TETRAPHASE PHARMACEUTICALS I's ticker is and the CUSIP is 88165N955. A total of 3 filers reported holding TETRAPHASE PHARMACEUTICALS I in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $0 | -100.0% | 1 | -98.6% | 0.00% | – |
| Q4 2018 | $8,000 | -98.1% | 73 | -95.2% | 0.00% | -100.0% |
| Q3 2018 | $423,000 | +504.3% | 1,533 | +341.8% | 0.00% | -66.7% |
| Q1 2018 | $70,000 | +34.6% | 347 | -40.0% | 0.00% | +50.0% |
| Q4 2017 | $52,000 | -3.7% | 578 | +36.0% | 0.00% | 0.0% |
| Q3 2017 | $54,000 | +38.5% | 425 | +110.4% | 0.00% | 0.0% |
| Q2 2017 | $39,000 | – | 202 | +494.1% | 0.00% | – |
| Q1 2017 | $0 | -100.0% | 34 | -71.7% | 0.00% | -100.0% |
| Q4 2016 | $12,000 | -75.0% | 120 | +12.1% | 0.00% | -66.7% |
| Q2 2016 | $48,000 | -20.0% | 107 | -25.7% | 0.00% | -40.0% |
| Q1 2016 | $60,000 | +200.0% | 144 | +148.3% | 0.01% | +150.0% |
| Q4 2015 | $20,000 | -95.9% | 58 | -88.9% | 0.00% | -94.3% |
| Q3 2015 | $482,000 | +1995.7% | 524 | +144.9% | 0.04% | +1650.0% |
| Q2 2015 | $23,000 | +53.3% | 214 | +548.5% | 0.00% | 0.0% |
| Q1 2015 | $15,000 | +650.0% | 33 | +312.5% | 0.00% | – |
| Q4 2014 | $2,000 | – | 8 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 58,700 | $210,000 | 0.00% |