| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank of America, National Association | Bank | 43 | $16.10B | 16.86% |
| 2 | Citizens Bank, National Association | Bank | 49 | $8.80B | 9.22% |
| 3 | Cambridge Savings Bank | Bank | 19 | $5.31B | 5.56% |
| 4 | TD Bank, National Association | Bank | 24 | $5.25B | 5.49% |
| 5 | Eastern Bank | Bank | 33 | $4.88B | 5.11% |
| 6 | First Technology Federal Credit Union | Credit union | 11 | $4.16B* | 4.36% |
| 7 | Leader Bank, National Association | Bank | 5 | $4.10B | 4.29% |
| 8 | Middlesex Savings Bank | Bank | 22 | $3.79B | 3.97% |
| 9 | Manufacturers and Traders Trust Company | Bank | 14 | $3.59B | 3.76% |
| 10 | Rockland Trust Company | Bank | 29 | $3.53B | 3.69% |
| 73 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $95.48B | 83 | 555 | Bank of America, National Association | 16.9% | 592 |
| 2025 | $97.24B | 90 | 554 | Bank of America, National Association | 17.2% | 599 |
| 2024 | $96.21B | 92 | 568 | Bank of America, National Association | 18.0% | 617 |
| 2023 | $102.97B | 92 | 571 | Bank of America, National Association | 19.0% | 710 |
| 2022 | $103.06B | 95 | 572 | Bank of America, National Association | 20.8% | 792 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.