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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, Q4 2021

Institutional positions in Paratek Pharmaceuticals, Inc. as of Dec 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
103
−1 vs. Q3 2021
Shares held
25.4M
+1.47M (+6.2%) vs. Q3 2021
Total value
$114.1M
−$2.35M (−2.0%) vs. Q3 2021
New holders
10
37 more added
Sold out
11
37 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

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 holdersQ4 2021: 103 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 heldQ4 2021: $114.1M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Paratek Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding PRTK in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc2,161,773$9.71M0.00%−450.0%Reduced
AIGH Capital Management LLC2,339,107$10.5M3.29%+729,709+45.3%Added
BlackRock Inc.2,977,680$13.4M0.00%+60,540+2.1%Added
Marshall Wace, LLP0$00.00%−111,547−100.0%Sold out
Jane Street Group, LLC0$00.00%−24,392−100.0%Sold out
Millennium Management LLC0$00.00%−22,313−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−20,379−100.0%Sold out
HighVista Strategies LLC0$00.00%−19,182−100.0%Sold out
Summit Global Investments0$00.00%−18,600−100.0%Sold out
Kalos Management, Inc.0$00.00%−15,550−100.0%Sold out
Essex Financial Services, Inc.0$00.00%−13,800−100.0%Sold out
Jaffetilchin Investment Partners, LLC0$00.00%−12,675−100.0%Sold out
Toth Financial Advisory Corp0$00.00%−3,000−100.0%Sold out
Penserra Capital Management LLC0$00.00%−1,110−100.0%Sold out
HighPoint Advisor Group LLC––––Not filed