Seventeen-year-old Sophia Castiblanco doesn’t just drive a Tesla . She also owns shares of the company .
Sophia, a high school junior in the Chicago suburbs, invests in stocks such as Tesla, Apple and Amazon.com. When she started making money as a social-media content creator three years ago, her parents encouraged her to put some of her earnings in investments likely to grow over time, rather than parking all her cash in a savings account .
She now has several thousand dollars invested in accounts set up by her father at Charles Schwab, Edward Jones and Robinhood . Last year, she saved up money to buy a new Tesla Model 3, which starts at around $40,000, through a payment plan she is splitting with her parents. On TikTok, Instagram and YouTube, she makes videos teaching her thousands of followers about investing basics.
“I’ve always had a business mindset of wanting to make money, and I’m very OK with taking risk,” Sophia said. “There’s really no minimum age to start.”
Sophia is one of many teenagers jumping into the U.S. stock market. Teens generally can’t open their own brokerage accounts until they turn 18, but adults can set up custodial accounts for minors. The accounts are turned over to the children when they reach legal age.
Custodial accounts for teens at Schwab totalled nearly 200,000 in 2022, up from about 120,000 in 2019, according to the company. They jumped above 300,000 in 2023, thanks in part to Schwab’s integration of TD Ameritrade. Other brokerages, including Vanguard, Fidelity and Morgan Stanley’s E*Trade, also reported a surge in custodial accounts in recent years.
Some teens ask their parents to open accounts—and share the login information—at brokerages such as Robinhood that don’t offer custodial accounts. At smaller financial apps such as Greenlight, teenagers are investing more money than ever before. They invested $20 million in 2023 using the Greenlight app, up from around $10 million in 2021.
A Fidelity study on teens and money recently estimated that about a quarter of teenagers in the U.S. have started investing, based on an online survey of 2,081 respondents ages 13 to 17. Trades placed using Fidelity’s Youth app, an account opened by parents but owned by teens, jumped in the fourth quarter.
Many teenagers opened up their accounts during winter break while off from school, said Kelly Lannan, a senior vice president at Fidelity.
The boom in teen trading is part of a wider rush to financial markets among Americans since the start of the Covid-19 pandemic. Stocks rocketed higher , drawing hordes of newbie investors trying to profit from the big gains.
Many of those new investors have since ditched the meme stocks that soared during that era but have remained invested, sending the share of Americans who own stocks to an all-time high.
Stocks are back at record levels, with the Dow Jones Industrial Average recently topping 38000 and the S&P 500 eclipsing 5000 for the first time. Since the start of 2020, when an unprecedented trading boom among rookie investors kicked off, the S&P 500 has soared around 55%.
“There’s just more and more awareness that the sooner you start, the better things are,” said James Martielli, head of investment and trading services at Vanguard.
Martielli said he opened custodial accounts for his three children more than a decade ago when they were toddlers. At Vanguard, there has been a jump in custodial IRAs, a type of retirement account.
The biggest advantage is time. Setting aside $10 a week for a child at birth would leave an 18-year-old with a roughly $20,000 nest egg, assuming an 8% annual return, according to the investing app Stash, which offers custodial accounts. Left until the investor turned 70, and assuming annual growth of 8%, that sum would mushroom to about $1 million.
Of course, these returns can be shaped by many factors, including when an investor buys in and how stocks end up doing. The S&P 500 has recorded a 10% annualised total return over the past three decades, according to Dow Jones Market Data through the end of 2023. Buying an S&P 500 index fund at the peak of the dot-com bubble in 2000 would generate an annualised total return of around 7%, while buying at the low of the financial crisis in 2009 would lead to a roughly 16% annualised total return.
Hot tech stocks
Brokerage executives say that technology behemoths that are ubiquitous in the lives of teens are often some of the most widely held shares. At Vanguard, U.S. stock index funds are particularly popular in custodial accounts.
Mahanth Komuravelli, 16, has a small chunk of his roughly $7,000 portfolio in an S&P 500 index fund, while most of his positions are in big companies such as Amazon and Advanced Micro Devices. He is exploring buying some small-cap stocks such as education company Chegg . Mahanth uses a Fidelity Youth Account that his father helped him open. The two often discuss investment ideas.
“Sometimes he asks me for advice,” said Mahanth, a high school junior in Edison, N.J.
