PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 104 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $43,000 | -46.2% | 14,375 | -19.1% | 0.00% | – |
| Q4 2021 | $80,000 | 0.0% | 17,758 | +7.5% | 0.00% | – |
| Q3 2021 | $80,000 | -42.4% | 16,524 | -18.6% | 0.00% | – |
| Q2 2021 | $139,000 | +9.4% | 20,308 | +13.0% | 0.00% | – |
| Q1 2021 | $127,000 | +21.0% | 17,971 | +7.6% | 0.00% | – |
| Q4 2020 | $105,000 | +94.4% | 16,707 | +34.1% | 0.00% | – |
| Q3 2019 | $54,000 | +5.9% | 12,454 | -3.2% | 0.00% | – |
| Q2 2019 | $51,000 | -33.8% | 12,870 | -10.7% | 0.00% | – |
| Q1 2019 | $77,000 | +5.5% | 14,417 | +1.4% | 0.00% | -100.0% |
| Q4 2018 | $73,000 | -55.2% | 14,212 | -15.4% | 0.00% | 0.0% |
| Q3 2018 | $163,000 | -8.4% | 16,791 | -3.6% | 0.00% | 0.0% |
| Q2 2018 | $178,000 | -23.3% | 17,424 | -2.4% | 0.00% | -50.0% |
| Q1 2018 | $232,000 | -30.3% | 17,857 | -3.9% | 0.00% | 0.0% |
| Q4 2017 | $333,000 | -23.3% | 18,589 | +7.6% | 0.00% | -50.0% |
| Q3 2017 | $434,000 | +11.3% | 17,274 | +6.7% | 0.00% | 0.0% |
| Q2 2017 | $390,000 | +42.9% | 16,191 | +14.1% | 0.00% | +33.3% |
| Q1 2017 | $273,000 | -1.1% | 14,186 | -20.7% | 0.00% | 0.0% |
| Q4 2016 | $276,000 | – | 17,891 | – | 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% |