ALDER BIOPHARMACEUTICALS INC's ticker is and the CUSIP is 014339955. A total of 3 filers reported holding ALDER BIOPHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $529,000 | +462.8% | 281 | +251.2% | 0.00% | – |
| Q2 2019 | $94,000 | +840.0% | 80 | +900.0% | 0.00% | – |
| Q1 2019 | $10,000 | -33.3% | 8 | -46.7% | 0.00% | – |
| Q4 2018 | $15,000 | -92.1% | 15 | -86.8% | 0.00% | -100.0% |
| Q3 2018 | $189,000 | -5.5% | 114 | -10.2% | 0.00% | 0.0% |
| Q2 2018 | $200,000 | +2757.1% | 127 | +429.2% | 0.00% | – |
| Q1 2018 | $7,000 | -36.4% | 24 | -79.1% | 0.00% | – |
| Q4 2017 | $11,000 | -57.7% | 115 | -40.1% | 0.00% | -100.0% |
| Q3 2017 | $26,000 | -69.8% | 192 | -46.8% | 0.00% | -75.0% |
| Q2 2017 | $86,000 | +2766.7% | 361 | +3911.1% | 0.00% | – |
| Q1 2017 | $3,000 | +50.0% | 9 | -62.5% | 0.00% | – |
| Q4 2016 | $2,000 | -33.3% | 24 | -40.0% | 0.00% | – |
| Q3 2016 | $3,000 | +200.0% | 40 | +566.7% | 0.00% | – |
| Q2 2016 | $1,000 | -98.2% | 6 | -97.7% | 0.00% | -100.0% |
| Q1 2016 | $56,000 | +522.2% | 256 | +349.1% | 0.00% | +300.0% |
| Q4 2015 | $9,000 | -95.4% | 57 | -86.1% | 0.00% | -92.9% |
| Q3 2015 | $196,000 | +6433.3% | 410 | +645.5% | 0.01% | – |
| Q2 2015 | $3,000 | – | 55 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 4,900 | $50,000 | 0.00% |
| SIMPLEX TRADING, LLC | 15 | $15,000 | 0.00% |