Paratek Pharmaceuticals Inc (PRTK) Ownership

2.21 ↑0.00 (0.00%)
As of December 2, 2022, 11:52am EST.

Institutional Ownership

AIGH Capital Management, LLC is the biggest individual institutional holder of Paratek Pharmaceuticals Inc (PRTK), owning a total of 3.9 million shares. Combined, the top 20 institutional holders of PRTK own 34.85% of the company with a total of 19.4 million shares.

In the latest ownership report on September 30th 2022, the top 20 institutional holders increased their combined ownership of PRTK by 1.2 million shares. 7 institutions bought 1,191,990 total additional shares and increased their ownership by an average of 48.34%. However 1 institutions sold 7,400 total shares and decreased their ownership by an average of 3.43%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Paratek Pharmaceuticals increased by a net total of 1,184,590 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
AIGH Capital Management, LLC6.998%14.762%3,887,172500,0002022-09-30
Vanguard Group Inc3.915%7.671%2,174,625154,9392022-09-30
Omega Fund Management LLC3.549%0.000%1,971,24102022-09-30
General American Investors Company Inc3.449%9.337%1,916,099163,6292022-09-30
Abingworth LLP1.874%0.000%1,041,13102022-09-30
Worth Venture Partners, LLC1.746%0.000%969,69802022-09-30
1492 Capital Management, LLC0.902%2.386%501,05011,6742022-09-30
CM Management, LLC0.720%14.286%400,00050,0002022-09-30
D. E. Shaw & Co LP0.557%161.878%309,564191,3552022-09-30
Trellus Management Company, LLC0.531%0.000%295,00002022-09-30
Assenagon Asset Management SA0.386%128.061%214,405120,3932022-09-30
State Street Corporation0.375%-3.434%208,110-7,4002022-09-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
AIGH Capital Management, LLC6.998%14.762%3,887,172500,0002022-09-30
Vanguard Group Inc3.915%7.671%2,174,625154,9392022-09-30
Omega Fund Management LLC3.549%0.000%1,971,24102022-09-30
General American Investors Company Inc3.449%9.337%1,916,099163,6292022-09-30
Rock Springs Capital Management LP3.122%0.429%1,734,0377,4002022-06-30
Bruce & Co Inc2.804%0.000%1,557,31202022-06-30
Abingworth LLP1.874%0.000%1,041,13102022-09-30
Worth Venture Partners, LLC1.746%0.000%969,69802022-09-30
Millennium Management LLC0.908%218.782%504,221346,0502022-06-30
1492 Capital Management, LLC0.902%2.386%501,05011,6742022-09-30
Telemetry Investments, L.L.C.0.891%36.364%495,000132,0002022-06-30
Geode Capital Management, LLC0.786%-45.874%436,319-369,7942022-06-30
CM Management, LLC0.720%14.286%400,00050,0002022-09-30
D. E. Shaw & Co LP0.557%161.878%309,564191,3552022-09-30
Renaissance Technologies Corp0.534%71.070%296,676123,2522022-06-30
Trellus Management Company, LLC0.531%0.000%295,00002022-09-30
Brown Brothers Harriman & Co0.518%0.000%287,90202022-06-30
Assenagon Asset Management SA0.386%128.061%214,405120,3932022-09-30
State Street Corporation0.375%-3.434%208,110-7,4002022-09-30
Highbridge Capital Management, LLC0.289%-21.008%160,420-42,6632022-06-30

Mutual Fund Ownership

General American Investors is the biggest individual fund holder of Paratek Pharmaceuticals Inc (PRTK), owning a total of 1.8 million shares. Combined, the top 20 mutual fund holders of PRTK own 18.67% of the company with a total of 10.4 million shares.

In the latest ownership report on October 31st 2022, the top 20 fund holders not made any changes to their ownership of PRTK. None of the mutual funds bought any additional shares.

Overall this is a neutral sign as the number of shares owned by the top 20 mutual funds holding Paratek Pharmaceuticals stayed the same in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard Total Stock Mkt Idx Inv2.556%0.000%1,420,05202022-10-31
Vanguard Extended Market Index Investor1.215%0.000%675,04802022-10-31
iShares Core S&P Total US Stock Mkt ETF0.749%0.000%415,88302022-10-31
iShares Micro-Cap ETF0.192%0.000%106,74702022-10-31
apo Medical Opportunities Institutionell0.114%0.000%63,49602022-10-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
General American Investors3.155%34.092%1,752,470445,5512022-06-30
Bruce2.570%0.000%1,427,41202022-09-30
Vanguard Total Stock Mkt Idx Inv2.556%0.000%1,420,05202022-10-31
Vanguard Instl Ttl Stck Mkt Idx Tr2.556%6.581%1,420,05287,6802022-09-30
MEDICAL BioHealth EUR Acc1.996%0.000%1,108,80602022-07-31
Vanguard Extended Market Index Investor1.215%0.000%675,04802022-10-31
APO Medical Opportunities R1.060%0.000%588,69902022-09-30
iShares Core S&P Total US Stock Mkt ETF0.749%0.000%415,88302022-10-31
Pleiades Small Cap Equity A0.488%6.054%271,24815,4832022-09-30
Fidelity® Extended Market Index0.446%0.000%247,50202022-09-30
Kieger Impact Healthcare A USD Acc0.422%0.000%234,20002022-09-30
RIM Global Bioscience EUR0.312%0.000%173,27502022-07-31
Bridgeway Ultra-Small Company Market0.207%0.000%115,00002022-09-30
iShares Micro-Cap ETF0.192%0.000%106,74702022-10-31
BlackRock Extended Mkt Composite0.170%0.000%94,20894,2082022-06-30
BlackRock Extended Equity Market K0.150%-0.913%83,180-7662022-09-30
NexPoint Climate Tech Y0.117%0.000%64,77002022-06-30
apo Medical Opportunities Institutionell0.114%0.000%63,49602022-10-31
Fidelity® Total Market Index0.102%0.000%56,39502022-09-30
Fidelity® Series Total Market Index0.094%0.000%52,30402022-09-30

Discussions

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145zip

$PRTK cup and handle!

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kairaae

$PRTK Very bullish action

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4texin

$PRTK what V recovery or fake pump

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