PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 114 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 2.75 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $72,000 | -23.4% | 7,379 | -20.0% | 0.00% | – |
| Q2 2018 | $94,000 | -42.0% | 9,220 | -26.2% | 0.00% | – |
| Q1 2018 | $162,000 | -69.1% | 12,499 | -57.2% | 0.00% | – |
| Q4 2017 | $524,000 | -9.5% | 29,232 | +26.7% | 0.00% | -100.0% |
| Q3 2017 | $579,000 | +28850.0% | 23,063 | +22963.0% | 0.00% | – |
| Q2 2017 | $2,000 | -99.9% | 100 | -99.9% | 0.00% | -100.0% |
| Q1 2017 | $1,803,000 | – | 93,656 | – | 0.00% | – |
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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% |