Mawer Investment Management: AUM & Ownership

Clients

Mawer Investment Management serves 6,075 clients, 738 of them high-net-worth individuals. The average client has about $6.7 million with the firm, and high-net-worth clients hold 8% of its $40.9 billion in assets.

Regulatory assets by client type

Individuals4,222 clients6%
High-net-worth individuals738 clients8%
Pooled investment vehicles83 clients49%
Pension and profit-sharing plans90 clients12%
Charitable organizations171 clients7%
OtherState or municipal government entities, Corporations and other businesses, Investment companies, Other investment advisers, Sovereign wealth funds and foreign official institutions18%

Show client breakdown

Client type	Clients	Regulatory AUM	Share	Avg. per client
Individuals (other than HNW)	4,222	$2,453,669,272	6.0%	$581K
High-net-worth individuals	738	$3,107,128,639	7.6%	$4.21M
Investment companies	1	$226,996,023	0.6%	$227.0M
Pooled investment vehicles	83	$19,957,554,921	48.7%	$240.5M
Pension and profit-sharing plans	90	$4,992,402,384	12.2%	$55.5M
Charitable organizations	171	$2,987,802,366	7.3%	$17.5M
State or municipal government entities	7	$1,939,905,364	4.7%	$277.1M
Other investment advisers	1	$306,473,353	0.7%	$306.5M
Sovereign wealth funds and foreign official institutions	1	$694,222,449	1.7%	$694.2M
Corporations and other businesses	761	$4,274,239,485	10.4%	$5.62M
Total	6,075	$40,940,394,256	100%	$6.74M

Individuals (other than HNW)

Clients: 4,222
Regulatory AUM: $2,453,669,272
Share: 6.0%
Avg. per client: $581K

High-net-worth individuals

Clients: 738
Regulatory AUM: $3,107,128,639
Share: 7.6%
Avg. per client: $4.21M

Investment companies

Clients: 1
Regulatory AUM: $226,996,023
Share: 0.6%
Avg. per client: $227.0M

Pooled investment vehicles

Clients: 83
Regulatory AUM: $19,957,554,921
Share: 48.7%
Avg. per client: $240.5M

Pension and profit-sharing plans

Clients: 90
Regulatory AUM: $4,992,402,384
Share: 12.2%
Avg. per client: $55.5M

Charitable organizations

Clients: 171
Regulatory AUM: $2,987,802,366
Share: 7.3%
Avg. per client: $17.5M

State or municipal government entities

Clients: 7
Regulatory AUM: $1,939,905,364
Share: 4.7%
Avg. per client: $277.1M

Other investment advisers

Clients: 1
Regulatory AUM: $306,473,353
Share: 0.7%
Avg. per client: $306.5M

Sovereign wealth funds and foreign official institutions

Clients: 1
Regulatory AUM: $694,222,449
Share: 1.7%
Avg. per client: $694.2M

Corporations and other businesses

Clients: 761
Regulatory AUM: $4,274,239,485
Share: 10.4%
Avg. per client: $5.62M

Total

Clients: 6,075
Regulatory AUM: $40,940,394,256
Share: 100%
Avg. per client: $6.74M

What it does

Mawer Investment Management provides financial planning, portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles, portfolio management for institutions, publishing newsletters and educational seminars. It is paid through a percentage of assets and performance-based fees.

Mawer Investment Management provided financial planning to 251–500 clients last fiscal year and advises 17 private funds.

98.4% of assets ($40.30B across 12,583 accounts) are managed with discretion; $643.1M across 86 accounts are not. 99% of clients are outside the U.S., and 0 clients received advice without assets under management last fiscal year.

What the accounts hold

Separately managed account assets by class, year end

Stocks24%
Funds74%
Bonds1%
Cash1%

Custodians

Mawer Investment Management does not have custody of client assets.

Managed account assets by custodian

All other custodians$40.94B100%

Ownership and leadership

Mawer Investment Management is owned through holding companies by Craig Senyk, David Ragan, Peter Lampert and Jeffrey Mo. Bruce Geddes is its CEO.

