Building an ASX share portfolio from scratch? Here's my game plan

Don't chase hype, but balance ETFs, defensives, and growth leaders.

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Wouldn't it be nice to start again and build an ASX share portfolio from scratch?

No legacy holdings. No past mistakes. Just a clean slate and all the experience you've gained along the way.

If I had to build an ASX share portfolio from scratch today, I wouldn't rush into stock picking. I'd start with a solid foundation, then layer in quality and growth.

Two boys looking at each other while standing by the start line with two schoolgirls.

Image source: Getty Images

Start with ETFs

First, I'd allocate around 35% to broad, low-cost ETFs. Why? Instant diversification. Lower risk. Less guesswork.

One core holding would be Vanguard Australian Shares ETF (ASX: VAS). It tracks a broad index of ASX shares, giving exposure to banks, miners, and industrials. Top holdings include Commonwealth Bank of Australia (ASX: CBA) and BHP Group Ltd (ASX: BHP).

To balance that, I'd add global exposure through iShares S&P 500 ETF (ASX: IVV). This ETF gives access to the world's largest companies, including Apple Inc (NASDAQ: AAPL) and Nvidia Corp (NASDAQ: NVDA).

Together, these ETFs create a strong base. You're exposed to both local income and global growth.

Add defensive income

Next, I'd layer in defensive, dividend-paying stocks in my ASX share portfolio. These provide stability and a consistent income.

Telstra Group Ltd (ASX: TLS) is a classic choice. It offers essential services, resilient earnings, and fully-franked dividends. Demand for connectivity doesn't disappear in tough times.

Then there's ASX share Transurban Group (ASX: TCL). Its toll road assets generate steady, long-term cash flows. It is infrastructure investors can rely on.

These types of businesses won't always deliver explosive growth. But they help smooth out volatility — and keep income flowing. I would allocate 30% of my funds to defensive ASX shares.

Build around growth leaders

Finally, I'd allocate the remaining 35% to high-quality ASX growth shares. These are market leaders with strong tailwinds.

CSL Ltd (ASX: CSL) would be high on the list. It's a global biotech leader with a long track record of innovation and earnings growth.

And I'd add NextDC Ltd (ASX: NXT). This ASX share is riding the surge in data demand, cloud computing, and AI infrastructure.

These companies aren't the cheapest. But they have scale, competitive advantages, and long runways for growth.

Foolish bottom line

Building an ASX share portfolio from scratch isn't about chasing the hottest stock.

It's about balance. Start with ETFs for diversification. Add defensives for stability and income. Then layer in growth leaders to drive long-term returns.

Get that mix right, and you give yourself the best chance of compounding wealth. No matter what the market throws at you.

Motley Fool contributor Marc Van Dinther has positions in BHP Group. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has positions in and has recommended Apple, CSL, Nvidia, Transurban Group, and iShares S&P 500 ETF and is short shares of Apple. The Motley Fool Australia has positions in and has recommended Telstra Group and Transurban Group. The Motley Fool Australia has recommended Apple, BHP Group, CSL, Nvidia, and iShares S&P 500 ETF. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

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