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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD
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3.0100-0.0400 (-1.31%)
At close: 04:00PM EDT
3.0100 0.00 (0.00%)
After hours: 04:01PM EDT

Major holders

Currency in USD
16.68%% of shares held by all insiders
46.90%% of shares held by institutions
56.28%% of float held by institutions
115Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AIGH Capital Management LLC3,387,17229 Jun 20226.17%10,195,387
Vanguard Group, Inc. (The)2,019,68629 Jun 20223.68%6,079,254
Omega Fund Management, Llc1,971,24129 Jun 20223.59%5,933,435
General American Investors Company Inc1,752,47029 Jun 20223.19%5,274,934
Rock Springs Capital Management, LP1,734,03729 Jun 20223.16%5,219,451
Bruce & Co, Inc.1,557,31229 Jun 20222.84%4,687,509
Abingworth, LLP1,041,13129 Jun 20221.90%3,133,804
Worth Venture Partners, Llc969,69829 Jun 20221.77%2,918,790
Blackrock Inc.869,22429 Jun 20221.58%2,616,364
Fortress Investment Group LLC809,65129 Jun 20221.48%2,437,049

Top mutual fund holders

HolderSharesDate reported% outValue
General American Investors Co1,752,47029 Jun 20223.19%5,274,934
Bruce & Co., Inc.1,427,41229 Jun 20222.60%4,296,510
Vanguard Total Stock Market Index Fund1,332,37229 Jun 20222.43%4,010,439
Vanguard Extended Market Index Fund607,78929 Jun 20221.11%1,829,444
Fidelity Extended Market Index Fund247,50230 Aug 20220.45%744,981
Vanguard Russell 2000 Index Fund125,80030 May 20220.23%378,657
Bridgeway Funds Inc-Ultra Small Company Market Fund115,00029 Jun 20220.21%346,149
iShares Micro Cap ETF105,50930 Aug 20220.19%317,582
iShares Core S&P Total U.S. Stock Market ETF81,09730 Aug 20220.15%244,101
Highland Fds II-Highland Small Cap Equity Fd64,77029 Jun 20220.12%194,957