Kaida Benes, a 13-year-old from the suburbs of Minneapolis, has been stashing money—earned from household chores such as doing the dishes or cleaning the bathroom—in an investment account on Greenlight that now has about $1,000 in it.
She’s also been drawn to bigger companies and has invested in tech stocks such as Apple, Alphabet and streaming companies Disney and Netflix . At times, she has been on edge about potential losses. She says her mother has helped her stomach the volatility.
“Stocks go up and down. It’s fine, it just happens,” Kaida said she’s learned.
She has been hunting for other opportunities to make money to pour into savings or investments. She recently found a recliner chair at a yard sale and enlisted her parents to help fix it up and flip it for a profit on Facebook marketplace, she and her mother, Renee Benes, said.
“I like having money,” Kaida said.
Renee Benes said she was frustrated that she didn’t learn about investing until a year or two ago, when she was well into her 30s. Benes, who’s an online influencer, wanted her daughter and son to be more financially savvy.
Lessons learned
Many young investors are starting to invest earlier than previous generations did. Almost two-thirds of Gen Z investors said they first started learning about investing in high school or middle school, compared with about 38% of millennials in a 2023 Bank of America survey of affluent individuals. Some are introduced to stocks through family members or teachers, while others have turned to social media.
Felix Peng, a 17-year-old in the Los Angeles area, said he has learned a lot about investing from YouTube and Instagram—but that some social-media stars promote riskier trading strategies that seem more like gambling. He said it is a red flag when influencers try to sell expensive trading courses that promise investors they will make a lot of money quickly.
Still, Felix believes it is beneficial for young people to learn from their mistakes when they have less money to lose. His investments in Apple, Meta Platforms and Alphabet have performed well. But when he bought shares of Teladoc around their peak and watched them tumble, he saw how tough it is to time the market. He has about $1,000 in a custodial account on Stockpile, an investing app geared toward parents and children.
“It’s a great lesson and I’m glad I learned,” Felix said.
Seventeen-year-old Rachael Kim in Orange County, Calif., traded shares of AMC Entertainment Holdings during the meme-stock era and said she made a roughly 300% profit.
“For a little while, I got addicted to that adrenaline,” Rachael said of day trading. “But as I began researching more, I realised it was highly unlikely to continue that aggressive profit.”
Rachael said she started studying investing to help her parents, who are immigrants, prepare for retirement. Now she regularly invests about half of the money she makes—from creating social-media content, working as a cashier and teaching at her church—in index funds tracking the S&P 500 and tech-heavy Nasdaq-100. She has about $10,000 in her custodial Roth IRA at Fidelity.
“Since we’re young, we have the privilege of seeing our investment compound,” Rachael said. “The biggest lesson would be to start early.”
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Victorian auction buyers will soon receive a piece of information that has traditionally been withheld until bidding reaches it: the vendor’s reserve price. Under new property-sale and underquoting laws, agents must publish the agreed reserve at least seven days before an auction or fixed-date sale. Most changes begin on 1 October 2026 and apply to …
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From early financial mistakes to hard-earned habits, five high-performing leaders share how they spend, invest and think about wealth.
Five minutes doesn’t sound like much. But it’s enough time to tell whether someone really understands money or just talks about it. Because once the gloss is stripped away, what’s left is instinct. The early mistakes. The bad calls. The quiet pivots that no one brags about but shape everything that follows. Making money is one thing. Living with it, and not mishandling it, is another. Here, five executives talk about what they got wrong, what they’ve learned, and how they now actually spend, invest and think about wealth.
Andrew Raso: Founder, Online Marketing Gurus

Self-made millionaire Andrew Raso grew up in an ethnic household with a father in construction. Investing was not a priority, he recalls.
The co-founder and CEO of Online Marketing Gurus, a digital marketing platform that generated more than $30 million in revenue in the 204/25 financial year, admits he’s had to learn about handling money as his wealth has grown.
“If I had my time again, I would change my spending habits and would probably be a lot more wealthy as a result,” the Sydneysider tells Kanebridge Quarterly.
Raso, in his mid-30s, says that his biggest lessons have come from his losses.
Buying the wrong property and copping the losses upon sale. Feeling FOMO when buying crypto and making a purchase that lost money.
“I’ve learned a lot from the errors that I’ve made,” he says.
Raso admits that he gets more of a thrill out of working than watching money hit his bank account.
