HDSNNasdaqWholesale-Machinery, Equipment & SuppliesFiscal year ends December 31
HUDSON TECHNOLOGIES INC /NY
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$5.14+0.13 (+2.59%)
Close on Oct 19, 2026
- Market cap
- $216.78M
- P/E (TTM)
- 24.5
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
75.1%
32M of 42M shares
Institutional holders
152
26 new, 30 sold out
Net institutional buying
-1M
In Q2 2026
Insider trades, 12 months
28 buys · 2 sales
Net sold $386.59K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Hartree Partners, LP | 4,971,302 | 11.80% | 13G (passive) amendment | Jun 30, 2026 |
| BlackRock, Inc. | 3,165,649 | 7.00% | 13G (passive) amendment | Dec 31, 2023 |
| Westerly Capital Management, LLC | – | 5.90% | 13G (passive) amendment | Dec 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of HDSN | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Hartree Partners, LP | 4,411,889 | 10.48% | $25.32M | +611,889 | 5.40% |
| Westerly Capital Management, LLC | 3,380,000 | 8.03% | $19.40M | +205,000 | 3.58% |
| BlackRock, Inc. | 2,840,272 | 6.75% | $16.30M | −22,267 | 0.00% |
| Dimensional Fund Advisors LP | 1,967,914 | 4.68% | $11.29M | −180,397 | 0.00% |
| Vanguard Capital Management LLC | 1,654,259 | 3.93% | $9.50M | −5,887 | 0.00% |
| Renaissance Technologies LLC | 1,442,115 | 3.43% | $8.28M | −62,135 | 0.01% |
| American Century Companies Inc | 1,169,462 | 2.78% | $6.71M | −318,312 | 0.00% |
| Geode Capital Management, LLC | 995,011 | 2.36% | $5.71M | +46,465 | 0.00% |
| State Street Corp | 895,776 | 2.13% | $5.14M | −2,097 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 777,989 | 1.85% | $4.47M | −103,246 | 0.00% |
| Caspian Capital LP | 728,306 | 1.73% | $4.18M | – | 2.37% |
| Qube Research & Technologies Ltd | 721,847 | 1.72% | $4.14M | +350,971 | 0.00% |
| Citadel Advisors LLC | 574,266 | 1.36% | $3.30M | +161,516 | 0.00% |
| Jacobs Levy Equity Management, Inc | 506,591 | 1.20% | $2.91M | +327,658 | 0.01% |
| Bridgeway Capital Management, LLC | 494,432 | 1.17% | $2.84M | −3,677 | 0.05% |
| Nuveen, LLC | 476,540 | 1.13% | $2.74M | +392,825 | 0.00% |
| Marshall Wace, Llp | 474,354 | 1.13% | $2.72M | +255,083 | 0.00% |
| D. E. Shaw & Co., Inc. | 409,591 | 0.97% | $2.35M | +50,909 | 0.00% |
| Morgan Stanley | 367,159 | 0.87% | $2.11M | −104,788 | 0.00% |
| Russell Investments Group, Ltd. | 362,489 | 0.86% | $2.08M | +208,096 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 152 | 32M | 75.1% | 26 / 46 | 52 / 30 | 4M | 5M |
| Q1 2026 | 160 | 33M | 78.3% | 26 / 48 | 58 / 29 | 6M | 3M |
| Q4 2025 | 168 | 33M | 78.4% | 26 / 43 | 68 / 26 | 3M | 4M |
| Q3 2025 | 171 | 33M | 79.4% | 44 / 45 | 49 / 19 | 3M | 4M |
| Q2 2025 | 148 | 34M | 81.2% | 21 / 43 | 59 / 35 | 7M | 4M |
| Q1 2025 | 162 | 32M | 75.1% | 27 / 51 | 60 / 31 | 6M | 5M |
| Q4 2024 | 168 | 30M | 72.1% | 41 / 62 | 40 / 41 | 7M | 7M |
| Q3 2024 | 172 | 31M | 74.2% | 35 / 57 | 55 / 23 | 7M | 4M |
| Q2 2024 | 161 | 32M | 76.0% | 32 / 61 | 46 / 38 | 7M | 8M |
| Q1 2024 | 168 | 32M | 76.8% | 34 / 55 | 50 / 10 | 5M | 4M |
| Q4 2023 | 145 | 32M | 75.1% | 23 / 50 | 42 / 21 | 6M | 4M |
| Q3 2023 | 143 | 30M | 70.4% | 29 / 46 | 47 / 16 | 6M | 5M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of HDSN | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,189,633 | 2.83% | $6.83M | 0.00% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 1,124,116 | 2.67% | $5.98M | 0.02% | May 31, 2026 |
| iShares Russell 2000 ETF | 966,157 | 2.30% | $5.55M | 0.01% | Jun 30, 2026 |
| U.S. Small Cap Value Portfolio | 573,473 | 1.36% | $3.46M | 0.02% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 423,209 | 1.01% | $2.43M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 407,116 | 0.97% | $2.46M | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF | 355,256 | 0.84% | $2.04M | 0.01% | Jun 30, 2026 |
