PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 62 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $267,000 | +11.2% | 49,800 | +6.6% | 0.00% | – |
| Q4 2018 | $240,000 | -47.0% | 46,700 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $453,000 | -4.8% | 46,700 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $476,000 | -21.6% | 46,700 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $607,000 | -1.8% | 46,700 | +35.4% | 0.00% | 0.0% |
| Q4 2017 | $618,000 | -28.6% | 34,500 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $866,000 | +19.4% | 34,500 | +14.6% | 0.00% | 0.0% |
| Q2 2017 | $725,000 | +44.7% | 30,100 | +15.8% | 0.00% | 0.0% |
| Q1 2017 | $501,000 | +25.2% | 26,000 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $400,000 | +47.1% | 26,000 | +24.4% | 0.00% | – |
| Q3 2016 | $272,000 | -6.5% | 20,900 | 0.0% | 0.00% | – |
| Q2 2016 | $291,000 | +29.9% | 20,900 | +35.7% | 0.00% | – |
| Q1 2016 | $224,000 | -1.8% | 15,400 | +28.3% | 0.00% | -100.0% |
| Q4 2015 | $228,000 | – | 12,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Omega Fund Management, LLC | 2,600,410 | $13,340,000 | 9.89% |
| Abingworth LLP | 1,041,131 | $5,341,000 | 4.85% |
| Roumell Asset Management, LLC | 450,406 | $2,311,000 | 4.78% |
| HIGHLAND CAPITAL MANAGEMENT LP | 2,391,993 | $12,271,000 | 0.94% |
| Trellus Management Company, LLC | 71,200 | $365,000 | 0.82% |
| ARMISTICE CAPITAL, LLC | 1,968,000 | $10,096,000 | 0.76% |
| Arbiter Partners Capital Management LLC | 1,111,936 | $5,704,000 | 0.64% |
| Fortress Investment Group LLC | 433,804 | $2,226,000 | 0.27% |
| GENERAL AMERICAN INVESTORS CO INC | 464,985 | $2,385,000 | 0.25% |
| WATER ISLAND CAPITAL LLC | 318,518 | $1,634,000 | 0.12% |