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 *
  Yorktown VIII Associates LLC
 2. Date of Event Requiring Statement (Month/Day/Year)
03/12/2019		 3. Issuer Name and Ticker or Trading Symbol
Antero Midstream Corp [AM]
(Last)
(First)
(Middle)
410 PARK AVENUE, 19TH FLOOR		 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)

NEW YORK, NY 10022		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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 shares representing limited partner interests 7,091,699 (1) (2)
I
See footnote (3)

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
Director 10% Owner Officer Other
Yorktown VIII Associates LLC
410 PARK AVENUE, 19TH FLOOR
NEW YORK, NY 10022		   X   X    

Signatures

Yorktown VIII Associates LLC, /s/ W. Howard Keenan, Jr. , Managing Member 03/14/2019
**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) On March 12, 2019, in connection with the conversion of Antero Midstream GP LP ("AMGP") from a limited partnership to a corporation named Antero Midstream Corporation ("New AM") under the laws of the State of Delaware (the "Conversion"), each common share representing limited partnership interests of AMGP was converted into one share of common stock of New AM. The common shares representing limited partnership interests of AMGP reported herein represent holdings of Yorktown Energy Partners VIII, L.P., a Delaware limited partnership ("Yorktown VIII") immediately prior to the Conversion.
(2) These securities were owned directly by Yorktown VIII. The Reporting Person is the sole general partner of Yorktown VIII Company LP. Yorktown VIII Company LP is the sole general partner of Yorktown VIII.
(3) The Reporting Person disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the securities for Section 16 or any other purpose.
 
Remarks:
Yorktown VIII is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

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