Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Citadel Investment Advisory, Inc. 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Citadel Investment Advisory, Inc. (CIK 1811907) reported $209.5M across 75 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: BRK/B ($50.3M, 24.00%), MKL ($29.2M, 13.92%), GOOGL ($13.5M, 6.43%), IPMLF ($9.6M, 4.60%), GOOG ($8.0M, 3.80%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1BRK/BBeckshire Hathaway$50.3M24.00%104,930Trimmed
2MKLMarkel Corp$29.2M13.92%15,242Trimmed
3GOOGLAlphabet Inc. Class A$13.5M6.43%46,844Trimmed
4IPMLFImperial Metals Corp$9.6M4.60%1.7MTrimmed
5GOOGAlphabet Inc. Class C$8.0M3.80%27,730Trimmed
6PMPhilip Morris Intl$6.5M3.08%39,030Trimmed
7JNJJohnson & Johnson$5.6M2.69%23,053Trimmed
8RTXRaytheon Technologies Corp$5.4M2.57%27,943Trimmed
9MSFTMicrosoft Corp$5.4M2.57%14,568Trimmed
10IBMIBM Corp$4.1M1.95%16,875Trimmed
11ABBVAbbvie Inc$3.9M1.85%17,858Trimmed
12GSGoldman Sachs Group Inc.$3.5M1.66%4,115Trimmed
13ORCLOracle Corp$3.3M1.57%22,366Trimmed
14MCOMoodys Corp$3.2M1.55%7,427Trimmed
15MCDMcDonald's$3.2M1.52%10,273Trimmed
16KOCoca Cola Co$2.9M1.40%38,503Trimmed
17GDGeneral Dynamics Corp$2.8M1.36%8,295Trimmed
18JPMJPMorgan Chase & Co$2.5M1.18%8,422Trimmed
19BKNGBooking Holdings Inc$2.4M1.15%573Hold
20PEPPepsiCo$2.4M1.15%15,552Trimmed
21DISDisney Company$2.2M1.03%22,416Trimmed
22MTDMettler Toledo Intl$2.1M1.02%1,700Hold
23IDXXIdexx Labs Inc$2.0M0.94%3,491Trimmed
24WRBBerkley W R Corp$2.0M0.93%29,468Trimmed
25Medtronic$1.8M0.86%20,700Trimmed

Source: SEC Form 13F filings · as of 2026-03-31