PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 107 filers reported holding PARATEK PHARMACEUTICALS INC in Q3 2021. The put-call ratio across all filers is 2.11 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,591,000 | +42.3% | 535,836 | +115.1% | 0.01% | +57.1% |
| Q4 2021 | $1,118,000 | +1315.2% | 249,069 | +1438.9% | 0.01% | +600.0% |
| Q3 2021 | $79,000 | -82.3% | 16,185 | -74.4% | 0.00% | -66.7% |
| Q1 2021 | $446,000 | +92.2% | 63,210 | +70.9% | 0.00% | +50.0% |
| Q4 2020 | $232,000 | -53.5% | 36,990 | -24.4% | 0.00% | -75.0% |
| Q2 2018 | $499,000 | -10.4% | 48,900 | +14.2% | 0.01% | -11.1% |
| Q1 2018 | $557,000 | +144.3% | 42,830 | +236.4% | 0.01% | +125.0% |
| Q4 2017 | $228,000 | – | 12,730 | – | 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% |