS Ohio | 82,700 | $510.3K | 0.00% | −22,100−21.1% | Reduced |
| UBS Group AG | 84,680 | $522.5K | 0.00% | +29,673+53.9% | Added |
| Graham Capital Management, L.P. | 87,192 | $538.0K | 0.02% | +6,247+7.7% | Added |
| State of Wisconsin Investment Board | 87,497 | $539.9K | 0.00% | +20,112+29.8% | Added |
| Engineers Gate Manager LP | 92,933 | $573.4K | 0.01% | −22,584−19.6% | Reduced |
| SummerHaven Investment Management, LLC | 94,287 | $581.8K | 0.41% | +2,479+2.7% | Added |
| Franklin Resources Inc | 101,369 | $625.4K | 0.00% | +28,265+38.7% | Added |
| Victory Capital Management Inc | 102,308 | $631.2K | 0.00% | +29,756+41.0% | Added |
| Aviva PLC | 103,272 | $637.2K | 0.00% | −2,235−2.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 109,187 | $673.7K | 0.01% | +109,187 | New |
| Trexquant Investment LP | 114,729 | $707.9K | 0.01% | −72,332−38.7% | Reduced |
| Nuveen, LLC | 115,574 | $713.1K | 0.00% | +115,574 | New |
| Ameriprise Financial Inc | 126,091 | $778.0K | 0.00% | +18,639+17.3% | Added |
| Charles Schwab Investment Management Inc | 127,725 | $788.1K | 0.00% | +5,669+4.6% | Added |
| Jacobs Levy Equity Management, Inc | 130,771 | $806.9K | 0.00% | −11,001−7.8% | Reduced |
| Russell Investments Group, Ltd. | 131,228 | $809.7K | 0.00% | +20,501+18.5% | Added |
| Qube Research & Technologies Ltd | 134,461 | $829.6K | 0.00% | −230,520−63.2% | Reduced |
| Bank of New York Mellon Corp | 185,315 | $1.14M | 0.00% | −4,006−2.1% | Reduced |
| Citadel Advisors LLC | 210,768 | $1.30M | 0.00% | −286,180−57.6% | Reduced |
| Kestrel Investment Management Corp | 218,650 | $1.35M | 0.82% | 00.0% | Unchanged |
| Wedge Capital Management L L P | 220,748 | $1.36M | 0.03% | −68,214−23.6% | Reduced |
| Bastion Asset Management Inc. | 200,888 | $1.37M | 0.74% | −65,538−24.6% | Reduced |
| Goldman Sachs Group Inc | 245,760 | $1.52M | 0.00% | +80,973+49.1% | Added |
| Bridgeway Capital Management, LLC | 277,412 | $1.71M | 0.04% | +81,900+41.9% | Added |
| JB Capital Partners LP | 306,200 | $1.89M | 0.40% | 00.0% | Unchanged |
| Millennium Management LLC | 341,403 | $2.11M | 0.00% | +156,996+85.1% | Added |
| Northern Trust Corp | 353,904 | $2.18M | 0.00% | −24,665−6.5% | Reduced |
| Marathon Capital Management | 382,700 | $2.36M | 0.63% | −8,000−2.0% | Reduced |
| Public Employees Retirement System of Ohio | 402,409 | $2.48M | 0.01% | −16,331−3.9% | Reduced |
| 683 Capital Management, LLC | 402,583 | $2.48M | 0.25% | −233,317−36.7% | Reduced |
| Grizzlyrock Capital, LLC | 434,716 | $2.68M | 2.43% | +52,517+13.7% | Added |
| Two Sigma Advisers, LP | 528,200 | $3.26M | 0.01% | +293,800+125.3% | Added |
| Two Sigma Investments, LP | 547,096 | $3.38M | 0.01% | +185,118+51.1% | Added |
| Arrowstreet Capital, Limited Partnership | 547,904 | $3.38M | 0.00% | +237,340+76.4% | Added |
| Morgan Stanley | 568,146 | $3.51M | 0.00% | −174,217−23.5% | Reduced |
| AQR Capital Management LLC | 591,645 | $3.65M | 0.00% | +39,654+7.2% | Added |
| JPMorgan Chase & Co | 640,238 | $3.95M | 0.00% | −213,014−25.0% | Reduced |
| American Century Companies Inc | 868,059 | $5.36M | 0.00% | +77,587+9.8% | Added |
| State Street Corp | 949,987 | $5.86M | 0.00% | −1210.0% | Reduced |
| Geode Capital Management, LLC | 1,033,093 | $6.38M | 0.00% | +37,364+3.8% | Added |
| Westerly Capital Management, LLC | 1,225,000 | $7.56M | 3.62% | +207,420+20.4% | Added |
| D. E. Shaw & Co., Inc. | 1,291,225 | $7.97M | 0.01% | −54,328−4.0% | Reduced |
| New South Capital Management Inc | 1,483,719 | $9.15M | 0.44% | +162,002+12.3% | Added |
| Renaissance Technologies LLC | 1,488,350 | $9.18M | 0.01% | −13,800−0.9% | Reduced |
| Dimensional Fund Advisors LP | 1,950,195 | $12.0M | 0.00% | −101,477−4.9% | Reduced |
| Vanguard Group Inc | 2,582,821 | $15.9M | 0.00% | +5,265+0.2% | Added |
| BlackRock, Inc. | 3,170,214 | $19.6M | 0.00% | +8,641+0.3% | Added |
| Hartree Partners, LP | 3,573,142 | $22.0M | 7.98% | +3,573,142 | New |
| Praetorian PR LLC | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −212,229−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −189,125−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −142,767−100.0% | Sold out |
| Forest Hill Capital, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −80,050−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −59,731−100.0% | Sold out |
| Koss-Olinger Consulting, LLC | 0 | $0 | 0.00% | −41,897−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −40,040−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −36,500−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −36,020−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −33,752−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −33,162−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −30,409−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −29,411−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −20,293−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −19,402−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −17,029−100.0% | Sold out |
| Saxon Interests, Inc. | 0 | $0 | 0.00% | −14,812−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,542−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −12,519−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Rpo LLC | 0 | $0 | 0.00% | −11,136−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −8,840−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −8,671−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −2,430−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,091−100.0% | Sold out |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Dorchester Wealth Management Co | – | – | – | – | Not filed |