Thomas Kahn

Biography

Thomas Kahn co-founded Kahn Brothers in 1978 with his father, Irving Kahn, a mentee of Benjamin Graham, and his brother. He studied at Cornell University and New York University's Stern School and was the firm's president, chief investment officer and lead portfolio manager, following a research-driven, contrarian value approach. He contributed to the fourth edition of Graham's The Intelligent Investor. He died on 17 August 2026, aged 83.

In their own words

Kahn Brothers’s largest US holdings

From the Q2 2026 13F, worth $633m in total. See every holding and change

1. CitigroupC18.5%
2. Bayer AG SponsBAYRY14.1%
3. Flagstar FinancialFLG9.6%
4. AlphabetGOOG6.8%
5. Zillow GroupZ5.9%
6. Organon & CoOGN5.7%
7. Walt DisneyDIS5.5%
8. Merck & Co.MRK4.4%
9. MbiaMBI4.3%
10. Seaport Entertainment GroupSEG3.9%

Also at Kahn Brothers

• Andrew Kahn Head of the firm and portfolio manager