First Security Group
First Security Group is a bank holding company that controls 1 federally insured institution with $85.3M in combined assets.
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
A holding company is the parent corporation that owns one or more banks or credit unions. Each institution below keeps its own charter and federal deposit insurance — they are listed here together because they share First Security Group as their ultimate owner.
Institutions owned by First Security Group
Every bank and credit union controlled by this holding company, by total assets. Each links to its full profile, branches and ownership history.
| # | Institution | Type | Location | Total assets | Deposits | Branches |
|---|---|---|---|---|---|---|
| 1 | First Security Bank of Deer Lodge | Bank | Deer Lodge, MT | $85.3M | $76.7M | 1 |
Source: FDIC holding-company structure data (public domain). Ownership reflects the latest federal filings. Data sources · Data as of Q1 2026