| Dimensional US Small Cap Value ETF | 245,982 | 0.58% | $1.49M | 0.02% | Jul 31, 2026 |
| EA Bridgeway Omni Small-Cap Value ETF | 205,878 | 0.49% | $1.18M | 0.05% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 197,892 | 0.47% | $1.05M | 0.01% | May 31, 2026 |
| U.S. Small Cap Portfolio | 194,008 | 0.46% | $1.17M | 0.01% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund | 188,014 | 0.45% | $1.00M | 0.00% | May 31, 2026 |
| Ultra-Small Company Fund | 186,842 | 0.44% | $1.07M | 1.09% | Jun 30, 2026 |
| U.S. Targeted Value Portfolio | 181,589 | 0.43% | $1.10M | 0.01% | Jul 31, 2026 |
| Dimensional U.S. Targeted Value ETF | 175,437 | 0.42% | $1.06M | 0.01% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Kenneth Gaglione | President and CEO, Director | 42,504 | 0.10% | May 15, 2026 |
| Kathleen Houghton | Sr. VP-Sales and Marketing, Director | 142,112 | 0.34% | Jan 12, 2026 |
| Brian J. Bertaux | Chief Financial Officer | 2,000 | 0.00% | May 21, 2026 |
| Robert Stoody | Senior VP - Operations | 70,047 | 0.17% | Feb 2, 2026 |
| Richard Parrillo | Director | 195,746 | 0.47% | Jun 22, 2026 |
| Eric A. Prouty | Director | 158,292 | 0.38% | Jun 22, 2026 |
| Loan Nguyen Mansy | Director | 34,476 | 0.08% | Jun 22, 2026 |
| Nicole E. Bulgarino | Director | 11,048 | 0.03% | Jun 22, 2026 |
| Jeffrey R. Feeler | Director | 12,384 | 0.03% | Jun 22, 2026 |
| Alan Sheriff | Director | 12,484 | 0.03% | Jun 22, 2026 |
| Vincent P. Abbatecola | Director | 280,994 | 0.67% | Nov 18, 2025 |
| Hartree Partners, LP | 10% owner | 5,348,517 | 12.71% | Sep 28, 2026 |
| Brian F. Coleman | – | 426,968 | 1.01% | Dec 15, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Hartree Partners, LP 10% owner | Sep 24, 2026 | Buy | +118,549 | $5.10 | $604.60K | 5,348,517 |
| Hartree Partners, LP 10% owner | Sep 23, 2026 | Buy | +11,013 | $5.10 | $56.17K | 5,229,968 |
| Hartree Partners, LP 10% owner | Sep 21, 2026 | Buy | +2,502 | $5.10 | $12.76K | 5,218,955 |
| Hartree Partners, LP 10% owner | Sep 16, 2026 | Buy | +11,136 | $5.10 | $56.79K | 5,216,453 |
| Hartree Partners, LP 10% owner | Sep 2, 2026 | Buy | +5,317 | $5.10 | $27.12K | 5,205,317 |
| Hartree Partners, LP 10% owner | Aug 25, 2026 | Buy | +91,166 | $5.50 | $501.41K | 5,200,000 |
| Hartree Partners, LP 10% owner | Aug 24, 2026 | Buy | +9,446 | $5.50 | $51.95K | 5,108,834 |
| Hartree Partners, LP 10% owner | Aug 12, 2026 | Buy | +5,198 | $5.50 | $28.59K | 5,099,388 |
| Hartree Partners, LP 10% owner | Jul 29, 2026 | Buy | +52,104 | $5.99 | $312.10K | 5,094,190 |
| Hartree Partners, LP 10% owner | Jul 21, 2026 | Buy | +47,708 | $5.99 | $285.77K | 5,042,086 |
| Hartree Partners, LP 10% owner | Jul 20, 2026 | Buy | +17,842 | $5.99 | $106.87K | 4,994,378 |
| Hartree Partners, LP 10% owner | Jul 7, 2026 | Buy | +600 | $5.99 | $3.59K | 4,976,536 |
| Hartree Partners, LP 10% owner | Jul 6, 2026 | Buy | +4,634 | $5.99 | $27.76K | 4,975,936 |
| Hartree Partners, LP 10% owner | Jul 2, 2026 | Buy | +271,302 | $5.97 | $1.62M | 4,971,302 |
| Hartree Partners, LP 10% owner | Jul 1, 2026 | Buy | +288,111 | $5.88 | $1.69M | 4,700,000 |
| Hartree Partners, LP 10% owner | Jun 30, 2026 | Buy | +204,789 | $5.68 | $1.16M | 4,411,889 |
| Alan Sheriff Director | Jun 17, 2026 | Award | +3,219 | – | – | 12,484 |
| Eric A. Prouty Director | Jun 17, 2026 | Award | +4,440 | – | – | 158,292 |
| Jeffrey R. Feeler Director | Jun 17, 2026 | Award | +3,219 | – | – | 12,384 |
| Loan Nguyen Mansy Director | Jun 17, 2026 | Award | +8,881 | – | – | 34,476 |
| Brian J. Bertaux Chief Financial Officer | May 19, 2026 | Buy | +2,000 | $4.87 | $9.74K | 2,000 |
