TETRAPHASE PHARMACEUTICALS I's ticker is and the CUSIP is 88165N955. A total of 3 filers reported holding TETRAPHASE PHARMACEUTICALS I in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $175,000 | -38.8% | 37,700 | +32.3% | 0.00% | – |
| Q4 2015 | $286,000 | -24.5% | 28,500 | -43.9% | 0.00% | – |
| Q3 2015 | $379,000 | -71.5% | 50,800 | +81.4% | 0.00% | -100.0% |
| Q2 2015 | $1,328,000 | +104.6% | 28,000 | +58.2% | 0.00% | 0.0% |
| Q1 2015 | $649,000 | +57.1% | 17,700 | +70.2% | 0.00% | – |
| Q4 2014 | $413,000 | – | 10,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 68,800 | $319,000 | 0.01% |
| SIMPLEX TRADING, LLC | 144 | $60,000 | 0.01% |
| Citadel Advisors | 37,700 | $175,000 | 0.00% |