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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD
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2.1500-0.0600 (-2.71%)
At close: 04:00PM EST
2.1500 0.00 (0.00%)
After hours: 07:23PM EST

Major holders

Currency in USD
16.62%% of shares held by all insiders
46.39%% of shares held by institutions
55.64%% of float held by institutions
102Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AIGH Capital Management LLC3,887,17229 Sept 20227.00%8,357,420
Vanguard Group, Inc. (The)2,174,62529 Sept 20223.91%4,675,443
Omega Fund Management, Llc1,971,24129 Sept 20223.55%4,238,168
General American Investors Company Inc1,916,09929 Sept 20223.45%4,119,613
Rock Springs Capital Management, LP1,734,03729 Sept 20223.12%3,728,179
Bruce & Co, Inc.1,557,31229 Sept 20222.80%3,348,220
Blackrock Inc.1,203,44629 Sept 20222.17%2,587,409
Abingworth, LLP1,041,13129 Sept 20221.87%2,238,431
Worth Venture Partners, Llc969,69829 Sept 20221.75%2,084,850
1492 Capital Management, LLC501,05029 Sept 20220.90%1,077,257

Top mutual fund holders

HolderSharesDate reported% outValue
General American Investors Co1,916,09929 Sept 20223.45%4,119,613
Bruce & Co., Inc.1,427,41229 Sept 20222.57%3,068,935
Vanguard Total Stock Market Index Fund1,332,37229 Jun 20222.40%2,864,599
Vanguard Extended Market Index Fund607,78929 Jun 20221.09%1,306,746
iShares Core S&P Total U.S. Stock Market ETF441,48829 Sept 20220.79%949,199
Fidelity Extended Market Index Fund247,50230 Aug 20220.45%532,129
Bridgeway Funds Inc-Ultra Small Company Market Fund115,00029 Sept 20220.21%247,250
iShares Micro Cap ETF104,22329 Sept 20220.19%224,079
Highland Fds II-Highland Small Cap Equity Fd64,77029 Sept 20220.12%139,255
Fidelity Total Market Index Fund56,39530 Aug 20220.10%121,249