Citadel Investment Advisory, Inc.

RIA/Wealth

Citadel Investment Advisory, Inc. is a RIA/Wealth based in Miami, FL led by Kurt Thomas Liedtke, reporting $234.9M in AUM as of Q3 2025 with 51% Financial Services concentration, 66% concentrated in top 10 holdings, and 26% allocation to BRK.B.

PresidentKurt Thomas Liedtke

Portfolio Value: $206.0M
Positions: 74
Top Holding: BRK.B at 25.87%
Last Reported: Q3 2025

AddressSoutheast Financial Center, 200 S. Biscayne Blvd., Suite 3300, Miami, FL, 33131, United States

Top Holdings

Largest long holdings in Citadel Investment Advisory, Inc.'s portfolio (66.2% of total portfolio)

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GthenH

Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Berkshire Hathaway BRK.B	Insurance - Diversified Financial Services	$53.3M	25.87%	+$302.6K Bought	0.00% 106.0K shares	Q4 2020 Held for 4y 11m
2 Markel MKL	Insurance - Property & Casualty Financial Services	$29.7M	14.40%	+$156.7K Bought	0.12% 15.5K shares	Q4 2020 Held for 4y 11m
3 Alphabet Inc. GOOGL	Internet Content & Information Communication Services	$11.9M	5.75%	-$238.5K Sold	0.00% 48.7K shares	Q4 2020 Held for 4y 11m
4 Microsoft MSFT	Software - Infrastructure Technology	$7.7M	3.75%	—	0.00% 14.9K shares	Q4 2020 Held for 4y 11m
5 Alphabet Inc. GOOG	Internet Content & Information Communication Services	$6.9M	3.33%	-$215.5K Sold	0.00% 28.1K shares	Q4 2020 Held for 4y 11m
6 Oracle ORCL	Software - Infrastructure Technology	$6.5M	3.16%	—	0.00% 23.2K shares	Q4 2020 Held for 4y 11m
7 Philip Morris International PM	Tobacco Consumer Defensive	$6.4M	3.12%	—	0.00% 39.6K shares	Q4 2020 Held for 4y 11m
8 International Business Machines IBM	Information Technology Services Technology	$4.8M	2.35%	—	0.00% 17.2K shares	Q4 2020 Held for 4y 11m
9 Raytheon Technologies RTX	Aerospace & Defense Industrials	$4.8M	2.32%	—	0.00% 28.6K shares	Q4 2020 Held for 4y 11m
10 Johnson & Johnson JNJ	Drug Manufacturers - General Healthcare	$4.3M	2.11%	-$4.6K Sold	0.00% 23.4K shares	Q4 2020 Held for 4y 11m

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Citadel Investment Advisory, Inc.'s latest filing

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Market Value

$206.0M

Prior: $206.9M

Q/Q Change

-0.448%

-$927.1K

Net Flows % of MV

-6.07%

Turnover Ratio

3.46%

New Purchases

0 stocks

Added To

3 stocks

+$882.7K

Sold Out Of

1 stocks

$1.8M

Reduced Holdings

21 stocks

-$11.6M

Increased Positions

Position	Shares Δ	Change
1 W.R. Berkley WRB	+61.88%	8.9K → 14.5K +$423.3K
2 Berkshire Hathaway BRK.B	+0.57%	105.4K → 106.0K +$302.6K
3 Markel MKL	+0.53%	15.4K → 15.5K +$156.7K

Decreased Positions

Position	Shares Δ	Change
1 Six Flags Entertainment FUN	Sold	58.5K → 0 −$1.8M
2 Abbott ABT	-89.95%	90.2K → 9.1K −$10.9M
3 Sirius XM SIRI	-12.9%	8.5K → 7.4K −$25.5K
4 Apple AAPL	-6.25%	1.6K → 1.5K −$25.5K
5 ESAB ESAB	-5.34%	3.7K → 3.5K −$22.2K