PRTK - Paratek Pharmaceuticals, Inc.

NasdaqGM - NasdaqGM Real-time price. Currency in USD
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.27%% of shares held by all insiders
52.56%% of shares held by institutions
59.92%% of float held by institutions
98Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AIGH Capital Management LLC2,674,81230 Mar 20234.67%5,135,638
Nexpoint Asset Management, L.P.2,495,77030 Mar 20234.36%4,791,878
Vanguard Group, Inc. (The)2,228,06630 Mar 20233.89%4,277,886
Omega Fund Management, Llc1,971,24130 Mar 20233.44%3,784,782
General American Investors Company Inc1,914,42430 Mar 20233.34%3,675,693
Rock Springs Capital Management, LP1,734,03730 Mar 20233.03%3,329,350
Bruce & Co, Inc.1,556,24730 Mar 20232.72%2,987,994
Blackrock Inc.1,067,01130 Mar 20231.86%2,048,661
Carlyle Group Inc.1,041,13130 Mar 20231.82%1,998,971
J. Goldman & Co., L.P.915,50130 Mar 20231.60%1,757,761

Top mutual fund holders

HolderSharesDate reported% outValue
General American Investors Co1,884,39330 Dec 20223.29%3,618,034
Vanguard Total Stock Market Index Fund1,443,55230 Dec 20222.52%2,771,619
Bruce & Co., Inc.1,427,41230 Dec 20222.49%2,740,630
Vanguard Extended Market Index Fund676,07130 Dec 20221.18%1,298,056
iShares Core S&P Total U.S. Stock Market ETF408,00827 Feb 20230.71%783,375
Fidelity Extended Market Index Fund246,09127 Feb 20230.43%472,494
Bridgeway Funds Inc-Ultra Small Company Market Fund215,00030 Dec 20220.38%412,799
iShares Micro Cap ETF113,33727 Feb 20230.20%217,607
Fidelity Total Market Index Fund77,98427 Feb 20230.14%149,729
Highland Fds II-Highland Small Cap Equity Fd64,77030 Dec 20220.11%124,358