Latticework

Warren Buffett vs Seth Klarman

Side-by-side 13F comparison as of 2026Q1. Buffett discloses $263.10B across 29 positions; Seth Klarman (Baupost Group) discloses $5.12B across 22. They overlap on 1 holding.

MetricBuffettSeth Klarman
Disclosed portfolio$263.10B$5.12B
Positions2922
Top-5 concentration67%47%
Latest filing2026Q1 · May 15, 20262026Q1 · May 14, 2026
Clone vs SPY-3.1%/yr · 12.0y-11.2%/yr · 12.0y

Clone vs SPY: each manager's 13F replicated at reported weights with real disclosure lag, vs SPY total return — windows differ per manager. Methodology.

Buffett's top 10

  1. AAPL22.0%
  2. AXP17.4%
  3. KO11.6%
  4. BAC9.5%
  5. CVX6.6%
  6. OXY6.5%
  7. GOOGL5.9%
  8. CB4.2%
  9. MCO4.1%
  10. KHC2.8%

Seth Klarman's top 10

  1. AMZN12.7%
  2. QSR11.7%
  3. WCC7.7%
  4. UNP7.3%
  5. ELV7.3%
  6. GOOG6.6%
  7. FERG6.6%
  8. WTW5.1%
  9. AON4.9%
  10. V4.1%

Where they agree

Shared holdingBuffett wt.Seth Klarman wt.
GOOG0.4%6.6%

Where they diverge

Buffett's largest holding that Seth Klarmandoesn't own: AAPL at 22.0% of the book. Seth Klarman's largest holding Buffett doesn't own: AMZN at 12.7%.

From SEC EDGAR Form 13F-HR filings (2026Q1). Long US-listed equities only — cash, shorts, bonds, and non-US positions are not disclosed, and both managers' real books extend beyond what a 13F shows. Not investment advice.