Kahn Brothers
Kahn Brothers Group · SEC CIK 1039565
Graham-school value, practiced for generations.
This filing is 158 days old. Kahn Brothers Group keeps roughly 94% of its positions in a typical quarter, so about 90% of this book is likely still intact today.
How half-life is computedSnapshot half-life is the number of days after the period end at which half of this specific fund's reported book is expected to have changed, measured from its own past filings. It is a decay estimate, not knowledge of current positions.
Largest holdings, as filed
Top 10 of 47 positions. Weights are against the whole filed book. 13F filings cover US-listed holdings only.
| Company | Ticker | Value | % of book | Freshness |
|---|---|---|---|---|
| Citigroup Inc | C | $117.05M | 18.5% | |
| Bayer AG Spons ADR | BAYRY | $89.31M | 14.1% | |
| Flagstar Financial, Inc. | FLG | $60.88M | 9.6% | |
| Alphabet Inc Class C | GOOG | $42.72M | 6.8% | |
| Zillow Group Inc | Z | $37.26M | 5.9% | |
| Organon & Co | OGN | $36.16M | 5.7% | |
| Walt Disney | DIS | $34.56M | 5.5% | |
| Merck & Co. Inc. | MRK | $28.04M | 4.4% | |
| M B I A Inc | MBI | $27.47M | 4.3% | |
| Seaport Entmt Group | SEG | $24.39M | 3.9% |
Freshness: how likely each position is still held today, from this fund's own turnover history, each position's tenure and the filing's age. Hover a bar for the numbers. Method.
What changed last quarter
Between Q1 2026 and Q2 2026, the largest add was Z (shares up 117%), now $37.26M; the largest trim was OGN (shares down 52%). All of it computed from the two filings, nothing inferred.
Biggest buys, Q2 2026
Exited since Q1 2026
None of the previous quarter's 40 largest positions disappeared from the latest filing.
Exit scan covers the previous quarter's 40 largest positions, a stated bound, because reading a mega fund's entire book per page render is not honest engineering.
Common questions
What are Kahn Brothers's biggest holdings?
As of the Q2 2026 13F, the largest reported positions at Kahn Brothers Group are C (18.5% of the book), BAYRY (14.1% of the book), FLG (9.6% of the book).
How big is Kahn Brothers Group's portfolio?
The latest 13F reports $632.67M across 47 US-listed positions. 13F filings cover US-listed holdings only, so non-US positions and shorts are not included.
Does Kahn Brothers still hold these positions?
Unknown for certain: a 13F may be filed up to 45 days after quarter end. Based on Kahn Brothers Group's own filing history, the fund keeps roughly 94% of positions in a typical quarter, so at 158 days since the period end roughly 90% of this book is likely intact. The snapshot half-life for this fund is about 1054 days.
What did Kahn Brothers buy and sell last quarter?
Between Q1 2026 and Q2 2026, the largest add was Z (shares up 117%), now $37.26M; the largest trim was OGN (shares down 52%). All of it computed from the two filings, nothing inferred.
Funds with overlapping books
Inside the app: the full book for Kahn Brothers Group, quarter on quarter buys and sells, consensus across 140+ funds and copy-to-watchlist.
Source: SEC EDGAR 13F filings. Values are as filed and cover US-listed positions only. A 13F may be filed up to 45 days after the quarter ends, so positions can change before the filing is even public; the freshness figures above quantify that lag instead of hiding it. Educational information, not financial advice.