DOSSIER · 13F-HR · Q2 2026
ALLEN HOLDING INC /NY
$1.0B in tracked AUM across 10 positions as of Q2 2026.
AH
CIK 0000919489 · last filed Jun 30, 2026
AI Analysis · Q2 2026
Based on the SEC 13F filing data for ALLEN HOLDING INC /NY for the period ending September 30, 2025, here is a comprehensive analysis of the portfolio's structure, activity, and strategic orientation.
1. Portfolio Overview
The most striking feature of this filing is the dramatic contraction in portfolio size and a radical shift in concentration. The total portfolio value plummeted by 64.7%, decreasing from $1.02 billion to $358.56 million in a single quarter. This reduction was ...
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology
Quarter at a glance — Q2 2026
Position-change comparison pending.
No quarter-over-quarter changes available.
Top 10 holdings
By portfolio weight as of Q2 2026.
Filing history
Showing 12 of 100