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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD
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2.5600-0.3700 (-12.63%)
At close: 04:00PM EDT
2.5800 +0.02 (+0.78%)
Pre-market: 08:14AM EDT

Major holders

Currency in USD
Breakdown
16.47%% of shares held by all insiders
57.10%% of shares held by institutions
68.36%% of float held by institutions
136Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AIGH Capital Management LLC3,139,71430 Mar 20225.72%8,037,667
Blackrock Inc.2,940,51330 Mar 20225.36%7,527,713
Vanguard Group, Inc. (The)2,278,87830 Mar 20224.15%5,833,927
Omega Fund Management, Llc1,971,24130 Mar 20223.59%5,046,376
General American Investors Company Inc1,752,47029 Jun 20223.19%4,486,323
Rock Springs Capital Management, LP1,726,63730 Mar 20223.15%4,420,190
Bruce & Co, Inc.1,557,31229 Jun 20222.84%3,986,718
J. Goldman & Co., L.P.1,056,63130 Mar 20221.93%2,704,975
Abingworth, LLP1,041,13130 Mar 20221.90%2,665,295
Fortress Investment Group LLC942,25830 Mar 20221.72%2,412,180

Top mutual fund holders

HolderSharesDate reported% outValue
General American Investors Co1,752,47029 Jun 20223.19%4,486,323
Bruce & Co., Inc.1,427,41229 Jun 20222.60%3,654,174
Vanguard Total Stock Market Index Fund1,332,37230 Mar 20222.45%3,410,872
iShares Russell 2000 ETF1,032,45830 May 20221.90%2,643,092
Vanguard Extended Market Index Fund607,78930 Mar 20221.12%1,555,939
iShares Russell 2000 Growth ETF412,62730 May 20220.76%1,056,325
Fidelity Small Cap Index Fund364,29430 May 20220.66%932,592
Fidelity Extended Market Index Fund250,38930 May 20220.46%640,995
Vanguard Russell 2000 Index Fund128,87927 Feb 20220.24%329,930
Bridgeway Funds Inc-Ultra Small Company Market Fund115,00030 Mar 20220.21%294,399
iShares Micro Cap ETF107,43829 Jun 20220.20%275,041
Schwab Capital Trust-Small Cap Index Fund112,26729 Apr 20220.20%287,403
TIAA-CREF Funds-Small-Cap Blend Index Fund70,79529 Apr 20220.13%181,235
EQ Advisors Trust-EQ/2000 Managed Volatility Port67,11230 Mar 20220.12%171,806
Quantitative Master Series Tr-Master Small Cap Index Series68,36530 Mar 20220.12%175,014
Highland Fds II-Highland Small Cap Equity Fd64,77030 Mar 20220.12%165,811