Guy Spier Aquamarine Zurich
Guy Spier is the founder of Aquamarine Capital and a well-known advocate of value investing in the Buffett-Munger tradition. He is the author of The Education of a Value Investor and is known for a patient, checklist-oriented process and limited portfolio turnover. Spier’s public holdings and writings attract individual investors who study behavioral discipline as much as stock picking.
Top Buys
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Ferrari
RACE
|
+$7.75M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Financials | 75.35% |
| 2 | Consumer Discretionary | 11.3% |
| 3 | Technology | 10.59% |
| 4 | Real Estate | 1.84% |
| 5 | Communication Services | 0.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1
Berkshire Hathaway Class B
BRK.B
$1.06T
| $59.1M | 22.57% |
140,600
| – | – |
|
2
American Express
AXP
$227B
| $47.8M | 18.25% |
210,000
| – | – |
|
3
Mastercard
MA
$509B
| $31.7M | 12.09% |
65,750
| – | – |
|
4
Bank of America
BAC
$431B
| $29.1M | 11.12% |
767,845
| – | – |
|
|
5
Ferrari
RACE
$76.7B
| $26.2M | 9.99% |
60,000
-20,000
| -25% | -$7.75M |
|
6
Micron Technology
MU
$1.09T
| $23.6M | 9% |
200,000
| – | – |
|
|
7
Berkshire Hathaway Class A
BRK.A
$1.06T
| $19M | 7.27% |
30
| – | – |
|
8
Moody's
MCO
$87.2B
| $10.6M | 4.05% |
27,000
| – | – |
|
|
SRG
9
Seritage Growth Properties
SRG
$120M
| $4.83M | 1.84% |
500,000
| – | – |
|
10
Daily Journal
DJCO
$827M
| $4.16M | 1.59% |
11,500
| – | – |
|
11
Alibaba
BABA
$286B
| $3.44M | 1.31% |
47,500
| – | – |
|
12
Alphabet (Google) Class A
GOOGL
$4.22T
| $2.42M | 0.92% |
16,000
| – | – |
|
Similar funds
Guy Spier's Q1 2024 Portfolio in Review
As of Q1 2024, Guy Spier held 12 positions worth $262M, up 15% from $229M the previous quarter. Its ten largest holdings account for 98% of the portfolio.
Trading was light in Q1 2024: portfolio turnover was 0%. Guy Spier opened no new positions and made no exits, leaving the 12-position portfolio largely intact.
By sector, the portfolio is most concentrated in Financials at 75% of assets, up from 74% a quarter earlier, followed by Consumer Discretionary and Technology.
- Guy Spier's biggest Q1 2024 reduction was Ferrari, cutting an estimated $7.75M.
- Guy Spier's ten largest holdings make up 98% of its $262M portfolio in Q1 2024.
- Guy Spier opened 0 new positions and closed 0 in Q1 2024.
- Guy Spier's portfolio value rose 15% quarter-over-quarter to $262M.
Based on Aquamarine Zurich's 13F filing for Q1 2024, filed 18 Apr 2024.