Are your investments aligned to your values?

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Invest in the future you want to see

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Restrict investment in fossil fuels, weapons and tobacco

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Ensure your investment lives up to its ethical claims

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Trust MAS to invest your money responsibly

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

Independently certified and recognised

RIAA Certification Logo
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Drive change from within

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Be represented by MAS at company meetings where we use our shareholder voting rights to advocate for triple bottom line values - people, planet, and profit.

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As an active steward of your money, we engage with the companies the funds invest in to campaign 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

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 Trade Mark 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, together with details about other responsible investment products certified by RIAA1

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 investments in the MAS KiwiSaver Scheme and the MAS Retirement Savings Scheme (the Schemes). Copies of the Product Disclosure Statements (PDS) for each Scheme are available here:


Retirement Savings

If you would like to talk to a MAS adviser, phone 0800 800 627 or email