PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 118 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 1.85 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $85,000 | -49.7% | 12,406 | -60.2% | 0.00% | -100.0% |
| Q3 2020 | $169,000 | -74.4% | 31,187 | -75.3% | 0.00% | -81.8% |
| Q2 2020 | $660,000 | +540.8% | 126,349 | +395.3% | 0.01% | +1000.0% |
| Q4 2019 | $103,000 | +3.0% | 25,511 | +146.6% | 0.00% | 0.0% |
| Q3 2018 | $100,000 | -50.7% | 10,347 | -33.7% | 0.00% | -66.7% |
| Q1 2018 | $203,000 | -62.3% | 15,600 | -48.2% | 0.00% | -66.7% |
| Q4 2017 | $539,000 | +96.7% | 30,122 | +69.1% | 0.01% | -18.2% |
| Q4 2016 | $274,000 | -12.2% | 17,813 | -20.5% | 0.01% | -42.1% |
| Q2 2016 | $312,000 | – | 22,400 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AIGH Capital Management LLC | 1,609,398 | $7,821,000 | 1.64% |
| Telemetry Investments, L.L.C. | 242,514 | $1,179,000 | 1.59% |
| Omega Fund Management, LLC | 2,606,809 | $12,669,000 | 1.42% |
| Bruce & Co., Inc. | 1,343,312 | $6,528,000 | 1.39% |
| 1492 Capital Management LLC | 488,309 | $2,373,000 | 1.20% |
| Abingworth LLP | 1,041,131 | $5,060,000 | 1.15% |
| Trellus Management Company, LLC | 295,000 | $1,434,000 | 1.04% |
| Worth Venture Partners, LLC | 389,440 | $1,893,000 | 0.85% |
| CM Management, LLC | 200,000 | $972,000 | 0.72% |
| GENERAL AMERICAN INVESTORS CO INC | 1,112,658 | $5,408,000 | 0.46% |