LatticeworkTHE EVIDENCE DESK

Warren Buffett vs Seth Klarman

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Warren Buffett discloses $299.25B across 29 positions as of 2026Q2; Seth Klarman (Baupost Group) discloses $5.42B across 23 as of 2026Q2. They overlap on 1 holding.

MetricBuffettSeth Klarman
Disclosed portfolio$299.25B$5.42B
Positions2923
Top-5 concentration69%50%
Latest filing2026Q2 · Aug 14, 20262026Q2 · Aug 13, 2026
Cloning this 13F returned11.3%/yr over 12.2 yrs3.5%/yr over 12.2 yrs
S&P 500, same window13.8%/yr13.7%/yr

Clone returns replicate each manager's 13F at reported weights with the real disclosure lag; the S&P 500 figure beneath is measured over that manager's identical window (SPY total return). Because each manager has a different amount of 13F history, the two columns cover different spans — compare each manager against their own benchmark row, not across columns. Methodology.

Buffett's top 10

  1. AAPL22.0%
  2. AXP17.1%
  3. KO10.9%
  4. GOOGL9.4%
  5. BAC9.2%
  6. CVX4.7%
  7. OXY4.3%
  8. CB3.9%
  9. MCO3.7%
  10. GOOG3.2%

Seth Klarman's top 10

  1. AMZN16.5%
  2. ELV9.1%
  3. QSR9.0%
  4. GOOG8.9%
  5. FERG6.4%
  6. GPC6.1%
  7. UNP6.0%
  8. V4.4%
  9. WCC4.2%
  10. AON4.2%

Where they agree

Shared holdingBuffett wt.Seth Klarman wt.
GOOG3.2%8.9%

Where they diverge

Buffett's largest holding that Seth Klarman doesn't own: AAPL at 22.0% of the book. Seth Klarman's largest holding Buffett doesn't own: AMZN at 16.5%.

From SEC EDGAR Form 13F-HR filings (2026Q2 / 2026Q2). 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.