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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $197,000 | -64.3% | 43,773 | -61.5% | 0.00% | -100.0% |
| Q3 2021 | $552,000 | -42.7% | 113,572 | -19.6% | 0.00% | 0.0% |
| Q2 2021 | $963,000 | -16.7% | 141,216 | -13.8% | 0.00% | -50.0% |
| Q1 2021 | $1,156,000 | -6.7% | 163,793 | -17.2% | 0.00% | 0.0% |
| Q4 2020 | $1,239,000 | +6.4% | 197,886 | -8.1% | 0.00% | 0.0% |
| Q3 2020 | $1,164,000 | +2.2% | 215,220 | -1.3% | 0.00% | -33.3% |
| Q2 2020 | $1,139,000 | +30.6% | 218,123 | -21.3% | 0.00% | +50.0% |
| Q1 2020 | $872,000 | -0.2% | 277,073 | +27.6% | 0.00% | 0.0% |
| Q4 2019 | $874,000 | +37.2% | 217,164 | +46.2% | 0.00% | 0.0% |
| Q3 2019 | $637,000 | -17.7% | 148,520 | -23.3% | 0.00% | 0.0% |
| Q2 2019 | $774,000 | +33.9% | 193,722 | +78.8% | 0.00% | 0.0% |
| Q1 2019 | $578,000 | +542.2% | 108,350 | +519.1% | 0.00% | – |
| Q4 2018 | $90,000 | – | 17,500 | – | 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% |