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 *
  INEOS Investments Partnership
 2. Date of Event Requiring Statement (Month/Day/Year)
09/29/2017		 3. Issuer Name and Ticker or Trading Symbol
PQ Group Holdings Inc. [PQG]
(Last)
(First)
(Middle)
AVENUE DES UTTINS, 3, CH-1180, ROLLE, 		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
09/29/2017
(Street)

V8 		 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 30,733,797
D (1)
 

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
INEOS Investments Partnership
AVENUE DES UTTINS, 3, CH-1180, ROLLE
V8 		     X    
RATCLIFFE JAMES A
C/O INEOS INVESTMENTS PARTNERSHIP
AVENUE DES UTTINS, 3, CH-1180, ROLLE
V8 		     X    

Signatures

INEOS INVESTMENTS PARTNERSHIP, /s/ Andrew Currie, Name: Andrew Currie, Title: Partner 11/13/2017
**Signature of Reporting Person Date
/s/ James A. Ratcliffe 11/13/2017
**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) James A. Ratcliffe, as the majority owner of INEOS Investments Partnership, has the power to control the voting and disposition of the shares of common stock held by INEOS Investments Partnership. Mr. Ratcliffe disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of such securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
 
Remarks:
This Form 3/A amends the Form 3 filing made on behalf of INEOS Investments Partnership on September 29, 2017 to add James A. Ratcliffe as a reporting person.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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