PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 118 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 1.85 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $201,000 | +16.2% | 40,198 | +64.3% | 0.00% | – |
| Q1 2021 | $173,000 | -78.1% | 24,460 | -80.6% | 0.00% | -100.0% |
| Q4 2020 | $790,000 | -0.8% | 126,208 | -21.0% | 0.00% | 0.0% |
| Q3 2020 | $796,000 | +325.7% | 159,762 | +345.0% | 0.00% | – |
| Q2 2020 | $187,000 | +61.2% | 35,898 | -2.8% | 0.00% | – |
| Q1 2020 | $116,000 | -38.0% | 36,948 | -20.3% | 0.00% | – |
| Q4 2019 | $187,000 | -25.8% | 46,348 | -20.5% | 0.00% | – |
| Q3 2019 | $252,000 | -25.0% | 58,323 | -30.7% | 0.00% | – |
| Q2 2019 | $336,000 | -30.3% | 84,123 | -6.4% | 0.00% | -100.0% |
| Q1 2019 | $482,000 | -4.6% | 89,865 | -8.8% | 0.00% | 0.0% |
| Q4 2018 | $505,000 | -47.2% | 98,528 | -0.1% | 0.00% | 0.0% |
| Q3 2018 | $957,000 | +6.0% | 98,675 | +11.4% | 0.00% | -50.0% |
| Q2 2018 | $903,000 | -21.5% | 88,573 | +0.1% | 0.00% | 0.0% |
| Q1 2018 | $1,150,000 | +166.2% | 88,494 | +266.3% | 0.00% | +100.0% |
| Q4 2017 | $432,000 | +49.5% | 24,157 | +109.6% | 0.00% | 0.0% |
| Q3 2017 | $289,000 | – | 11,525 | – | 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% |