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 | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $4,000 | -50.0% | 756 | -61.5% | 0.00% | – |
| Q4 2019 | $8,000 | -27.3% | 1,965 | -19.5% | 0.00% | – |
| Q3 2019 | $11,000 | +10.0% | 2,440 | -2.3% | 0.00% | – |
| Q2 2019 | $10,000 | -28.6% | 2,497 | -3.6% | 0.00% | -100.0% |
| Q1 2019 | $14,000 | 0.0% | 2,590 | -2.5% | 0.00% | 0.0% |
| Q4 2018 | $14,000 | +133.3% | 2,657 | +355.0% | 0.00% | – |
| Q3 2018 | $6,000 | -71.4% | 584 | -71.6% | 0.00% | -100.0% |
| Q2 2018 | $21,000 | -30.0% | 2,058 | -11.3% | 0.00% | -50.0% |
| Q1 2018 | $30,000 | -92.0% | 2,320 | -89.0% | 0.00% | -93.3% |
| Q4 2017 | $377,000 | -27.1% | 21,048 | +2.1% | 0.03% | -36.2% |
| Q3 2017 | $517,000 | +4.4% | 20,606 | +0.3% | 0.05% | 0.0% |
| Q2 2017 | $495,000 | -25.1% | 20,537 | -40.2% | 0.05% | -25.4% |
| Q1 2017 | $661,000 | +127.9% | 34,325 | +82.2% | 0.06% | +80.0% |
| Q4 2016 | $290,000 | – | 18,839 | – | 0.04% | – |
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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% |