AI stock Broadcom is smashing Nvidia. Should I buy it for my Stocks and Shares ISA?

In 2025, Broadcom stock is leaving Nvidia in the dust. Should Edward Sheldon buy the AI chip powerhouse for his ISA portfolio?

| More on:

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Young female business analyst looking at a graph chart while working from home

Image source: Getty Images

Broadcom (NASDAQ: AVGO) is one AI stock outperforming Nvidia right now. This year, it has risen about 45% – almost twice the gain of its rival.

Is this one I should buy for my Stocks and Shares ISA? Let’s take a look at the numbers.

A chip and networking powerhouse

Before we get into the financials, it’s worth providing a bit of background information on this business. Because it’s not as well known as Nvidia and other popular AI stocks.

A $1.6trn market cap technology business, Broadcom operates in two main areas. These are semiconductor solutions and infrastructure software.

In the semiconductor solutions segment, it makes chips for a range of industries. Where it’s having success right now, however, is custom AI chips (XPUs) for large technology companies.

Currently, it has four customers paying (a lot) for these custom chips. We don’t know who the most recent customer is (it may be OpenAI) but the others are believed to be Alphabet, Meta, and Bytedance.

The infrastructure software segment focuses on providing solutions for managing complex IT environments. This area of the business has grown significantly through acquisitions, including that of VMware, which was recently bought for around $70bn.

Strong momentum

Now, this company has significant momentum at the moment. Last week, it posted its earnings for the third quarter of fiscal 2025 and the numbers were impressive.

For the quarter, revenue was $15.95bn while net income was $8.4bn. These figures were up 22% and 37% year on year, respectively.

Zooming in on AI revenue, this was up 63% to $5.2bn. So clearly, the company is seeing high demand for its custom AI chips.

Looking ahead, management advised that it expects AI revenue to climb to $6.2bn this quarter. Meanwhile, next fiscal year, it expects it to grow by more than 60% thanks to high levels of spending by the four customers.

It’s worth pointing out that on the earnings call, CEO Hock Tan said he believes that in the future, XPU share at its large AI customers could be bigger than GPU share. In other words, the demand for custom chips may eventually outstrip the demand for general-purpose AI GPUs designed by the likes of Nvidia and AMD.

Note that after the earnings, a ton of analysts hiked their price targets for the stock. Loads of them have gone to $400, which is nearly 20% above the current share price.

High valuation

So, this is all very exciting. But what about the valuation?

Well I’d expect the earnings forecast to rise in the weeks ahead on the back of the company’s strong earnings and guidance. But right now, analysts expect earnings per share of $8.73 next financial year (beginning November).

That puts the stock on a forward-looking price-to-earnings (P/E) ratio of 38. That’s quite a high valuation (for reference, Nvidia trades at 26).

It’s not insanely high. But there’s some customer concentration risk here and if one of Broadcom’s customers decided to pull back on spending and earnings are disappointing, the stock could underperform given its high multiple.

My move now

Given the high valuation, I’m going to keep this stock on my watchlist for now.

I’m keen to get it into my portfolio at some stage as it’s clearly a major player in AI. I think I’ll have better buying opportunities in the months ahead, however.

Edward Sheldon has positions in Nvidia and Alphabet. The Motley Fool UK has recommended Advanced Micro Devices, Alphabet, Meta Platforms, and Nvidia. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Aston Martin DBX - rear pic of trunk
Investing Articles

There are hundreds of shares I’d rather buy than Aston Martin. Here’s why!

Aston Martin shares sell for pennies yet some of its cars can cost millions. So why doesn't this writer see…

Read more »

Young Caucasian man making doubtful face at camera
Investing Articles

3 risks to Greggs shares that could hamper a recovery

Greggs shares have a good dividend, but the price has performed weakly. Is our writer missing something by holding onto…

Read more »

ISA coins
Investing Articles

1 mighty FTSE dividend stock I’m considering for my ISA

A new ISA allowance has Paul Summers searching for strong and stable dividend stocks to add to his portfolio.

Read more »

Rolls-Royce's Pearl 10X engine series
Investing Articles

Are Rolls-Royce shares’ best days behind them?

Rolls-Royce shares have had a stellar few years. So far in 2026, though, they slightly lag the FTSE 100 blue-chip…

Read more »

A rear view of a female in a bright yellow coat walking along the historic street known as The Shambles in York, UK which is a popular tourist destination in this Yorkshire city.
Investing Articles

Buying £20k of Lloyds shares could give me an £851 income this year!

Lloyds has been one of the FTSE 100's hottest dividend growth shares in recent years. But do current risks make…

Read more »

Picturesque Cotswold village of Castle Combe, England
Investing Articles

ISA or SIPP? Some key differences to know

Ever wondered what some of the differences are between investing for retirement in a SIPP and in an ISA? Here…

Read more »

Young woman working at modern office. Technical price graph and indicator, red and green candlestick chart and stock trading computer screen background.
Investing Articles

2 world-class S&P 500 stocks down 11% and 32% to consider buying

Searching for stocks to buy for an ISA in April? Our writher thinks these excellent growth shares are worth a…

Read more »

View over Old Man Of Storr, Isle Of Skye, Scotland
Investing Articles

How much do you need in a Stocks and Shares ISA to aim for an annual income of £39,477?

Harvey Jones shows how ordinary investors can use their Stocks and Shares ISA allowance to build a generous passive income…

Read more »