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 2019 | $9,000 | 0.0% | 1,688 | 0.0% | 0.00% | – |
| Q4 2018 | $9,000 | -43.8% | 1,688 | 0.0% | 0.00% | – |
| Q3 2018 | $16,000 | -5.9% | 1,688 | 0.0% | 0.00% | – |
| Q2 2018 | $17,000 | -22.7% | 1,688 | 0.0% | 0.00% | – |
| Q1 2018 | $22,000 | -26.7% | 1,688 | 0.0% | 0.00% | – |
| Q4 2017 | $30,000 | +76.5% | 1,688 | +149.3% | 0.00% | – |
| Q3 2017 | $17,000 | +6.2% | 677 | 0.0% | 0.00% | – |
| Q2 2017 | $16,000 | +23.1% | 677 | 0.0% | 0.00% | – |
| Q1 2017 | $13,000 | +30.0% | 677 | 0.0% | 0.00% | – |
| Q4 2016 | $10,000 | -76.2% | 677 | -78.9% | 0.00% | – |
| Q3 2016 | $42,000 | – | 3,207 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Omega Fund Management, LLC | 2,600,410 | $16,279,000 | 2.44% |
| Abingworth LLP | 1,041,131 | $6,517,000 | 2.23% |
| Telemetry Investments, L.L.C. | 194,789 | $1,219,000 | 2.06% |
| AIGH Capital Management LLC | 749,608 | $4,692,000 | 1.91% |
| Trellus Management Company, LLC | 340,000 | $2,128,000 | 1.76% |
| Bruce & Co., Inc. | 929,312 | $5,817,000 | 1.12% |
| Worth Venture Partners, LLC | 191,093 | $1,196,000 | 0.95% |
| GENERAL AMERICAN INVESTORS CO INC | 1,000,751 | $6,265,000 | 0.62% |
| Weil Company, Inc. | 104,907 | $657,000 | 0.39% |
| NEXPOINT ASSET MANAGEMENT, L.P. | 140,020 | $877,000 | 0.29% |