ALDER BIOPHARMACEUTICALS INC's ticker is and the CUSIP is 014339905. A total of 3 filers reported holding ALDER BIOPHARMACEUTICALS INC in Q2 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $886,000 | +4822.2% | 47,000 | +3033.3% | 0.01% | – |
| Q2 2019 | $18,000 | -33.3% | 1,500 | -25.0% | 0.00% | – |
| Q1 2019 | $27,000 | -15.6% | 2,000 | -35.5% | 0.00% | – |
| Q4 2018 | $32,000 | -88.6% | 3,100 | -81.7% | 0.00% | -100.0% |
| Q3 2018 | $281,000 | -31.8% | 16,900 | -35.2% | 0.00% | -50.0% |
| Q2 2018 | $412,000 | +324.7% | 26,100 | +243.4% | 0.00% | +300.0% |
| Q1 2018 | $97,000 | -84.3% | 7,600 | -85.9% | 0.00% | -75.0% |
| Q4 2017 | $617,000 | +3.0% | 53,900 | +10.2% | 0.00% | -20.0% |
| Q3 2017 | $599,000 | +755.7% | 48,900 | +701.6% | 0.01% | +400.0% |
| Q2 2017 | $70,000 | -4.1% | 6,100 | +74.3% | 0.00% | 0.0% |
| Q4 2016 | $73,000 | – | 3,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 36 | $42,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 1,500 | $18,000 | 0.00% |