All You Need to Know About KiwiSaver
The comprehensive KiwiSaver guide, including all you need to know on risk, investment options, provi...

Stephen Upton
20 April 2026

Have you been sitting on the fence as to whether you should switch KiwiSaver providers or not? Or maybe you’ve recently heard of Kernel and you’re wondering whether the Kernel KiwiSaver Plan is suitable for you?
Look no further because we’ll be answering all those questions.
The Kernel KiwiSaver Plan is suitable for investors across many investment horizons. Whether you’ve just joined the workforce or have used your KiwiSaver balance to purchase your first home and have 30+ years until retirement, or you’re in your early 50s inching closer to retirement. The Kernel KiwiSaver Plan can be adapted to suit your needs.
Our diversified funds can be a great starting point for many Kiwis. If you’re new to Kernel or are looking for a catch-all, well diversified fund there are fund options to suit short, medium, and long-term timeframes.
Depending on your personal preference, one of these funds can be all you need. They can also be a great way to keep your KiwiSaver account nice and simple.
Digging into the details, here is a breakdown of each fund.
The High Growth Fund is comprised of 98+% holdings in equities. Comparatively, you have Growth funds where 20–25% of their holdings are in non-growth assets such as bonds and/or cash.
Being primarily growth assets, the Kernel High Growth Fund can be more susceptible to short-term fluctuations, yet it can have greater long-term growth potential.
The single fund is a combination of Kernel funds: NZ 20 Fund, S&P Global 100 (NZD Hedged) Fund, S&P Global 100 (NZD Hedged) Fund, World ex-US (NZD Hedged) Fund, S&P 500 (Unhedged) Fund, Global Infrastructure (NZD Hedged) Fund, Emerging Markets Fund, Australia 100 Fund, Global Property (NZD Hedged) Fund, NZ Small & Mid Cap Opportunities Fund, and the Kernel Cash Plus Fund. The Corresponding target proportions are shown in the table below:
Fund | Target Proportions |
|---|---|
NZ 20 Fund | 17.98% |
S&P Global 100 (NZD Hedged) Fund | 16.62% |
S&P Global 100 Fund | 16.54% |
S&P 500 (Unhedged) Fund | 12.56% |
World ex-US (NZD Hedged) Fund | 12.55% |
Global Infrastructure (NZD Hedged) Fund | 7.58% |
Emerging Markets Fund | 7.00% |
Australia 100 Fund | 4.02% |
Global Property (NZD Hedged) Fund | 2.37% |
NZ Small & Mid Cap Opportunities | 1.95% |
Cash Plus Fund | 0.84% |
Cash and Cash Equivalents | 0.00% |
As at 30 June 2026
This target asset allocation reflects both the industry norm and Kernel’s views on:
We review this annually but don’t expect or believe in large asset allocation shifts.
The Kernel Balanced Fund is designed to provide investors with a diversified exposure to primarily growth assets, with some allocation to income assets.
For those with medium time horizons (3-5 years), the key benefit gained by adding income assets is an intention to reduce volatility and stabilise performance. However, this may come at the expense of long term expected returns.
The fund targets a 60/40 split between growth assets and income assets, respectively. The 60% growth asset allocation is invested in the Kernel High Growth Fund. Whereas the 40% income asset allocation is a mix of cash, bonds, and cash equivalent assets.
Unlike many of our other funds which systematically aim to track an index, the income asset portion of this fund is actively managed by our Portfolio Manager. Below are the corresponding weightings across its investments:
Fund/ Asset Class | Target Proportions |
|---|---|
NZ Bond Fund | 22.88% |
NZ 20 Fund | 11.90% |
US Bond Fund | 8.70% |
S&P Global 100 (NZD Hedged) Fund | 8.99% |
S&P Global 100 Fund | 8.96% |
Global Infrastructure (NZD Hedged) Fund | 7.39% |
World ex-US (NZD Hedged) Fund | 7.08% |
S&P 500 (Unhedged) Fund | 7.13% |
Directly-held Fixed Income | 6.57% |
Emerging Markets Fund | 3.60% |
Global Property (NZD Hedged) Fund | 2.54% |
Australia 100 Fund | 2.53% |
Cash Plus Fund | 1.09% |
Cash and Cash Equivalents | 0.38% |
March 2027 NZ Bond Fund | 0.15% |
March 2029 NZ Bond Fund | 0.10% |
As at 30 June 2026
The Kernel Conservative Fund is designed to provide investors with diversified exposure to primarily income assets, alongside a smaller allocation to growth assets.
For those with shorter-to-medium investment time horizons (3-7 years), the key benefit of including income assets is an intention to reduce volatility and help stabilise performance. However, this may come at the expense of long-term expected returns.
The fund targets an allocation of 30% shares and 70% cash and bonds. The growth component provides exposure to shares, while the larger income allocation is invested across fixed-income assets - including bonds, cash, and cash-equivalent investments - to help moderate volatility.
Designed for lower-risk investors, the fund seeks to support capital preservation and income while maintaining diversified exposure across asset classes.
Unlike Kernel’s index-tracking funds, the income asset portion of the fund is actively managed by Kernel’s Portfolio Manager. The fund’s underlying holdings therefore include a mix of cash deposits, New Zealand government bonds, and global fixed-income investments. Below are the corresponding weightings across its investments:
Fund/ Asset Class | Target Proportions |
|---|---|
NZ Bond Fund | 43.75% |
US Bond Fund | 13.14% |
Cash Plus Fund | 12.95% |
Global Infrastructure (NZD Hedged) Fund | 7.42% |
NZ 20 Fund | 6.07% |
S&P Global 100 (NZD Hedged) Fund | 4.03% |
S&P Global 100 Fund | 3.92% |
S&P 500 (Unhedged) Fund | 3.06% |
World ex-US (NZD Hedged) Fund | 3.04% |
Global Property (NZD Hedged) Fund | 2.56% |
Cash and Cash Equivalents | 0.07% |
Directly-held Fixed Income | 0.00% |
As at June 2026
This fund is a portfolio of cash and cash equivalent investments. These investments include assets such as on-call saving accounts at banks, term deposits, short-dated bonds (usually with less than a year to maturity) and other fixed-income assets typically with large organisations (such as NZ Banks, IRD, Spark, Fonterra, Genesis, etc.).
While cash and cash equivalent assets offer a lower expected rate of return, they also minimise the risk of the value of your money declining. When it comes to reaching your short-term goals, the protection of your investment balance is often a more important feature than a chance of greater growth.
This fund may be suitable for investors who are working towards their short-term goals in the next 3 years, such as a first home purchase.
The Kernel Cash Plus Fund is also actively managed by our Portfolio Manager. The graph below shows how your money is invested across different issuers, asset types and credit quality.
This shows the credit rating of the fund’s holdings, which is measured by a credit rating scale. To be considered “investment-grade” the asset will need a minimum credit rating of BBB as assessed by one of the three major global credit ratings agencies: S&P, Fitch or Moodys.
The rating reflects the assessed risk, with AA being rated higher quality than A and A being higher than BBB, all the way to C.
Assets rated BBB or better are perceived to have a relatively low risk of not paying back their obligations.

