PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 118 filers reported holding PARATEK PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is 1.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $11,000 | -31.2% | 3,554 | 0.0% | 0.00% | -100.0% |
| Q4 2021 | $16,000 | -5.9% | 3,554 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $17,000 | -29.2% | 3,554 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $24,000 | -4.0% | 3,554 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $25,000 | +13.6% | 3,554 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $22,000 | +15.8% | 3,554 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $19,000 | +72.7% | 3,554 | +71.8% | 0.00% | 0.0% |
| Q2 2020 | $11,000 | +57.1% | 2,069 | 0.0% | 0.00% | – |
| Q1 2020 | $7,000 | -12.5% | 2,069 | 0.0% | 0.00% | – |
| Q4 2019 | $8,000 | -11.1% | 2,069 | 0.0% | 0.00% | – |
| Q3 2019 | $9,000 | +12.5% | 2,069 | 0.0% | 0.00% | – |
| Q2 2019 | $8,000 | -27.3% | 2,069 | 0.0% | 0.00% | -100.0% |
| Q1 2019 | $11,000 | 0.0% | 2,069 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $11,000 | -45.0% | 2,069 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $20,000 | -4.8% | 2,069 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $21,000 | -22.2% | 2,069 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $27,000 | -27.0% | 2,069 | 0.0% | 0.00% | -50.0% |
| Q4 2017 | $37,000 | -36.2% | 2,069 | 0.0% | 0.00% | -33.3% |
| Q3 2017 | $58,000 | +16.0% | 2,069 | 0.0% | 0.00% | +50.0% |
| Q2 2017 | $50,000 | +66.7% | 2,069 | +30.8% | 0.00% | +100.0% |
| Q1 2017 | $30,000 | – | 1,582 | – | 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% |