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Tom Gayner

Markel Gayner Asset Management Corp

Thomas Gayner is Co-Chief Executive Officer of Markel Corporation. He oversees the investing activities for the company, as well as the Markel Ventures diverse industrial and service businesses. Gayner joined Markel in 1990 to form Markel Gayner Asset Management which provided equity investment counsel for Markel Corporation as well as outside clients.

Shares Held
Asset Size
% Top 10
159
$12.10B
41.45%
Latest2025Q3
Top BuysSUNB (US)
Top SellsOI (US)

Latest Changes

Indicators
Latest (2025Q3)
Previous (2025Q2)
Change
Mkt Value (report date)
12.10B
12.32B
-1.85%
Shares Held
159
163
-2.45%
Buys
44
27
+62.96%
Sells
2
2
0.00%

Sector Allocation

No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Report Date
Watchlist
6.61%
0.00
$800.01M
$840.18M
1.11K
2026-03-31
6.52%
0.00
$788.82M
$669.73M
2.75M
2026-03-31
6.07%
0.00
$734.12M
$770.18M
1.53M
2026-03-31
4.37%
0.00
$529.09M
$597.73M
13.07M
2026-03-31
4.09%
0.00
$494.52M
$401.43M
877.90K
2026-03-31
3.50%
0.00
$422.95M
$445.89M
2.03M
2026-03-31
2.69%
0.00
$325.54M
$251.41M
1.02M
2026-03-31
2.57%
0.00
$311.47M
$312.50M
1.23M
2026-03-31
2.51%
0.00
$304.01M
$286.18M
359.36K
2026-03-31
2.51%
+5.05K
$303.55M
$342.86M
1.00M
2026-03-31

Latest Trades

No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Watchlist
New
+963.36K
+50.00%
963.36K
$62.71M
2026-03-31
New
+202.00K
+50.00%
202.00K
$7.64M
2026-03-31
Exit
-133.00K
-100.00%
0.00
$0.00
2026-03-31
Exit
-115.50K
-100.00%
0.00
$0.00
2026-03-31
Buy
+90.00K
+14.50%
530.00K
$21.76M
2026-03-31
Sell
-33.00K
-21.80%
117.69K
$50.06M
2026-03-31
Buy
+28.46K
+13.50%
181.34K
$4.90M
2026-03-31
8
Franco Nevada Ord Shs (CA)
FNV
Buy
+25.00K
+3.40%
708.50K
$175.29M
2026-03-31
Buy
+18.76K
+7.10%
245.21K
$38.13M
2026-03-31
New
+17.50K
+50.00%
17.50K
$427.52K
2026-03-31

Holding Performance

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