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 | $72,000 | -38.5% | 24,316 | -6.6% | 0.00% | -100.0% |
| Q4 2021 | $117,000 | -7.9% | 26,028 | -0.1% | 0.00% | 0.0% |
| Q3 2021 | $127,000 | -27.4% | 26,061 | +1.6% | 0.00% | 0.0% |
| Q2 2021 | $175,000 | -2.2% | 25,654 | +0.9% | 0.00% | 0.0% |
| Q1 2021 | $179,000 | +12.6% | 25,419 | +0.3% | 0.00% | 0.0% |
| Q4 2020 | $159,000 | +12.8% | 25,352 | -2.8% | 0.00% | 0.0% |
| Q3 2020 | $141,000 | +8.5% | 26,080 | +4.6% | 0.00% | 0.0% |
| Q2 2020 | $130,000 | +113.1% | 24,940 | +28.2% | 0.00% | – |
| Q1 2020 | $61,000 | -26.5% | 19,457 | -5.5% | 0.00% | – |
| Q4 2019 | $83,000 | -4.6% | 20,582 | +1.8% | 0.00% | – |
| Q3 2019 | $87,000 | +7.4% | 20,212 | -0.7% | 0.00% | – |
| Q2 2019 | $81,000 | -26.4% | 20,353 | -0.8% | 0.00% | – |
| Q1 2019 | $110,000 | +3.8% | 20,521 | -1.0% | 0.00% | – |
| Q4 2018 | $106,000 | -47.8% | 20,734 | -0.8% | 0.00% | -100.0% |
| Q3 2018 | $203,000 | -2.9% | 20,894 | +1.8% | 0.00% | 0.0% |
| Q2 2018 | $209,000 | -5.9% | 20,517 | +20.3% | 0.00% | 0.0% |
| Q1 2018 | $222,000 | -22.6% | 17,048 | +6.3% | 0.00% | 0.0% |
| Q4 2017 | $287,000 | -27.7% | 16,038 | +1.5% | 0.00% | 0.0% |
| Q3 2017 | $397,000 | +12.8% | 15,804 | +8.1% | 0.00% | 0.0% |
| Q2 2017 | $352,000 | +64.5% | 14,622 | +31.6% | 0.00% | 0.0% |
| Q1 2017 | $214,000 | +67.2% | 11,111 | +34.1% | 0.00% | – |
| Q4 2016 | $128,000 | -99.9% | 8,287 | -0.3% | 0.00% | – |
| Q3 2016 | $108,100,000 | -6.3% | 8,309 | +0.1% | 0.00% | – |
| Q2 2016 | $115,411,000 | +6.9% | 8,297 | +16.2% | 0.00% | – |
| Q1 2016 | $108,000,000 | -20.0% | 7,141 | 0.0% | 0.00% | -100.0% |
| Q4 2015 | $135,000,000 | +99164.7% | 7,141 | -0.2% | 0.00% | 0.0% |
| Q3 2015 | $136,000 | -99.9% | 7,154 | +0.1% | 0.00% | 0.0% |
| Q2 2015 | $184,152,000 | – | 7,146 | – | 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% |