Seth Klarman

Seth Klarman

Baupost Group

Runs Baupost and wrote Margin of Safety. A patient value investor who often holds a large part of the fund outside listed US stocks.

13F portfolio value

Q2 2026

$5.42B

1-year growth

+31.6%

2-year growth

+53.4%

Positions

23

Top 10 share

74.9%

Quarterly turnover

12.5%

Last filed

Aug 13, 2026

Source: SEC EDGAR · Photo: Maryland GovPics (CC BY 2.0)

Q2 2026: summary

MakklerAI
  • AMZN shares rose 20%; its portfolio weight increased to 16.5% from 12.7% in the prior quarter.
  • GPC shares rose 89% to a 6.1% weight, while NCLH more than doubled to 3.0%; CME was a new 2.5% position.
  • WCC was cut 53.9% but remained a 4.2% holding; WTW and PCVX were sold out.
  • The $5.4B portfolio held 23 positions, with 74.9% in its top 10; turnover was 12.5%, with 3 new, 6 added, 9 reduced and 2 exited positions.

PROStill at the same price?

A 13F arrives 45 days late. See the estimated buy price of the other 21 positions, the move since, and where each stands against Makkler Fair Value with MakklerPRO.

Values are US dollar amounts as of the filing. The estimated buy price is the quarter's average close; Fair Value is the same model as on Makkler's stock pages.

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Explore this quarter's moves and where each position stands against its estimated buy price and Makkler Fair Value. Answers are based on the 13F and today's prices.

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