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Seth Klarman

Seth Klarman

Founder & President — Baupost Group
Deep Value Distressed Margin of Safety Patient Capital
AUM (13F)
$5.28B
Positions
22
Latest Filing
Feb 13, 2026
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Fund Founded
1982
Style
Deep Value / Distressed
Typical Positions
20–40
Net Worth
$1.5B+
Biography

Seth Klarman is one of the most respected and private figures in the investment world. He founded Baupost Group in 1982 with just $27M in capital from Harvard's endowment and four families, and has grown it into one of the largest hedge funds in the world. Unlike most hedge fund managers, Klarman frequently holds significant cash — sometimes 30–50% of the portfolio — waiting for compelling opportunities rather than forcing capital to work. Baupost has historically held illiquid and complex assets alongside public equities.

Klarman is the author of 'Margin of Safety,' a 1991 book on value investing that is so sought after it sells for over $1,000 on the secondary market. The book articulates his core philosophy: obsessive focus on downside risk, insistence on a large margin of safety between price and intrinsic value, and the patience to wait years for opportunities. He is deeply skeptical of market efficiency and the financial establishment, and has been a consistent voice warning about the risks of central bank intervention and excessive leverage.

Investment Philosophy

The single greatest edge an investor can have is a long-term orientation. Most of Wall Street is focused on this quarter. If you focus on three to five years, you have very little competition.

— Seth Klarman, Baupost Group
Notable Trades
WIN
Post-GFC distressed assets
Baupost aggressively bought distressed mortgage securities and corporate debt after 2008, generating substantial returns as markets recovered.
WIN
Real estate debt (various)
Has repeatedly made large returns buying real estate-related debt at distressed prices during property market downturns.
WIN
Theravance Biopharma
A complex spinoff and biotech restructuring situation that played out to Baupost's benefit over several years.
LOSS
Energy sector (2014–2016)
Like many value investors, Baupost bought energy names during the oil price collapse that proved to be value traps as prices fell further.
CURRENT
Healthcare / biotech
Baupost has maintained significant exposure to healthcare and biotech, areas where complexity creates mispricing opportunities.
Top Holdings — Baupost Group
Top 5 Holdings · Q4 2025 Filed Feb 13, 2026
1
RESTAURANT BRANDS INTL INC
10.4%
2
AMAZON COM INC
9.3%
3
WILLIS TOWERS WATSON PLC LTD
8.5%
4
ELEVANCE HEALTH INC FORMERLY
8.4%
5
UNION PAC CORP
7.1%