How ASX Investing Works for Kiwis

For many Kiwi investors, the Australian Share Market (ASX) is the first port of call when looking beyond New Zealand.

It offers something a lot of investors value: strong dividend income, broad sector exposure beyond New Zealand, and a bigger opportunity set than the NZX on its own.

It’s close, familiar, and home to many large, well-established companies.

But while Australia may be just across the ditch, the way these investments work for Kiwis, from how you access them to how they are treated in your portfolio, can be quite different. Understanding these differences can help you decide when ASX investments make sense - and when there may be a more efficient way to get the same exposure at home.

There are good reasons the ASX often features in Kiwi portfolios. Compared with the New Zealand market, Australia offers:

• A larger and deeper share market
• More exposure to larger companies like banks, mining, resources and industrials
• Higher levels of liquidity
• A market that can behave differently from both New Zealand and global equities

This means Australia can add useful diversification, particularly when commodities, financials, or broader risk appetite are driving returns.

Read more about how Australian equities can fit into your portfolio.

The ASX is unique in that it’s the only major international market where many shares are exempt from New Zealand’s Foreign Investment Fund (FIF) rules.

That exemption is what makes ASX investing behave differently from other offshore investments.

The key distinction isn’t where you buy the investment - it’s what you’re actually buying.

Direct shares in Australian resident companies
Most ASX-listed companies are exempt from FIF rules for Kiwi investors. That means:

• They don’t count toward FIF calculations
• You’re generally taxed only on dividends received

ASX-listed ETFs (especially global funds)
These are not exempt. Even if they trade on the ASX, the underlying investments are global, so:

• They are subject to FIF rules
• They do count toward your FIF exposure

If you’re unsure whether a specific company qualifies, you can check the IRD’s official exemption list here.

Australian shares are well known for their dividends, often with franking credits attached. These credits prevent double taxation for Australian investors.

However, for Kiwi investors, franking credits are generally unusable - they can’t be applied against your New Zealand tax bill.

So, while a 5% dividend yield may look attractive, the after-tax outcome may be less efficient than a similar NZ investment where imputation credits can be used.

Many people buy popular global ETFs (like those from Vanguard or BlackRock) on the ASX because they are easy to access and have low management fees.

But for Kiwis, buying a global ETF on the ASX is often less tax-efficient than buying the same exposure through a New Zealand PIE fund.

Here’s why:

• The risk of tax leakage: When you hold a global ETF via the ASX, your money can be taxed multiple times before it reaches you. You might face tax in the US (where the companies are based), then have Australian tax rules applied, and finally face New Zealand tax. This leakage can quietly eat away at your returns.
• The $50k limit: Any global ETF you buy on the ASX counts toward your personal $50,000 FIF threshold.
• The admin: If you go over that $50,000 mark, you are personally responsible for the FIF calculations and filings for those ASX holdings.

For investors who like the idea of Australian exposure, but want to minimise tax complexity and admin, NZ-based PIE funds can offer the benefits of different sector exposure and diversification without needing to manage tax calculations yourself.

Read more about building a tax-efficient investment portfolio.

For investors on a 30% or higher tax rate, holding ASX shares through a PIE fund can be worth considering. There are trade-offs, you’ll pay a management fee but a PIE fund investing in Australian equities:

• Does not make you personally responsible for FIF obligations
• Caps tax at your PIR (maximum 28%)
• Removes the need for personal tax filing on those investments

This may mean PIE structures are a more efficient option, even if headline fees appear slightly higher.

Kiwis can invest in Australian equities in a few different ways:

• Buying individual ASX shares directly (for control and flexibility)
• Using PIE funds, like the Kernel Australia 100
• Investing via ETFs (for low-cost exposure particularly for those on lower PIR)

Australian equities can play a valuable role in a Kiwi portfolio. They offer diversification, access to sectors not available locally, and strong income potential.

But the structure you choose matters.

• Direct ASX shares can be simple and flexible
• PIE funds can improve tax efficiency and reduce admin
• ASX ETFs are low-cost, but can introduce hidden tax complexity

The key is understanding how each option is treated - and choosing the approach that keeps more of your return working for you.

Read more about how Australian and New Zealand equities can fit within a global equity portfolio here.

Kernel Wealth Limited is the manager and issuer of the Kernel KiwiSaver Plan and Kernel Funds Scheme. A Product Disclosure Statement is available at Kernel Wealth | Resources & Documents. Investing involves risk including the possible loss of principal and there is no assurance that the investment will provide positive performance over any period of time. The information provided should not be relied upon as investment advice or recommendations and should not be considered specific legal, investment or tax advice.