PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 111 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $0 | -100.0% | 26 | -99.8% | 0.00% | – |
| Q4 2020 | $96,000 | +1.1% | 15,226 | -14.6% | 0.00% | – |
| Q1 2019 | $95,000 | +43.9% | 17,820 | +38.8% | 0.00% | – |
| Q4 2018 | $66,000 | -37.7% | 12,841 | +18.5% | 0.00% | – |
| Q3 2018 | $106,000 | -63.9% | 10,833 | -62.4% | 0.00% | – |
| Q2 2018 | $294,000 | -24.4% | 28,811 | -3.7% | 0.00% | – |
| Q1 2018 | $389,000 | -25.2% | 29,913 | +2.9% | 0.00% | – |
| Q4 2017 | $520,000 | -45.6% | 29,073 | -23.7% | 0.00% | -100.0% |
| Q3 2017 | $956,000 | +170.1% | 38,092 | +159.0% | 0.00% | – |
| Q2 2017 | $354,000 | +1.4% | 14,705 | -18.8% | 0.00% | – |
| Q1 2017 | $349,000 | +71.1% | 18,110 | +36.6% | 0.00% | – |
| Q4 2016 | $204,000 | -3.8% | 13,257 | -18.6% | 0.00% | – |
| Q3 2016 | $212,000 | +43.2% | 16,284 | +53.1% | 0.00% | – |
| Q2 2016 | $148,000 | -83.6% | 10,635 | -63.1% | 0.00% | -100.0% |
| Q1 2015 | $901,000 | +58.6% | 28,825 | +95.7% | 0.00% | 0.0% |
| Q4 2014 | $568,000 | – | 14,731 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Omega Fund Management, LLC | 2,138,872 | $40,639,000 | 22.88% |
| Abingworth LLP | 1,301,413 | $24,701,000 | 14.43% |
| Roumell Asset Management, LLC | 201,845 | $3,835,000 | 7.78% |
| GREAT POINT PARTNERS LLC | 453,878 | $8,624,000 | 3.41% |
| Aisling Capital LLC | 682,680 | $12,971,000 | 2.28% |
| Broadfin Capital, LLC | 530,283 | $10,075,000 | 0.56% |
| Tekla Capital Management LLC | 762,581 | $14,489,000 | 0.52% |
| Baupost Group | 1,544,498 | $29,345,000 | 0.49% |
| GENERAL AMERICAN INVESTORS CO INC | 277,076 | $5,264,000 | 0.47% |
| Lombard Odier Asset Management (USA) Corp | 135,710 | $2,578,000 | 0.22% |