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Citadel Investment Advisory, Inc.

CIK:0001811907
Investment Adviser
$235M AUM
82 holdings
Chesterland, OH, United States
Founded:2011
1 employees
Latest filing:Sep 30, 2025

Citadel Investment Advisory, Inc. is an independent registered investment adviser based in Chesterland, Ohio, USA. Founded in 2011, this boutique advisory firm provides investment management and financial advisory services predominantly to individual investors, especially high-net-worth individuals. As of March 2025, the firm reports $234.9 million in assets under management and is a small operation with only one employee, whose focus is managing and serving client portfolios.

Investment Strategy

Citadel Investment Advisory, Inc. primarily offers discretionary investment management for individuals, especially high-net-worth clients, allocating assets across a diversified portfolio of equities primarily in large-cap U.S. companies. Portfolio disclosures indicate a long-only, value-oriented approach with allocations to blue-chip holdings such as Berkshire Hathaway, Alphabet, Microsoft, and Markel Group. The firm does not operate pooled investment vehicles or manage institutional assets, focusing on tailored strategies to meet personal financial goals rather than speculative or hedge fund-style management.

Top Buys
G
GOOGLAlphabet Inc. Class A
+$3.1M
B
BRK-BBeckshire Hathaway
+$2.8M
G
GOOGAlphabet Inc. Class C
+$1.7M
O
ORCLOracle Corp
+$1.4M
I
III.TOImperial Metals Corp
+$1.1M
Top Sells
M
MKLMarkel Corp
-$1.2M
P
PMPhilip Morris Intl
-$789.0K
B
BKNGBooking Holdings Inc
-$264.0K
D
DISDisney Company
-$223.0K
I
IBMIBM Corp
-$217.0K

Top Holdings

B
BRK-BBeckshire Hathaway
+24.4%$53.3M
M
MKLMarkel Corp
+13.6%$29.7M
G
GOOGLAlphabet Inc. Class A
+5.4%$11.9M
M
MSFTMicrosoft Corp
+3.5%$7.7M
I
III.TOImperial Metals Corp
+3.4%$7.4M

Equity Positions (70)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
B
BRK-B
Beckshire Hathaway24.45%$53.3M106,017$236.97$502.74+$2.8M
M
MKL
Markel Corp13.60%$29.7M15,519$1277.63$1911.36-$1.2M
G
GOOGL
Alphabet Inc. Class A5.44%$11.9M48,749$95.84$243.10+$3.1M
M
MSFT
Microsoft Corp3.54%$7.7M14,927$236.59$517.95+$301.0K
I
III.TO
Imperial Metals Corp3.38%$7.4M1,748,340$2.24$5.90+$1.1M

Industry Allocation

FIRE, MARINE & CASUALTY INSURANCE
+38.6%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+12.0%
SERVICES-PREPACKAGED SOFTWARE
+6.5%
PHARMACEUTICAL PREPARATIONS
+4.5%
CIGARETTES
+2.9%