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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 2023

Institutional positions in Paratek Pharmaceuticals, Inc. as of Jun 30, 2023. 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

PRTK is no longer listed, so this page shows Q2 2023. 13F filings for later quarters list far fewer holders.

Institutional holders
66
+4 vs. Q1 2023
Shares held
21.2M
−2.04M (−8.8%) vs. Q1 2023
Total value
$47.0M
−$12.0M (−20.3%) vs. Q1 2023
New holders
21
12 more added
Sold out
17
19 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 66 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 2023: $47.0M
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 2023

Shares, value and share of portfolio for each institution holding Paratek Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding PRTK in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Simplex Trading, LLC22$00.00%+22New
Harbour Investments, Inc.2$40.00%00.0%Unchanged
Tower Research Capital LLC (TRC)100$2210.00%+100New
FMR LLC420$9280.00%−27−6.0%Reduced
Parallel Advisors, LLC750$1.66K0.00%+750New
Rhumbline Advisers1,112$2.46K0.00%+1,112New
Advisor Group Holdings, Inc.4,292$9.47K0.00%−1,000−18.9%Reduced
Royal Bank of Canada4,776$10.0K0.00%+4,276+855.2%Added
UBS Group AG8,284$18.3K0.00%−1,992−19.4%Reduced
Kingsview Wealth Management, LLC10,000$22.1K0.00%00.0%Unchanged
Baird Financial Group, Inc.10,435$23.1K0.00%−25,065−70.6%Reduced
LPL Financial LLC10,605$23.4K0.00%−41,345−79.6%Reduced
Covestor Ltd11,184$25.0K0.02%+11,184New
Perkins Capital Management Inc13,700$30.0K0.03%−32,000−70.0%Reduced
CSS LLC14,000$30.9K0.00%+14,000New
Jane Street Group, LLC14,668$32.4K0.00%−24,850−62.9%Reduced
CI Private Wealth, LLC15,550$34.4K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC16,700$37.0K0.00%−300−1.8%Reduced
Charles Schwab Investment Management Inc17,405$38.5K0.00%00.0%Unchanged
Bank of New York Mellon Corp17,893$39.5K0.00%00.0%Unchanged
Gamco Investors, Inc. Et Al18,900$41.8K0.00%+3,400+21.9%Added
Two Sigma Securities, LLC19,521$43.1K0.00%+19,521New
Wells Fargo & Company21,782$48.1K0.00%−252−1.1%Reduced
GTS Securities LLC22,000$48.6K0.00%+22,000New
Teton Advisors, Inc.25,000$55.3K0.02%−8,700−25.8%Reduced
National Asset Management, Inc.30,000$66.3K0.00%00.0%Unchanged
Kathmere Capital Management, LLC30,000$66.3K0.01%00.0%Unchanged
Bank of America Corp34,480$76.2K0.00%−24,438−41.5%Reduced
HighTower Advisors, LLC53,000$117.0K0.00%+20,000+60.6%Added
Deuterium Capital Management, LLC55,136$121.9K0.17%+55,136New
XTX Topco Ltd62,938$139.1K0.02%+62,938New
Alpine Global Management, LLC66,402$146.7K0.04%+66,402New
Deltec Asset Management LLC70,468$155.7K0.03%+70,468New
Water Island Capital LLC84,697$187.2K0.02%+60,197+245.7%Added
Equitec Proprietary Markets, LLC95,600$211.3K0.15%+95,600New
Yakira Capital Management, Inc.100,000$221.0K0.06%+100,000New
Morgan Stanley111,434$246.3K0.00%−205,414−64.8%Reduced
Northern Trust Corp114,434$252.9K0.00%+1,772+1.6%Added
Susquehanna International Group, LLP118,025$260.8K0.00%+42,384+56.0%Added
Trellus Management Company, LLC127,000$280.7K0.43%00.0%Unchanged
Renaissance Technologies LLC129,524$286.0K0.00%−112,600−46.5%Reduced
JPMorgan Chase & Co201,636$445.6K0.00%+198,893+7,250.9%Added
State Street Corp216,110$477.6K0.00%−9,900−4.4%Reduced
CM Management, LLC250,000$553.0K0.54%−200,000−44.4%Reduced
Fifth Lane Capital, LP261,781$578.5K0.56%+261,781New
Brown Brothers Harriman & Co287,902$636.3K0.01%00.0%Unchanged
Two Sigma Advisers, LP298,300$659.2K0.00%+25,000+9.1%Added
Gabelli & Co Investment Advisers, Inc.306,950$678.4K0.11%+306,950New
PenderFund Capital Management Ltd.233,590$684.0K0.21%+233,590New
Hunting Hill Global Capital, LLC361,226$798.3K0.48%+361,226New
Gabelli Funds LLC369,860$817.4K0.01%+335,360+972.1%Added
D. E. Shaw & Co., Inc.396,076$875.3K0.00%+42,577+12.0%Added
Two Sigma Investments, LP413,163$913.1K0.00%+396,523+2,383.0%Added
Geode Capital Management, LLC439,736$971.8K0.00%−27,059−5.8%Reduced
Polar Asset Management Partners Inc.479,504$1.06M0.02%+479,504New
Natixis491,724$1.09M0.01%+491,724New
J. Goldman & Co LP758,431$1.68M0.10%−157,070−17.2%Reduced
Newtyn Management, LLC764,274$1.69M0.40%+764,274New
BlackRock Inc.894,894$1.98M0.00%−172,117−16.1%Reduced
Carlyle Group Inc.1,041,131$2.30M0.08%00.0%Unchanged
Eversept Partners, LP1,327,857$2.93M0.31%+689,383+108.0%Added
Bruce & Co., Inc.1,556,247$3.44M0.96%00.0%Unchanged
Rock Springs Capital Management LP1,734,037$3.83M0.09%00.0%Unchanged
General American Investors Co Inc1,839,424$4.07M0.35%−75,000−3.9%Reduced
Vanguard Group Inc2,228,066$4.92M0.00%00.0%Unchanged
Highland Capital Management Fund Advisors, L.P.2,495,770$5.52M0.83%00.0%Unchanged
AIGH Capital Management LLC0$00.00%−2,674,812−100.0%Sold out
Omega Fund Management, LLC0$00.00%−1,971,241−100.0%Sold out
Worth Venture Partners, LLC0$00.00%−657,885−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−368,240−100.0%Sold out
Acadian Asset Management LLC0$00.00%−139,386−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−107,700−100.0%Sold out
Millennium Management LLC0$00.00%−71,470−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−36,773−100.0%Sold out
Group One Trading, L.P.0$00.00%−33,812−100.0%Sold out
Virtu Financial LLC0$00.00%−18,192−100.0%Sold out
Invesco Ltd.0$00.00%−16,051−100.0%Sold out
Arete Wealth Advisors, LLC0$00.00%−14,050−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−13,900−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−12,028−100.0%Sold out
Cutter & CO Brokerage, Inc.0$00.00%−10,900−100.0%Sold out
Baader Bank INC0$00.00%−11,580−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−100−100.0%Sold out
ETF Managers Group, LLC––––Not filed