The US market is fertile ground for growth investors seeking strong growth stocks to add to their portfolios.
Both the New York Stock Exchange and NASDAQ provide a wide variety of stocks in numerous sectors that investors can choose from.
These growth stocks can lift the value of your portfolio over time, thus better preparing you for retirement.
Here are four US stocks that are demonstrating healthy growth and could deserve a place within your portfolio.
Block (NYSE: XYZ)
Block is a financial technology company that provides services such as payment processing, point-of-sale systems, and other financial services for consumers and businesses.
For the first half of 2025 (1H 2025), gross profit rose 11.5% year on year to US$4.8 billion.
Operating profit shot up 46.2% year on year to US$813.6 million while net profit increased 9.2% year on year to US$728.3 million.
The business also generated a positive free cash flow of US$444.5 million for the half year.
Square, Block’s point-of-sale system, saw gross payment value (GPV) rise 10% year on year to US$64.2 billion for the second quarter of 2025 (2Q 2025).
Its Cash App segment saw inflows of US$76.4 billion for the same quarter, up 8% year on year.
Block introduced Pools in July, a new P2P product that helps customers share group expenses with their communities.
The plan is to expand access to this service to people who are not using Cash App yet.
In the same month, the company also launched data-driven cash advances in the UK, allowing businesses to have access to simple funding to grow their businesses and keep operations running smoothly.
Twilio (NYSE: TWLO)
Twilio operates a customer engagement platform (CEP) to build personalised relationships with its customers.
Its platform allows companies to use communications and data to add intelligence and security to their customer journey across the customer lifecycle.
For 2Q 2025, Twilio reported revenue of US$1.2 billion, up 13.5% year on year.
Operating profit stood at US$37 million, a reversal from the previous year’s net loss of US$19 million.
Net profit came in at US$22.4 million, also a turnaround from the prior year’s US$31.9 million.
For 1H 2025, the business generated a positive free cash flow of US$441.8 million, almost 18% higher than a year ago.
The company saw an increase in active customer accounts from 316,000 a year ago to 349,000 as of 30 June 2025.
Some of Twilio’s customer wins during the quarter include the second multi-year, eight-figure email deal with a leading software-as-a-service marketing automation platform.
The business expects revenue growth of around 10% to 11% year on year for 2025, with free cash flow in the range of US$875 million to US$900 million.
Just last month, Twilio announced that Fresha, a booking platform for the beauty and wellness industry, is adopting the company’s Rich Communication Services (RCS) messaging, which is powered by both Twilio and Google.
Spotify (NYSE: SPOT)
Spotify provides a digital music and video streaming service that offers users access to millions of songs and other content on its platform.
For 2Q 2025, the company’s revenue grew 10.1% year on year to €4.2 billion.
Operating profit surged 52.6% year on year to €406 million.
However, higher finance costs caused Spotify to report a net loss of €86 million for the quarter, reversing last year’s net profit of €274 million.
Despite the loss, Spotify saw free cash flow for 2Q 2025 climb 42.7% year on year to €699 million.
The company saw total monthly active users rise 11% year on year to 696 million, continuing a healthy trend of increases.
In particular, premium subscriber numbers increased by 12% year on year to 276 million, helping to drive top-line growth for the company.
Earlier this month, Spotify implemented a price increase for its premium service, increasing the billing rate from €10.99 per month to €11.99 per month.
Autodesk (NASDAQ: ADSK)
Autodesk offers a design and make platform that uses data to provide insights and automate processes.
Its software is used by designers, engineers, and builders to help design and make almost anything.
For its first quarter of fiscal 2026 (1Q FY2026) ending 30 April 2025, net revenue grew 15.2% year on year to US$1.6 billion.
Operating profit excluding restructuring charges increased by 13% year on year to US$338 million.
Net profit minus exceptional items inched up 2% year on year to US$257 million.
Free cash flow climbed 21.2% year on year to US$549 million.
Autodesk saw healthy business momentum with billings jumping 29% year on year to US$1.4 billion.
Remaining performance obligations increased by 21% year on year to US$7.2 billion.
Revenue for FY2026 is expected to be in the range of between US$6.925 billion to US$6.995 billion, representing a year-on-year increase of between 13% to 14.1%.
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Disclosure: Royston Yang does not own shares in any of the companies mentioned.