“I’ve had the cars, I’ve had the property, I’ve had the watches. Once you’ve had them, they’re not that exciting, but the process of earning money is pretty cool.”
What he won’t forget is being $45 million in property debt a few years ago.
“I’d never want to be in that position again,” he says.
“My investing strategy is a lot safer these days. I’m very cautious. I’d prefer to invest in things that don’t take as long to be realised so my family can be financially secure.
“Once you have a house paid off and a few investments, it then becomes about enjoying your money, rather than hoarding it. Giving back gives me a much bigger kick than spending these days.”
Daniel Wessels: CEO, Jacaranda Finance

Fintech founder Daniel Wessels knows only too well that money remains a taboo topic in Australia with many people.
He points to consumer surveys that reveal people are more likely to talk about their sex life with friends than their finances.
It’s a major concern for the man who founded Jacaranda Finance in 2013, which has helped countless people lift their credit scores and get their finances back on track.
“If people aren’t learning money habits at school and they aren’t discussing it with their friends, learning new strategies and better habits is difficult,” says Wessels, who is based in Brisbane.
He wants to see more people take the time to proactively understand where and why they are spending money.
“Everyone needs to have a financial strategy and a plan to measure if it’s working,” he says.
The father of two young children admits his week can be pretty fast-paced. Pomodoro clocks, sleep optimisation techniques and saying ‘no’ keep him on task during the week.
“I used to think I was fairly decent at managing time, but the whole game changed when we had kids,” he says.
“Now, I’ve got to get out of the house at a certain time and leave the office at a certain time for daycare pickup. I’ve got to be really specific about my tasks to maximise my week.”
Before he had a family, he loved heading out to one of the trendy new restaurants popping up in Brisbane.
But that happens less these days. He’s saving to build his forever home but admits that price rises have resulted in rising costs.
“It’s such a big project with so many variables that change quickly,” he says.
These days, Wessels likes to optimise his professional and personal life. “With only a finite amount of money, time and energy, you’ve got to be really good at deciding what you want to be good at,” he says.
He calls this ruthless prioritisation. He has a very specific focus on activities that prioritise health and wealth, adding experiences into the mix more recently. This has meant the addition of micro-holidays to his annual calendar.
Wessels works with a couple of financial advisers. That said, he also does his own due diligence before agreeing to investments.
“One likes private equity investments that pay cash every month and another prefers to focus on the NASDAQ Stock Exchange for buying shares because he’s bullish about that.” he says. “They’re each experts and really good at what they do.”
Jim Penman: CEO, Jim’s Group

He may have invested a lifetime building a franchise juggernaut that is reportedly a $1 billion a year empire, but Jim Penman insists he’s a frugal guy who prefers to spend time planting a tree in his garden than contemplating his wealth.
What started out as Jim’s Mowing back in 1989 became Jim’s Group. Today, there are 5,700 franchisees across Australia and New Zealand in the business that has become ubiquitous for being the local handyman company that households could rely on.
He may have built a successful business empire, but the Melburnian insists he’s stingy when it comes to money.
“I wear my clothes even today until they wear out. I’ve always had a very lean and mean attitude. I live a simple life. My personal needs are very modest and my finances are simple,” he says. Jim reveals he’s usually in his garden these days and rarely eats out or takes holidays.
He is also running for state politics in the November Victorian election.
“I’m not particularly money focused. I could tweak the franchise contract to put more fees in and double my profitability, but that’s not my goal or my aim. To be honest, I often make decisions that go against my financial self-interest,” he says.
Jim purchased his first brand new car three years ago, opting for an electric Volvo.
“Being rich is not my aim and it never has been. People think I’m a lot richer than I am. They think I’m a billionaire, which is kind of ridiculous,” he says.
In fact, he insists he carries debt, which is common for anyone in business. “If I wanted, I could pay it off in 18 months.”
While his competitors were spending on fancy office space, Penman was running his franchise from his basement, keeping business costs low. “When I started out, I didn’t have any concept of how big this business could be. But there has never been a plan to grow franchisee numbers.
“Our attrition rate is far more important, and how to reduce complaint rates and drive more enquiries through new software.”
He believes people these days worry too much about impressing others, which leads to spending on superficial things.
“I would rather than offer people advice on how to be happy, rather than how to become rich. It’s important to have a good income so you can support yourself. But life is more about purpose.”
