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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real Time Price. Currency in USD
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1.9600+0.0300 (+1.55%)
At close: 04:00PM EDT
2.0100 +0.05 (+2.55%)
After hours: 04:20PM EDT

Major Holders

Currency in USD
Breakdown
16.58%% of Shares Held by All Insider
53.72%% of Shares Held by Institutions
64.41%% of Float Held by Institutions
143Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
AIGH Capital Management LLC3,139,714Mar 30, 20225.76%6,153,839
Blackrock Inc.2,940,513Mar 30, 20225.40%5,763,405
Vanguard Group, Inc. (The)2,278,878Mar 30, 20224.18%4,466,600
Omega Fund Management, Llc1,971,241Mar 30, 20223.62%3,863,632
Rock Springs Capital Management, LP1,726,637Mar 30, 20223.17%3,384,208
Bruce & Co, Inc.1,557,312Mar 30, 20222.86%3,052,331
General American Investors Company Inc1,448,170Mar 30, 20222.66%2,838,413
J. Goldman & Co., L.P.1,056,631Mar 30, 20221.94%2,070,996
Abingworth, LLP1,041,131Mar 30, 20221.91%2,040,616
Fortress Investment Group LLC942,258Mar 30, 20221.73%1,846,825

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
General American Investors Co1,448,170Mar 30, 20222.66%2,838,413
Bruce & Co., Inc.1,427,412Mar 30, 20222.62%2,797,727
Vanguard Total Stock Market Index Fund1,332,372Mar 30, 20222.45%2,611,449
iShares Russell 2000 ETF1,032,458May 30, 20221.90%2,023,617
Vanguard Extended Market Index Fund607,789Mar 30, 20221.12%1,191,266
iShares Russell 2000 Growth ETF412,627May 30, 20220.76%808,748
Fidelity Small Cap Index Fund364,294Apr 29, 20220.67%714,016
Fidelity Extended Market Index Fund250,389Apr 29, 20220.46%490,762
Vanguard Russell 2000 Index Fund128,879Feb 27, 20220.24%252,602
Bridgeway Funds Inc-Ultra Small Company Market Fund115,000Mar 30, 20220.21%225,400
iShares Micro Cap ETF115,087May 30, 20220.21%225,570