whal
street
Guy Spier
vs
Mairs and Power
Side-by-side current 13F portfolio comparison · 4 shared positions
Whale A
Guy Spier
Aquamarine Zurich Ag
AUM
$135M
Positions
7
Shared %
79.8%
Whale B
Mairs and Power
Mairs & Power Inc.
AUM
$10.4B
Positions
243
Shared %
0.7%
Common holdings · 4
Stocks both whales currently hold — sorted by combined value
Stock
Guy weight
Mairs weight
Guy value
Mairs value
AXP
· American Express Co.
14.5%
0.6%
$20M
$59M
BRK-B
· Berkshire Hathaway Inc. Del
34.6%
0.1%
$47M
$12M
BRK-A
· Berkshire Hathaway Inc. Del
15.9%
0.0%
$22M
$4M
MA
· Mastercard Inc.
14.8%
0.0%
$20M
$356K
Unique to Guy Spier
Top 10 by value held — not in the other's portfolio
Stock
Weight
Value
MCO
· Moodys Corp.
8.7%
$12M
RACE
· Ferrari N V
7.4%
$10M
DJCO
· Daily Journal Corp.
4.1%
$6M
Unique to Mairs and Power
Top 10 by value held — not in the other's portfolio
Stock
Weight
Value
MSFT
· Microsoft Corp.
8.9%
$925M
NVDA
· Nvidia Corp.
8.9%
$923M
AMZN
· Amazon Com Inc.
5.8%
$598M
GOOG
· Alphabet Inc.
5.1%
$533M
JPM
· Jpmorgan Chase & Co.
4.0%
$411M
LLY
· Eli Lilly & Co.
3.6%
$371M
AAPL
· Apple Inc.
3.2%
$331M
GGG
· Graco Inc.
3.1%
$320M
V
· Visa, Inc.
2.7%
$281M
UNH
· Unitedhealth Group Inc.
2.6%
$274M
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Data from SEC EDGAR · whalstreet.com