PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 62 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $190,000 | +8.0% | 44,000 | 0.0% | 0.00% | -20.0% |
| Q2 2019 | $176,000 | -25.4% | 44,000 | 0.0% | 0.01% | -16.7% |
| Q1 2019 | $236,000 | +4.4% | 44,000 | -0.1% | 0.01% | -33.3% |
| Q4 2018 | $226,000 | -47.1% | 44,023 | 0.0% | 0.01% | -18.2% |
| Q3 2018 | $427,000 | -4.5% | 44,023 | +0.4% | 0.01% | 0.0% |
| Q2 2018 | $447,000 | -14.0% | 43,830 | +9.6% | 0.01% | -31.2% |
| Q1 2018 | $520,000 | -17.1% | 40,000 | +14.3% | 0.02% | 0.0% |
| Q4 2017 | $627,000 | -28.7% | 35,000 | 0.0% | 0.02% | -51.5% |
| Q3 2017 | $879,000 | +82.4% | 35,000 | +75.0% | 0.03% | +65.0% |
| Q2 2017 | $482,000 | +149.7% | 20,000 | +100.0% | 0.02% | +150.0% |
| Q1 2017 | $193,000 | +25.3% | 10,000 | 0.0% | 0.01% | +14.3% |
| Q4 2016 | $154,000 | +1.3% | 10,000 | 0.0% | 0.01% | 0.0% |
| Q1 2016 | $152,000 | -20.0% | 10,000 | 0.0% | 0.01% | -46.2% |
| Q4 2015 | $190,000 | -33.3% | 10,000 | -33.3% | 0.01% | 0.0% |
| Q3 2015 | $285,000 | – | 15,000 | – | 0.01% | – |
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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% |