PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 101 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2022. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $116,000 | +107.1% | 39,187 | +212.8% | 0.00% | 0.0% |
| Q4 2021 | $56,000 | -77.5% | 12,526 | -65.7% | 0.00% | -66.7% |
| Q2 2021 | $249,000 | +18.6% | 36,486 | +22.7% | 0.00% | 0.0% |
| Q1 2021 | $210,000 | -13.2% | 29,739 | -23.0% | 0.00% | 0.0% |
| Q4 2020 | $242,000 | -18.5% | 38,601 | -29.7% | 0.00% | -25.0% |
| Q3 2020 | $297,000 | +113.7% | 54,947 | +111.9% | 0.00% | -20.0% |
| Q1 2019 | $139,000 | +13.9% | 25,927 | +8.6% | 0.01% | -16.7% |
| Q4 2018 | $122,000 | -17.0% | 23,868 | +111.7% | 0.01% | -33.3% |
| Q1 2018 | $147,000 | +1236.4% | 11,274 | +1271.5% | 0.01% | +800.0% |
| Q3 2016 | $11,000 | -82.8% | 822 | -82.3% | 0.00% | -75.0% |
| Q2 2016 | $64,000 | – | 4,633 | – | 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% |