PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 93 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 3.64 and the average weighting 0.7%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $336,000 | +5.7% | 62,711 | +1.1% | 0.00% | – |
| Q4 2018 | $318,000 | -74.1% | 62,041 | -50.9% | 0.00% | – |
| Q3 2018 | $1,226,000 | +86.3% | 126,444 | +96.0% | 0.00% | – |
| Q2 2018 | $658,000 | -63.3% | 64,512 | -53.2% | 0.00% | -100.0% |
| Q1 2018 | $1,794,000 | +9.3% | 137,983 | +50.5% | 0.00% | 0.0% |
| Q4 2017 | $1,642,000 | +2.4% | 91,711 | +43.5% | 0.00% | 0.0% |
| Q3 2017 | $1,604,000 | -28.5% | 63,915 | -31.3% | 0.00% | -50.0% |
| Q2 2017 | $2,242,000 | +55.2% | 93,047 | +23.9% | 0.00% | +100.0% |
| Q1 2017 | $1,445,000 | +39.6% | 75,076 | +11.7% | 0.00% | 0.0% |
| Q4 2016 | $1,035,000 | +39.7% | 67,232 | +18.1% | 0.00% | – |
| Q3 2016 | $741,000 | +9.9% | 56,930 | +17.5% | 0.00% | -100.0% |
| Q2 2016 | $674,000 | +9.2% | 48,462 | +19.2% | 0.00% | – |
| Q1 2016 | $617,000 | -20.0% | 40,658 | 0.0% | 0.00% | -100.0% |
| Q4 2015 | $771,000 | -16.9% | 40,658 | -16.8% | 0.00% | 0.0% |
| Q3 2015 | $928,000 | -10.8% | 48,855 | +21.1% | 0.00% | 0.0% |
| Q2 2015 | $1,040,000 | – | 40,355 | – | 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% |