Stocks/Funds/CIK 1811907

Citadel Investment Advisory, Inc.

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1811907
Assets
$210M
+2.8% YoY
Holdings
78
Lifetime alpha vs market
-1.78% annual
Average hold time
4.9 yr
median 5.5 yr

Quarterly history

Cum return +42% vs S&P +52% · α -11% lifetimeAUM $210M · peak $231MFlow $3M (+1%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-0.89%
trims when stocks drop
when a holding falls −10%+
Middle response
-0.95%
baseline attrition
Rally response
-0.66%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BRK-BBerkshire Hathaway Inc.$50M24.0%5.5 yr
MKLMarkel Corporation$29M13.9%+2.4%5.3 yr
GOOGLAlphabet Inc.$13M6.4%5.5 yr
III.TOImperial Metals Corporat$10M4.6%+179.5%5.5 yr
GOOGAlphabet Inc.$8M3.8%+84.3%5.5 yr
PMPhilip Morris Internatio$6M3.1%+7.9%5.5 yr
JNJJohnson & Johnson$6M2.7%+51.5%5.5 yr
MSFTMicrosoft Corporation$5M2.6%-0.6%5.5 yr
RTXRTX Corporation$5M2.6%+48.1%5.5 yr
IBMInternational Business M$4M2.0%-0.1%5.5 yr
ABBVAbbVie Inc.$4M1.9%+7.3%5.5 yr
GSThe Goldman Sachs Group,$3M1.7%+58.1%5.5 yr
ORCLOracle Corporation$3M1.6%+5.9%5.5 yr
MCOMoody's Corporation$3M1.5%-5.6%5.5 yr
MCDMcDonald's Corporation$3M1.5%+1.8%5.5 yr

Portfolio composition (YoY)

Industry mix
Insurance - Diversified24.0%-4.6pp$50M
Insurance - Property & Casualty15.0%-0.1pp$31M
Internet Content & Information10.4%+4.1pp$22M
Copper4.6%+2.8pp$10M
Drug Manufacturers - General4.5%+0.6pp$10M
Aerospace & Defense4.3%+0.8pp$9M
Software - Infrastructure4.1%-0.4pp$9M
Tobacco3.1%-0.1pp$6M
Beverages - Non-Alcoholic2.6%-0.2pp$6M
Banks - Diversified2.4%+0.2pp$5M
Country
US91.4%-2.5pp
CA5.0%+2.8pp
Unknown2.0%-0.2pp
BE0.5%-0.1pp
IE0.5%+0.1pp
BM0.4%-0.1pp
GB0.2%-0.0pp
Top 5: 52.8% · Top 10: 65.6% · Top 25: 84.8%

Winners

TickerPrev $PnLYoY %
III.TO$4M+0.01B179.5%
GOOG$5M+0.00B84.3%
JNJ$4M+0.00B51.5%
RTX$4M+0.00B48.1%
GS$2M+0.00B58.1%

Losers

TickerPrev $PnLYoY %
BKNG$3M-0.00B-96.3%
MCO$4M-0.00B-5.6%
MSFT$6M-0.00B-0.6%
DIS$3M-0.00B-1.3%
WRB$1M-0.00B-4.4%

Top buys this quarter · 0

No buys this quarter

Top sells this quarter · 15

MKL Markel Corporation$1M
KHC The Kraft Heinz Companyexit$0M
MSFT Microsoft Corporation$0M
GS The Goldman Sachs Group, Inc.$0M
MCO Moody's Corporation$0M
RTX RTX Corporation$5M
ORCL Oracle Corporation$0M
III.TO Imperial Metals Corporation$0M
IDXX IDEXX Laboratories, Inc.$0M
ABBV AbbVie Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$210M78+16.82%+17.59%-0.77%+0.00B
2025-12-31$231M79+34.87%+17.72%+17.15%-0.01B
2025-09-30$218M82+24.33%+17.52%+6.82%-0.00B
2025-06-30$205M82+24.46%+14.94%+9.52%-0.02B
2025-03-31$204M82+11.37%+8.30%+3.06%+0.01B
2024-12-31$192M81+16.69%+24.89%-8.20%+0.00B
2024-09-30$190M81+24.98%+36.04%-11.05%+0.00B
2024-06-30$176M82+14.35%+24.49%-10.14%-0.00B
2024-03-31$178M82+17.80%+29.62%-11.82%+0.00B
2023-12-31$163M81+12.45%+26.18%-13.73%-0.00B
2023-09-30$153M81+17.42%+21.57%-4.15%+0.00B
2023-06-30$155M80+7.50%+19.42%-11.92%+0.00B
2023-03-31$147M79-7.61%-7.82%+0.21%-0.00B
2022-12-31$146M79+12.73%+7.56%+5.17%-0.00B
2022-09-30$131M78-10.91%-4.93%-5.98%-0.00B
2022-06-30$148M80-10.72%-16.11%+5.39%+0.02B