Are your investments aligned to your values?

Icon of an individual planting a tree

Invest in the future you want to see

Icon of cigarette packet with gold cross going through it

Restrict investment in fossil fuels, weapons and tobacco

Icon showing a report with a green tick

Ensure your investment lives up to its ethical claims

Illustrated Home Lounge Scene

Trust MAS to invest your money responsibly

  • Owned by our Members
  • Serving our Members for over 100 years
  • Our profits help fund MAS Foundation, supporting health and wellbeing equity in Aotearoa.

Reduced exposure to climate risk*

pollution

>60% less carbon emissions (1)

fossil fuel drilling

Avoid companies with principal business activities in fossil fuels (2)

climate change temp rise

Lower implied temperature rise (3)

5x more investment in alternative energy**

infratil 1 logo
meridian 1 logo
mercury 1 logo
vestas logo

Independently certified and recognised

riaa logo
mindful money transparent
pri logo

Drive change from within

Icon of three different coloured speech bubbles

Be represented at company meetings where our ambition is to use shareholder voting rights to influence companies to conduct their business in a socially and environmentally responsible manner. 

Icon of two hands shaking in agreement

As an active steward of your money, we appoint an agent to engage with the companies the funds invest in, to advocate for human rights, labour rights, anti-corruption, and the environment.

“If you’re going to be spending your money and supporting one company over another, you should be putting your dollars where it counts.”

Katherine Reinhold, Lawyer


* Please note that these are portfolio characteristics of the MAS KiwiSaver Scheme at a given point in time. They are not explicit targets.

(1) Compares the weighted average carbon intensity of equities (scopes 1 & 2) in the MAS KiwiSaver Scheme to the MSCI All Country World index as of 28 February 2024. 

(2) We do not invest in companies that generates 10% or more of their revenues from the exploration, extraction, refining, or processing of oil, gas or coal; the supply of equipment and services to oil and gas exploration; or oil, gas, or coal-based power generation.

(3) According to MSCI data, as of 28 February 2024, the implied temperature rise of equities within the MAS KiwiSaver Scheme was 2.1°C as compared to an implied temperature rise of 2.5°C for the MSCI All Country World Index.

** Compares the revenue exposure from alternative energy technologies of equities in the MAS KiwiSaver Scheme to the MSCI All Country World index as of 28 February 2024. MSCI defines alternative energy technologies as products and services that support the transmission, distribution, and generation of renewable energy and alternative fuels to reduce carbon and pollutant emissions in supporting affordable and clean energy to combat climate change. Please note that these are portfolio characteristics of the MAS KiwiSaver Scheme at a given point in time. They are not explicit targets.


The RIAA Certification Symbol signifies that a product or service offers an investment style that takes into account certain environmental, social, governance or ethical considerations. The symbol also signifies that the MAS KiwiSaver Scheme and MAS Retirement Savings Scheme adheres to the strict operational and disclosure practices required under the Responsible Investment Certification Program for the category of Superfund option. The Certification Symbol is a Registered Trademark of the Responsible Investment Association of Australasia (RIAA). Detailed information about RIAA, the Symbol and the MAS KiwiSaver Scheme and MAS Retirement Savings Scheme methodology and performance can be found at www.responsiblereturns.com.au, together with details about other responsible investment products certified by RIAA. The Responsible Investment Association of Australasia does not currently assess cash funds as part of their Certification Programme.

The Responsible Investment Certification Program does not constitute financial product advice. Neither the Certification Symbol nor RIAA recommends to any person that any financial product is a suitable investment or that returns are guaranteed. Appropriate professional advice should be sought prior to making an investment decision. RIAA does not hold an Australian Financial Services Licence.


Medical Funds Management Limited is the manager and issuer of the MAS KiwiSaver Scheme, the MAS Retirement Savings Scheme and the MAS Investment Funds. Copies of the PDS for each scheme are available on our website. If you would like to talk to a MAS Adviser, phone 0800 800 627 or email info@mas.co.nz