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 | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $99,000 | -32.2% | 20,379 | -5.0% | 0.04% | -26.7% |
| Q2 2021 | $146,000 | -64.6% | 21,447 | -49.6% | 0.06% | +39.5% |
| Q3 2018 | $413,000 | -45.1% | 42,584 | -42.3% | 0.04% | -93.5% |
| Q2 2018 | $752,000 | +35.3% | 73,770 | +72.6% | 0.66% | +38.0% |
| Q1 2018 | $556,000 | +58.9% | 42,733 | +118.2% | 0.48% | +9.8% |
| Q4 2017 | $350,000 | -5.4% | 19,580 | +33.0% | 0.44% | +778.0% |
| Q3 2017 | $370,000 | +14.9% | 14,726 | +10.1% | 0.05% | +4.2% |
| Q2 2017 | $322,000 | -17.2% | 13,379 | -33.8% | 0.05% | -30.4% |
| Q1 2017 | $389,000 | +38.4% | 20,209 | +10.6% | 0.07% | -17.9% |
| Q4 2016 | $281,000 | +24.3% | 18,271 | +22.8% | 0.08% | -73.0% |
| Q1 2016 | $226,000 | -24.7% | 14,884 | -5.9% | 0.31% | -62.2% |
| Q4 2015 | $300,000 | – | 15,819 | – | 0.82% | – |
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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% |