Warren Buffett's Berkshire Hathaway Purchases Over $212M in Lennar Corp Shares

Significant Insider Buying Analysis: Berkshire Hathaway & Warren Buffett in Lennar Corp

Transaction Overview

Across three trading days between September 17, 2026, and September 21, 2026, Berkshire Hathaway Inc. and Warren E. Buffett executed massive open-market purchases of Lennar Corp ($LEN, $LEN.B) common stock through multiple insurance subsidiaries:

• Class A Common Stock ($LEN): Acquired 2,668,508 shares in multiple weighted-average tranches ranging from $76.39 to $79.41 per share, representing an aggregate outlay of approximately $206.70M.
• Class B Common Stock ($LEN.B): Acquired 75,021 shares at weighted-average prices between $74.80 and $78.38 per share, totaling approximately $5.70M.
• Total Capital Deployed: ~$212.39M across 2,743,529 combined shares.

Following these transactions, Berkshire Hathaway indirectly owns 23,719,109 Class A shares and 528,217 Class B shares via subsidiaries including National Indemnity Company, BHG Life Insurance Company, AZGUARD Insurance Company, Medical Protective Company, NorGUARD Insurance Company, and WestGUARD Insurance Company.

Key Takeaways & Significance

1. High Market Conviction: Open-market purchases exceeding $200M by a 10% owner are among the most bullish signals available in corporate insider filings.
2. Long-Term Housing Sector Thesis: This aggressive accumulation reinforces Berkshire Hathaway's multi-year thesis on large-scale US residential homebuilders benefiting from structural housing supply deficits.
3. Ownership Impact: The transactions materially expand Berkshire's holding in Lennar, further consolidating its status as a core institutional anchor shareholder.