HUDSON TECHNOLOGIES INC HDSN
$5.99
+5.6% 52w: $4.84 – $10.44
Latest 13F among current holders filed 17 days ago (Jun 18, 2026)
Price — last 12 months
research preview data4.847.6410.44
Jun 20, 2025 Jul 2, 2026
Institutional holders
160
-8 QoQ
13F value
$194.0M
-14.3% QoQ
Smart-money holders
10
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
calls only
$69K calls / — puts
Institutional value by quarter
Number of holders
Who owns HDSN?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Hartree Partners, LP ★2 | Fundamental diversified | 3.8M | $22.3M | 4.8% | Held |
| WESTERLY CAPITAL MANAGEMENT, LLC ★2 | Fundamental concentrated | 3.2M | $18.7M | 5.8% | +24.5% |
| BlackRock, Inc. | Index provider | 2.9M | $16.8M | 0.0% | -1.8% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 2.1M | $12.6M | 0.0% | +5.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.7M | $9.8M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 1.5M | $8.8M | 0.0% | -11.4% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 1.5M | $8.7M | 0.0% | +7.3% |
| NEW SOUTH CAPITAL MANAGEMENT INC ★3 | Fundamental concentrated | 1.2M | $7.3M | 0.3% | -3.3% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 948.5K | $5.6M | 0.0% | +0.6% |
| STATE STREET CORP | Index provider | 897.9K | $5.3M | 0.0% | +0.4% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 881.2K | $5.2M | 0.0% | -10.3% |
| CASPIAN CAPITAL LP ★2 | Fundamental diversified | 728.3K | $4.3M | 4.2% | Held |
| SEGALL BRYANT & HAMILL, LLC | Other | 628.3K | $3.7M | 0.1% | +248.4% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 498.1K | $2.9M | 0.1% | +31.7% |
| MORGAN STANLEY | Bank broker | 471.9K | $2.8M | 0.0% | -33.1% |
| CITADEL ADVISORS LLC | Multistrat pod | 412.8K | $2.4M | 0.0% | +415.4% |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | Diversified mechanical | 410.1K | $2.4M | 0.0% | Held |
| NORTHERN TRUST CORP | Index provider | 399.4K | $2.3M | 0.0% | +1.9% |
| Qube Research & Technologies Ltd | Quant stat arb | 370.9K | $2.2M | 0.0% | +126.6% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 358.7K | $2.1M | 0.0% | -38.5% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 344.3K | $2.0M | 0.0% | +1.5% |
| LAZARD ASSET MANAGEMENT LLC | Diversified mechanical | 325.9K | $1.9M | 0.0% | -24.5% |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 325.0K | $1.9M | 0.2% | -3.0% |
| JB CAPITAL PARTNERS LP ★2 | Fundamental diversified | 306.2K | $1.8M | 0.3% | Held |
| Bank of New York Mellon Corp | Diversified mechanical | 282.4K | $1.7M | 0.0% | -13.3% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 272.9K | $1.6M | 0.0% | +101.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 268.5K | $1.6M | 0.0% | — |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 242.9K | $1.4M | 0.0% | — |
| MARSHALL WACE, LLP | Quant stat arb | 219.3K | $1.3M | 0.0% | -52.9% |
| KESTREL INVESTMENT MANAGEMENT CORP ★2 | Fundamental diversified | 200.8K | $1.2M | 0.7% | -0.5% |
| GOLDMAN SACHS GROUP INC | Bank broker | 197.9K | $1.2M | 0.0% | +4.2% |
| Empowered Funds, LLC | Diversified mechanical | 194.6K | $1.1M | 0.0% | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 178.9K | $1.1M | 0.0% | +12.0% |
| Numerai GP LLC | Quant stat arb | 177.3K | $1.0M | 0.1% | New |
| MARATHON CAPITAL MANAGEMENT ★2 | Fundamental diversified | 174.3K | $1.0M | 0.2% | -0.6% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Diversified mechanical | 170.8K | $1.0M | 0.0% | 0.0% |
| GRIMES & Co WEALTH MANAGEMENT, LLC | Wealth advisor | 158.6K | $933K | 0.0% | +285.3% |
| Russell Investments Group, Ltd. | Diversified mechanical | 154.4K | $908K | 0.0% | +11.3% |
| Pacific Ridge Capital Partners, LLC | Other | 146.9K | $864K | 0.2% | +24.1% |
| FIRST TRUST ADVISORS LP | Index provider | 145.1K | $853K | 0.0% | +2.2% |
| WEDGE CAPITAL MANAGEMENT L L P/NC | Other | 144.7K | $851K | 0.0% | -5.6% |
| CREDIT AGRICOLE S A | Diversified mechanical | 140.0K | $823K | 0.0% | Held |
| KBC Group NV | Diversified mechanical | 123.0K | $723K | 0.0% | Held |
| PRUDENTIAL FINANCIAL INC | Insurance | 121.7K | $716K | 0.0% | +74.0% |
| JPMORGAN CHASE & CO | Bank broker | 117.5K | $672K | 0.0% | -7.9% |
| ZAZOVE ASSOCIATES LLC ★3 | Fundamental concentrated | 100.0K | $637K | 0.4% | +100.0% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 102.3K | $602K | 0.0% | +22.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 102.0K | $600K | 0.0% | -11.6% |
| Jump Financial, LLC | Market maker | 90.6K | $533K | 0.0% | New |
| EdgeRock Capital LLC | Wealth advisor | 90.5K | $532K | 0.1% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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