Will Berkshire Hathaway's Q3 2026 13F show a net increase in Lennar shares by 7 Oct 2026?
Posted 2026-09-23 — 14 days before the deadline, stated before the outcome.
Berkshire Hathaway is a diversified holding company that discloses its public equity positions through quarterly 13F filings. Lennar Inc. is a major homebuilder listed on the New York Stock Exchange. These filings provide transparency into the investment portfolio of large institutional investors.
The claim
Berkshire Hathaway announces its quarterly 13F filing disclosing a net increase in its shareholding of Lennar Inc. for the third quarter of 2026.
Reasoning trace
- Reported doubling down on housing stock
- Favorable valuation relative to fundamentals
- Strategic accumulation by long-term value investor
Evidence so far
1 confirming · 0 denying signals · 4 verified · 0 broken assumptions. The evidence itself is part of the full dossier.
Probability history
Updated 3 times since mint (last on 2026-09-24) — 78% at mint → 81% today.
What to watch
- precondition Berkshire Hathaway's aggregate purchases of Lennar Inc. shares during Q3 2026 (July–September) result in a net addition to its position that, combined with any existing holdings, exceeds 1,713,000 shares by the filing deadline.
- leading indicator Berkshire Hathaway executes one or more open-market purchases of Lennar Inc. shares in Q3 2026 (on or before 2026-09-30) that are disclosed in SEC Form 4 filings or detected in aggregate trading volume consistent with a material position increase.
- precondition Berkshire Hathaway's Q3 2026 portfolio position data becomes available to the company's compliance and filing team (typically by mid-to-late September for a Q3 quarter ending September 30)
The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].
Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.