PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 107 filers reported holding PARATEK PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 4.42 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $9,000 | 0.0% | 1,688 | 0.0% | 0.00% | – |
| Q4 2018 | $9,000 | -43.8% | 1,688 | 0.0% | 0.00% | – |
| Q3 2018 | $16,000 | -5.9% | 1,688 | 0.0% | 0.00% | – |
| Q2 2018 | $17,000 | -22.7% | 1,688 | 0.0% | 0.00% | – |
| Q1 2018 | $22,000 | -26.7% | 1,688 | 0.0% | 0.00% | – |
| Q4 2017 | $30,000 | +76.5% | 1,688 | +149.3% | 0.00% | – |
| Q3 2017 | $17,000 | +6.2% | 677 | 0.0% | 0.00% | – |
| Q2 2017 | $16,000 | +23.1% | 677 | 0.0% | 0.00% | – |
| Q1 2017 | $13,000 | +30.0% | 677 | 0.0% | 0.00% | – |
| Q4 2016 | $10,000 | -76.2% | 677 | -78.9% | 0.00% | – |
| Q3 2016 | $42,000 | – | 3,207 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Omega Fund Management, LLC | 2,600,410 | $10,480,000 | 3.34% |
| Roumell Asset Management, LLC | 340,323 | $1,372,000 | 3.14% |
| Abingworth LLP | 1,041,131 | $4,185,000 | 2.02% |
| ICM ASSET MANAGEMENT INC/WA | 448,315 | $1,807,000 | 1.48% |
| Trellus Management Company, LLC | 147,055 | $593,000 | 0.99% |
| Prosight Management, LP | 450,000 | $1,814,000 | 0.80% |
| ARMISTICE CAPITAL, LLC | 2,268,000 | $9,140,000 | 0.53% |
| Arbiter Partners Capital Management LLC | 848,069 | $3,418,000 | 0.50% |
| NEXPOINT ASSET MANAGEMENT, L.P. | 966,493 | $3,895,000 | 0.30% |
| GENERAL AMERICAN INVESTORS CO INC | 644,323 | $2,597,000 | 0.24% |