MB Financial Bank
Former Chicago-based bank that was acquired by Fifth Third Bank in a transaction completed in 2019.
Last updated August 24, 2026
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Overview
MB Financial Bank was a Chicago-based banking institution in the United States. The available reference material identifies it as a former bank and records that it was purchased by Fifth Third Bank in 2018, with the transaction completed the following year. Following completion of the acquisition, the MB Financial Bank business ceased operating as an independent bank brand within the Fifth Third organization. The supplied material does not establish the bank's founding date, founder, detailed corporate structure, financial performance, branch footprint, executive roster, or specific product history, so those details are left unreported rather than inferred. The bank's documented public profile includes its connection to Chicago and its sponsorship of Bike the Drive, a major cycling event. MB Financial sponsored Bike the Drive from 2010 through 2018. After the acquisition was completed, Fifth Third Bank assumed the sponsorship. This sponsorship was one of the institution's visible community and marketing activities during its final years as an independent banking organization. In business terms, MB Financial Bank belonged to the conventional banking sector, with the available record supporting only a broad characterization as a provider of banking services. No reliable source in the supplied material specifies whether its principal emphasis was consumer banking, commercial banking, wealth management, mortgage lending, or another specialized segment. The bank's historical endpoint is clearer than its origin: Fifth Third's acquisition changed the ownership and sponsorship context, and the former MB Financial identity was no longer an independent operating bank after completion of the transaction. Because the reference set is limited, this entry focuses on the documented acquisition, headquarters, sponsorship history, and defunct status rather than adding unsupported claims about scale, market share, customers, or financial results.
History
MB Financial Bank was a financial institution headquartered in Chicago, Illinois. The supplied reference material provides only a limited historical record, but it establishes two central aspects of the institution's history: its identity as a Chicago-based bank and its eventual acquisition by Fifth Third Bank. Fifth Third purchased MB Financial in 2018, and the transaction was completed in 2019. Completion of the acquisition marked the end of MB Financial's operation as an independent bank identity. The available sources do not provide a verified founding year, founder, early corporate history, detailed business divisions, or a complete account of its branch and customer network. Those omissions are material, because they prevent a reliable reconstruction of the bank's development before the acquisition. Accordingly, this history does not assign dates or attributes that are not supported by the cited material. One documented element of MB Financial's public presence was its sponsorship of Bike the Drive. The bank sponsored the event from 2010 through 2018. Bike the Drive was therefore associated with MB Financial during the final period of its independent existence. Once Fifth Third completed the acquisition, Fifth Third assumed the sponsorship. The transition illustrates how the acquisition affected not only the bank's ownership but also public-facing community and marketing affiliations connected with the MB Financial name. The reference material characterizes MB Financial as a former bank rather than an active institution. It does not establish a current successor brand structure beyond identifying Fifth Third Bank as the acquiring institution, nor does it provide financial statements, leadership records, product catalogs, regulatory actions, or strategic announcements. The documented historical conclusion is therefore straightforward: MB Financial Bank was a Chicago-based U.S. bank, maintained a visible sponsorship relationship with Bike the Drive between 2010 and 2018, was purchased by Fifth Third Bank in 2018, and ceased to exist as an independent bank after the acquisition was completed in 2019.
- 2019
Acquisition completed
[1]Fifth Third completed its acquisition of MB Financial, ending MB Financial's independent banking operation and brand presence.
- 2018
Purchased by Fifth Third Bank
[1]Fifth Third Bank purchased MB Financial in 2018.
- 2010
Begins sponsoring Bike the Drive
[1]MB Financial began sponsoring Bike the Drive, a relationship that continued through 2018.
Products and positioning
Banking
Banking services
The available reference material identifies MB Financial Bank broadly as a banking institution but does not document specific deposit, lending, investment, mortgage, treasury, or wealth-management products. Banking services is therefore retained as a general category rather than expanded into unsupported product lines.
Marketing campaigns
- 2010Bike the Drive sponsorship
Chicago, Illinois, United States
MB Financial sponsored Bike the Drive from 2010 through 2018, giving the Chicago-based bank a visible association with a local cycling event.
Outcome. The sponsorship ended under MB Financial after the acquisition by Fifth Third Bank; Fifth Third took over the sponsorship when the transaction was completed.
Brand decisions
2018
Agreement to be purchased by Fifth Third BankM&ABackground
Fifth Third Bank purchased MB Financial in 2018 as part of a transaction that was completed the following year.
Action taken
MB Financial entered the acquisition transaction with Fifth Third Bank.
Aftermath
Completion in 2019 ended MB Financial's status as an independent bank, and Fifth Third assumed the Bike the Drive sponsorship.
Sources1 sources
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