Investors Bank
Corporate brand
UnclaimedInvestors Bank was a New Jersey-based full-service regional bank that operated independently from 1926 until its acquisition and subsequent conversion to Citizens Bank in 2023.
Last updated August 26, 2026
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Overview
Investors Bank was a full-service regional bank headquartered in Short Hills, New Jersey, serving customers primarily in New Jersey and New York. Its institutional history began in 1926, when it was incorporated as Washington Rock Building and Loan Association. The organization developed through a long sequence of mergers, branch purchases, charter changes, and internal expansion, reflecting the consolidation of the savings-and-loan and community-banking sectors in the northeastern United States. The institution changed its name to Investors Savings and Loan Association in 1942 and later became Investors Savings Bank. During the twentieth century it expanded through acquisitions of local building-and-loan associations and savings banks. These transactions included Millburn Building and Loan Association in 1942, Connecticut Farms Building and Loan Association and Battle Hill Building and Loan Association in 1943, Brick Church Savings and Loan Association in 1947, Lyons Farms Building and Loan Association in 1958, Divident Hill Savings and Loan Association in 1963, Plainfield Savings and Loan Association in 1969, Camptown Savings and Loan Association in 1973, Supreme Savings and Loan Association in 1977, East Jersey Savings Bank in 1991, and selected Carteret Federal Savings Bank branches in 1995. A major structural transition occurred in 1997, when Investors changed from a New Jersey-chartered mutual savings bank to a New Jersey-chartered stock savings bank. It was reorganized within a two-tier holding-company structure: the operating bank became a wholly owned subsidiary of Investors Bancorp, Inc., while Investors Bancorp, Inc. was itself owned by Investors Bancorp MHC. This conversion created a framework for raising outside capital while retaining a mutual holding-company structure. The organization continued to expand in the 2000s and 2010s. Its transactions included Summit Federal Savings Bank in 2008, American Bank of New Jersey and six New Jersey branches of Banco Popular in 2009, the United States branch network of Millennium BCP Bank in 2010, Brooklyn Federal Savings Bank and Marathon Bank in 2012, Roma Bank and RomAsia Bank in 2013, GCF Bank in 2014, and Gold Coast Bank in 2019. In 2021, it acquired eight branches in New Jersey and eastern Pennsylvania from Berkshire Bank. These deals enlarged its physical network and strengthened its presence in the New York metropolitan region. Investors Bancorp began trading common stock on NASDAQ in 2005 as a partially public company and became fully public on May 8, 2014. In 2011, the operating bank adopted the Investors Bank name as part of a broader brand and corporate identity change. The brand represented a community-oriented, branch-based banking model offering consumer and business financial services rather than a narrowly specialized product line. Citizens Financial Group acquired Investors Bank in 2022. Investors Bank continued temporarily as a Citizens subsidiary while the organizations integrated their operations. On February 28, 2023, all remaining Investors Bank branches were rebranded as Citizens Bank, ending Investors Bank's existence as an independent customer-facing banking brand. Its history therefore spans nearly a century, from a local building-and-loan association to a sizable regional bank and, ultimately, a business absorbed into a larger national banking group.
