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Acquisitions
 9 Months Ended
Jun. 30, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Acquisitions Acquisitions
The Company’s condensed consolidated financial statements include the operating results and cash flows of the acquired businesses from the dates of acquisition.
Current Year Acquisitions
WCS International Limited
On March 23, 2026, the Company’s wholly owned subsidiary, StoneX Financial Ltd., completed the acquisition of WCS International Limited (“WCSI”), a London based wholesale banknotes trading and distribution business. The acquisition enhances the Company’s relevance to financial institutions by adding a complementary product and capability alongside the existing cross-border payments business.
The purchase price consists of $8.6 million of cash consideration paid at closing and deferred consideration totaling $4.2 million. The business activities of WCSI have been assigned to the Company’s Payments reportable segment. The acquisition generated $8.0 million of Goodwill.
Intercam Advisors, Inc. and Intercam Securities, Inc.
On October 17, 2025, the Company completed the acquisition of Intercam Advisors, Inc. and Intercam Securities, Inc. (together “Intercam”), both U.S.-based firms providing brokerage and investment advisory services to Latin American clients. This acquisition bolsters the Company’s existing wealth management business and further strengthens its connection with Latin America. Through this transaction, the Company expands its ability to serve cross-border clients with a broader range of integrated advisory and brokerage solutions supported by the firm’s global reach and infrastructure.
The purchase price consists of $1.7 million of cash consideration paid at closing and deferred consideration totaling $0.8 million. The business activities of Intercam have been assigned to the Company’s Self-Directed/Retail reportable segment. The acquisition generated $0.4 million of Goodwill.
Plantureux et Associés
On October 31, 2025, the Company’s wholly owned subsidiary, StoneX Financial Europe GmbH, completed the acquisition of Plantureux et Associés (“Plantureux”), a Paris-based brokerage firm specializing in agricultural commodities across both the physical and derivatives markets. The acquisition provides a strategic foothold in the French agricultural commodities market – Europe’s leading grain producing region. With nearly 40 years of experience in agricultural commodities, Plantureux is a respected intermediary in the French cereal market, known for its deep knowledge of the industry and its strong relationships with both buyers and sellers.
The purchase price consists of $2.8 million of cash consideration paid at closing and deferred consideration totaling $1.2 million. The business activities of Plantureux have been assigned to the Company’s Commercial reportable segment. The acquisition generated $2.9 million of Goodwill.
The Assets of GEA Capital
On October 7, 2025, the Company acquired certain assets of GEA Capital (“GEA”) to add to the Company’s Independent Wealth businesses by delivering boutique-style services to both private and corporate clients. The purchase price consists of $5.2 million of cash consideration paid at closing and deferred consideration totaling $16.5 million. The acquired asset was a customer list asset valued at $21.7 million.
Prior Year Acquisitions
R.J. O’Brien
On April 14, 2025, the Company announced that it had entered into a definitive agreement with RTS Merger Sub Inc., RTS Investor Corp., and Westmoor Trail Partners LLC to acquire 100% ownership of RTS Investor Corp., which was the parent company for the R.J. O’Brien global business (“RJO”), including R.J. O’Brien & Associates, LLC, the oldest futures brokerage in the U.S., and selected affiliates. This transaction was effective on the closing date of July 31, 2025.
The aggregate merger consideration was (in millions):
Cash consideration $651.9 
Common stock300.1 
Amounts receivable from sellers(10.0)
Total merger consideration $942.0 
Total fair value of intangible assets acquired$410.6 
Goodwill(1)
$166.6 
(1) The current period contains a reduction of Goodwill of $7.8 million, related to changes to the estimated fair value of acquired assets and liabilities.
Post-Acquisition Results and Unaudited Pro Forma Information
RJO’s results of operations and cash flows have been included in the Company’s condensed consolidated financial statements for the period subsequent to July 31, 2025. As of June 30, 2026 the Company’s fair value and purchase price accounting are preliminary.

For the three and nine months ended June 30, 2026, the Company’s results include total operating revenues and net income from RJO, as follows (in millions):

Three Months Ended June 30, 2026Nine Months Ended June 30, 2026
Operating revenue$187.7 $602.3 
Net income$10.0 $49.2 
The following unaudited pro forma financial information (in millions, except per share amounts) has been adjusted to give effect to the RJO merger as if it had been consummated on October 1, 2024. The pro forma adjustments include additional interest expense related to the Notes Due 2032, net of tax and intangible amortization, net of tax.
Three Months Ended June 30, 2025Nine Months Ended June 30, 2025
Total revenues$35,054.2 $100,312.8 
Operating revenues$1,249.7 $3,582.6 
Net income $74.0 $247.9 
Basic earnings per share $0.63 $2.14 
Diluted earnings per share$0.60 $2.04