Summit Credit Union (67190), a $8.0B credit union headquartered in Madison, WI, led by CEO Sponem, reported $6.4B in member deposits at the end of 2025 Q3, an increase of $469.3M (+7.9%) compared to the same quarter last year.
The credit union's 98.7% loan-to-share ratio indicates strong loan demand relative to deposits, which may require attention to deposit pricing and liquidity management.
At a high level: balance sheet is loan-heavy, constraining future optionality.
Deposit Composition
Summit Credit Union's deposit portfolio is led by Share Certificates, comprising 41.9% of total deposits—time deposits (cds) with fixed terms and rates. Strong certificate balances indicate member preference for term deposits and predictable funding costs.
Deposit Portfolio Breakdown
| Deposit Type | Balance | % of Total | YoY Growth |
|---|---|---|---|
| Share Certificates | $2.7B | 41.9% | +13.6% |
| Money Market | $1.3B | 20.1% | +0.1% |
| Share Drafts | $1.1B | 16.6% | +5.4% |
| Regular Shares | $1.1B | 16.5% | +7.7% |
| IRA/KEOGH | $234.4M | 3.7% | +9.5% |
| Non-Member Deposits | $72.6M | 1.1% | -1.2% |
| Other Shares | $6.8M | 0.1% | +5.6% |
Source: NCUA 5300 Call Reports (2025_Q3)
Quarterly Deposit Trends
Robust deposit growth of this magnitude typically reflects competitive dividend rates, successful marketing campaigns, or strong community relationships driving member acquisition.
Quarterly Trend
| Period | Total Deposits | QoQ Change | Avg/Member |
|---|---|---|---|
| 2024 Q2 | $5.8B | $22K | |
| 2024 Q3 | $5.9B | +2.4% | $22K |
| 2024 Q4 | $5.9B | -0.1% | $22K |
| 2025 Q1 | $6.1B | +3.3% | $23K |
| 2025 Q2 | $6.2B | +2.4% | $23K |
| 2025 Q3 | $6.4B | +2.2% | $23K |
Source: NCUA 5300 Call Reports
Member Deposit Metrics
Summit Credit Union serves 273,364 members, an increase of 3.3% year-over-year. The average member deposit of $23K has grown 4.5% compared to last year.
Strong deposit growth combined with member growth indicates successful market expansion and competitive deposit products.
Historical Context: Since the 2008 Crisis
Summit Credit Union's deposit base has grown 1626% since Q3 2008, when the financial crisis was at its peak. At that time, the credit union held $369.5M in member deposits serving 46,845 members.
Membership has expanded 484% over this period, demonstrating strong community trust and successful member acquisition.
Peer Comparison
Among 103 credit unions in its $4.0B–$11.9B asset peer group, Summit Credit Union ranks in the 68th percentile for deposit growth.
Outlook
With strong deposit momentum, Summit Credit Union appears well-positioned to fund loan growth and maintain competitive member services. Key factors to watch include deposit rate trends, member acquisition costs, and competitive dynamics in the WI market.
Summit Credit Union's Q4 2025 results, expected in early 2026, will provide further insight into whether this deposit growth trajectory can be sustained.
Track This Credit Union
Monitor Summit Credit Union's quarterly deposit performance, member metrics, and share composition with Finleet Terminal.
Data Sources: NCUA 5300 Call Reports (2025_Q3), NCUA Historical Data (2007-present), Finleet Proprietary Analysis
Methodology: Year-over-year growth calculated comparing 2025_Q3 to same quarter prior year. Peer groups defined as credit unions within 50% asset range. Average deposit calculated as total shares and deposits divided by total members.