# ALDEYRA THERAPEUTICS INC (ALDX)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ALDX/

- Reporting holders: 2
- Reported value: $5.0K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $4.9K | 3,960 | 0.0% | 12 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $166 | 135 | 0.0% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 2 | $5.0K |
| Q2 2026 | 109 | $93.9M |
| Q1 2026 | 128 | $65.8M |
| Q4 2025 | 139 | $208.7M |
| Q3 2025 | 131 | $207.6M |
| Q2 2025 | 123 | $132.7M |
| Q1 2025 | 129 | $234.9M |
| Q4 2024 | 119 | $194.7M |
| Q3 2024 | 114 | $199.5M |
| Q2 2024 | 103 | $118.3M |
| Q1 2024 | 102 | $119.3M |
| Q4 2023 | 104 | $125.7M |