MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK)

CUSIP: 56155L108

Q4 2016 13F Holders as of 31 Dec 2016

Type / Class
Equity / Common Stock, $0.01 par value
Shares outstanding
48,165,948
Total 13F shares
28,267,810
Share change
+28,143,638
Total reported value
$429,642,932
Price per share
$15.20
Number of holders
64
Value change
+$427,775,931
Number of buys
62

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Quarterly Holders Quick Answers

What is CUSIP 56155L108?
CUSIP 56155L108 identifies TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value in SEC institutional holdings data.

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Top shareholders of TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Institutional Holders of MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) as of Q4 2016

As of 31 Dec 2016, MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) was held by 64 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 28,267,810 shares. The largest 10 holders included Wexford Capital LP, Perkins Investment Management, LLC, AMERICAN CENTURY COMPANIES INC, PRINCIPAL FINANCIAL GROUP INC, Pine River Capital Management L.P., UBS OCONNOR LLC, VANGUARD GROUP INC, DRIEHAUS CAPITAL MANAGEMENT LLC, FRANKLIN RESOURCES INC, and BlackRock Fund Advisors. This page lists 64 institutional shareholders reporting positions in this security for the Q4 2016 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2016 vs Q4 2025 Across Filers

Q4 2025 holders
71
Q4 2016 holders
64
Holder diff
-7
Investor Q4 2025 Shares Q4 2016 Shares Share Diff Share Chg % Q4 2025 Value $ Q4 2016 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.