greeksoup/ stock research
Stock research / United States / Funds / Citadel Investment Advisory, Inc.

Citadel Investment Advisory, Inc.

CIK 1811907 · latest 13F filed 15 October 2026 · Read the filing on EDGAR

Citadel Investment Advisory, Inc. reported 76 US-listed holdings worth $218.2 million in its 13F for the quarter ended 30 September 2026, filed 15 October 2026. Its largest: Berkshire Hathaway Inc. Class B (23.8%), Markel CP Hldg Co. (12.1%) and Alphabet Inc. (7.2%). Against the quarter before, it opened 1 position, added to 20, trimmed 37 and sold out of 1.

Reported holdings$218.2M-0.9% on Q2 2026
Positions76as many as Q2 2026
The largest ten66.3%of its reported holdings
Latest 13FQ3 2026filed 15 October 2026
Where the money is
Added toTrimmed
BRKB23.8%MKL12.1%GOOGL7.2%IPMLF4.7%GOOG4.3%MSFT3.5%PM3.5%JNJ2.8%RTX2.4%ABBV2.1%GS1.7%IBM1.7%62 more27.3%

The 14 largest of its 76 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.

Reported holdings, quarter by quarter
Q3 2024: $190.2 million in 81 positions$190MQ3 24Q4 2024: $193.0 million in 82 positions$193MQ4 24Q1 2025: $203.8 million in 82 positions$204MQ1 25Q2 2025: $206.5 million in 83 positions$206MQ2 25Q3 2025: $218.0 million in 82 positions$218MQ3 25Q4 2025: $231.4 million in 79 positions$231MQ4 25Q1 2026: $209.5 million in 78 positions$210MQ1 26Q2 2026: $220.3 million in 76 positions$220MQ2 26Q3 2026: $218.2 million in 76 positions$218MQ3 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned +18.2% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.

Its reported holdingsThe S&P 500
100110120130Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Its holdings +18.2%S&P 500 +32.9%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 1Added 20Held 18Trimmed 37Sold out 1
Opened: 1Added: 20Held: 18Trimmed: 37Sold out: 1

Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held

Opened 1

  1. Hagerty Inc. HGTY$219,000

Added to 20

  1. Markel CP Hldg Co. MKL+167 shares · +1%
  2. Microsoft Corp. MSFT+206 shares · +1%
  3. Moody's Corp. MCO+200 shares · +3%
  4. Philip Morris International Inc. PM+425 shares · +1%
  5. IDEXX Laboratories Inc. IDXX+151 shares · +4%
  6. American Express Co. AXP+200 shares · +3%
  7. JPMorgan Chase & Co. JPM+167 shares · +2%
  8. Coca-Cola Co. KO+580 shares · +2%

and 12 more in the table below

Trimmed 37

  1. Alphabet Inc. GOOGL-710 shares · -2%
  2. Berkshire Hathaway Inc. Class B BRKB-434 shares · -0%
  3. Affiliated Managers Group, Inc. AMG-255 shares · -4%
  4. Imperial Metals Corp IPMLF-13,666 shares · -1%
  5. International Business Machines Corp. IBM-350 shares · -2%
  6. Alphabet Inc. GOOG-150 shares · -1%
  7. Goldman Sachs Group Inc. GS-53 shares · -1%
  8. Booking Holdings Inc. BKNG-250 shares · -2%

