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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
+1.23%
1 Year Est. Return
+5.41%
3 Year Est. Return
+74.8%
5 Year Est. Return
10 Year Est. Return
AUM
$148M
AUM Growth
-$170M
Cap. Flow
-$169M
Cap. Flow %
-114.81%
Top 10 Hldgs %
100%
Holding
14
New
Increased
Reduced
4
Closed
7

Top Buys

No buys this quarter

Sector Composition

Rank Sector Weight
1 Financials 89.72%
2 Consumer Discretionary 6.48%
3 Technology 3.8%
4 Energy 0%
5 Communication Services 0%
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
$49.1M 33.25%
97,600
-43,000
-31% -$21.4M
AXP icon
2
American Express
AXP
$224B
$24M 16.3%
65,000
-145,000
-69% -$51.9M
MA icon
3
Mastercard
MA
$503B
$22.8M 15.48%
40,000
-25,750
-39% -$14.4M
BRK.A icon
4
Berkshire Hathaway Class A
BRK.A
$1.06T
$22.6M 15.35%
30
MCO icon
5
Moody's
MCO
$86.4B
$13.8M 9.35%
27,000
RACE icon
6
Ferrari
RACE
$75.3B
$9.56M 6.48%
30,000
-30,000
-50% -$12M
DJCO icon
7
Daily Journal
DJCO
$847M
$5.6M 3.8%
11,500
AMR icon
8
Alpha Metallurgical Resources
AMR
$2.46B
-8,000
Closed -$1.31M
BABA icon
9
Alibaba
BABA
$313B
-47,500
Closed -$8.49M
BAC icon
10
Bank of America
BAC
$433B
-767,845
Closed -$39.6M
GOOGL icon
11
Alphabet (Google) Class A
GOOGL
$4.17T
-16,000
Closed -$3.89M
MU icon
12
Micron Technology
MU
$1.1T
-80,000
Closed -$13.4M
SRG
13
Seritage Growth Properties
SRG
$119M
-500,000
Closed -$2.13M
CNR
14
Core Natural Resources Inc
CNR
$4.65B
-10,740
Closed -$897K

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Aquamarine Zurich's Q4 2025 Portfolio in Review

As of Q4 2025, Aquamarine Zurich held 14 positions worth $148M, down 54% from $317M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Aquamarine Zurich withdrew a net $169M in Q4 2025, closing 7 positions and reducing 4 holdings. Its most notable exit was Bank of America, an estimated $39.6M position sold in full.

By sector, the portfolio is most concentrated in Financials at 90% of assets, up from 80% a quarter earlier, followed by Consumer Discretionary and Technology.

  • Aquamarine Zurich's biggest Q4 2025 reduction was American Express, cutting an estimated $51.9M.
  • Aquamarine Zurich fully exited Bank of America in Q4 2025, selling an estimated $39.6M.
  • Aquamarine Zurich's ten largest holdings make up 100% of its $148M portfolio in Q4 2025.
  • Aquamarine Zurich opened 0 new positions and closed 7 in Q4 2025.
  • Aquamarine Zurich's portfolio value fell 54% quarter-over-quarter to $148M.

Based on Aquamarine Zurich's 13F filing for Q4 2025, filed 15 Jan 2026.