What is the largest bank headquartered in Massachusetts?

By total assets, the largest FDIC-insured bank with its main office in Massachusetts is State Street Bank and Trust Company, with $412.6B in assets.

Checked Oct 26, 2026

Banks in Massachusetts

FDIC-insured banks and savings institutions with their main office in Massachusetts, largest first.

Banks: 89
Total assets: $632.3B
Total deposits: $503.7B

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#	Bank	Headquarters	Total assets	Deposits	Offices
1	State Street Bank and Trust Company	Boston, MA	$412.6B	$326.2B	3
2	Eastern Bank	Boston, MA	$31.13B	$26.15B	134
3	Rockland Trust Company	Rockland, MA	$24.97B	$20.53B	151
4	Beacon Bank and Trust	Boston, MA	$22.2B	$18.65B	151
5	Salem Five Cents Savings Bank	Salem, MA	$8.82B	$6.04B	34
6	Needham Bank	Needham, MA	$7.42B	$6.32B	21
7	Cambridge Savings Bank	Cambridge, MA	$6.98B	$5.35B	21
8	Middlesex Savings Bank	Natick, MA	$6.15B	$5.18B	35
9	The Cape Cod Five Cents Savings Bank	Hyannis, MA	$5.62B	$4.56B	23
10	Institution for Savings in Newburyport and Its Vicinity	Newburyport, MA	$5.56B	$3.37B	13
11	Leader Bank, National Association	Arlington, MA	$5.28B	$4.26B	6
12	PeoplesBank	Holyoke, MA	$4.62B	$3.51B	21
13	Hingham Institution for Savings	Hingham, MA	$4.56B	$2.61B	9
14	Northern Bank & Trust Company	Woburn, MA	$3.38B	$2.82B	14
15	Bristol County Savings Bank	Taunton, MA	$3.26B	$2.64B	18
16	UniBank for Savings	Whitinsville, MA	$3.11B	$2.57B	15
17	BayCoast Bank	Swansea, MA	$2.86B	$2.46B	25
18	Avidia Bank	Hudson, MA	$2.77B	$2.23B	10
19	Westfield Bank	Westfield, MA	$2.73B	$2.4B	27
20	Dedham Institution for Savings	Dedham, MA	$2.6B	$2.06B	15
21	Cornerstone Bank	Spencer, MA	$2.57B	$1.94B	17
22	South Shore Bank	South Weymouth, MA	$2.52B	$2.22B	13
23	Country Bank for Savings	Ware, MA	$2.24B	$1.73B	15
24	The Village Bank	Newton, MA	$2.07B	$1.8B	11
25	TruNorth Bank	Easthampton, MA	$2.02B	$1.76B	11
26	Florence Bank	Florence, MA	$2.01B	$1.79B	13
27	The Lowell Five Cent Savings Bank	Tewksbury, MA	$1.9B	$1.64B	15
28	Fall River Five Cents Savings Bank	Fall River, MA	$1.86B	$1.38B	18
29	North Easton Savings Bank	South Easton, MA	$1.84B	$1.61B	14
30	Cape & Coast Bank	Yarmouth Port, MA	$1.68B	$1.4B	11
31	Everett Co-operative Bank	Everett, MA	$1.67B	$1.2B	3
32	Main Street Bank	Marlborough, MA	$1.67B	$1.39B	6
33	East Cambridge Savings Bank	Cambridge, MA	$1.66B	$1.34B	12
34	Bluestone Bank	Raynham, MA	$1.62B	$1.32B	11
35	Newburyport Five Cents Savings Bank	Newburyport, MA	$1.57B	$1.26B	12
36	Greenfield Savings Bank	Greenfield, MA	$1.52B	$1.25B	9
37	Watertown Savings Bank	Watertown, MA	$1.44B	$1.25B	10
38	Martha's Vineyard Bank	Edgartown, MA	$1.33B	$1.07B	10
39	Fidelity Co-operative Bank	Leominster, MA	$1.31B	$1.12B	13
40	Webster Five Cents Savings Bank	Webster, MA	$1.31B	$1B	7
41	MutualOne Bank	Framingham, MA	$1.22B	$924.5M	3
42	Reading Co-operative Bank	Reading, MA	$1.19B	$1.02B	13
43	Pentucket Bank	Haverhill, MA	$1.12B	$877.9M	6
44	Winchester Savings Bank	Winchester, MA	$1.09B	$817.7M	5
45	MountainOne Bank	North Adams, MA	$1.08B	$774.3M	6
46	Cape Ann Savings Bank	Gloucester, MA	$1.07B	$804.8M	4
47	OneLocal Bank	Norwood, MA	$1.05B	$843M	4
48	Adams Community Bank	Adams, MA	$1.01B	$822.6M	10
