SoFi Technologies has turned itself into a chartered bank, and its deposit base has grown roughly 33-fold since 2022. That shift now funds 94% of SoFi's total liabilities, giving the fintech a funding advantage that rivals such as Upstart and Affirm don't have.
SoFi Technologies has quietly turned itself into a bank. Its deposit base has ballooned from $1.2 billion to roughly $45.5 billion in just over four years.
The Golden Pacific pivot
The shift traces back to February 2022, when SoFi completed its acquisition of Golden Pacific Bancorp, securing a national bank charter. Before that deal, SoFi funded its lending through securitized debt and warehouse credit facilities. The charter let it offer checking and savings accounts instead, drawing consumer deposits it could then lend out directly.
Deposits sat at $1.2 billion on March 31, 2022. They reached $40.2 billion by March 31, 2026. By the end of Q2 2026, deposits climbed to approximately $45.5 billion — a roughly 33-fold increase in four years.
Deposits now make up 94% of SoFi's total liabilities. Those liabilities stood at $42.9 billion as of Q1 2026. That ratio was just 17% four years earlier.
Why deposits change the funding math
Rivals without a bank charter still depend on outside capital. When Upstart originates a loan, it typically needs a bank partner or institutional buyer to fund it, and Affirm relies on third-party capital sources and forward-flow agreements.
SoFi, by contrast, reported a net interest margin of 5.94% in Q1 2026. Its net interest income grew from $252 million in 2021 to over $2.2 billion in 2025.
A wider competitive gap
SoFi's deposit base acts as a buffer against credit market volatility, giving it consistent, low-cost funding regardless of conditions elsewhere. When capital markets tighten, companies dependent on third-party funding face a squeeze: securitization spreads widen, warehouse lenders pull back, and origination volumes can dry up.
The deposit model also gives SoFi more flexibility in managing its loan book. It can hold loans on its balance sheet when the economics favor it, or sell them when premiums are attractive — optionality that asset-light fintechs like Upstart and Affirm don't have.
Source: Crypto Briefing
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