| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Banco Popular de Puerto Rico | Bank | 30 | $38.48B | 67.82% |
| 2 | FirstBank Puerto Rico | Bank | 18 | $6.60B | 11.63% |
| 3 | Oriental Bank | Bank | 8 | $5.57B | 9.81% |
| 4 | Citibank, National Association | Bank | 2 | $4.24B | 7.48% |
| 5 | Banesco USA | Bank | 1 | $892.0M | 1.57% |
| 6 | Nave Bank | Bank | 1 | $431.9M | 0.76% |
| 7 | Caribe Federal Credit Union | Credit union | 4 | $395.0M* | 0.70% |
| 8 | Vapr Federal Credit Union | Credit union | 1 | $94.3M* | 0.17% |
| 9 | Puerto Rico Federal Credit Union | Credit union | 1 | $32.8M* | 0.06% |
| 10 | Puerto Rico Employee Groups Federal Credit Union | Credit union | 1 | $2.9M* | 0.01% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $56.74B | 10 | 67 | Banco Popular de Puerto Rico | 67.8% | 4,891 |
| 2025 | $55.63B | 10 | 68 | Banco Popular de Puerto Rico | 65.3% | 4,604 |
| 2024 | $52.71B | 10 | 68 | Banco Popular de Puerto Rico | 66.8% | 4,783 |
| 2023 | $61.89B | 9 | 70 | Banco Popular de Puerto Rico | 57.8% | 4,058 |
| 2022 | $58.24B | 9 | 70 | Banco Popular de Puerto Rico | 64.2% | 4,562 |
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