PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 52 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2019. The put-call ratio across all filers is 0.67 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $179,000 | -30.1% | 162,500 | -12.9% | 0.00% | 0.0% |
| Q2 2020 | $256,000 | +32.6% | 186,600 | +10.5% | 0.00% | 0.0% |
| Q1 2020 | $193,000 | -44.2% | 168,900 | +11.3% | 0.00% | 0.0% |
| Q4 2019 | $346,000 | +529.1% | 151,700 | +133.7% | 0.00% | – |
| Q3 2019 | $55,000 | +17.0% | 64,900 | +34.9% | 0.00% | – |
| Q2 2019 | $47,000 | +95.8% | 48,100 | +154.5% | 0.00% | – |
| Q1 2019 | $24,000 | -80.0% | 18,900 | -48.8% | 0.00% | – |
| Q4 2018 | $120,000 | +30.4% | 36,900 | -2.9% | 0.00% | – |
| Q3 2018 | $92,000 | -34.8% | 38,000 | -24.6% | 0.00% | – |
| Q2 2018 | $141,000 | – | 50,400 | – | 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% |