Will FITB's Branch Expansion & Comerica Deal Pay Off for Investors?

Fifth Third Bancorp FITB is pursuing two major growth initiatives simultaneously — expanding its physical presence in faster-growing U.S. markets and integrating Comerica. Together, these moves could meaningfully improve the bank’s geographic diversification, deposit franchise and earnings capacity. However, the strategy also entails sizable near-term spending, making execution critical to translating the investments into stronger shareholder returns.

The Comerica acquisition significantly widened Fifth Third’s addressable market. Completed in February 2026, the transaction created the ninth-largest U.S. bank with roughly $294 billion in assets and positioned Fifth Third in 17 of the 20 fastest-growing large U.S. markets. Fifth Third plans to have 1,750 branches by 2030. This wider footprint should reduce the dependence on slower-growth legacy markets and increase opportunities to cross-sell retail, commercial, payments and wealth-management products.

More importantly, branch expansion could strengthen Fifth Third’s funding economics. Branches opened between 2022 and 2024 have averaged more than $25 million of deposits within their first 12 months, while the bank expects continued Southeast expansion to generate $15-$20 billion of deposits over seven years. A larger base of granular consumer deposits can provide relatively stable funding for loan growth and reduce the reliance on more expensive wholesale or rate-sensitive deposits.

Early post-merger trends provide some evidence that this strategy is working. In the second quarter of 2026, average deposits increased 11% sequentially to about $232 billion. Period-end consumer deposits rose $4.6 billion, helped by stronger-than-expected results from Comerica retail deposit campaigns, even as Fifth Third intentionally reduced higher-cost, non-relationship commercial deposits. This is significant because the benefit is not simply higher deposit volume; an improving funding mix can also support net interest margin and earnings quality.

The trade-off is expense pressure. Second-quarter non-interest expenses were $2.11 billion, up 67% year over year, reflecting Comerica-related costs and higher technology, occupancy and marketing spending. Even excluding certain items, expenses increased 51%. The reported efficiency ratio was 64.3% versus 56.2% a year earlier, although the adjusted ratio improved sequentially to 57.1% from 61.9%, suggesting some normalization is already underway.

Thus, the investment case increasingly hinges on execution. Fifth Third expects the Comerica systems conversion to unlock cost synergies, while revenue benefits are already emerging. Strong deposit growth and lower integration costs could drive operating leverage, but prolonged spending or slower branch maturation may delay returns.

Expansion Efforts By Other Banks

PNC Financial’s PNC banking subsidiary, PNC Bank, N.A., plans to open more than 300 branches by 2030, increasing its total branch investment to about $2 billion.

PNC plan includes opening more than 300 branches across nearly 20 U.S. markets, renovating its entire branch network by 2029, and hiring more than 2,000 employees to support growth and customer service efforts by 2030.

F.N.B. Corp.’s FNB main subsidiary, First National Bank, plans to open 30 branches in the high-growth Southeast and Mid-Atlantic markets by 2030.

These new branches will accelerate FNB’s ongoing expansion in North Carolina, South Carolina and the Bank's Mid-Atlantic Region, including Maryland, Virginia and Washington, DC.

FITB’s Price Performance & Zacks Rank

In the past year, Fifth Third’s shares have gained 20.6% compared with the industry’s growth of 29.8%.

Image Source: Zacks Investment Research

Currently, the company carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.

Zacks' Research Chief Names "Stock Most Likely to Double"

Our team of experts has just released the 5 stocks with the greatest probability of gaining +100% or more in the coming months. Of those 5, Director of Research Sheraz Mian highlights the one stock set to climb highest.

This top pick is a little-known satellite-based communications firm. Space is projected to become a trillion dollar industry, and this company's customer base is growing fast. Analysts have forecasted a major revenue breakout in 2025. Of course, all our elite picks aren't winners but this one could far surpass earlier Zacks' Stocks Set to Double like Hims & Hers Health, which shot up +209%.

Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report

This article originally published on Zacks Investment Research (zacks.com).

Zacks Investment Research