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13F holdings · Q2 2026

Aquamarine Zurich AG

Zurich, V8 · files as Aquamarine Zurich AG
Holdings as of Jun 30, 2026Filed Jul 10, 2026Next filing due Nov 16, 2026CIK 1953324

Aquamarine Zurich AG reported 7 stocks worth $144K in its 13F filing for Q2 2026, filed Jul 10, 2026. Its largest holdings are BRK.B (33.9%), BRK.A (15.6%) and AXP (15.3%).

Reported value$144K+6.5% vs last quarter
Stocks held70 new · 0 sold out
Top 5 weight87.5%very concentrated
Turnover0%of the portfolio changed
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Holdings

#StockValueWeightSharesChangeShares, 8 qtrsHeld
1
BRK.B
Berkshire Hathaway Inc Del
$49K33.9%98KNo change8 of 8
2
BRK.A
Berkshire Hathaway Inc Dclass A
$22K15.6%30No change8 of 8
3
AXP
American Express Co
$22K15.3%65KNo change8 of 8
4
MA
Mastercard Incorporated
$21K14.3%40KNo change8 of 8
5
MCO
Moodys Corp
$12K8.5%27KNo change8 of 8
6
RACE
Ferrari N V
$11K7.7%30KNo change8 of 8
7
DJCO
Daily Journal Corp
$7K4.8%12KNo change8 of 8

Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.

Reported value

last 8 quarters
$286KQ3 '24
$288KQ4 '24
$294KQ1 '25
$310KQ2 '25
$317KQ3 '25
$148KQ4 '25
$135KQ1 '26
$144KQ2 '26

The value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.

Filings for Q2 2026

straight from the SEC
FiledFormQuarter
Jul 10, 202613F-HRQ2 2026SEC filing ↗

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Aquamarine Zurich AG 13F FAQ

What does Aquamarine Zurich AG own?

Aquamarine Zurich AG reported 7 stocks worth $144K in its 13F filing for Q2 2026, filed Jul 10, 2026. Its largest holdings are BRK.B (33.9%), BRK.A (15.6%) and AXP (15.3%). The table above lists every position in the filing (the top 10 without an account).

What did Aquamarine Zurich AG buy and sell in Q2 2026?

Compared with Q1 2026: 0 new positions, 0 added to, 0 trimmed and 0 sold out.

When will Aquamarine Zurich AG file its next 13F?

Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.

How much is Aquamarine Zurich AG's portfolio worth?

The Q2 2026 filing reports $144K in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.