PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 62 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $429,000 | -71.4% | 17,810 | -77.1% | 0.00% | -80.0% |
| Q1 2017 | $1,499,000 | +5.0% | 77,860 | -16.0% | 0.01% | 0.0% |
| Q4 2016 | $1,427,000 | +18.3% | 92,660 | 0.0% | 0.01% | +25.0% |
| Q3 2016 | $1,206,000 | +32.1% | 92,660 | +41.1% | 0.00% | +33.3% |
| Q2 2016 | $913,000 | +41.1% | 65,660 | +53.9% | 0.00% | +50.0% |
| Q1 2016 | $647,000 | -20.0% | 42,660 | 0.0% | 0.00% | -33.3% |
| Q4 2015 | $809,000 | -0.2% | 42,660 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $811,000 | +184.6% | 42,660 | +286.4% | 0.00% | +200.0% |
| Q2 2015 | $285,000 | – | 11,040 | – | 0.00% | – |
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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% |