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 2024
Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 2024. 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
- 112
- +11 vs. Q2 2024
- Shares held
- 36.7M
- +4.99M (+15.7%) vs. Q2 2024
- Total value
- $196.4M
- +$91.4M (+87.2%) vs. Q2 2024
- New holders
- 19
- 40 more added
- Sold out
- 8
- 24 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 549,564 | $2.96M | 0.01% | +18,343+3.5% | Added |
| Dimensional Fund Advisors LP | 604,041 | $3.26M | 0.00% | −68,016−10.1% | Reduced |
| Invesco Ltd. | 656,510 | $3.54M | 0.00% | +626,646+2,098.3% | Added |
| Eagle Asset Management Inc | 709,518 | $3.92M | 0.02% | −132,053−15.7% | Reduced |
| State Street Corp | 973,908 | $5.25M | 0.00% | +16,188+1.7% | Added |
| Geode Capital Management, LLC | 1,114,628 | $6.01M | 0.00% | −23,415−2.1% | Reduced |
| Kennedy Capital Management, Inc. | 1,881,078 | $10.1M | 0.22% | +281,405+17.6% | Added |
| BlackRock, Inc. | 3,734,408 | $20.1M | 0.00% | +3,734,408 | New |
| Vanguard Group Inc | 3,760,619 | $20.3M | 0.00% | +18,233+0.5% | Added |
| Knoll Capital Management, LLC | 5,475,516 | $29.5M | 14.26% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 9,275,851 | $50.0M | 1.07% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 287,287 | – | – | +229,487+397.0% | Added |
| Johnson & Johnson | 0 | $0 | 0.00% | −299,669−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −43,825−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −34,781−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −29,302−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −16,020−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −14,168−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Institutional & Family Asset Management, LLC | – | – | – | – | Not filed |