Investing in solid growth stocks is a surefire way to boost your wealth and better prepare yourself for retirement.
These companies can continue to grow their profits and free cash flow over the years or even decades, with their share prices rising in tandem.
Hence, the astute investor who holds these companies over the long term can benefit from steady capital appreciation.
It’s essential to select stocks with a solid growth track record and catalysts that can propel the business to the next level.
Here are four US growth stocks that fit the bill.
Zscaler (NASDAQ: ZS)
Zscaler is a cybersecurity company that operates its Zero Trust Exchange platform, protecting customers from data breaches and cyberattacks.
This platform is distributed across 160 data centres globally and is the world’s largest in-line security platform.
For the first nine months of fiscal 2025 (9M FY2025) ending 30 April 2025, revenue rose 24.1% year on year to US$1.95 billion.
Zscaler’s gross profit increased by almost 23% year on year to US$1.51 billion.
The cybersecurity firm also generated a positive free cash flow of US$554.8 million for 9M FY2025, 23.7% higher than a year ago.
Calculated billings grew 25% year on year to US$784.5 million, implying steadily higher revenue for the company.
Zscaler’s customers are also spending more.
Those with US$100,000 or more in annual recurring revenue (ARR) increased from 2,432 in the third quarter of fiscal 2023 (3Q FY2023) to 3,363 by 3Q FY2025.
Over the same period, customers with US$1 million or more in ARR shot up from 400 to 642.
Earlier in August, the company concluded the acquisition of Red Canary and will integrate the latter’s agentic AI technology into Zscaler’s platform.
Together, both companies will deliver a more comprehensive cybersecurity solution for clients.
Elsewhere, Zscaler also expanded its partnership with peer Crowdstrike (NASDAQ: CRWD) to strengthen AI-driven security operations.
This partnership will deliver enhanced protection across endpoints, users, and workloads.
Coursera (NYSE: COUR)
Coursera is one of the largest online learning platforms in the world, with 183 million registered users as of 30 June 2025.
The company partners with more than 350 leading universities and industry partners to deliver a wide slate of content, courses, and credentials.
For the first half of 2025 (1H 2025), Coursera delivered a commendable financial performance with revenue rising 8% year on year to US$366.4 million.
Gross profit improved by 11.6% year on year to US$200.6 million, with gross margin expanding from 52.9% to 54.7%.
The education provider also churned out a positive free cash flow of US$53.9 million, 53.6% higher than a year ago.
For the latest quarter, new registered learners came in at 7.5 million, higher than the prior year’s 6.6 million, with the net retention rate for paid enterprise customers staying high at 93%.
For 2025, Coursera projects that revenue will be in the range of US$738 million to US$746 million.
At the midpoint, this represents a year-on-year growth of 6.8%.
PayPal (NASDAQ: PYPL)
PayPal operates a global online payment system and is a financial technology company that allows users to send, receive, and manage their money electronically.
For 1H 2025, revenue inched up 3.2% year on year to US$16.1 billion while operating profit climbed 21.7% year on year to US$3 billion.
Net profit stood at US$2.5 billion, 26.4% higher than a year ago.
Free cash flow, however, tumbled 47% year on year to US$1.66 billion for 1H 2025.
Despite this, PayPal posted healthy, all-around growth for the second quarter of 2025 (2Q 2025).
Total payment volume (TPV) rose 6% year on year to US$443.5 billion, an acceleration from the previous quarter (i.e. 1Q 2025).
Monthly active accounts saw a 2% year-on-year increase to 226 million, while the number of payment transactions (excluding unbranded card processing) rose 6% year on year to 3.9 billion.
The company’s initiatives are gaining traction as both the PayPal and Venmo brands gain recognition and scale with new ways for customers to pay.
Revenue guidance for 2025 was raised to US$15.35 billion to US$15.5 billion, representing 5% to 6% year-on-year growth.
Earnings per share also saw an upgrade, going from a range of US$4.80 to US$4.95, to US$4.90 to US$5.05.
MongoDB (NASDAQ: MDB)
MongoDB operates a cloud platform that offers integrated capabilities for operational data, search, real-time analytics, and AI-powered retrieval.
The company’s document-oriented data model allows for flexibility in managing different data types, making it attractive to a wide range of organisations.
For the first quarter of fiscal 2026 (1Q FY2026) ending 30 April 2025, the company reported revenue of US$531.5 million, up nearly 22% year on year.
Gross profit increased by 19.2% year on year to US$391 million, with gross margin coming in high at 71.2%.
The database company also generated a positive free cash flow of US$108.3 million, 72% higher than a year ago.
MongoDB added 2,600 customers during the quarter, bringing its total customer count to over 57,100 as of 30 April 2025.
The company also announced an increase in its share repurchase programme of an additional US$800 million, bringing its total authorisation to US$1 billion.
Earlier this month, MongoDB announced a range of product innovations that make it easier and faster for customers to build accurate and reliable AI applications at scale.
These innovations should endear its customers strongly to its product and also help to attract new customers into the company’s fold.
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Disclosure: Royston does not own shares in any of the companies mentioned.