| Jeffrey R. Feeler Director | May 14, 2026 | Buy | +5,100 | $4.92 | $25.09K | 9,165 |
| Loan Nguyen Mansy Director | May 14, 2026 | Buy | +3,600 | $4.96 | $17.86K | 24,195 |
| Loan Nguyen Mansy Director | May 14, 2026 | Buy | +1,400 | $4.97 | $6.96K | 25,595 |
| Richard Parrillo Director | May 14, 2026 | Buy | +1,400 | $4.97 | $6.96K | 25,595 |
| Richard Parrillo Director | May 14, 2026 | Buy | +3,600 | $4.96 | $17.86K | 24,195 |
| Nicole E. Bulgarino Director | May 14, 2026 | Buy | +550 | $4.85 | $2.67K | 11,048 |
| Richard Parrillo Director | May 13, 2026 | Buy | +10,000 | $4.83 | $48.30K | 195,746 |
| Alan Sheriff Director | May 13, 2026 | Buy | +5,200 | $4.88 | $25.38K | 9,265 |
| Kenneth Gaglione President and CEO, Director | May 13, 2026 | Buy | +5,000 | $4.90 | $24.50K | 5,000 |
| Eric A. Prouty Director | May 13, 2026 | Buy | +5,000 | $4.84 | $24.20K | 153,852 |
| Alan Sheriff Director | Apr 10, 2026 | Award | +4,065 | – | – | 4,065 |
| Jeffrey R. Feeler Director | Apr 10, 2026 | Award | +4,065 | – | – | 4,065 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Tax withholding | −21,797 | $7.10 | $154.76K | 142,112 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Option exercise | +120,000 | $0.75 | $90.00K | 161,163 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Tax withholding | −44,873 | $7.10 | $318.60K | 116,290 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Option exercise | +47,619 | $1.60 | $76.19K | 163,909 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Option exercise | +50,888 | $3.81 | $193.88K | 193,000 |
| Kathleen Houghton Sr. VP-Sales and Marketing, Director | Jan 8, 2026 | Tax withholding | −34,382 | $7.10 | $244.11K | 158,618 |
| Brian F. Coleman – | Dec 5, 2025 | Sale | −484,616 | $7.40 | $3.59M | 426,968 |
| Brian F. Coleman Director | Dec 5, 2025 | Sale | −484,616 | $7.40 | $3.59M | 1,944,312 |
| Vincent P. Abbatecola Director | Nov 17, 2025 | Buy | +3,500 | $6.79 | $23.77K | 169,748 |
| Vincent P. Abbatecola Director | Sep 24, 2025 | Tax withholding | −3,519 | $9.91 | $34.87K | 166,248 |
| Vincent P. Abbatecola Director | Sep 24, 2025 | Option exercise | +4,744 | $7.35 | $34.87K | 169,767 |
| Eric A. Prouty Director | Jul 31, 2025 | Option exercise | +4,744 | $7.35 | $34.87K | 152,565 |
| Eric A. Prouty Director | Jul 31, 2025 | Tax withholding | −3,713 | $9.39 | $34.87K | 148,852 |
| Richard Parrillo Director | Jun 18, 2025 | Award | +3,182 | – | – | 185,746 |
| Vincent P. Abbatecola Director | Jun 18, 2025 | Award | +3,182 | – | – | 165,023 |
| Loan Nguyen Mansy Director | Jun 18, 2025 | Award | +6,365 | – | – | 20,595 |
| Nicole E. Bulgarino Director | Jun 18, 2025 | Award | +3,182 | – | – | 10,498 |
| Eric A. Prouty Director | Jun 18, 2025 | Award | +3,182 | – | – | 147,821 |
| Vincent P. Abbatecola Director | Nov 7, 2024 | Buy | +2,500 | $5.98 | $14.95K | 161,841 |
| Nicole E. Bulgarino Director | Jun 19, 2024 | Award | +3,915 | – | – | 7,316 |
| Richard Parrillo Director | Jun 19, 2024 | Award | +2,796 | – | – | 182,564 |
| Loan Nguyen Mansy Director | Jun 19, 2024 | Award | +5,593 | – | – | 14,230 |
| Vincent P. Abbatecola Director | Jun 14, 2024 | Sale | −10,000 | $9.20 | $92.00K | 159,341 |
| Vincent P. Abbatecola Director | Jun 12, 2024 | Tax withholding | −3,055 | $9.21 | $28.14K | 169,341 |
| Vincent P. Abbatecola Director | Jun 12, 2024 | Option exercise | +8,276 | $3.40 | $28.14K | 172,396 |
| Richard Parrillo Director | Dec 14, 2023 | Sale | −2,259 | $13.31 | $30.07K | 197,714 |
| Richard Parrillo Director | Dec 14, 2023 | Sale | −55 | $13.32 | $733 | 197,659 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Eric A. Prouty Director | Jun 13, 2023 | 20,000 | $187.00K | Jun 14, 2023 | Options Exercise |