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 2019 | $267,000 | +11.2% | 49,800 | +6.6% | 0.00% | – |
| Q4 2018 | $240,000 | -47.0% | 46,700 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $453,000 | -4.8% | 46,700 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $476,000 | -21.6% | 46,700 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $607,000 | -1.8% | 46,700 | +35.4% | 0.00% | 0.0% |
| Q4 2017 | $618,000 | -28.6% | 34,500 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $866,000 | +19.4% | 34,500 | +14.6% | 0.00% | 0.0% |
| Q2 2017 | $725,000 | +44.7% | 30,100 | +15.8% | 0.00% | 0.0% |
| Q1 2017 | $501,000 | +25.2% | 26,000 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $400,000 | +47.1% | 26,000 | +24.4% | 0.00% | – |
| Q3 2016 | $272,000 | -6.5% | 20,900 | 0.0% | 0.00% | – |
| Q2 2016 | $291,000 | +29.9% | 20,900 | +35.7% | 0.00% | – |
| Q1 2016 | $224,000 | -1.8% | 15,400 | +28.3% | 0.00% | -100.0% |
| Q4 2015 | $228,000 | – | 12,000 | – | 0.00% | – |
Download | ||||||
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% |