PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 104 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.99 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $116,000 | +107.1% | 39,187 | +212.8% | 0.00% | 0.0% |
| Q4 2021 | $56,000 | -77.5% | 12,526 | -65.7% | 0.00% | -66.7% |
| Q2 2021 | $249,000 | +18.6% | 36,486 | +22.7% | 0.00% | 0.0% |
| Q1 2021 | $210,000 | -13.2% | 29,739 | -23.0% | 0.00% | 0.0% |
| Q4 2020 | $242,000 | -18.5% | 38,601 | -29.7% | 0.00% | -25.0% |
| Q3 2020 | $297,000 | +113.7% | 54,947 | +111.9% | 0.00% | -20.0% |
| Q1 2019 | $139,000 | +13.9% | 25,927 | +8.6% | 0.01% | -16.7% |
| Q4 2018 | $122,000 | -17.0% | 23,868 | +111.7% | 0.01% | -33.3% |
| Q1 2018 | $147,000 | +1236.4% | 11,274 | +1271.5% | 0.01% | +800.0% |
| Q3 2016 | $11,000 | -82.8% | 822 | -82.3% | 0.00% | -75.0% |
| Q2 2016 | $64,000 | – | 4,633 | – | 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% |