Hub24 Ltd (ASX: HUB) shares are falling on Tuesday morning.
At the time of writing, the ASX 200 stock is down 4% to $91.63.

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Why is this ASX 200 stock falling today?
Investors have been selling the investment platform provider's shares today despite the release of a solid third-quarter update, which highlights continued momentum across its business.
According to the release, Hub24 achieved platform net inflows of $4 billion for the third quarter of FY 2026.
This represents a 9% increase on the prior corresponding period when excluding large migrations. It is possible that the market was expecting an even stronger increase for the quarter.
Funds under administration surge
The ASX 200 stock revealed that total funds under administration (FUA) reached $151.7 billion at the end of March.
This represents a 22% increase on the prior corresponding period, driven by strong inflows and continued platform adoption.
Platform FUA alone rose 25% year on year to $127.8 billion, though it was broadly flat over the quarter due to negative market movements of $4.1 billion offsetting inflows.
Market share gains continue
Hub24 also pointed to its strong competitive position within the platform market.
The ASX 200 stock ranked first for both quarterly and annual net inflows for a ninth consecutive quarter, based on the latest available data.
It also achieved the largest market share gains of all platform providers, lifting its market share to 9.7%. This is up from 8.3% a year ago.
Management notes that growth is being driven by a combination of strong retail inflows and a pipeline of new and existing client relationships.
Adviser growth and new agreements
During the quarter, Hub24 signed 37 new licensee agreements and increased the number of advisers using its platform by 272 to 5,549.
This represents an 11% increase over the past year and reflects ongoing demand from financial advisers for its platform offering.
The company believes this expanding adviser base will continue to support inflows in future periods.
Acquisition news
In addition to the strong operational performance, the ASX 200 stock revealed that it has exercised a call option to acquire HTFS Nominees, which is the trustee of the Hub24 Super Fund.
The acquisition is expected to be completed by the end of 2026, subject to regulatory approvals, and is not anticipated to have a material impact on earnings.
Management notes that bringing the trustee function in-house is expected to enhance control and support long-term growth of its superannuation offering.