Who owns the firm

Mawer Investment Management LTD.· the adviser

James Hall
Control person · since July 2025
Owns 5% to 10% of Mawer Investment Management LTD.
Senyk Investment Management LTD.
since June 2003
Owns 5% to 10% of Mawer Investment Management LTD.
- Craig Senyk
  Control person · since June 2003
  Owns 75% or more of Senyk Investment Management LTD.
Krieghoff Capital Management LTD.
since January 2015
Owns 5% to 10% of Mawer Investment Management LTD.
Rising Rock LTD.
since January 2022
Owns 5% to 10% of Mawer Investment Management LTD.
- Peter Lampert
  Control person · since December 2011
  Owns 50% to 75% of Rising Rock LTD.
Confluence Capital Corp.
since June 2021
Owns 5% to 10% of Mawer Investment Management LTD.
- David Ragan
  Control person · since April 2016
  Owns 75% or more of Confluence Capital Corp.
Jeff Mo Enterprises Inc.
since June 2022
Owns 5% to 10% of Mawer Investment Management LTD.
- Jeffrey Mo
  Control person · since December 2011
  Owns 75% or more of Jeff Mo Enterprises Inc.

Leadership

Bruce Geddes
Chief Executive Officer
Eric Wetlaufer
Interim Chief Executive Officer
Kent Kaufield
Chief Financial Officer
George Mawhinney
Chief Financial Officer, Mawer Investment Funds, Shareholder
Keri Peacock
Chief Operating Officer
Nahid Dawood
Chief Compliance Officer (canada), Shareholder
Marie-Claude Lepage
Head, Risk Management and Chief Compliance Officer (usa), Shareholder
Robert Broley
Director of Client Management, Shareholder
Robert Campbell
Director, Shareholder
Crista Caughlin
Director, Shareholder
Jean-Philippe Giguere
Director, Shareholder
James Hall
Chief Investment Officer, Shareholder
Andrew Johnson
Director, Shareholder
David Ragan
Director, Shareholder
Geoffrey Ritchie
Vice Chair, General Counsel, Shareholder
Craig Senyk
Chair, Shareholder
Elyse Van Spronsen
Corporate Secretary, Shareholder
Vijay Viswanathan
Director of Research, Shareholder
Allison Webb
Chief Marketing and People Officer, Shareholder

Staff

278 employees
87 in advisory functions
1 insurance agent

Reported holdings

Mawer Investment Management’s reported 13F holdings total $14.71B across 142 positions, and the ten largest make up 39.5% of it.

$14.71B
Reported 13F value: 142
Positions: 39.5%
In the 10 largest: −4.8%
Value vs. prior quarter

Ten largest positions, share of reported value

Alphabet Inc. · Cap Stk CL C6.4%
Amazon Com Inc.4.9%
Microsoft Corp.4.3%
Shell PLC · Spon ADS4.2%
Nvidia Corporation4.2%
Visa Inc. · Com CL A4.0%
Waters Corp.3.1%
Cencora Inc.2.9%
Amphenol Corp. · CL A2.8%
Aon PLC · Shs CL A2.6%

Together, the ten largest are 39.5% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 7 August 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $14.71B is not its $40.94B in regulatory assets and does not represent any individual client's portfolio.

Fees

Mawer Investment Management is paid through a percentage of assets under management and performance-based fees.

Mawer Investment Management’s fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Mawer Investment Management has 2 offices, with 1 listed address with no US state reported.

Registration details

Legal name: Mawer Investment Management LTD.
Headquarters: 517-10th Avenue SW, Suite 600, Calgary, Alberta, Canada T2R 0A8
Phone: 403-262-4673
Website: www.mawer.com
SEC file: 801-74336
Structure: corporation organized in Canada
Fiscal year end: December

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov

Common questions

How many clients does Mawer Investment Management have?

Mawer Investment Management has 6,075 clients and manages $40.9 billion for them, as of March 2026. They include 4,222 other individuals, 761 corporations and other businesses and 738 high-net-worth individuals.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 30 March 2026

What services does Mawer Investment Management offer?

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How many financial advisors does Mawer Investment Management have?

Mawer Investment Management has 0 investment adviser representatives registered with state securities authorities, out of 278 employees, and 87 perform investment advisory functions. 0 are registered representatives of a broker-dealer and 1 are licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Mawer Investment Management invest in?

At the end of its last fiscal year, Mawer Investment Management’s separately managed accounts held 74% pooled vehicles (private funds and similar), 24% exchange-traded equities, 1% sovereign bonds and 1% cash and equivalents. It advises 17 private funds.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Mawer Investment Management?

Mawer Investment Management is owned through holding companies by Craig Senyk, David Ragan, Peter Lampert and Jeffrey Mo. Its direct owners are James Hall, Senyk Investment Management LTD., Krieghoff Capital Management LTD., Rising Rock LTD., Confluence Capital Corp. and Jeff Mo Enterprises Inc., each holding 10% or less.

Source: Form ADV Part 1A, Schedules A and B, filed 30 March 2026

How does Mawer Investment Management get paid?

Mawer Investment Management is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file