ALDER BIOPHARMACEUTICALS INC's ticker is and the CUSIP is 014339905. 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 | $1,012,000 | +2309.5% | 537 | +1391.7% | 0.00% | – |
| Q2 2019 | $42,000 | +68.0% | 36 | +89.5% | 0.00% | – |
| Q1 2019 | $25,000 | +47.1% | 19 | +11.8% | 0.00% | – |
| Q4 2018 | $17,000 | -72.1% | 17 | -54.1% | 0.00% | – |
| Q3 2018 | $61,000 | +306.7% | 37 | +270.0% | 0.00% | – |
| Q2 2018 | $15,000 | -6.2% | 10 | -95.1% | 0.00% | -100.0% |
| Q1 2018 | $16,000 | +166.7% | 203 | +116.0% | 0.00% | – |
| Q4 2017 | $6,000 | -45.5% | 94 | -30.4% | 0.00% | – |
| Q3 2017 | $11,000 | +1000.0% | 135 | -58.2% | 0.00% | – |
| Q2 2017 | $1,000 | – | 323 | +32200.0% | 0.00% | – |
| Q1 2017 | $0 | -100.0% | 1 | -96.3% | 0.00% | – |
| Q4 2016 | $4,000 | -87.1% | 27 | -49.1% | 0.00% | -100.0% |
| Q3 2016 | $31,000 | +1450.0% | 53 | +278.6% | 0.00% | – |
| Q2 2016 | $2,000 | -84.6% | 14 | -84.8% | 0.00% | -100.0% |
| Q1 2016 | $13,000 | +44.4% | 92 | +922.2% | 0.00% | 0.0% |
| Q4 2015 | $9,000 | +800.0% | 9 | -83.0% | 0.00% | – |
| Q3 2015 | $1,000 | -97.3% | 53 | -26.4% | 0.00% | -100.0% |
| Q2 2015 | $37,000 | – | 72 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 17 | $17,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 3,100 | $32,000 | 0.00% |