Data as of Q4 2025 (Dec 31, 2025)

Citadel Investment Advisory, Inc.

โ€ขCIK: 1811907โ€ขFiling: Q4 2025

**Citadel Investment Advisory, Inc.** manages $231M across a portfolio of 79 distinct positions. The fund exhibits significant conviction in defensive and technology-aligned names, with its largest holding being Berkshire Hathaway Class B at $53.2M. Notable allocations include McKesson Corporation ($33.6M) and Alphabet Class C ($14.9M), underpinning a strategy focused on established market leaders. This concentrated exposure suggests a disciplined approach targeting high-quality, resilient equity value.

Total AUM
$231.4M
QoQ Performance
+6.2%
Positions
79
Top 10 Concentration
65.6%
Latest Filing
Q4 2025

Top Holdings Allocation

BRK/B
MKL
GOOGL
III
BRK/B23.0%
MKL14.5%
GOOGL6.4%
III5.5%
GOOG3.8%
MSFT3.1%
4I12.7%
RTX2.3%

๐Ÿ“ˆ Biggest Buys

WRB
Berkley W R Corp
+105.4%
0.9% of portfolio
MKL
Markel Corp
+0.6%
14.5% of portfolio
โ€”
Radiant Logistics
NEW
0.1% of portfolio
AMG
Affiliated Managers
+0.3%
0.8% of portfolio
JEF
Jefferies Financial
+0.3%
0.5% of portfolio

๐Ÿ“‰ Biggest Sells

GOOGL
Alphabet Inc. Class A
-2.5%
6.4% of portfolio
BUD
AB Inbev
-20.3%
0.5% of portfolio
MHK
Mohawk Industries
-15.6%
0.5% of portfolio
BRK/B
Beckshire Hathaway
-0.2%
23.0% of portfolio
GOOG
Alphabet Inc. Class C
-1.0%
3.8% of portfolio

Sector Breakdown

Other38.2%
Financial29.0%
Technology17.9%
Healthcare4.9%
Consumer3.6%
Industrial2.6%
Consumer Staples2.4%
Communication1.5%

๐Ÿšช Exited Positionssold since Q3 2025

INTC
Intel
SOLD
$240.0K
โ€”
Ascent Industries Corp
SOLD
$168.0K
SATS
Echostar Corp
SOLD
$114.0K
PARAA
Paramount Global
SOLD
$87.0K

Changes from Q3 2025

NEW1 new position
โ†‘5 increased
โ†“38 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023