Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Mammoth Energy Holdings LLC

2. Date of Event Requiring Statement (Month/Day/Year)
10/13/2016

3. Issuer Name and Ticker or Trading Symbol
Mammoth Energy Services, Inc. [TUSK]

(Last)

(First)

(Middle)

C/O WEXFORD CAPITAL LP, 411 WEST PUTNAM AVE, SUITE 125

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

GREENWICH, CT 06830

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01	20,615,700 ⁽¹⁾	D ⁽²⁾ ⁽³⁾ ⁽⁴⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Mammoth Energy Holdings LLC C/O WEXFORD CAPITAL LP 411 WEST PUTNAM AVE, SUITE 125 GREENWICH, CT 06830	X	X
WEXFORD CAPITAL LP 411 WEST PUTNAM AVENUE SUITE 125 GREENWICH, CT 06830	X	X
Wexford GP LLC C/O WEXFORD CAPITAL LP SUITE 125 GREENWICH, CT 06830	X	X
JACOBS JOSEPH C/O WEXFORD CAPITAL LP 411 WEST PUTNAM AVENUE, SUITE 125 GREENWICH, CT 06830	X	X
DAVIDSON CHARLES E C/O WEXFORD CAPITAL LP 411 WEST PUTNAM AVE. GREENWICH, CT 06830	X	X

Signatures

Mammoth Energy Holdings LLC, By: Arthur Amron, Vice President and Assistant Secretary		10/13/2016
^**Signature of Reporting Person		Date
Wexford GP LLC, By: Arthur Amron, Vice President and Assistant Secretary		10/13/2016
^**Signature of Reporting Person		Date
Wexford Capital LP, By: Wexford GP LLC, its general partner, By: Arthur Amron Vice President and Assistant Secretary		10/13/2016
^**Signature of Reporting Person		Date
Joseph M. Jacobs		10/13/2016
^**Signature of Reporting Person		Date
Charles E. Davidson		10/13/2016
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Mammoth Energy Holdings LLC ("MEH") previously received 20,615,700 shares of common stock from the Issuer in connection with MEH's contribution of its membership interest in Mammoth Energy Partners LLC to the Issuer completed prior to the Issuer's initial public offering.
(2)	The securities are held by MEH
(3)	This form is jointly filed by MEH, Wexford Capital LP ("Wexford"), Charles E. Davidson ("Davidson"), Joseph M. Jacobs ("Jacobs"), and Wexford GP LLC ("Wexford GP"). Wexford serves as manager, of MEH, and as such may be deemed to share beneficial ownership of the securities beneficially owned by MEH. Wexford GP, as the general partner of Wexford, may be deemed to share beneficial ownership of the securities beneficially owned by MEH. (continued under Footnote (4) below).
(4)	(continued from Footnote (3) above) Davidson and Jacobs, as the controlling persons of Wexford GP, may be deemed to share beneficial ownership of any securities beneficially owned by MEH for which Wexford serves as manager. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of his or its actual pecuniary interest therein.

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