Aquamarine Financial (Cayman) Ltd holds a concentrated book of 17 stocks worth $1.4B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Proshares Ultrashort Bloombe and trimmed Ypf S.A.-Sponsored ADR. Their largest long position is Banco Bradesco-ADR at 43% of the equity book. Cloning the disclosed picks since 2026 would be +16% (+30.2%/yr). That is a simulation of the disclosed long book, not audited returns.
The reported book (valued from quarter-end) returned +39.7%, a 23.4-point gap that is the cost of the ~45-day 13F disclosure lag a real follower can't avoid.
Growth of $10,000 cloning Aquamarine Financial (Cayman) Ltd's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~45 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
98% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Aquamarine Financial (Cayman) Ltd
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| UBS Group AG | 16 / 17 | $203.6M |
| MORGAN STANLEY | 15 / 17 | $2.3B |
| JPMORGAN CHASE & CO | 15 / 17 | $1.5B |
| JANE STREET GROUP, LLC | 15 / 17 | $199.1M |
| Ken Griffin | 15 / 17 | $151.8M |
| OSAIC HOLDINGS, INC. | 15 / 17 | $2.1M |
| GOLDMAN SACHS GROUP INC | 13 / 17 | $753.6M |
| CITIGROUP INC | 13 / 17 | $256.4M |
Ranked by how many of Aquamarine Financial (Cayman) Ltd's top 17 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Banco Bradesco S A SP ADR PFD NEW | $588.7M | 156.85M | 43.1% | ▲+5.5% Added · +8.2M sh | |
| 2 | Ypf Sociedad Anonima SPON ADR CL D | $417.2M | 9.03M | 30.6% | ▼−14% Reduced · −1.5M sh | |
| 3 | Grupo Financiero Galicia S.a SPONSORED ADR | $110.7M | 2.36M | 8.1% | ▲+13% Added · +269K sh | |
| 4 | Gerdau Sa SPON ADR REP PFD | $60.4M | 16.73M | 4.4% | ▼−14% Reduced · −2.8M sh | |
| 5 | Banco Santander Brasil S A ADS REP 1 UNIT | $58.2M | 9.82M | 4.3% | ▲+0.5% Added · +48K sh | |
| 6 | Banco Macro Sa SPON ADR B | $41.2M | 532.5K | 3.0% | ▼−5.7% Reduced · −32K sh | |
| 7 | Proshares TR II ULSHT BLOOMB OIL | $28.3M | 3.40M | 2.1% | ▲New New position | |
| 8 | Banco Bbva Argentina S A SPONSORED ADS | $19.8M | 1.24M | 1.5% | ▲+8.2% Added · +94K sh | |
| 9 | Nu Hldgs Ltd ORD SHS CL A | $14.4M | 1.00M | 1.1% | ▲New New position | |
| 10 | Cosan S A ADS | $8.6M | 2.10M | 0.6% | —Held | |
| 11 | Oramed Pharmaceuticals Inc COM NEW | $7.2M | 2.11M | 0.5% | ▲+7.0% Added · +139K sh | |
| 12 | Alpha Tau Medical Ltd ORDINARY SHARES | $5.1M | 721.5K | 0.4% | ▲New New position | |
| 13 | Innoviz Technologies Ltd SHS | $3.3M | 5.18M | 0.2% | ▲29× Added · +5.0M sh | |
| 14 | Pulsenmore Ltd ORD SHS | $1.2M | 338.5K | 0.1% | ▲New New position | |
| 15 | Transportadora De Gas Del Su SPONSORED ADS B | $1.0M | 29.7K | 0.1% | —Held | |
| 16 | Central Puerto S A SPONSORED ADR | $325K | 19.3K | 0.0% | —Held | |
| 17 | Valens Semiconductor Ltd *W EXP 09/30/202 | $15K | 559.7K | 0.0% | —Held |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/2104187/holdings"
Use Arkolith to show Aquamarine Financial (Cayman) Ltd's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.