ALDEYRA THERAPEUTICS INC's ticker is ALDX and the CUSIP is 01438T106. A total of 120 filers reported holding ALDEYRA THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is 0.40 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,770 | -20.4% | 265 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $2,223 | -15.5% | 265 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $2,631 | -59.3% | 265 | -71.5% | 0.00% | -75.0% |
| Q4 2022 | $6,466 | +29.3% | 929 | 0.0% | 0.00% | +33.3% |
| Q3 2022 | $5,000 | +25.0% | 929 | 0.0% | 0.00% | +50.0% |
| Q2 2022 | $4,000 | +100.0% | 929 | +121.7% | 0.00% | +100.0% |
| Q4 2021 | $2,000 | -50.0% | 419 | 0.0% | 0.00% | -50.0% |
| Q3 2021 | $4,000 | -20.0% | 419 | 0.0% | 0.00% | -33.3% |
| Q2 2021 | $5,000 | 0.0% | 419 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $5,000 | +66.7% | 419 | -21.4% | 0.00% | +50.0% |
| Q4 2020 | $3,000 | +50.0% | 533 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $2,000 | -60.0% | 533 | -43.1% | 0.00% | -33.3% |
| Q3 2019 | $5,000 | -16.7% | 936 | -5.5% | 0.00% | -25.0% |
| Q2 2019 | $6,000 | -33.3% | 990 | 0.0% | 0.00% | -42.9% |
| Q1 2019 | $9,000 | -40.0% | 990 | -7.0% | 0.01% | 0.0% |
| Q3 2018 | $15,000 | – | 1,065 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Knoll Capital Management, LLC | 124,096 | $583,000 | 0.77% |
| SPHERA FUNDS MANAGEMENT LTD. | 875,931 | $4,117,000 | 0.70% |
| Perceptive Advisors | 2,885,458 | $13,417,000 | 0.68% |
| 683 Capital Management, LLC | 525,093 | $2,442,000 | 0.36% |
| Hikari Power Ltd | 107,858 | $507,000 | 0.07% |
| SABBY MANAGEMENT, LLC | 97,704 | $454,000 | 0.03% |
| Weiss Multi-Strategy Advisers LLC | 62,000 | $288,000 | 0.01% |
| ARDSLEY ADVISORY PARTNERS LP | 29,104 | $136,000 | 0.01% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 475,000 | $2,209,000 | 0.01% |
| Virtu KCG Holdings LLC | 22,431 | $104,000 | 0.00% |