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 | $20,000 | -20.0% | 18,000 | 0.0% | 0.00% | – |
| Q2 2020 | $25,000 | -70.2% | 18,000 | -75.7% | 0.00% | – |
| Q1 2020 | $84,000 | +104.9% | 73,968 | +310.9% | 0.00% | – |
| Q4 2019 | $41,000 | +57.7% | 18,000 | -31.7% | 0.00% | – |
| Q2 2019 | $26,000 | -21.2% | 26,363 | 0.0% | 0.00% | – |
| Q1 2019 | $33,000 | -61.2% | 26,363 | 0.0% | 0.00% | – |
| Q4 2018 | $85,000 | -4.5% | 26,363 | -28.8% | 0.00% | – |
| Q3 2018 | $89,000 | -13.6% | 37,027 | 0.0% | 0.00% | – |
| Q2 2018 | $103,000 | -41.5% | 37,027 | 0.0% | 0.00% | – |
| Q1 2018 | $176,000 | -37.8% | 37,027 | -23.7% | 0.00% | – |
| Q4 2017 | $283,000 | +177.5% | 48,531 | 0.0% | 0.00% | – |
| Q3 2017 | $102,000 | -65.5% | 48,531 | -23.2% | 0.00% | – |
| Q2 2017 | $296,000 | – | 63,153 | – | 0.00% | – |
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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% |