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Aquamarine Zurich Portfolio holdings

AUM $144M
1-Year Est. Return 5.41%
This Fund
S&P 500
This Quarter Est. Return
+4.45%
1 Year Est. Return
+5.41%
3 Year Est. Return
+74.8%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$294M
AUM Growth
+$6.07M
Cap. Flow
-$237K
Cap. Flow %
-0.08%
Top 10 Hldgs %
97.98%
Holding
15
New
1
Increased
–
Reduced
–
Closed
1

Top Buys

Rank Stock Value
1
CNR
Core Natural Resources Inc
CNR
+$907K

Top Sells

Rank Stock Value
1
ARCH
Arch Resources, Inc.
ARCH
+$1.14M

Sector Composition

Rank Sector Weight
1 Financials 80.36%
2 Consumer Discretionary 10.15%
3 Technology 7.47%
4 Communication Services 0.84%
5 Real Estate 0.55%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BRK.B icon
1
Berkshire Hathaway Class B
BRK.B
$1.06T
$74.9M 25.5%
140,600
– –
AXP icon
2
American Express
AXP
$224B
$56.5M 19.24%
210,000
– –
MA icon
3
Mastercard
MA
$503B
$36M 12.27%
65,750
– –
BAC icon
4
Bank of America
BAC
$433B
$32M 10.91%
767,845
– –
BRK.A icon
5
Berkshire Hathaway Class A
BRK.A
$1.06T
$24M 8.16%
30
– –
RACE icon
6
Ferrari
RACE
$75.3B
$23.5M 8.01%
60,000
– –
MU icon
7
Micron Technology
MU
$1.1T
$17.4M 5.92%
200,000
– –
MCO icon
8
Moody's
MCO
$86.4B
$12.6M 4.28%
27,000
– –
BABA icon
9
Alibaba
BABA
$313B
$6.28M 2.14%
47,500
– –
DJCO icon
10
Daily Journal
DJCO
$847M
$4.57M 1.56%
11,500
– –
GOOGL icon
11
Alphabet (Google) Class A
GOOGL
$4.17T
$2.47M 0.84%
16,000
– –
SRG
12
Seritage Growth Properties
SRG
$119M
$1.61M 0.55%
500,000
– –
AMR icon
13
Alpha Metallurgical Resources
AMR
$2.46B
$1M 0.34%
8,000
– –
CNR
14
Core Natural Resources Inc
CNR
$4.65B
$828K 0.28%
+10,740
New +$907K
ARCH
15
DELISTED
Arch Resources, Inc.
ARCH
– –
-8,100
Closed -$1.14M

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Aquamarine Zurich's Q1 2025 Portfolio in Review

As of Q1 2025, Aquamarine Zurich held 15 positions worth $294M, up 2.1% from $288M the previous quarter. Its ten largest holdings account for 98% of the portfolio.

Aquamarine Zurich's Q1 2025 filing shows 1 new and 1 closed positions. Its largest new stake was Core Natural Resources Inc: 10,740 shares worth $828K. The largest sale was Arch Resources, Inc., an estimated $1.14M.

By sector, the portfolio is most concentrated in Financials at 80% of assets, up from 79% a quarter earlier, followed by Consumer Discretionary and Technology.

  • Aquamarine Zurich's largest Q1 2025 buy was Core Natural Resources Inc: 10,740 shares worth $828K.
  • Aquamarine Zurich fully exited Arch Resources, Inc. in Q1 2025, selling an estimated $1.14M.
  • Aquamarine Zurich's ten largest holdings make up 98% of its $294M portfolio in Q1 2025.
  • Aquamarine Zurich opened 1 new position and closed 1 in Q1 2025.
  • Aquamarine Zurich's portfolio value rose 2.1% quarter-over-quarter to $294M.

Based on Aquamarine Zurich's 13F filing for Q1 2025, filed 11 Apr 2025.