Guy Spier, decoded.

A 16-vintage letter archive (DocSend-hosted, free) plus the memoir and the Bloomberg op-ed “The Golden Age of Value Investing Is Over” (Sep 18, 2025)

16 SOURCES4 RESEARCH UNITS3 THEMES0 COMPANIES0 EVENTS4 DECISIONS

INDEX PAGES — CROSS-REFERENCE GUIDES FOR DEEP RESEARCH

Every indexed document — letters, memos, speeches, interviews (16)

All companies referenced across the indexed record (0)

The canonical ideas this investor actually addresses (3)

Documented actions with sources and outcomes (4)