The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

Washington, D.C. 20549


OMB Number:3235-0006
Expires:Oct 31, 2018
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Report for the Calendar Year or Quarter Ended:09-30-2018
Check here if Amendment  Amendment Number:
This Amendment (Check only one.):  is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:CPMG Inc
Address:2000 MCKINNEY
SUITE 2125
DALLAS, TX  75201
Form 13F File Number:028-18547

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:John E. Bateman
Title:Chief Operating Officer
Signature, Place, and Date of Signing:
/s/ John E. BatemanDallasTX11-14-2018
[Signature][City, State][Date]
This Form 13F includes only the reportable 2,912,523 Class A shares of Reata Pharmaceuticals, Inc. ("Reata") over which CPMG, Inc. ("CPMG") had investment discretion as of September 30, 2018. This Form 13F does not include the 1,692,857 Class B shares of Reata over which CPMG had investment discretion as of September 30, 2018 because such Class B shares were not included in the relevant quarter's Official List of Section 13(f) Securities, and thus should be excluded.
Report Type (Check only one.):
  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
X13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File NumberName
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:0
Form 13F Information Table Entry Total:21
Form 13F Information Table Value Total:1,436,857
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]