PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 111 filers reported holding PARATEK PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.59 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $43,000 | -46.2% | 14,375 | -19.1% | 0.00% | – |
| Q4 2021 | $80,000 | 0.0% | 17,758 | +7.5% | 0.00% | – |
| Q3 2021 | $80,000 | -42.4% | 16,524 | -18.6% | 0.00% | – |
| Q2 2021 | $139,000 | +9.4% | 20,308 | +13.0% | 0.00% | – |
| Q1 2021 | $127,000 | +21.0% | 17,971 | +7.6% | 0.00% | – |
| Q4 2020 | $105,000 | +94.4% | 16,707 | +34.1% | 0.00% | – |
| Q3 2019 | $54,000 | +5.9% | 12,454 | -3.2% | 0.00% | – |
| Q2 2019 | $51,000 | -33.8% | 12,870 | -10.7% | 0.00% | – |
| Q1 2019 | $77,000 | +5.5% | 14,417 | +1.4% | 0.00% | -100.0% |
| Q4 2018 | $73,000 | -55.2% | 14,212 | -15.4% | 0.00% | 0.0% |
| Q3 2018 | $163,000 | -8.4% | 16,791 | -3.6% | 0.00% | 0.0% |
| Q2 2018 | $178,000 | -23.3% | 17,424 | -2.4% | 0.00% | -50.0% |
| Q1 2018 | $232,000 | -30.3% | 17,857 | -3.9% | 0.00% | 0.0% |
| Q4 2017 | $333,000 | -23.3% | 18,589 | +7.6% | 0.00% | -50.0% |
| Q3 2017 | $434,000 | +11.3% | 17,274 | +6.7% | 0.00% | 0.0% |
| Q2 2017 | $390,000 | +42.9% | 16,191 | +14.1% | 0.00% | +33.3% |
| Q1 2017 | $273,000 | -1.1% | 14,186 | -20.7% | 0.00% | 0.0% |
| Q4 2016 | $276,000 | – | 17,891 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AIGH Capital Management LLC | 1,609,398 | $7,821,000 | 1.64% |
| Telemetry Investments, L.L.C. | 242,514 | $1,179,000 | 1.59% |
| Omega Fund Management, LLC | 2,606,809 | $12,669,000 | 1.42% |
| Bruce & Co., Inc. | 1,343,312 | $6,528,000 | 1.39% |
| 1492 Capital Management LLC | 488,309 | $2,373,000 | 1.20% |
| Abingworth LLP | 1,041,131 | $5,060,000 | 1.15% |
| Trellus Management Company, LLC | 295,000 | $1,434,000 | 1.04% |
| Worth Venture Partners, LLC | 389,440 | $1,893,000 | 0.85% |
| CM Management, LLC | 200,000 | $972,000 | 0.72% |
| GENERAL AMERICAN INVESTORS CO INC | 1,112,658 | $5,408,000 | 0.46% |