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.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2022
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: Greenstone Partners & Co., LLC
Address: 60 E. SIR FRANCIS DRAKE BLVD, SUITE 300
LARKSPUR , CA94939
Form 13F File Number: 028-20697

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: Gregory M. Tusher
Title: Manager
Phone: 415-634-6721
Signature, Place, and Date of Signing:
Gregory M. Tusher Larkspur , CA 08-08-2022
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 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).)
  13F 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).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 10
Form 13F Information Table Value Total: 93,845
(thousands)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name

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.]
No. Form 13F File Number Name


SEC FORM 13F-HR

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.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ACUITY BRANDS COM 00508Y102 12,970 84,200 SH SOLE 84,200 0 0
APPFOLIO CL A COM CL A 03783C100 9,333 102,968 SH SOLE 102,968 0 0
APPLOVIN CL A COM CL A 03831W108 15,621 453,585 SH SOLE 453,585 0 0
BLACKLINE COM 09239B109 9,898 148,620 SH SOLE 148,620 0 0
CHARTER COMMUNICATIONS NEW CL A CL A 16119P108 2,635 5,625 SH SOLE 5,625 0 0
FRONTIER COMMUNICATIONS PARENT COM 17453B101 8,056 342,209 SH SOLE 342,209 0 0
GUIDEWIRE SOFTWARE COM 40171V100 7,372 103,848 SH SOLE 103,848 0 0
MERIDIANLINK COMMON STOCK COM 62541M107 12,095 724,281 SH SOLE 724,281 0 0
PAR TECHNOLOGY COM 698884103 6,982 186,237 SH SOLE 186,237 0 0
PROCORE TECHNOLOGIES COM 74275K108 8,883 195,706 SH SOLE 195,706 0 0