49	Coastal Heritage Bank	Weymouth, MA	$983.6M	$790.9M	10
50	Winchester Co-operative Bank	Winchester, MA	$946.9M	$773.8M	2
51	StonehamBank, A Co-operative Bank	Stoneham, MA	$918.3M	$773.2M	2
52	Greenfield Co-operative Bank	Greenfield, MA	$901.8M	$800M	10
53	Mechanics Cooperative Bank	Taunton, MA	$898.8M	$679.6M	11
54	The Savings Bank	Wakefield, MA	$891M	$766.6M	9
55	Rollstone Bank & Trust	Fitchburg, MA	$816.3M	$677.3M	8
56	Monson Savings Bank	Monson, MA	$806.3M	$721.9M	6
57	Savers Co-operative Bank	Southbridge, MA	$783.2M	$562.3M	7
58	The Bank of Canton	Canton, MA	$782.5M	$661.1M	6
59	Clinton Savings Bank	Clinton, MA	$744.7M	$581.6M	9
60	Eagle Bank	Everett, MA	$709M	$617.8M	6
61	Middlesex Federal Savings, F.A.	Somerville, MA	$654.4M	$576.5M	4
62	Walpole Co-operative Bank	Walpole, MA	$646.5M	$509.2M	1
63	OneUnited Bank	Boston, MA	$637.9M	$511.7M	5
64	Haverhill Bank	Haverhill, MA	$636.8M	$507.6M	7
65	Lee Bank	Lee, MA	$591.2M	$519.6M	5
66	Bay State Savings Bank	Worcester, MA	$580.3M	$513.7M	7
67	The Cooperative Bank	Roslindale, MA	$548.3M	$457.8M	4
68	Milford Federal Bank	Milford, MA	$545.1M	$451.5M	4
69	Dean Co-operative Bank	Franklin, MA	$494.3M	$420.6M	4
70	Seamen's Bank	Provincetown, MA	$478.5M	$405.4M	5
71	The Pittsfield Co-operative Bank	Pittsfield, MA	$451.5M	$327.7M	5
72	North Brookfield Savings Bank	North Brookfield, MA	$448.7M	$383.2M	7
73	The National Grand Bank of Marblehead	Marblehead, MA	$444.8M	$365.8M	2
74	Winter Hill Bank, FSB	Somerville, MA	$407.9M	$299.3M	3
75	BankGloucester	Gloucester, MA	$386.9M	$304.2M	3
76	New Valley Bank & Trust	Springfield, MA	$385M	$321.4M	3
77	Charles River Bank	Medway, MA	$336.1M	$312.6M	4
78	Washington Savings Bank	Lowell, MA	$302.3M	$249.3M	2
79	Marblehead Bank	Marblehead, MA	$262.5M	$229.4M	3
80	Bank of Easton	North Easton, MA	$249M	$222.5M	3
81	Commonwealth Co-operative Bank	Hyde Park, MA	$205M	$140.6M	2
82	Wrentham Co-operative Bank	Wrentham, MA	$192.6M	$175.8M	3
83	42 North Private Bank	Canton, MA	$182.2M	$144.4M	2
84	Canton Co-operative Bank	Canton, MA	$154.8M	$127.2M	1
85	Millbury National Bank	Millbury, MA	$146.5M	$123.4M	1
86	Methuen Co-operative Bank	Methuen, MA	$141.3M	$127.6M	1
87	Stoughton Co-operative Bank	Stoughton, MA	$135.2M	$117.1M	1
88	MassMutual Private Wealth & Trust, FSB	Springfield, MA	$93.7M	$50.5M	1
89	North Cambridge Co-operative Bank	Cambridge, MA	$87.08M	$60.28M	1

Show all 89Show fewer

By county

County	Banks
Middlesex County	22
Norfolk County	13
Worcester County	11
Essex County	10
Bristol County	7
Suffolk County	6
Hampden County	5
Berkshire County	4
Barnstable County	3
Hampshire County	3
Plymouth County	2
Franklin County	2
Dukes County	1

Frequently asked questions

What is the largest bank headquartered in Massachusetts?: By total assets, the largest FDIC-insured bank with its main office in Massachusetts is State Street Bank and Trust Company, with $412.6B in assets.

Source: Federal Deposit Insurance Corporation, BankFind Suite · Last updated 06/30/2026

Data sources

BankFind Suite: institutions and financial reportsFederal Deposit Insurance Corporation

Data as of 06/30/2026

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Massachusetts branches

Bank branches in Massachusetts

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