PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 62 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $175,000 | -14.2% | 18,000 | -10.0% | 0.42% | -5.4% |
| Q2 2018 | $204,000 | -21.5% | 20,000 | 0.0% | 0.44% | -13.3% |
| Q1 2018 | $260,000 | -63.7% | 20,000 | -50.0% | 0.51% | -17.6% |
| Q4 2017 | $716,000 | -28.7% | 40,000 | 0.0% | 0.62% | -31.3% |
| Q3 2017 | $1,004,000 | +4.1% | 40,000 | 0.0% | 0.90% | +2.0% |
| Q2 2017 | $964,000 | -37.4% | 40,000 | -50.0% | 0.88% | -22.7% |
| Q1 2017 | $1,540,000 | +25.0% | 80,000 | 0.0% | 1.14% | +16.5% |
| Q4 2016 | $1,232,000 | +18.3% | 80,000 | 0.0% | 0.98% | +68.0% |
| Q3 2016 | $1,041,000 | +98.7% | 80,000 | +112.4% | 0.58% | +15.4% |
| Q2 2016 | $524,000 | -23.3% | 37,665 | -16.3% | 0.51% | -4.2% |
| Q1 2016 | $683,000 | -40.0% | 45,000 | -25.0% | 0.53% | -29.8% |
| Q4 2015 | $1,138,000 | – | 60,000 | – | 0.75% | – |
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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% |