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 2021 | $86,217 | -5.0% | 12,212 | -15.7% | 0.00% | 0.0% |
| Q4 2020 | $90,720 | +15.2% | 14,492 | -0.4% | 0.00% | 0.0% |
| Q3 2020 | $78,748 | +1.7% | 14,556 | -1.8% | 0.00% | 0.0% |
| Q2 2020 | $77,402 | -45.9% | 14,828 | +0.5% | 0.00% | -66.7% |
| Q3 2018 | $143,172 | -99.9% | 14,760 | 0.0% | 0.00% | +50.0% |
| Q2 2018 | $150,552,000 | +42.4% | 14,760 | +81.4% | 0.00% | +100.0% |
| Q1 2018 | $105,755,000 | +72334.9% | 8,135 | 0.0% | 0.00% | -50.0% |
| Q4 2017 | $146,000 | -62.1% | 8,135 | -46.9% | 0.00% | 0.0% |
| Q3 2017 | $385,000 | +4.3% | 15,329 | 0.0% | 0.00% | -33.3% |
| Q2 2017 | $369,000 | +79.1% | 15,329 | +43.2% | 0.00% | +200.0% |
| Q1 2017 | $206,000 | +24.8% | 10,705 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $165,000 | +9.3% | 10,705 | -8.0% | 0.00% | 0.0% |
| Q3 2016 | $151,000 | +2.0% | 11,641 | +9.7% | 0.00% | 0.0% |
| Q2 2016 | $148,000 | +5.7% | 10,613 | +15.3% | 0.00% | 0.0% |
| Q1 2016 | $140,000 | -20.0% | 9,202 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $175,000 | 0.0% | 9,202 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $175,000 | -26.2% | 9,202 | 0.0% | 0.00% | -50.0% |
| Q2 2015 | $237,000 | – | 9,202 | – | 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% |