Citadel Investment Advisory
Citadel Investment Advisory reported 76 stocks worth $218M in its 13F filing for Q3 2026, filed Oct 15, 2026. Its largest holdings are BRK.B (23.8%), MKL (12.1%) and GOOGL (7.3%). Compared with Q2 2026, the fund opened new positions in HGTY, added to MKL, MSFT and PM and trimmed BRK.B, GOOGL and IPMLF.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  BRK.B Berkshire Hathaway Inc Del | $52M | 23.8% | 104K | −434 (−0%) | 8 of 8 | |
| 2 |  MKL Markel Group Inc | $26.4M | 12.1% | 15K | +167 (+1%) | 8 of 8 | |
| 3 |  GOOGL Alphabet Inc | $15.8M | 7.3% | 46K | −710 (−2%) | 8 of 8 | |
| 4 |  IPMLF Imperial Metals Corp | $10.2M | 4.7% | 1.7M | −14K (−1%) | 8 of 8 | |
| 5 |  GOOG Alphabet Inc | $9.3M | 4.3% | 27K | −150 (−1%) | 8 of 8 | |
| 6 |  MSFT Microsoft Corp | $7.6M | 3.5% | 15K | +206 (+1%) | 8 of 8 | |
| 7 |  PM Philip Morris Intl Inc | $7.5M | 3.5% | 39K | +425 (+1%) | 8 of 8 | |
| 8 |  JNJ Johnson & Johnson | $6.1M | 2.8% | 23K | −53 (−0%) | 8 of 8 | |
| 9 |  RTX Rtx Corp | $5.2M | 2.4% | 28K | −170 (−1%) | 8 of 8 | |
| 10 |  ABBV Abbvie Inc | $4.7M | 2.1% | 18K | −57 (−0%) | 8 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
LIBERTY BROADBAND CORP | $111 | 3,324 |
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 15, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Citadel Investment Advisory 13F FAQ
What does Citadel Investment Advisory own?
Citadel Investment Advisory reported 76 stocks worth $218M in its 13F filing for Q3 2026, filed Oct 15, 2026. Its largest holdings are BRK.B (23.8%), MKL (12.1%) and GOOGL (7.3%). The table above lists every position in the filing (the top 10 without an account).
What did Citadel Investment Advisory buy and sell in Q3 2026?
Compared with Q2 2026: 1 new positions, 20 added to, 37 trimmed and 1 sold out. New positions include HGTY.
When will Citadel Investment Advisory file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Citadel Investment Advisory's portfolio worth?
The Q3 2026 filing reports $218M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.