GuruTrack

Guy Spier

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Summary
Guy Spier disclosed 7 positions in its latest 13F (2026 Q1), a portfolio value of ~$135.30M, across 1 sectors; top holdings BRK.B, BRK.A, MA. Data from public SEC 13F filings, delayed up to ~45 days.
Portfolio value$135.30M
Holdings7incl. options
Sectors1
Latest filing2026 Q1

Guru playbook

This quarter at a glance
Focused bookHighly concentrated · top 5 = 88%Low turnover · long-termFinancials-heavy

Circle of competence (by value)

Financials88%

⚠️ Tags are auto-derived from public 13F holdings.

Position-weight treemap

By share of portfolio value (2026 Q1, common stock only, top 25).

Sector breakdown

By value (positions with no sector fall under “Uncategorized”).

Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.