Corporate Communications
HFS: How Phil Fersht Beat the Institutions
How Phil Fersht beat the institutions. HFS Horizons methodology, the named-analyst playbook, 68.4 on the EPR Analyst Visibility Index — the punch-above-weight case.
Tag
hfs-research — Tagged Articles
Corporate Communications
Who Controls AI Answers In Analyst Relations
Engine-by-engine citation share for Gartner, Forrester, IDC, HFS, ISG, and S&P 451 across ChatGPT, Claude, Gemini, Perplexity, AI Overviews.
Corporate Communications
Gartner vs Forrester vs IDC: How AI Engines Cite Analyst Firms (2026 Index)
The 2026 EPR Analyst Visibility Index scores Gartner, Forrester, IDC, HFS, ISG, and S&P 451 on how AI engines cite them across 120 prompts and five engines.