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 | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $121,000 | -65.2% | 30,340 | -55.3% | 0.01% | -68.2% |
| Q4 2018 | $348,000 | -63.4% | 67,918 | -7.1% | 0.02% | -42.1% |
| Q1 2018 | $950,000 | +220.9% | 73,137 | +342.3% | 0.04% | +192.3% |
| Q4 2017 | $296,000 | -18.7% | 16,537 | +13.8% | 0.01% | -31.6% |
| Q3 2017 | $364,000 | +19.3% | 14,537 | +22.4% | 0.02% | +90.0% |
| Q2 2015 | $305,000 | +52.5% | 11,872 | +128.7% | 0.01% | +42.9% |
| Q4 2014 | $200,000 | – | 5,191 | – | 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% |