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, Q1 2023
Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 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
- 109
- +13 vs. Q4 2022
- Shares held
- 35.6M
- +1.39M (+4.1%) vs. Q4 2022
- Total value
- $353.4M
- +$115.5M (+48.5%) vs. Q4 2022
- New holders
- 20
- 39 more added
- Sold out
- 7
- 25 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 1,098,168 | $10.9M | 0.02% | +852,019+346.1% | Added |
| Millennium Management LLC | 1,118,431 | $11.1M | 0.01% | +268,343+31.6% | Added |
| Dimensional Fund Advisors LP | 1,122,908 | $11.1M | 0.00% | +232,676+26.1% | Added |
| Morgan Stanley | 1,179,963 | $11.7M | 0.00% | +864,713+274.3% | Added |
| Verition Fund Management LLC | 1,565,028 | $15.5M | 0.25% | +6,706+0.4% | Added |
| Eagle Asset Management Inc | 1,844,010 | $18.3M | 0.11% | +72,321+4.1% | Added |
| Knoll Capital Management, LLC | 2,067,160 | $20.5M | 34.32% | +119,070+6.1% | Added |
| Vanguard Group Inc | 2,499,161 | $24.8M | 0.00% | +6,892+0.3% | Added |
| Perceptive Advisors LLC | 11,350,085 | $112.7M | 3.34% | 00.0% | Unchanged |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −272,293−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −230,491−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −22,387−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −21,374−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −152−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −38−100.0% | Sold out |