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Paratek Pharmaceuticals, Inc.

PRTKDelisted Sep 21, 2023
Industry
Pharmaceutical Preparations
SEC CIK
0001178711

Paratek Pharmaceuticals, Inc. was delisted on Sep 21, 2023; its insiders filed their last Form 4 on Sep 21, 2023; 66 institutions reported holding it in 13F filings for Q2 2023, worth $47.0M in total; no superinvestor held it.

13F holders, Q1 2021

Institutional positions in Paratek Pharmaceuticals, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
107
No complete 13F data for Q4 2020
Shares held
24.0M
No complete 13F data for Q4 2020
Total value
$169.4M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting PRTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 107 institutions
Q1 2021: 107 institutionsQ2 2021: 116 institutionsQ3 2021: 105 institutionsQ4 2021: 103 institutionsQ1 2022: 100 institutionsQ2 2022: 84 institutionsQ3 2022: 72 institutionsQ4 2022: 76 institutionsQ1 2023: 63 institutionsQ2 2023: 66 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2021: $169.4M
Q1 2021: $169.4MQ2 2021: $166.5MQ3 2021: $116.5MQ4 2021: $114.1MQ1 2022: $82.1MQ2 2022: $44.4MQ3 2022: $59.8MQ4 2022: $42.6MQ1 2023: $59.1MQ2 2023: $47.0MQ3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding PRTK and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 202366$47.0M
Q1 202363$59.1M
Q4 202276$42.6M
Q3 202272$59.8M
Q2 202284$44.4M
Q1 2022100$82.1M
Q4 2021103$114.1M
Q3 2021105$116.5M
Q2 2021116$166.5M
Q1 2021107$169.4M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Paratek Pharmaceuticals, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding PRTK in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
General American Investors Co Inc986,595$6.96M0.65%––
Abingworth LLP1,041,131$7.33M2.53%––
Bruce & Co., Inc.1,163,312$8.21M1.54%––
Rock Springs Capital Management LP1,684,714$11.9M0.26%––
Vanguard Group Inc2,194,665$15.5M0.00%––
Omega Fund Management, LLC2,600,410$18.4M1.74%––
BlackRock Inc.3,478,440$24.6M0.00%––