10 Things You Can Do This Week to Grow Your Investment Portfolio Faster

You don't need another five-year plan. You need this week. Most portfolios grow slower than they should — not because of bad luck, and rarely because of the market. It comes down to a handful of decisions that never quite get made. Twenty-minute decisions that somehow stretch into twenty months.

Here are 10 things you can do this week to optimise and grow your investment portfolio — this could add hundreds of thousands of dollars to your net worth.

1. Look properly at what you're holding

Not a glance — a proper review. What do you actually own, why did you buy it, and has anything about your goals or your appetite for risk shifted since you last checked? If an investment isn't performing well, why is it in your portfolio?

2. Automate your next contribution

Set the transfer for the day after payday, before there's a chance to reconsider it. A modest amount invested consistently will outperform a larger one you only get to "eventually."

3. Identify one fee you shouldn't be paying

Fund fees, platform fees, account fees — they erode returns steadily, year after year, and most people couldn't tell you what they're actually paying. Go and find out. Every account, every line item.

4. Check your portfolio still matches your risk profile

Risk profiles aren't set-and-forget — they should reflect your actual timeframe, not just how you felt the day you filled out a questionnaire. For example, if you're 20 years from retirement, a balanced portfolio may be working against you rather than for you. A longer runway generally means more capacity to tolerate a higher-growth allocation in pursuit of stronger long-term returns. Worth asking honestly: does your current allocation match your timeframe, or is it more conservative than it needs to be?

5. Check how much you're holding in cash

Beyond your emergency fund and anything earmarked for a near-term goal, cash sitting idle is capital that isn't working. Plenty of people hold far more than they actually need "just in case," without ever revisiting the number. Work out what you genuinely need on hand and put the rest to work.

6. Confirm you're diversified, not simply spread out

Five funds holding the same twenty companies isn't diversification — it's administration. True diversification spans asset classes and geographies, not account numbers.

7. Know your freedom number

This is the figure that changes everything, because it's the point at which work becomes optional rather than necessary. It's simply the amount of wealth you'd need so you're no longer trading your time for money.

The quickest way to estimate it: decide how much you'd like to live on each year, in today's dollars, and multiply by 20.

Want $100,000 a year, after tax? That's a $2 million freedom number.

It's a starting figure, not a guarantee — but it's the number that lets you reverse-engineer everything else. Once you know it, every decision about saving, investing and timeframes has something concrete to work towards.

8. Review what each investment is actually returning

It's worth being honest here. Some individual stocks get bought on hype rather than strategy, then sit untouched for years while you assume they're doing their job. If your portfolio has delivered 2.5% a year for the last five years, that's worth naming plainly — is it serving the strategy, or just sitting there? Every holding should be earning its place. If it isn't moving the needle, it's worth asking why it's still there.

9. Join us at Beyond the Basics: Building Real Wealth — Saturday 12 September

A half-day wealth strategy session at the JW Marriott Hotel, Auckland (10am–2pm, with a live online option), built for people who are already earning well and want a clearer plan for turning income, property, KiwiSaver and investments into a genuine long-term strategy. This is where "I really should understand this" becomes "I understand this." If the education piece is the part you've been putting off, this is the most direct way through it. Learn more: Diamond Property and Wealth | Wealth and Investment Seminar

10. Book a portfolio review

Not a full financial plan — a proper, independent look at what you already hold. A second, qualified perspective tends to catch what's easy to miss from the inside: the fees, the gaps, the gradual drift. (Yes, we do this work for our clients.)

None of this requires a windfall or perfect timing in the market. It requires twenty minutes and the decision to act — this week, not eventually. Book a Consultation

Choose three. Begin today.

General information only, not personalised financial advice. Speak with a financial adviser about your specific situation before making investment decisions.