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
Estimated average burden
hours per response: 23.8
Report for the Calendar Year or Quarter Ended: 03-31-2019
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: Mercer Investments LLC
Address: 99 High Street
Boston, MA  02110
Form 13F File Number: 028-12567

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: Robert Phay
Title: Chief Compliance Officer
Phone: 617 747 9205
Signature, Place, and Date of Signing:
/s/ Robert Phay Boston,  MA 05-06-2019
[Signature] [City, State] [Date]
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).)
X 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).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
028-05990 Acadian Asset Management LLC
028-05508 AJO, LP
028-01091 American Century Investment Management, Inc.
028-10120 AQR Capital Management LLC
028-16565 Aristotle Capital Boston, LLC
028-10005 Arrowstreet Capital Limited Partnership
028-12592 Bank of New York Mellon Asset Management North America (See Bank of New York Mellon Corp)
028-01006 Barrow Hanley Mewhinney & Strauss LLC
028-12019 Blackrock, Inc.
028-16017 BMO Asset Management Corp.
028-02204 Brandywine Global Investment Management, LLC
028-02180 Capstone Asset Management Co
028-12126 Clarivest Asset Management LLC
028-10477 Columbia Management Investment Advisers, LLC
028-11628 Copper Rock Capital Partners, LLC
028-01186 Dimensional Fund Advisors LP
028-00400 Dodge & Cox
028-10981 Goldman Sachs Asset Management, L.P.
028-04145 GW&K Investment Management
028-13328 HS Management Partners, LLC
028-10329 Income Research and Management, LLC
028-04211 Intech Investment Management LLC
028-00255 Invesco Advisers, Inc.
028-03059 Jacobs Levy Equity Management, Inc.
028-10904 Janus Henderson Group PLC
028-00074 Jennison Associates LLC
028-12421 Logan Circle Partners (See Fortress Investment Group LLC)
028-00398 Loomis Sayles & Co LP
028-06580 LSV Asset Management
028-05267 MacQuarie Investment Management Business Trust
028-03673 Manulife Asset Management (US) LLC
028-04632 Martingale Asset Management LP
028-04968 Massachusetts Financial Services Co.
028-03719 McKinley Capital Management LLC
028-11450 Mondrian Investment Partners LTD
028-04668 NISA Investment Advisors LLC
028-12966 O'Shaughnessy Asset Management, LLC
028-10952 Pacific Investment Management Company LLC
028-03042 PanAgora Asset Management Inc.
028-04588 Parametric Portfolio Associations, LLC
028-03687 Polen Capital Management LLC
028-04217 Prudential Investment Management, Inc.
028-00306 Rothschild Asset Management Inc.
028-03489 SouthernSun Asset Management, LLC
028-00115 T. Rowe Price Associates Inc.
028-14794 Veritas Asset Management LLP
028-07292 Voya Investment Management, LLC
028-16899 Wellington Management Company LLP
028-10245 Western Asset Management Co.
028-10220 Westfield Capital Management Company, LP
028-17022 William Blair Investment Management, LLC
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 3
Form 13F Information Table Value Total: 5,290
(thousands)
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.]
NONE