Aldeyra Therapeutics, Inc.
ALDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001341235
No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $77.7M in total; no superinvestor holds it.
13F holders, Q3 2023
Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 2023. 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
- 120
- +1 vs. Q2 2023
- Shares held
- 37.8M
- −1.26M (−3.2%) vs. Q2 2023
- Total value
- $252.3M
- −$75.2M (−23.0%) vs. Q2 2023
- New holders
- 15
- 41 more added
- Sold out
- 14
- 37 more reduced
Compare with Q2 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALDX 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 | 107 | $77.7M |
| Q1 2026 | 128 | $63.3M |
| Q4 2025 | 136 | $201.8M |
| Q3 2025 | 131 | $204.2M |
| Q2 2025 | 122 | $130.8M |
| Q1 2025 | 126 | $215.5M |
| Q4 2024 | 119 | $185.6M |
| Q3 2024 | 112 | $196.4M |
| Q2 2024 | 103 | $116.9M |
| Q1 2024 | 101 | $115.8M |
| Q4 2023 | 105 | $123.3M |
| Q3 2023 | 120 | $252.3M |
| Q2 2023 | 119 | $327.5M |
| Q1 2023 | 109 | $353.4M |
| Q4 2022 | 96 | $237.9M |
| Q3 2022 | 89 | $197.4M |
| Q2 2022 | 95 | $147.5M |
| Q1 2022 | 111 | $171.8M |
| Q4 2021 | 115 | $146.7M |
| Q3 2021 | 117 | $348.9M |
| Q2 2021 | 136 | $512.8M |
| Q1 2021 | 108 | $376.7M |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rafferty Asset Management, LLC | 268,690 | $1.79M | 0.01% | +15,469+6.1% | Added |
| Citadel Advisors LLC | 289,799 | $1.94M | 0.00% | +134,651+86.8% | Added |
| Deutsche Bank AG | 294,775 | $1.97M | 0.00% | +6,470+2.2% | Added |
| Bank of America Corp | 297,425 | $1.99M | 0.00% | +748+0.3% | Added |
| Susquehanna International Group, LLP | 341,410 | $2.28M | 0.00% | +99,743+41.3% | Added |
| Wells Fargo & Company | 343,272 | $2.29M | 0.00% | +3,396+1.0% | Added |
| Johnson & Johnson | 394,834 | $2.64M | 0.97% | 00.0% | Unchanged |
| Northern Trust Corp | 412,444 | $2.76M | 0.00% | −1,232−0.3% | Reduced |
| Two Sigma Advisers, LP | 420,900 | $2.81M | 0.01% | −13,100−3.0% | Reduced |
| Millennium Management LLC | 582,178 | $3.89M | 0.00% | +86,603+17.5% | Added |
| Verition Fund Management LLC | 935,273 | $6.25M | 0.08% | +5,199+0.6% | Added |
| Geode Capital Management, LLC | 975,572 | $6.52M | 0.00% | +22,322+2.3% | Added |
| Eagle Asset Management Inc | 1,042,395 | $6.96M | 0.04% | −16,151−1.5% | Reduced |
| Laurion Capital Management LP | 1,128,889 | $7.54M | 0.20% | +127,512+12.7% | Added |
| Dimensional Fund Advisors LP | 1,205,024 | $8.05M | 0.00% | +79,379+7.1% | Added |
| Knoll Capital Management, LLC | 3,031,915 | $20.3M | 21.02% | +16,247+0.5% | Added |
| State Street Corp | 3,065,967 | $20.5M | 0.00% | +24,101+0.8% | Added |
| Vanguard Group Inc | 3,187,420 | $21.3M | 0.00% | +7,226+0.2% | Added |
| BlackRock Inc. | 3,371,132 | $22.5M | 0.00% | +140,718+4.4% | Added |
| Perceptive Advisors LLC | 11,350,085 | $75.8M | 2.55% | 00.0% | Unchanged |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −183,337−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −169,306−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −149,511−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −100,111−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −73,067−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −72,310−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −49,294−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −5,956−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,443−100.0% | Sold out |
| Roffman Miller Associates Inc | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Worth Asset Management, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −246−100.0% | Sold out |