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Kahn Brothers Advisors
Kahn Brothers Advisors was founded in 1978 by Irving Kahn, who began his career on Wall Street in 1928, studied directly under Benjamin Graham at...
Kahn Brothers Advisors
Kahn Brothers Advisors was founded in 1978 by Irving Kahn, who began his career on Wall Street in 1928, studied directly under Benjamin Graham at Columbia, and served as Graham's teaching assistant. He managed money into his 108th year, constructing portfolios from the same deep-value philosophy he absorbed during the Great Depression. The firm remains family-led: Thomas Kahn, Irving's son, serves as president and continues to run the concentrated, benchmark-agnostic strategy. The wealth being managed is external client capital, not a single family's fortune, though the Kahn family's intellectual legacy defines the firm's architecture. The strategy centers on buying securities trading at significant discounts to intrinsic value — often companies with low price-to-book ratios, hidden assets, or temporary earnings dislocations. The portfolio typically holds 30–50 positions, heavily weighted in financial services, healthcare, consumer staples, and energy. Public 13F filings have historically shown multi-decade holding periods for names like New York Community Bancorp, Pfizer, and BP. The firm does not short, use leverage aggressively, or chase momentum. It operates as a registered investment adviser, managing separate accounts for high-net-worth individuals and institutions. This is not a family office but an asset manager shaped entirely by one family's investment creed. Team size and total regulatory assets under management are not publicly disclosed. The firm's 13F equity holdings have historically ranged between $500 million and $1 billion in market value, though that figure excludes bonds, non-US securities, and private investments. The firm maintains a deliberately low profile from a single office in New York. There are no adjacent venture arms, philanthropic foundations with compulsory grant-making data, or visible club memberships. The firm's scale discussion inevitably circles back to Irving Kahn himself, who was the oldest active money manager at the time of his death in 2015 at age 109, having outlived every contemporary from the Graham-and-Doddsville era. The structural differentiator is extreme temporal arbitrage — the firm operates on an investment horizon that ignores quarterly performance entirely. Irving Kahn traded the 1929 crash, and his son Thomas now runs the same playbook through post-financial-crisis cycles and zero-interest-rate distortions. The succession path is unusual not because of family control, but because the intellectual transfer from Graham, to Irving, to Thomas represents a live, unbroken chain of value-investing orthodoxy spanning nearly a century. There is no analogue among firms of similar size.
General information
Firm type
Asset Manager
Year founded
1978
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
Thomas Kahn
President
Irving Kahn
Chairman (deceased 2015)
Sector focus
Frequently asked questions
Who makes investment decisions at Kahn Brothers Advisors?
Thomas Kahn, the son of founder Irving Kahn, serves as president and is the lead decision-maker. Irving Kahn, who died in 2015 at 109, managed the portfolio well past his hundredth year. The firm runs a concentrated, research-intensive process where a small team analyzes companies against strict value criteria.
Is Kahn Brothers a single-family office?
No. Kahn Brothers Advisors is a registered investment adviser managing separate accounts for external clients — high-net-worth individuals and institutions. It is not a family office, though it is closely held by the Kahn family. The firm does not manage a single family's operating-business wealth.
What is the firm's investment philosophy?
The firm follows classic Benjamin Graham value investing. It targets securities trading below intrinsic value, emphasizing low price-to-book ratios and margin of safety. Irving Kahn studied under Graham at Columbia and served as his teaching assistant, and that intellectual lineage remains the firm's core identity.
How concentrated is the portfolio?
Public filings show a portfolio of 30 to 50 equity positions, with significant weight concentrated in the top 10 holdings. Sectors historically include financial services, healthcare, energy, and consumer staples. The firm holds positions for years or decades, ignoring short-term market volatility.
Does Kahn Brothers disclose its total assets under management?
The firm does not publicly disclose total AUM. Its quarterly 13F filing captures only US-listed equities, which have historically ranged between $500 million and $1 billion in market value. This excludes bonds, cash, non-US securities, and any private holdings.
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