Pioneer Bancorp, Inc. operates as a two-tier mutual holding company for Pioneer Bank, a New York-chartered savings bank. The company's core business model revolves around traditional community banking, generating revenue primarily through net interest income from its loan and deposit portfolios. Its lending activities target both individuals and the small-to-medium sized business market. As of the end of 2025, its loan portfolio was led by residential mortgages (47.5%), commercial real estate (27.9%), and commercial construction (10.2%). In addition to conventional banking, Pioneer diversifies its non-interest income streams by offering wealth management, personal and commercial insurance, and employee benefit services. The company recently expanded its commercial lending capabilities nationwide by acquiring Targeted Lending Co., LLC, an independent equipment financing company. Geographically, Pioneer's operations are concentrated in New York's Capital Region, where it gathers deposits through a network of over 20 retail branches to fund its lending operations and maintains a strong community presence.