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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, Q2 2021

Institutional positions in Paratek Pharmaceuticals, Inc. as of Jun 30, 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
116
+9 vs. Q1 2021
Shares held
24.4M
+423.2K (+1.8%) vs. Q1 2021
Total value
$166.5M
−$2.89M (−1.7%) vs. Q1 2021
New holders
24
36 more added
Sold out
15
33 more reduced

Compare with Q1 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 holdersQ2 2021: 116 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 heldQ2 2021: $166.5M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Paratek Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding PRTK in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Charles Schwab Investment Management Inc302,670$2.06M0.00%+28,130+10.2%Added
Renaissance Technologies LLC428,424$2.92M0.00%−175,396−29.0%Reduced
Fortress Investment Group LLC433,804$2.96M0.12%00.0%Unchanged
Northern Trust Corp481,062$3.28M0.00%−5,228−1.1%Reduced
Two Sigma Advisers, LP522,000$3.56M0.01%+1,300+0.2%Added
Geode Capital Management, LLC724,407$4.94M0.00%+29,392+4.2%Added
State Street Corp749,601$5.11M0.00%+59,720+8.7%Added
Granahan Investment Management Inc834,260$5.69M0.11%−23,318−2.7%Reduced
AIGH Capital Management LLC922,779$6.29M1.71%+173,171+23.1%Added
Abingworth LLP1,041,131$7.09M2.19%00.0%Unchanged
General American Investors Co Inc1,041,197$7.10M0.59%+54,602+5.5%Added
Bruce & Co., Inc.1,163,312$7.93M1.52%00.0%Unchanged
Rock Springs Capital Management LP1,654,714$11.3M0.22%−30,000−1.8%Reduced
Vanguard Group Inc2,150,521$14.7M0.00%−44,144−2.0%Reduced
Omega Fund Management, LLC2,600,410$17.7M2.01%00.0%Unchanged
BlackRock Inc.2,897,320$19.8M0.00%−581,120−16.7%Reduced
California Public Employees Retirement System0$00.00%−88,700−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−63,210−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−42,024−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−28,530−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−16,000−100.0%Sold out
XTX Topco Ltd0$00.00%−15,425−100.0%Sold out
Acadian Asset Management LLC0$00.00%−15,001−100.0%Sold out
Gamco Investors, Inc. Et Al0$00.00%−13,000−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−12,212−100.0%Sold out
Virtu Financial LLC0$00.00%−10,194−100.0%Sold out
MetLife Investment Management0$00.00%−4,634−100.0%Sold out
Bank of Montreal0$00.00%−2,692−100.0%Sold out
WealthShield Partners, LLC0$00.00%−2,500−100.0%Sold out
Federated Hermes, Inc.0$00.00%−319−100.0%Sold out
Sowell Financial Services LLC0$00.00%−100−100.0%Sold out