As at 30 June 2026
This shows the allocation of the portfolio by the type of issuer. An issuer is an entity that develops, registers and sells securities, such as bonds, to finance its operations (e.g., Central and local government, NZ banks and large corporations).

As at 30 June 2026
This shows the allocation of the portfolio by type of instrument. An instrument is a real or virtual document representing a legal agreement involving any kind of monetary value.

As at 30 June 2026
If you’re a seasoned investor who is looking for a more customised option, you can choose to create a custom Kernel KiwiSaver Plan using a mixture of the Kernel funds.
With our range of 25+ funds, you can shape your plan to be in favour of specific asset types, themes, or sectors.
This option can be especially suitable for those with an interest in sustainability. Customising your KiwiSaver account lets you upweight the asset allocation to ESG and climate-friendly investments (such as the Global ESG Fund).
With the Kernel KiwiSaver Plan, the only fee you pay is the fund’s management fee, regardless of your balance.
Our annual fund management fee is 0.25% p.a. for all our core funds available in the Kernel KiwiSaver Plan funds except our specialty funds - Emerging Markets, NZ Bond Fund, S&P Global Clean Energy, and US Bond Fund – where the annual management fee is custom.
Please note: No member fee applies to the Kernel KiwiSaver Plan.
When a KiwiSaver balance of $10,000 is invested in one core fund (or any mix of core funds), an annual management fee of 0.25%, or $25 per year, will be incurred.
For a KiwiSaver balance of $30,000, the same management fee is equivalent to $75 per year.
The fees paid are all-inclusive.
If you were to invest your KiwiSaver balance of $10,000 into a mix of our core and specialty funds, the fees will vary depending on the fund you invested in.
So, let’s say the $10,000 KiwiSaver balance was split 50/50 between two funds – the Global 100 Fund and the S&P Global Clean Energy Fund. Meaning $5,000 invested in each.
The annual management fee charged on $5,000 invested in the Global 100 Fund would be 0.25%, while the annual management fee charged on the S&P Global Clean Energy Fund would be 0.45%.
This would therefore equate to:
It’s important to note that as the share markets move, your investment balance will too and fees are deducted in daily increments within the fund.
While you get charged a fixed percentage fee, the end dollar cost will vary as your investment balance changes. The examples above are simplified to give the context of the cost.
It's important to keep an eye on the cost efficiency of your KiwiSaver account – hidden costs such as those generated from frequent buying and selling decisions in actively managed funds.
As we follow an index investing strategy with most of our funds, we’re able to reduce our costs and improve our cost efficiencies. You can read more here.
Whilst both fees and cost efficiencies related to investment funds and KiwiSaver are important to consider, we’re also advocates for ensuring you’re choosing investment options based on their merits as well. Plus of course, they align with your investment horizon and financial goals.
The Kernel KiwiSaver Plan is available for you to join or transfer your KiwiSaver balance to.
Simply set up a Kernel account here and ensure you have fully verified your account. Then navigate to the ‘KiwiSaver’ tab within your dashboard where you can opt to transfer your KiwiSaver balance over to Kernel.
Joining KiwiSaver for the first time? Read more about getting set up here.
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Indices provided by: S&P Dow Jones Indices