PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 42 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q3 2020. The put-call ratio across all filers is 1.44 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $485,000 | -19.7% | 440,627 | 0.0% | 0.18% | -31.2% |
| Q2 2020 | $604,000 | +20.3% | 440,627 | 0.0% | 0.26% | +7.4% |
| Q1 2020 | $502,000 | -50.0% | 440,627 | 0.0% | 0.24% | -41.5% |
| Q4 2019 | $1,005,000 | +170.2% | 440,627 | 0.0% | 0.41% | +167.1% |
| Q3 2019 | $372,000 | -56.7% | 440,627 | -50.0% | 0.16% | -3.7% |
| Q2 2019 | $860,000 | +55.0% | 881,254 | +100.0% | 0.16% | -17.9% |
| Q1 2019 | $555,000 | -61.1% | 440,627 | 0.0% | 0.20% | -71.0% |
| Q4 2018 | $1,428,000 | +34.5% | 440,627 | 0.0% | 0.68% | -29.5% |
| Q3 2018 | $1,062,000 | -13.6% | 440,627 | 0.0% | 0.96% | -38.1% |
| Q2 2018 | $1,229,000 | -41.3% | 440,627 | 0.0% | 1.55% | -31.1% |
| Q1 2018 | $2,093,000 | -18.5% | 440,627 | 0.0% | 2.25% | +8.8% |
| Q4 2017 | $2,569,000 | +177.7% | 440,627 | 0.0% | 2.07% | +239.3% |
| Q3 2017 | $925,000 | -55.1% | 440,627 | 0.0% | 0.61% | -31.3% |
| Q2 2017 | $2,062,000 | -40.2% | 440,627 | 0.0% | 0.89% | -53.9% |
| Q1 2017 | $3,446,000 | – | 440,627 | – | 1.93% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Cormorant Asset Management, LP | 3,804,027 | $17,803,000 | 2.95% |
| HARBOURVEST PARTNERS LLC | 440,627 | $2,062,000 | 0.89% |
| NEA Management Company, LLC | 3,556,778 | $16,646,000 | 0.61% |
| Rock Springs Capital Management LP | 450,000 | $2,106,000 | 0.11% |
| Bain Capital Public Equity Management, LLC | 263,498 | $1,233,000 | 0.07% |
| ELEMENT CAPITAL MANAGEMENT LLC | 65,973 | $309,000 | 0.06% |
| Hillhouse Capital Management | 865,923 | $4,053,000 | 0.06% |
| SABBY MANAGEMENT, LLC | 125,151 | $586,000 | 0.04% |
| Marshall Wace North America L.P. | 684,124 | $3,421,000 | 0.02% |
| FNY Partners Fund LP | 20,127 | $94,000 | 0.02% |