Circle Internet Financial’s latest earnings reveal a key reality behind the stablecoin business: rapid growth doesn’t always mean wider profit margins. In the fourth quarter, the company generated strong income from its USDC reserves but handed over a significant share of that revenue to partners helping distribute the stablecoin.
According to Circle’s earnings report, the firm earned $733.4 million in reserve income during Q4 but paid $460.6 million in distribution and transaction costs. That means roughly 63% of the yield generated from customer deposits went to exchanges, wallets, and fintech platforms that provide access to USDC. After these payments, Circle retained $272.8 million in net reserve income before operating expenses.
USDC Supply Continues Rapid Expansion
Despite margin pressure, USDC adoption grew sharply. The stablecoin’s circulation reached $75.3 billion by year-end, marking a 72% year-over-year increase. Average USDC outstanding also doubled, rising from $38.1 billion to $76.2 billion during the period.
This expansion helped drive overall performance. Reserve income climbed 69% compared with the previous year, while adjusted EBITDA increased fivefold. Total revenue and reserve income combined reached $770.2 million for the quarter.
Circle measures profitability using a metric called “Revenue Less Distribution Costs” (RLDC). In Q4, the company’s net reserve margin stood at 37%, meaning Circle kept about $0.37 for every dollar earned from reserves.
How Stablecoins Generate Revenue
Stablecoin issuers like Circle earn income by investing customer deposits into reserve assets, mainly short-term U.S. Treasury securities and similar low-risk instruments. During the fourth quarter, Circle reported a 3.8% reserve return, down 68 basis points year-over-year, reflecting changing interest rate conditions.
At the same time, distribution expenses increased 52% year-over-year, largely due to higher payments to platform partners. These agreements are tied to transaction flows and placement deals rather than fixed technology costs. Company data shows distributors have consistently received around 63% of reserve income over the past five quarters.
Growing Dependence on Distribution Partners
Circle highlighted reliance on key partners as an operational risk. The company noted it could face pressure to accept less favorable financial terms or struggle to maintain relationships with financial institutions and distribution platforms.
A metric called “USDC on Platform” tracks how much supply sits within partner ecosystems. This figure reached $12.5 billion, up 459% year-over-year, accounting for a 17.8% daily weighted share of total circulation. Greater concentration on specific platforms can influence negotiating power in future agreements.
Rate Cuts Could Add Margin Pressure
Treasury bill yields remained in the mid-3% range as of late February 2026, but markets expect possible Federal Reserve rate cuts in the coming quarters. Lower interest rates could reduce reserve income, while distribution costs may not decline at the same pace — potentially squeezing margins further.
Circle’s forward guidance already points toward margin compression compared to the fourth quarter’s roughly 40% RLDC margin.
Regulation and Industry Competition
The company also referenced the proposed GENIUS Act, which aims to establish a formal U.S. regulatory framework for payment stablecoins. Meanwhile, competition among issuers increasingly centers on securing distribution through exchanges, wallets, and payment networks that control user access.
Circle emphasized that its reserves remain liquid, audited, and conservatively managed, designed to handle large redemption events.
Overall, Circle’s Q4 results highlight a growing trend in the stablecoin sector: success depends not only on attracting deposits but also on maintaining strong distribution relationships — even if those partnerships come at a significant cost.
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