PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 47 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q1 2020. The put-call ratio across all filers is 2.11 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 ↓ |
|---|---|---|---|
| VHCP Management III, LLC | 722,890 | $911,000 | 0.53% |
| GREAT POINT PARTNERS LLC | 3,500,000 | $4,410,000 | 0.44% |
| NEA Management Company, LLC | 5,556,778 | $7,002,000 | 0.36% |
| SECTORAL ASSET MANAGEMENT INC | 2,050,328 | $2,583,000 | 0.31% |
| HARBOURVEST PARTNERS LLC | 440,627 | $555,000 | 0.20% |
| VHCP Management II, LLC | 427,110 | $538,000 | 0.16% |
| Endurant Capital Management LP | 130,600 | $165,000 | 0.06% |
| ALGERT GLOBAL LLC | 64,300 | $81,000 | 0.05% |
| Bain Capital Public Equity Management, LLC | 231,418 | $292,000 | 0.03% |
| Kazazian Asset Management, LLC | 14,436 | $18,000 | 0.02% |