ALDEYRA THERAPEUTICS INC's ticker is ALDX and the CUSIP is 01438T106. A total of 108 filers reported holding ALDEYRA THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 1.26 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,200,000 | -80.5% | 300,000 | -57.1% | 0.43% | -76.1% |
| Q3 2021 | $6,146,000 | -9.6% | 700,000 | +16.7% | 1.80% | -3.9% |
| Q2 2021 | $6,798,000 | -12.0% | 600,000 | -7.7% | 1.87% | +3.0% |
| Q1 2021 | $7,722,000 | +73.2% | 650,000 | 0.0% | 1.82% | +82.6% |
| Q4 2020 | $4,459,000 | -51.9% | 650,000 | -48.0% | 0.99% | -62.9% |
| Q3 2020 | $9,263,000 | +122.1% | 1,250,000 | +25.0% | 2.68% | +143.4% |
| Q2 2020 | $4,170,000 | – | 1,000,000 | – | 1.10% | – |
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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% |