PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 134 filers reported holding PARATEK PHARMACEUTICALS INC in Q3 2017. The put-call ratio across all filers is 0.37 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $190,000 | +8.0% | 44,000 | 0.0% | 0.00% | -20.0% |
| Q2 2019 | $176,000 | -25.4% | 44,000 | 0.0% | 0.01% | -16.7% |
| Q1 2019 | $236,000 | +4.4% | 44,000 | -0.1% | 0.01% | -33.3% |
| Q4 2018 | $226,000 | -47.1% | 44,023 | 0.0% | 0.01% | -18.2% |
| Q3 2018 | $427,000 | -4.5% | 44,023 | +0.4% | 0.01% | 0.0% |
| Q2 2018 | $447,000 | -14.0% | 43,830 | +9.6% | 0.01% | -31.2% |
| Q1 2018 | $520,000 | -17.1% | 40,000 | +14.3% | 0.02% | 0.0% |
| Q4 2017 | $627,000 | -28.7% | 35,000 | 0.0% | 0.02% | -51.5% |
| Q3 2017 | $879,000 | +82.4% | 35,000 | +75.0% | 0.03% | +65.0% |
| Q2 2017 | $482,000 | +149.7% | 20,000 | +100.0% | 0.02% | +150.0% |
| Q1 2017 | $193,000 | +25.3% | 10,000 | 0.0% | 0.01% | +14.3% |
| Q4 2016 | $154,000 | +1.3% | 10,000 | 0.0% | 0.01% | 0.0% |
| Q1 2016 | $152,000 | -20.0% | 10,000 | 0.0% | 0.01% | -46.2% |
| Q4 2015 | $190,000 | -33.3% | 10,000 | -33.3% | 0.01% | 0.0% |
| Q3 2015 | $285,000 | – | 15,000 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AIGH Capital Management LLC | 2,339,107 | $10,502,000 | 3.20% |
| Telemetry Investments, L.L.C. | 262,279 | $1,178,000 | 1.52% |
| Bruce & Co., Inc. | 1,443,312 | $6,480,000 | 1.30% |
| Omega Fund Management, LLC | 1,971,241 | $8,851,000 | 1.25% |
| Worth Venture Partners, LLC | 556,832 | $2,500,000 | 1.24% |
| Abingworth LLP | 1,041,131 | $4,654,000 | 1.13% |
| 1492 Capital Management LLC | 491,033 | $2,205,000 | 1.09% |
| CM Management, LLC | 300,000 | $1,347,000 | 1.02% |
| Trellus Management Company, LLC | 295,000 | $1,325,000 | 0.88% |
| GENERAL AMERICAN INVESTORS CO INC | 1,306,919 | $5,868,000 | 0.46% |