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Insights

Observations on wealth management, financial planning, and the discipline of long-term thinking.

March 6, 2026·5 min read

Accessing Institutional Borrowing Rates with Box Spreads

Cut your borrowing costs without touching your portfolio.

Discover how box spreads can significantly reduce your borrowing costs, preserving your portfolio's integrity and offering potential tax benefits.

Mark TassieRead →
March 6, 2026·3 min read

The Longleaf Service Calendar: Why We Built Atlas

Turning reactive advisory relationships into proactive planning.

Explore how the Atlas platform transforms wealth management by ensuring consistent, proactive planning through a structured service calendar.

Mark TassieRead →
February 1, 2026·3 min read

The Case for Patience in Portfolio Construction

Why long-term thinking remains the most reliable edge

In an era of algorithmic trading and instant information, the disciplined investor's greatest advantage is the willingness to think in decades rather than quarters.

Mark TassieRead →
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