PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 105 filers reported holding PARATEK PHARMACEUTICALS INC in Q3 2020. The put-call ratio across all filers is 0.19 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $18,000 | -64.7% | 2,692 | -67.2% | 0.00% | – |
| Q4 2020 | $51,000 | +168.4% | 8,215 | +134.8% | 0.00% | – |
| Q3 2020 | $19,000 | -24.0% | 3,498 | -25.5% | 0.00% | – |
| Q2 2020 | $25,000 | +212.5% | 4,697 | +72.9% | 0.00% | – |
| Q1 2020 | $8,000 | -71.4% | 2,716 | -61.0% | 0.00% | – |
| Q4 2019 | $28,000 | -22.2% | 6,973 | -16.8% | 0.00% | – |
| Q3 2019 | $36,000 | +16.1% | 8,381 | +7.2% | 0.00% | – |
| Q2 2019 | $31,000 | +342.9% | 7,816 | +503.1% | 0.00% | – |
| Q1 2019 | $7,000 | -12.5% | 1,296 | -14.9% | 0.00% | – |
| Q4 2018 | $8,000 | +166.7% | 1,523 | +326.6% | 0.00% | – |
| Q3 2018 | $3,000 | +50.0% | 357 | +59.4% | 0.00% | – |
| Q2 2018 | $2,000 | -98.5% | 224 | -97.9% | 0.00% | – |
| Q1 2018 | $136,000 | +13500.0% | 10,424 | +15936.9% | 0.00% | – |
| Q4 2017 | $1,000 | -50.0% | 65 | 0.0% | 0.00% | – |
| Q3 2017 | $2,000 | 0.0% | 65 | 0.0% | 0.00% | – |
| Q2 2017 | $2,000 | +100.0% | 65 | 0.0% | 0.00% | – |
| Q1 2017 | $1,000 | – | 65 | – | 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% |