PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 90 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2018. The put-call ratio across all filers is 0.75 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $50,000 | +4.2% | 36,338 | -36.1% | 0.00% | – |
| Q3 2019 | $48,000 | -57.5% | 56,884 | -50.6% | 0.00% | – |
| Q2 2019 | $113,000 | -92.1% | 115,082 | -89.8% | 0.00% | – |
| Q1 2019 | $1,424,000 | -63.8% | 1,130,383 | -6.9% | 0.00% | -100.0% |
| Q4 2018 | $3,933,000 | +15632.0% | 1,213,886 | +11789.2% | 0.00% | – |
| Q3 2018 | $25,000 | -78.6% | 10,210 | -75.7% | 0.00% | – |
| Q2 2018 | $117,000 | -40.6% | 41,936 | +1.1% | 0.00% | – |
| Q1 2018 | $197,000 | -44.4% | 41,468 | -31.8% | 0.00% | – |
| Q4 2017 | $354,000 | +45.7% | 60,796 | +17.1% | 0.00% | – |
| Q2 2017 | $243,000 | +179.3% | 51,911 | +364.3% | 0.00% | – |
| Q1 2017 | $87,000 | -58.8% | 11,180 | -35.9% | 0.00% | – |
| Q2 2016 | $211,000 | +36.1% | 17,432 | +8.5% | 0.00% | – |
| Q1 2016 | $155,000 | – | 16,059 | – | 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% |