| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | State Street Bank and Trust Company | Bank | 1 | $242.09B | 39.63% |
| 2 | Bank of America, National Association | Bank | 113 | $92.81B | 15.19% |
| 3 | Citizens Bank, National Association | Bank | 146 | $58.43B | 9.56% |
| 4 | Santander Bank, N.A. | Bank | 90 | $33.22B | 5.44% |
| 5 | Eastern Bank | Bank | 107 | $23.86B | 3.91% |
| 6 | TD Bank, National Association | Bank | 88 | $17.80B | 2.91% |
| 7 | Rockland Trust Company | Bank | 110 | $15.40B | 2.52% |
| 8 | Beacon Bank and Trust | Bank | 34 | $7.63B | 1.25% |
| 9 | Needham Bank | Bank | 20 | $6.24B | 1.02% |
| 10 | Salem Five Cents Savings Bank | Bank | 34 | $6.04B | 0.99% |
| 189 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 | $610.93B | 199 | 1,639 | State Street Bank and Trust Company | 39.6% | 1,963 |
| 2025 | $567.78B | 207 | 1,657 | State Street Bank and Trust Company | 36.6% | 1,778 |
| 2024 | $526.22B | 212 | 1,677 | State Street Bank and Trust Company | 34.1% | 1,633 |
| 2023 | $529.59B | 209 | 1,707 | State Street Bank and Trust Company | 31.1% | 1,486 |
| 2022 | $549.05B | 213 | 1,703 | State Street Bank and Trust Company | 30.3% | 1,441 |
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.