and 29 more in the table below

Sold out of 1

  1. Liberty Broadband Corp. LBRDK$111,000 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Berkshire Hathaway Inc. Class B BRKB104.4K$52.0 million23.81%-434
Markel CP Hldg Co. MKL15.4K$26.4 million12.09%+167
Alphabet Inc. GOOGL46.0K$15.8 million7.25%-710
Imperial Metals Corp IPMLF1.7M$10.2 million4.67%-13.7K
Alphabet Inc. GOOG27.3K$9.3 million4.26%-150
Microsoft Corp. MSFT14.8K$7.6 million3.47%+206
Philip Morris International Inc. PM39.5K$7.5 million3.45%+425
Johnson & Johnson JNJ23.0K$6.1 million2.79%-53
RTX Corp. RTX27.8K$5.2 million2.36%-170
AbbVie Inc. ABBV17.8K$4.7 million2.13%-57
Goldman Sachs Group Inc. GS4.0K$3.6 million1.67%-53
International Business Machines Corp. IBM16.5K$3.6 million1.67%-350
Moody's Corp. MCO7.6K$3.5 million1.59%+200
Coca-Cola Co. KO39.0K$3.4 million1.54%+580
Oracle Corp. ORCL22.4K$3.1 million1.41%+34
JPMorgan Chase & Co. JPM8.6K$2.8 million1.30%+167
General Dynamics Corp. GD8.3K$2.8 million1.26%+16
Mettler Toledo International Inc. MTD1.7K$2.6 million1.17%-5
McDonald's Corp. MCD10.4K$2.4 million1.10%+118
Walt Disney Co. DIS22.0K$2.3 million1.06%-350
Booking Holdings Inc. BKNG14.1K$2.3 million1.05%-250
Affiliated Managers Group, Inc. AMG6.2K$2.3 million1.04%-255
W. R. Berkley Corp. WRB29.2K$2.0 million0.91%-225
PepsiCo Inc. PEP15.4K$2.0 million0.90%-40
IDEXX Laboratories Inc. IDXX3.6K$1.9 million0.87%+151
American Express Co. AXP6.0K$1.8 million0.84%+200
CSX Corp. CSX38.5K$1.8 million0.82%+900
Medtronic20.4K$1.8 million0.81%-339
Wells Fargo & Company WFC20.0K$1.6 million0.74%+266
Warner Bros Discovery Inc. WBD50.3K$1.6 million0.71%-100
Eaton Corp. plc ETN3.2K$1.4 million0.64%+100
Credit Acceptance Corp. CACC2.5K$1.3 million0.61%-10
Mohawk Industries Inc. MHK9.7K$1.2 million0.55%-142
Anheuser-Busch InBev SA/NV BUD16.1K$1.2 million0.54%-313
Amazon.com Inc. AMZN4.5K$1.1 million0.52%-80
Bank of America Corp. BAC19.9K$1.1 million0.50%-620
Danaher Corp. DHR4.3K$963,0000.44%no change
Abbott Laboratories ABT8.9K$876,0000.40%+134
Jefferies Financial Group Inc. JEF19.1K$871,0000.40%-30
Canadian Natl Ry Co. CNI7.2K$851,0000.39%no change
Howard Hughes Corporation11.7K$831,0000.38%no change
John Marshall Bancorp36.2K$823,0000.38%-950
Lowe's Companies Inc. LOW4.2K$767,0000.35%+134
Everest Group, Ltd. EG2.0K$740,0000.34%+67
Sysco Corp. SYY9.2K$720,0000.33%-175
Vistaprint NV Cimpress8.6K$661,0000.30%no change
Mastercard Inc. MA1.2K$637,0000.29%no change
Boeing Co. BA3.4K$632,0000.29%-100
Meta Platforms, Inc. META790$573,0000.26%no change
Apple Inc. AAPL1.5K$500,0000.23%no change
Leidos Holdings, Inc. LDOS4.1K$500,0000.23%-8
Procter & Gamble Co. PG3.4K$488,0000.22%no change
Wynn Resorts Ltd. WYNN5.7K$452,0000.21%-115
SEI Investments Co. SEIC3.7K$379,0000.17%-200
Comcast Corp. CMCSA15.8K$344,0000.16%+200
AT&T Inc. T14.1K$343,0000.16%no change
United Parcel Service Inc3.6K$337,0000.15%-100
MSCI Inc. MSCI580$312,0000.14%-5
Lincoln Electric Holdings Inc. LECO1.2K$310,0000.14%-50
Radiant Logistics33.1K$287,0000.13%no change
Cigna Group CI1.0K$281,0000.13%-48
Colgate Palmolive3.2K$277,0000.13%-50
Mondelez International, Inc. MDLZ4.5K$258,0000.12%+92
Willis Towers Watson plc WTW817$235,0000.11%no change
FTI Consulting, Inc. FCN1.7K$225,0000.10%no change
Keurig Dr Pepper Inc. KDP7.2K$220,0000.10%+90
Hagerty Inc. HGTY16.3K$219,0000.10%new
White Mtns Ins Group Ltd WTM100$200,0000.09%no change
Esab Corp. ESAB2.9K$194,0000.09%-99
Sirius XM Holdings Inc.7.4K$191,0000.09%no change
Pinnacle Financial Partners, Inc. PNFP1.9K$179,0000.08%no change
Brown Forman Corp. BFB6.8K$178,0000.08%no change
Capital One Financial Corp. COF835$161,0000.07%-115
Fiserv Inc. FISV3.2K$145,0000.07%-165
Liberty Global PLC7.8K$70,0000.03%no change
Liberty Global PLC4.4K$40,0000.02%no change
Every US-listed position in the fund's 13F for the quarter ended 30 September 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 1 it sold out of are in the box above.