Trust Signals
- Disclose filing lag and data freshness upfront.
- Contextualize positions by mandate and liquidity needs.
- Separate idea sourcing from direct replication.
Elite Wealth
Use billionaire portfolios for idea discovery, not blind replication. SEC filings are delayed snapshots; validate every idea independently.
The highest-trust approach treats billionaire holdings as a research starting point. Filings are delayed and incomplete snapshots.
Disclose data lag and the need for independent validation upfront.
Ownership trends reveal conviction themes across cycles. Quality analysis connects these themes to macro and sector context.
Users stay longer when each signal includes narrative, data, and risk framing.
Avoid hero worship. High-quality analysis compares multiple managers and explicitly includes disagreement cases.
A balanced view supports durable engagement and better outcomes.
Exact replication is impractical due to filing delays, position hedges, and different liquidity and risk constraints.
Idea discovery and thesis refinement. Always validate independently with your own analysis and risk plan.
SEC filing showing institutional manager holdings over $100 million in US equities. Filed 45 days after quarter-end.
Delay between portfolio activity (buy/sell) and public disclosure. 13F filings lag 45+ days, so positions may have changed.
Dollar amount or percentage of portfolio invested in single security. Larger positions signal higher conviction.
Investment strategy and constraints guiding a manager's decisions. Different managers have different mandates (growth, value, thematic).
Offsetting position to reduce risk. Managers may hold short positions or derivatives not disclosed in simple holding lists.
Position held by many managers simultaneously. Crowded trades face exit risk if momentum reverses.
13F filings are due 45 days after each quarter-end (February 14, May 15, August 14, November 14). Find them free on the SEC's EDGAR database at sec.gov. Sites like Dataroma, WhaleWisdom, and GuruFocus aggregate them into readable dashboards.
Berkshire Hathaway's holdings are disclosed in 13F filings on SEC EDGAR. Dataroma, WhaleWisdom, and GuruFocus aggregate these with historical tracking. Note the minimum 45-day disclosure lag—positions shown may already be partially or fully exited.
At minimum 45 days. A manager who sold on January 1 isn't required to disclose until February 14. Positions can be fully exited before you even see them in a filing—treat 13F data as a research starting point, not a direct trade signal.