Stocks/Funds/CIK 1096343

MARKEL CORP

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1096343
Assets
$11.94B
+6.0% YoY
Holdings
129
Lifetime alpha vs market
-2.93% annual
Average hold time
6.9 yr
median 7.5 yr

Quarterly history

Cum return +35% vs S&P +52% · α -17% lifetimeAUM $11.9B · peak $12.5BFlow $31M (+0%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+1.91%
adds when stocks drop
when a holding falls −10%+
Middle response
+1.03%
steady accumulation
Rally response
+2.26%
adds into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BRK-ABerkshire Hathaway Inc.$800M6.7%10.5 yr
GOOGAlphabet Inc.$789M6.6%+84.3%10.5 yr
BRK-BBerkshire Hathaway Inc.$734M6.1%10.5 yr
BNBrookfield Corporation$529M4.4%+16.5%3.5 yr
DEDeere & Company$495M4.1%+21.2%10.5 yr
AMZNAmazon.com, Inc.$423M3.5%+9.5%10.5 yr
ADIAnalog Devices, Inc.$326M2.7%+60.2%10.3 yr
AAPLApple Inc.$311M2.6%+14.7%10.5 yr
GSThe Goldman Sachs Group,$304M2.5%+58.1%10.3 yr
VVisa Inc.$304M2.5%-13.1%10.5 yr
HDThe Home Depot, Inc.$303M2.5%-8.0%10.5 yr
CATCaterpillar Inc.$233M2.0%+117.8%10.5 yr
WSOWatsco, Inc.$212M1.8%-26.4%10.5 yr
BLKBlackRock, Inc.$212M1.8%+3.7%1.5 yr
MSFTMicrosoft Corporation$199M1.7%-0.6%10.5 yr

Portfolio composition (YoY)

Industry mix
Insurance - Diversified12.8%-2.3pp$1.53B
Asset Management10.5%-0.7pp$1.25B
Internet Content & Information9.3%+3.1pp$1.11B
Agricultural - Machinery6.1%+1.5pp$727M
Financial - Credit Services5.3%-0.1pp$635M
Financial - Capital Markets5.0%+0.8pp$603M
Semiconductors4.0%+0.8pp$479M
Home Improvement4.0%-0.5pp$477M
Specialty Retail3.6%+0.2pp$432M
Insurance - Property & Casualty3.4%-1.2pp$404M
Country
US89.1%-0.2pp
CA6.0%+1.2pp
GB2.0%-0.2pp
DK0.9%-0.4pp
Unknown0.9%-0.1pp
IE0.6%-0.3pp
BM0.2%+0.0pp
LU0.1%-0.0pp
Top 5: 28.0% · Top 10: 42.0% · Top 25: 65.2%

Winners

TickerPrev $PnLYoY %
GOOG$430M+0.36B84.3%
ADI$235M+0.14B60.2%
CAT$108M+0.13B117.8%
GS$196M+0.11B58.1%
DE$412M+0.09B21.2%

Losers

TickerPrev $PnLYoY %
WSO$300M-0.08B-26.4%
PGR$213M-0.05B-25.5%
RLI$192M-0.05B-26.0%
V$350M-0.05B-13.1%
KKR$168M-0.03B-19.5%

Top buys this quarter · 15

SUNB Sunbelt Rentals Holdings Incnew+$63M
MELI MercadoLibre, Inc.new+$9M
EPD Enterprise Products Partners Lnew+$8M
FNV Franco-Nevada Corporation+$6M
CSX CSX Corporation+$4M
FDS FactSet Research Systems Inc.+$29M
YUM Yum! Brands, Inc.+$3M
NSC Norfolk Southern Corporation+$3M
LIN Linde plc+$2M
UNP Union Pacific Corporation+$2M

Top sells this quarter · 5

TGT Target Corporationexit$16M
SPGI S&P Global Inc.$14M
CHH Choice Hotels International, Iexit$12M
UNH UnitedHealth Group Incorporate$2M
TRU TransUnionexit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$11.94B129+8.97%+17.59%-8.62%+0.03B
2025-12-31$12.54B128+10.34%+17.72%-7.38%-0.07B
2025-09-30$12.32B129+9.94%+17.52%-7.58%+0.00B
2025-06-30$11.83B137+13.33%+14.94%-1.61%-0.29B
2025-03-31$11.26B135+5.02%+8.30%-3.28%+0.36B
2024-12-31$11.34B132+19.11%+24.89%-5.78%+0.01B
2024-09-30$11.11B132+31.57%+36.04%-4.47%+0.19B
2024-06-30$10.17B134+18.11%+24.49%-6.38%+0.05B
2024-03-31$10.14B132+25.13%+29.62%-4.49%+0.11B
2023-12-31$9.20B128+22.05%+26.18%-4.12%-0.14B
2023-09-30$8.28B133+17.11%+21.57%-4.46%+0.19B
2023-06-30$8.40B131+18.75%+19.42%-0.67%+0.10B
2023-03-31$7.86B131-5.67%-7.82%+2.15%-0.07B
2022-12-31$7.46B134+8.15%+7.56%+0.59%+0.13B
2022-09-30$6.77B131-2.25%-4.93%+2.68%-0.06B
2022-06-30$6.99B131-16.08%-16.11%+0.03%-0.08B