Thomas Kahn

Net selling

Kahn Brothers Group Inc — managed by Thomas Kahn; US equity positions disclosed quarterly via SEC 13F

Data as of 2026-06-30 (filed 2026-08-14) · Source: SEC EDGAR

Portfolio value$632.7M (+12%)

Holdings48

Top holdingCitigroup Inc

Below band4

New

Added

Exited

By what price implies: 14 demand a demanding growth rate, 6 modest.

13F × valuation

Valuation posture

Of 19 valued US positions, 4 trade below a conservative value band (as of 2026-10-16):

Idt Corp Class BIDT38% · below
Bristol-Myers SquibbBMY14% · below
Seaboard CorpSEB10% · below
Pnc Finl Svcs Group Inc ComPNC1% · below

13F · concentration

Lonely conviction

Held by ≤2 tracked superinvestors, each ≥3% of this portfolio (as of 2026-06-30):

SEC 13F · latest filing

Holdings

Security	Value	Valuation	Holders	Shares	Weight	Signal
Citigroup IncC	$117.1M	—	13	836,337	18.5%	Core · 8 quarters
Bayer Ag Spons AdrBAYRY	$89.3M	—	1	6,518,603	14.1%	Big new position
Flagstar Financial, IncFLG	$60.9M	—	2	4,074,720	9.6%	Core · 7 quarters
Alphabet Inc Class CGOOG	$42.7M	—	35	120,906	6.8%	—
Zillow Group IncZ	$37.3M	—	2	1,182,261	5.9%	Big new position
Organon & CoOGN	$36.2M	—	1	2,670,523	5.7%	—
Walt DisneyDIS	$34.6M	—	21	359,092	5.5%	—
Merck & Co. IncMRK	$28.0M	—	12	218,182	4.4%	—
M B I A IncMBI	$27.5M	—	2	4,213,920	4.3%	Big new position
Seaport Entmt GroupSEG	$24.4M	—	2	917,005	3.9%	Adding · 4 quarters
Seaboard CorpSEB	$24.1M	Below value	3	5,389	3.8%	—
Bp PlcBP	$23.1M	—	4	624,999	3.7%	Big new position
Idt Corp Class BIDT	$20.5M	Below value	2	351,660	3.2%	—
Patterson Uti EnergyPTEN	$15.3M	—	2	1,663,758	2.4%	—
PfizerPFE	$11.2M	—	11	464,001	1.8%	—
Bristol-Myers SquibbBMY	$10.0M	Below value	9	174,152	1.6%	—
Gsk Plc AdrGSK	$8.3M	—	8	158,438	1.3%	—
ExxonmobilXOM	$2.4M	—	13	17,655	0.4%	—
Genie Energy Ltd Class BGNE	$2.2M	—	1	151,941	0.3%	—
Novartis AgNVS	$2.1M	—	7	13,186	0.3%	—
Fairfax Finl Hldgs Ltd Sub VtgFRFHF	$1.7M	—	3	1,018	0.3%	No trims · 8 quarters
Csx Corp ComCSX	$1.7M	—	6	34,781	0.3%	—
First Natl Bk AlaskaFBAK	$1.6M	—	1	4,920	0.2%	—
Tourmaline Oil Corp ComTRMLF	$1.1M	—	1	26,959	0.2%	—
Jpmorgan ChaseJPM	$942,055	—	19	2,878	0.1%	—

Citigroup IncCCore · 8 quarters
Value$117.1MValuation—Holders13Weight18.5%
Bayer Ag Spons AdrBAYRYBig new position
Value$89.3MValuation—Holders1Weight14.1%
Flagstar Financial, IncFLGCore · 7 quarters
Value$60.9MValuation—Holders2Weight9.6%
Alphabet Inc Class CGOOG—
Value$42.7MValuation—Holders35Weight6.8%
Zillow Group IncZBig new position
Value$37.3MValuation—Holders2Weight5.9%
Organon & CoOGN—
Value$36.2MValuation—Holders1Weight5.7%
Walt DisneyDIS—
Value$34.6MValuation—Holders21Weight5.5%
Merck & Co. IncMRK—
Value$28.0MValuation—Holders12Weight4.4%
M B I A IncMBIBig new position
Value$27.5MValuation—Holders2Weight4.3%
Seaport Entmt GroupSEGAdding · 4 quarters
Value$24.4MValuation—Holders2Weight3.9%
Seaboard CorpSEB—
Value$24.1MValuationBelow valueHolders3Weight3.8%
Bp PlcBPBig new position
Value$23.1MValuation—Holders4Weight3.7%
Idt Corp Class BIDT—
Value$20.5MValuationBelow valueHolders2Weight3.2%
Patterson Uti EnergyPTEN—
Value$15.3MValuation—Holders2Weight2.4%
PfizerPFE—
Value$11.2MValuation—Holders11Weight1.8%
Bristol-Myers SquibbBMY—
Value$10.0MValuationBelow valueHolders9Weight1.6%
Gsk Plc AdrGSK—
Value$8.3MValuation—Holders8Weight1.3%
ExxonmobilXOM—
Value$2.4MValuation—Holders13Weight0.4%
Genie Energy Ltd Class BGNE—
Value$2.2MValuation—Holders1Weight0.3%
Novartis AgNVS—
Value$2.1MValuation—Holders7Weight0.3%
Fairfax Finl Hldgs Ltd Sub VtgFRFHFNo trims · 8 quarters
Value$1.7MValuation—Holders3Weight0.3%
Csx Corp ComCSX—
Value$1.7MValuation—Holders6Weight0.3%
First Natl Bk AlaskaFBAK—
Value$1.6MValuation—Holders1Weight0.2%
Tourmaline Oil Corp ComTRMLF—
Value$1.1MValuation—Holders1Weight0.2%
Jpmorgan ChaseJPM—
Value$942,055Valuation—Holders19Weight0.1%

Showing top 25 of 48 positions

Exited this quarter (1)Comcast Corp New Cl A

What is a superinvestor

About this investor

Portfolio overview

Kahn Brothers Group Inc's most recent 13F filing, for the quarter ended 2026-06-30, reports 48 positions worth $632.7M. The top 5 holdings represent 55% of that value, a moderately concentrated portfolio.

The single largest position is Citigroup Inc at 18.5% of the portfolio, followed by Bayer Ag Spons Adr at 14.1% and Flagstar Financial, Inc at 9.6%.

Against the prior quarter, Thomas Kahn opened 1 new position, exited 1, added to 12, and trimmed 16. The largest new buy was Webster Finl Co. The most notable sale was the full exit from Comcast Corp New Cl A.

Across all 8 quarters on file, Citigroup Inc has appeared in every filing, as has Bayer Ag Spons Adr. Citigroup Inc currently ranks first by value.

A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.

Thomas Kahn has no positions in the strike zone right now. Browse the whole market by value band

Sources· SEC EDGAR 13F as of 2026-06-30 · filed 2026-08-14

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