How many funds does Mercer offer?

Mercer offers 7 funds tracked on WealthWatch.

What is the lowest fee at Mercer?

Its lowest total annual fund charge is 0.32% p.a.

How much does Mercer manage in the KiwiSaver funds tracked here?

Across the 7 Mercer KiwiSaver funds tracked on WealthWatch, about $2.6 billion (this is the scheme total tracked here, not the provider's entire book).

Mercer is part of Marsh McLennan — Mercer NZ Limited, part of Marsh McLennan, a NYSE-listed global professional services firm.

Mercer KiwiSaver Review 2026 — Fees, Returns & Sentiment Score

Mercer (N.Z.) Limited is a specialist investment manager and retirement savings provider with over 65 years of experience in New Zealand. The company manages approximately NZD $6 billion on behalf of New Zealand clients and serves both individual retail investors through KiwiSaver, FlexiSaver, and managed funds, as well as large institutional and corporate clients through the Mercer Super Trust and Mercer Investment Trusts New Zealand. As part of the global Marsh McLennan group, Mercer leverages over 1,200 investment professionals worldwide to deliver research-driven, multi-manager investment solutions.

Mercer's investment approach is centred on diversification across asset classes, geographies, and carefully selected external fund managers. The company offers seven distinct KiwiSaver investment options ranging from 100% Cash to 100% Shares, alongside flexible savings products and employer-sponsored superannuation schemes. Mercer is committed to sustainable and responsible investing, helping New Zealanders build wealth for retirement while integrating environmental, social, and governance considerations into its investment decision-making processes.

Fund Name	Type	1yr	3yr	5yr	Fees
Mercer Responsible High Growth	aggressive	11.3%	13.6%	8.2%	0.87%
Mercer Responsible Balanced	balanced	8.9%	10.0%	5.4%	1.25%
Mercer Cash	cash	3.4%	4.7%	3.3%	0.32%
Mercer Responsible Conservativ	conservative	5.6%	6.8%	2.6%	0.49%
Mercer Responsible Growth	growth	10.0%	11.9%	7.0%	0.83%
Mercer Responsible Shares	international_shares	11.9%	15.1%	8.3%	0.93%
Mercer Responsible Moderate	moderate	7.1%	8.1%	4.0%	0.66%

Mercer

Sentiment Overview

Example Fund

Mercer Responsible Shares — Annualised Returns (% p.a.)

Sentiment Timeline