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Hudson Technolog (HDSN)
NASDAQ
$6.20-$0.005 (-0.08%)
Price as of Jul 14, 2026 4:04 AM EDT- $271.3MMarket Cap
- -23.65%1-Year Change
- Specialty ChemicalsIndustry
Hudson Technolog (HDSN)
$6.20-$0.005 (-0.08%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
HARTREE PARTNERS, LP | 9.03% | 3.8M | 0 (0.00%) | Mar 31, 2026 |
WESTERLY CAPITAL MANAGEMENT, LLC | 7.55% | 3.2M | +625,000 (+19.69%) | Mar 31, 2026 |
BLACKROCK INC. | 7.54% | 3.2M | +91,271 (+2.88%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 7.52% | 3.2M | -161,562 (-5.11%) | Dec 31, 2024 |
BLACKROCK, INC. | 6.80% | 2.9M | -51,330 (-1.79%) | Mar 31, 2026 |
VANGUARD GROUP INC | 5.56% | 2.3M | -34,471 (-1.47%) | Dec 31, 2025 |
DIMENSIONAL FUND ADVISORS LP | 5.11% | 2.1M | +105,160 (+4.90%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.84% | 1.6M | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 3.61% | 1.5M | 0 (0.00%) | Apr 30, 2026 |
AMERICAN CENTURY ETF TRUST | 3.50% | 1.5M | +127,414 (+8.65%) | Feb 28, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 3.08% | 1.3M | +48,871 (+3.77%) | Apr 30, 2026 |
FIDELITY SECURITIES FUND | 2.07% | 872,000 | 0 (0.00%) | Apr 30, 2026 |
MERIDIAN FUND INC | 1.49% | 627,716 | 0 (0.00%) | Mar 31, 2026 |
Dimensional ETF Trust | 1.40% | 588,243 | +55,838 (+9.49%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions551.4M (77.88%)
- Mutual Funds146.2M (20.65%)
- Insiders10.4M (1.47%)
- Other0 (0.00%)
Insider Transactions
- 1.47% (10.4M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $138.6MAmount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Hartree Partners, LP | Buy | Jul 07, 2026 | $3,594.00 | 600 | $5.99 | 5.0M |
Hartree Partners, LP | Buy | Jul 06, 2026 | $27,757.66 | 4,634 | $5.99 | 5.0M |
Hartree Partners, LP | Buy | Jul 02, 2026 | $1.6M | 271,302 | $5.97 | 5.0M |
Hartree Partners, LP | Buy | Jul 01, 2026 | $1.7M | 288,111 | $5.88 | 4.7M |
Hartree Partners, LP | Buy | Jun 30, 2026 | $1.2M | 204,789 | $5.68 | 4.4M |
Sheriff Alan | Award | Jun 17, 2026 | $0.00 | 15,360 | $0.00 | 15,360 |
Parrillo Richard | Award | Jun 17, 2026 | $0.00 | 31,780 | $0.00 | 31,780 |
Sheriff Alan | Award | Jun 17, 2026 | $0.00 | 3,219 | $0.00 | 12,484 |
Mansy Loan Nguyen | Award | Jun 17, 2026 | $0.00 | 21,186 | $0.00 | 21,186 |
Proudy Eric A | Award | Jun 17, 2026 | $0.00 | 21,186 | $0.00 | 21,186 |
Mansy Loan Nguyen | Award | Jun 17, 2026 | $0.00 | 8,881 | $0.00 | 34,476 |
Proudy Eric A | Award | Jun 17, 2026 | $0.00 | 4,440 | $0.00 | 158,292 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $0.00 | 120,000 | $0.00 | 0 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $0.00 | 47,619 | $0.00 | 0 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $0.00 | 50,888 | $0.00 | 0 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $90,000.00 | 120,000 | $0.75 | 161,163 |
Houghton Kathleen Sr. VP-Sales and Marketing | In Kind | Jan 08, 2026 | $318,598.30 | 44,873 | $7.10 | 116,290 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $76,190.40 | 47,619 | $1.60 | 163,909 |
Houghton Kathleen Sr. VP-Sales and Marketing | In Kind | Jan 08, 2026 | $154,758.70 | 21,797 | $7.10 | 142,112 |
Houghton Kathleen Sr. VP-Sales and Marketing | Exempt | Jan 08, 2026 | $193,883.28 | 50,888 | $3.81 | 193,000 |
Houghton Kathleen Sr. VP-Sales and Marketing | In Kind | Jan 08, 2026 | $244,112.20 | 34,382 | $7.10 | 158,618 |
Gaglione Kenneth President and CEO | Award | Nov 24, 2025 | $0.00 | 216,309 | $0.00 | 216,309 |
ABBATECOLA VINCENT P | Buy | Nov 17, 2025 | $23,747.50 | 3,500 | $6.79 | 169,748 |
Proudy Eric A | Exempt | Jul 31, 2025 | $0.00 | 4,744 | $0.00 | 0 |
Proudy Eric A | Exempt | Jul 31, 2025 | $34,868.40 | 4,744 | $7.35 | 152,565 |
Proudy Eric A | In Kind | Jul 31, 2025 | $34,865.07 | 3,713 | $9.39 | 148,852 |
ABBATECOLA VINCENT P | Award | Jun 18, 2025 | $0.00 | 13,698 | $0.00 | 13,698 |
Parrillo Richard | Award | Jun 18, 2025 | $0.00 | 13,698 | $0.00 | 13,698 |
Bulgarino Nicole E | Award | Jun 18, 2025 | $0.00 | 13,698 | $0.00 | 13,698 |
Parrillo Richard | Award | Jun 18, 2025 | $0.00 | 3,182 | $0.00 | 185,746 |