Jim doesn’t bother with stocks or bonds. He only invests in his own business. “My rate of return on my business is substantial. I could buy back a regional franchise when they come on the market and get a 20-25 per cent annual rate of return, plus capital gains. There’s nothing like that available in the investment space.”
Nicola Beswick: Founder, White Rabbit Advisory

Rabbit Advisory founder.
A clothing allowance provided by her parents and then a part-time job during high school was the first taste of financial freedom for Nicola Beswick.
She quickly became a spender rather than saver, but she’s changed her tune over the years.
The founder of financial advice firm White Rabbit Advisory left behind a successful career in intellectual property law a year ago to become a financial adviser because she realised the potential that financial education could have on someone’s life.
Her journey began after coming across the book Rich Dad Poor Dad some years ago, which opened her eyes to the power that money could have on her life. This marked a time when she became serious about her finances.
“Financial education and investing over time can have a huge impact on a person, and that book got me thinking about money and financial education in the first place,” she says.
Nicola says years ago, her father was diagnosed with multiple sclerosis. When dealing with the devastating news and an uncertain future, her father discovered he was eligible to receive an income protection payout.
“This was the stone that rippled his pond and mine. A new complex world of finance opened up and I discovered my calling – helping people plan for a financially secure future.”
She hasn’t looked back. “Commercial law was very transactional. I don’t regret quitting at all. I’m much happier now helping people get their finances in order. Financial planning helps people change their lives. That was a really big driver for me.”
The Melburnian admits she’s learned plenty of lessons along the way as she embarks on the process of building wealth. She uses superannuation as an investment vehicle, favouring its tax advantages.
“I also built a nest egg outside of super, because you never know when the rules will change,” she says.
She prefers to set a financial goal and save up for something specific over time than rush out and make a purchase.
“It’s a really powerful thing to wait before making a purchase,” she says.
Her current financial goals involve renovating her heritage-listed home. “We will keep the façade and gut it to rebuild. That’s a major expense for us on the horizon.”
While holidays are rare, she will spend on overseas trips on occasion. “I’m terrible at taking time off. I’m always working.”
Sam Riley: CEO, Drova

Sam Riley was in his 20s when he set out to amass enough money to be able to retire by the age of 40 if he wanted to.
“The goal was always to be doing something by 40 that kept me engaged enough that I didn’t actually want to retire because I was happy,” he says.
An entrepreneur at heart, Sam started a juice and espresso bar when he was 21, which didn’t work out. His next venture was a technology business, Ansarada, an ASX-listed company he ultimately sold nearly two years ago for $250 million.
The sale set him up for life, but he’s not one to rest on his laurels, launching into the complex world of artificial ntelligence with his next technology play, a company called Drova.
The technology startup simplifies risk, compliance and resilience for small businesses. Sam believes it’s got potential to become a tech juggernaut in time.
Having early financial success has meant he has the luxury of slow mornings and working in short bursts throughout the day, problem solving, experimenting with what works and figuring out how to harness AI.
“I favour a more sustainable approach to working these days. More frequent breaks. Making sure not to deteriorate my capacity,” he says.
It was a hard slog. He admits he touched the fringes of serious burnout when he was younger, which he works hard to avoid these days.
“Every business venture has exposed a gap in my skills that I’ve worked to close. Whether that’s marketing or managing people, closing those gaps along the way is how you get more effective at generating wealth,” he says.
The secret to his success has been finding ways to bolster value in the corporate world, finding ways to bring more to the table. Sam admits he spends too much money on travel, food and niche vinyl audio equipment, like turntables. He prefers to invest in experiences rather than things.
But it can get expensive. Like a recent trip to Antarctica to stay in a lodge for a week. “The thing is I didn’t like having these experiences on my own, so I have to bring family or other people and then pay for them.”
Sam describes his investment portfolio as balanced. While he continues to invest in entrepreneurial ventures, he admits he has a safe foundational platform to his investment approach.
“Over the years, I’ve added a lot more dividend stocks and protective assets like gold and silver, and some index funds.
“When I was younger, I didn’t appreciate the value of being safe and boring in the investment world.”
He says a lot of his investments used to be leading edge and visionary. “Some of them work, and some of them don’t. I didn’t really have much balance in my portfolio. I still invest in entrepreneurial things, but am much more conscious of taking a more even-handed approach,” he says.
This article appeared in the Winter 26 issue of Kanebridge Quarterly, which you can buy here.
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