TETRAPHASE PHARMACEUTICALS I's ticker is TTPHXXXX and the CUSIP is 88165N105. A total of 102 filers reported holding TETRAPHASE PHARMACEUTICALS I in Q1 2016. The put-call ratio across all filers is 0.33 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $1,000 | -50.0% | 163 | -42.2% | 0.00% | – |
| Q3 2015 | $2,000 | -84.6% | 282 | 0.0% | 0.00% | – |
| Q2 2015 | $13,000 | +30.0% | 282 | 0.0% | 0.00% | – |
| Q1 2015 | $10,000 | -23.1% | 282 | -17.8% | 0.00% | – |
| Q4 2014 | $13,000 | +116.7% | 343 | 0.0% | 0.00% | – |
| Q3 2014 | $6,000 | +500.0% | 343 | +345.5% | 0.00% | – |
| Q2 2014 | $1,000 | -50.0% | 77 | -61.1% | 0.00% | – |
| Q1 2014 | $2,000 | – | 198 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HARVEY CAPITAL MANAGEMENT INC | 293,675 | $14,061,000 | 4.76% |
| BB BIOTECH AG | 1,507,114 | $71,497,000 | 1.94% |
| SECTORAL ASSET MANAGEMENT INC | 893,076 | $42,368,000 | 1.77% |
| Opaleye Management Inc. | 65,000 | $3,084,000 | 1.23% |
| COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT | 390,294 | $18,515,000 | 1.14% |
| Granite Point Capital Management, L.P. | 75,206 | $3,568,000 | 1.04% |
| Granahan Investment Management | 705,601 | $33,474,000 | 0.95% |
| Iguana Healthcare Management, LLC | 50,000 | $2,372,000 | 0.75% |
| Eventide Asset Management | 290,000 | $13,758,000 | 0.74% |
| Rhenman & Partners Asset Management AB | 107,400 | $5,095,000 | 0.61% |