ALDEYRA THERAPEUTICS INC's ticker is ALDX and the CUSIP is 01438T106. A total of 83 filers reported holding ALDEYRA THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 1.62 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $195,000 | -54.4% | 48,711 | 0.0% | 0.56% | -55.4% |
| Q3 2021 | $428,000 | -24.5% | 48,711 | -2.7% | 1.26% | -13.0% |
| Q2 2021 | $567,000 | -25.0% | 50,062 | -21.3% | 1.45% | -29.5% |
| Q1 2021 | $756,000 | -99.8% | 63,634 | -1.6% | 2.06% | +46.4% |
| Q4 2020 | $443,828,000 | +92945.7% | 64,698 | +0.5% | 1.40% | -31.3% |
| Q3 2020 | $477,000 | +24.9% | 64,391 | -29.7% | 2.04% | +13.6% |
| Q2 2020 | $382,000 | +64.7% | 91,566 | -2.4% | 1.80% | +23.1% |
| Q1 2020 | $232,000 | -40.2% | 93,863 | +40.4% | 1.46% | -10.7% |
| Q4 2019 | $388,000 | +6.6% | 66,849 | -3.2% | 1.64% | +7.0% |
| Q3 2019 | $364,000 | -2.4% | 69,029 | +10.0% | 1.53% | +12.5% |
| Q2 2019 | $373,000 | -26.1% | 62,736 | +12.1% | 1.36% | -32.2% |
| Q1 2019 | $505,000 | +59.8% | 55,961 | +46.9% | 2.01% | -1.6% |
| Q4 2018 | $316,000 | -39.9% | 38,097 | 0.0% | 2.04% | -24.8% |
| Q3 2018 | $526,000 | +60.9% | 38,097 | -7.4% | 2.71% | +86.6% |
| Q2 2018 | $327,000 | – | 41,128 | – | 1.45% | – |
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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% |