PARATEK PHARMACEUTICALS INC (PRTK)
Institutional ownership reported to the SEC as of Q3 2023, across 20 quarters.
1
Reporting holders
$1
Reported value
100.0%
Held as options
-61
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| SIMPLEX TRADING, LLC | $1 | options only | 0.00% | 6q | OPTIONS |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2023 | 1 | $1 | 0 | 0 | 0 | 0 | 100.0% |
| Q2 2023 | 62 | $45.9M | 20,621,610 | 17 | 12 | 15 | 0.8% |
| Q1 2023 | 57 | $56.6M | 22,269,994 | 7 | 18 | 18 | 0.2% |
| Q4 2022 | 64 | $37.7M | 20,148,542 | 11 | 14 | 23 | 0.1% |
| Q3 2022 | 70 | $60.4M | 23,272,352 | 5 | 23 | 18 | 0.9% |
| Q2 2022 | 82 | $44.7M | 22,757,850 | 13 | 20 | 31 | 0.6% |
| Q1 2022 | 97 | $82.3M | 27,635,460 | 11 | 34 | 31 | 0.2% |
| Q4 2021 | 99 | $116.5M | 25,658,206 | 7 | 35 | 34 | 1.2% |
| Q3 2021 | 102 | $118.5M | 23,955,983 | 8 | 36 | 32 | 1.7% |
| Q2 2021 | 116 | $169.6M | 24,415,157 | 23 | 34 | 33 | 1.8% |
| Q1 2021 | 110 | $171.6M | 23,991,881 | 7 | 23 | 41 | 1.3% |
| Q4 2020 | 110 | $153.4M | 23,689,693 | 20 | 32 | 28 | 3.3% |
| Q3 2020 | 102 | $123.7M | 22,376,608 | 18 | 33 | 30 | 2.1% |
| Q2 2020 | 97 | $113.0M | 21,229,645 | 24 | 34 | 25 | 1.9% |
| Q1 2020 | 82 | $59.9M | 18,695,519 | 8 | 26 | 30 | 1.8% |
| Q4 2019 | 91 | $94.9M | 23,362,120 | 14 | 37 | 23 | 0.8% |
| Q3 2019 | 90 | $99.3M | 22,798,690 | 19 | 30 | 22 | 0.8% |
| Q2 2019 | 86 | $99.8M | 25,037,204 | 11 | 24 | 29 | 0.0% |
| Q1 2019 | 95 | $149.7M | 27,763,814 | 6 | 32 | 29 | 0.6% |
| Q4 2018 | 103 | $126.5M | 24,388,723 | 3 | 1 | 1 | 1.1% |