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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD
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4.9100+0.0900 (+1.87%)
At close: 4:00PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
8.28%% of shares held by all insiders
54.01%% of shares held by institutions
58.88%% of float held by institutions
159Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Blackrock Inc.2,897,32029 Jun 20215.94%19,759,722
Omega Fund Management (US) Inc.2,600,41029 Jun 20215.33%17,734,796
Vanguard Group, Inc. (The)2,150,52129 Jun 20214.41%14,666,553
Rock Springs Capital Management, LP1,654,71429 Jun 20213.39%11,285,149
Bruce & Co, Inc.1,163,31229 Jun 20212.38%7,933,787
General American Investors Company Inc1,041,19729 Jun 20212.13%7,100,963
Abingworth, LLP1,041,13129 Jun 20212.13%7,100,513
AIGH Capital Management LLC922,77929 Jun 20211.89%6,293,352
Granahan Investment Management Inc.834,26029 Jun 20211.71%5,689,653
State Street Corporation749,60129 Jun 20211.54%5,112,278

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund1,241,00529 Jun 20212.54%8,463,654
Bruce & Co., Inc.1,163,31229 Jun 20212.38%7,933,787
iShares Russell 2000 ETF1,063,60729 Sept 20212.18%5,169,130
General American Investors Co1,041,19729 Jun 20212.13%7,100,963
Vanguard Extended Market Index Fund598,40329 Jun 20211.23%4,081,108
JNL Series Trust-JNL/Multi Manager Small Cap GrowthFd411,68729 Jun 20210.84%2,807,705
iShares Russell 2000 Growth ETF384,60229 Sept 20210.79%1,869,165
Fidelity Small Cap Index Fund340,97430 Jul 20210.70%1,773,064
Fidelity Extended Market Index Fund216,95930 Aug 20210.44%1,206,292
Schwab Strategic Tr-Schwab U.S. Small Cap ETF158,65430 May 20210.33%1,304,135