Landmark Credit Union (66751), a $7.3B credit union headquartered in Brookfield, WI, led by CEO Mackay, reported 403,917 members at the end of 2025 Q3, an increase of 6,724 members (+1.7%) compared to the same quarter last year.
Stable membership suggests mature market positioning with focus on deepening existing relationships rather than aggressive acquisition.
Per-Member Economics
Landmark Credit Union's 403,917 members maintain an average of $15K in deposits and $15K in loans. Per-member balances growing faster than membership indicates deepening wallet share—a positive sign for member engagement.
Membership Trends
Recent membership trends warrant strategic review of acquisition channels and member value proposition.
Quarterly Membership Trend
| Period | Members | QoQ Change | Assets/Member |
|---|---|---|---|
| 2024 Q2 | 397,317 | $17K | |
| 2024 Q3 | 397,193 | -0.0% | $17K |
| 2024 Q4 | 396,842 | -0.1% | $17K |
| 2025 Q1 | 399,782 | +0.7% | $18K |
| 2025 Q2 | 402,078 | +0.6% | $18K |
| 2025 Q3 | 403,917 | +0.5% | $18K |
Source: NCUA 5300 Call Reports
Field of Membership Penetration
Landmark Credit Union has a defined field of membership comprising 4,236,623 potential members. With 403,917 current members, the credit union achieves a 9.5% penetration rate, representing significant untapped growth potential.
Historical Context: Since the 2008 Crisis
Landmark Credit Union's membership has grown 200% since Q3 2008, when the financial crisis peaked. At that time, the credit union served 134,773 members.
This sustained membership expansion reflects successful community engagement and competitive positioning over nearly two decades.
Peer Comparison
Among 114 credit unions in its $3.7B–$11.0B asset peer group, Landmark Credit Union ranks in the 27th percentile for membership growth.
Outlook
Landmark Credit Union's membership trajectory will depend on its ability to differentiate through service quality, digital capabilities, and community engagement in an increasingly competitive landscape.
Landmark Credit Union's Q4 2025 results, expected in early 2026, will provide further insight into whether membership growth can accelerate.
Track This Credit Union
Monitor Landmark Credit Union's quarterly membership trends, per-member economics, and engagement metrics 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. Per-member metrics calculated by dividing totals by member count.