ALDEYRA THERAPEUTICS INC ALDX
$2.27
-6.6% 52w: $1.24 – $5.89
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data1.243.565.89
Jun 20, 2025 Jul 2, 2026
Institutional holders
126
-9 QoQ
13F value
$63.3M
-68.6% QoQ
Smart-money holders
8
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
1.6×
$1.3M calls / $823K puts
Institutional value by quarter
Number of holders
Who owns ALDX?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Knoll Capital Management, LLC ★3 | Fundamental concentrated | 5.5M | $9.3M | 5.1% | Held |
| BlackRock, Inc. | Index provider | 3.8M | $6.4M | 0.0% | -2.2% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 2.8M | $4.8M | 0.0% | +130.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.4M | $4.0M | 0.0% | — |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | Other | 2.2M | $3.6M | 0.6% | +16.3% |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 1.5M | $2.5M | 0.2% | -2.0% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 1.4M | $2.4M | 0.0% | -12.3% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.3M | $2.1M | 0.0% | +6.9% |
| STATE STREET CORP | Index provider | 1.1M | $1.9M | 0.0% | +2.4% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 995.2K | $1.7M | 0.0% | +2158.9% |
| JANE STREET GROUP, LLC | Market maker | 968.9K | $1.6M | 0.0% | +218.9% |
| ARDSLEY ADVISORY PARTNERS LP | Quant stat arb | 950.0K | $1.6M | 0.2% | -34.5% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 863.2K | $1.5M | 0.0% | +146.6% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 858.3K | $1.4M | 0.0% | -12.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 807.8K | $1.4M | 0.0% | — |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 796.8K | $1.3M | 0.0% | -17.7% |
| Propel Bio Management, LLC ★2 | Fundamental concentrated | 730.6K | $1.2M | 0.8% | New |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 624.2K | $1.1M | 0.0% | +1.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 543.1K | $918K | 0.0% | +77.7% |
| UBS Group AG | Bank broker | 537.6K | $908K | 0.0% | +461.9% |
| MORGAN STANLEY | Bank broker | 518.6K | $877K | 0.0% | -21.1% |
| NORTHERN TRUST CORP | Index provider | 374.8K | $633K | 0.0% | -1.2% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 338.6K | $572K | 0.0% | — |
| HRT FINANCIAL LP | Diversified mechanical | 286.4K | $484K | 0.0% | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 278.4K | $471K | 0.0% | +342.6% |
| WOODSTOCK CORP ★2 | Fundamental diversified | 266.8K | $451K | 0.0% | Held |
| IEQ CAPITAL, LLC | Diversified mechanical | 266.5K | $450K | 0.0% | +84.8% |
| CITADEL ADVISORS LLC | Multistrat pod | 266.3K | $450K | 0.0% | New |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 247.2K | $418K | 0.0% | +155.1% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 223.5K | $378K | 0.0% | -22.2% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 215.3K | $364K | 0.0% | -47.5% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 68.1K | $353K | 0.0% | -9.8% |
| WELLS FARGO & COMPANY/MN | Bank broker | 189.7K | $321K | 0.0% | -48.2% |
| Invesco Ltd. | Index provider | 169.7K | $287K | 0.0% | +4.1% |
| ExodusPoint Capital Management, LP | Multistrat pod | 167.6K | $283K | 0.0% | +81.4% |
| Caption Management, LLC | Quant stat arb | 165.0K | $279K | 0.0% | +371.4% |
| Palo Alto Investors LP ★3 | Fundamental concentrated | 155.7K | $263K | 0.0% | -30.9% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 149.0K | $252K | 0.0% | -16.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 139.0K | $235K | 0.0% | -9.0% |
| Bank of New York Mellon Corp | Diversified mechanical | 136.7K | $231K | 0.0% | +18.1% |
| MARSHALL WACE, LLP | Quant stat arb | 129.7K | $219K | 0.0% | New |
| KENNEDY CAPITAL MANAGEMENT LLC | Other | 95.9K | $162K | 0.0% | -92.4% |
| Mariner, LLC | Diversified mechanical | 91.9K | $155K | 0.0% | +301.6% |
| CWM, LLC | Wealth advisor | 91.6K | $155K | 0.0% | +111.6% |
| FOX RUN MANAGEMENT, L.L.C. | Quant stat arb | 91.0K | $153K | 0.0% | +333.5% |
| Qube Research & Technologies Ltd | Quant stat arb | 87.1K | $147K | 0.0% | +2.5% |
| Russell Investments Group, Ltd. | Diversified mechanical | 84.3K | $142K | 0.0% | -26.1% |
| Cerity Partners LLC | Diversified mechanical | 81.2K | $137K | 0.0% | +59.1% |
| XTX Topco Ltd | Market maker | 75.2K | $127K | 0.0% | +78.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 73.8K | $125K | 0.0% | +14.8% |
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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