PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 113 filers reported holding PARATEK PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 1.93 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $766,000 | -27.1% | 103,500 | 0.0% | 0.36% | -9.9% |
| Q2 2018 | $1,051,000 | -21.9% | 103,500 | 0.0% | 0.40% | -23.0% |
| Q1 2018 | $1,346,000 | -70.3% | 103,500 | -59.2% | 0.52% | -67.2% |
| Q4 2017 | $4,538,000 | -10.5% | 253,500 | +25.5% | 1.60% | -18.9% |
| Q3 2017 | $5,070,000 | +263.4% | 202,000 | +248.3% | 1.97% | +272.5% |
| Q2 2017 | $1,395,000 | – | 58,000 | – | 0.53% | – |
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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% |