Type / Class
Equity / Common Stock, $0.01 par value
Shares outstanding
48,165,948
Number of holders
63
Total 13F shares, excl. options
31,756,632
Shares change
-1,149,745
Total reported value, excl. options
$623,406,658
Value change
-$22,069,313
Number of buys
31
Number of sells
-23
Price
$19.63

Significant Holders of MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) as of Q4 2017

68 filings reported holding TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value as of Q4 2017.
MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) has 63 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 31,756,632 shares of 48,165,948 outstanding shares and own 66% of the company stock.
Largest 10 shareholders include Wexford Capital LP (25,013,764 shares), JANUS HENDERSON GROUP PLC (2,282,013 shares), PRINCIPAL FINANCIAL GROUP INC (554,856 shares), BlackRock Inc. (448,394 shares), Vanguard Group Inc (434,664 shares), Cortina Asset Management, LLC (343,430 shares), THOMSON HORSTMANN & BRYANT INC (256,497 shares), ROYCE & ASSOCIATES LP (185,918 shares), Russell Investments Group, Ltd. (161,666 shares), and Boston Partners (151,040 shares).
This table shows the top 63 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.