History
Investors Bank traces its origins to 1926, when it was incorporated as Washington Rock Building and Loan Association. The institution was part of the local savings-and-loan tradition that supplied household savings products and residential finance to communities in New Jersey. In 1942 it adopted the name Investors Savings and Loan Association. It later became Investors Savings Bank as its business developed beyond its earlier association structure. Growth during the middle and late twentieth century was driven by a combination of acquisitions and internal expansion. Investors absorbed numerous local building-and-loan associations and savings institutions, including Millburn Building and Loan Association in 1942; Connecticut Farms Building and Loan Association and Battle Hill Building and Loan Association in 1943; Brick Church Savings and Loan Association in 1947; Lyons Farms Building and Loan Association in 1958; Divident Hill Savings and Loan Association in 1963; Plainfield Savings and Loan Association in 1969; Camptown Savings and Loan Association in 1973; Supreme Savings and Loan Association in 1977; East Jersey Savings Bank in 1991; and five branches formerly associated with Carteret Federal Savings Bank in 1995. In 1997, the organization converted from a New Jersey-chartered mutual savings bank into a New Jersey-chartered stock savings bank. The restructuring created a two-tier holding-company arrangement. The bank became a wholly owned subsidiary of Investors Bancorp, Inc., and Investors Bancorp, Inc. became a wholly owned subsidiary of Investors Bancorp MHC. This arrangement enabled the institution to access public equity markets while preserving a mutual holding-company layer. The organization accelerated its expansion after the turn of the century. It acquired Summit Federal Savings Bank in 2008 and American Bank of New Jersey, together with six New Jersey branches of Banco Popular, in 2009. In 2010 it acquired the entire United States operation of Millennium BCP Bank, although four of those branches were later sold. Brooklyn Federal Savings Bank and Marathon Bank were added in 2012, followed by Roma Bank and RomAsia Bank in 2013. GCF Bank was acquired in 2014, Gold Coast Bank in 2019, and eight New Jersey and eastern Pennsylvania branches from Berkshire Bank in 2021. Investors Bancorp began trading common stock on NASDAQ in 2005 as a partially public company and became fully public on May 8, 2014. In 2011 the operating institution adopted the Investors Bank brand. Under that name it operated as a full-service regional bank, maintaining a branch network across New Jersey and New York and offering consumer, residential, commercial, and small-business banking services. The final phase of the institution's history was its acquisition by Citizens Financial Group in 2022. Investors Bank remained a subsidiary during the systems and operating integration. On February 28, 2023, the conversion was completed and all Investors Bank branches were rebranded as Citizens Bank. Investors Bank consequently ceased operating as an independent customer-facing bank, although its former branches, customer relationships, and banking operations became part of Citizens Financial Group.
- 2023
Investors Bank branches converted to Citizens Bank
[1]The integration concluded on February 28, 2023, when all Investors Bank branches were rebranded as Citizens Bank.
- 2022
Acquired by Citizens Financial Group
[1]Citizens Financial Group acquired Investors Bank and began integrating its operations.
- 2014
Investors Bancorp became fully public
[1]Investors Bancorp became a fully public company on May 8, 2014.
- 2011
Investors Bank brand adopted
[1]The operating bank changed its name to Investors Bank as part of a brand transition.
- 2005
Investors Bancorp began partial public trading
[1]Investors Bancorp, Inc. began trading common stock on NASDAQ as a partially public company.
- 1997
Converted from mutual to stock savings bank
[1]Investors reorganized as a New Jersey-chartered stock savings bank within a two-tier holding-company structure.
- 1942
Name changed to Investors Savings and Loan Association
[1]The organization adopted the Investors Savings and Loan Association name and acquired Millburn Building and Loan Association.
- 1926
Washington Rock Building and Loan Association incorporated
[1]The institution that eventually became Investors Bank was established as Washington Rock Building and Loan Association.
Products and positioning
A community-oriented, full-service regional bank focused on branch-based consumer, small-business, commercial, and residential banking in New Jersey and New York.
Retail banking
Consumer banking
Investors Bank operated a branch-based consumer banking business serving households in New Jersey and New York. Its retail offering centered on deposit accounts, savings products, personal banking services, and access through a regional branch network.
Mortgage banking
Residential lending
Residential finance was part of the bank's full-service model, consistent with its historical roots as a building-and-loan association. The business included home lending and related consumer borrowing services.
Business banking
Commercial and small-business banking
The bank served businesses and commercial customers through deposit, lending, and relationship-banking services. Its expansion through acquisitions broadened its ability to serve small businesses and commercial borrowers across its regional footprint.
Brand decisions
2022
Sale to Citizens Financial GroupM&ABackground
Investors Bank pursued a transaction that would place its regional banking operations within the larger Citizens Financial Group.
Action taken
Citizens Financial Group acquired Investors Bank and retained it temporarily as a subsidiary during integration.
Aftermath
The integration was completed on February 28, 2023, when the Investors Bank branch network was rebranded as Citizens Bank.
2011
Adoption of the Investors Bank brandStrategyBackground
The institution had expanded beyond its earlier savings-and-loan identity and operated as a broader regional banking organization.
Action taken
The bank changed its name to Investors Bank.
Aftermath
The new name became the customer-facing identity for the bank's New Jersey and New York branch network until its later integration into Citizens Bank.
1997
Conversion to a stock savings bankStrategyBackground
Investors moved from a mutual savings-bank structure to a stock savings-bank structure as it pursued a broader growth and capital strategy.
Action taken
The bank became a subsidiary of Investors Bancorp, Inc., which was itself held by Investors Bancorp MHC.
Aftermath
The structure enabled subsequent partial and full public offerings while retaining the mutual holding-company framework.
Sources1 sources
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