Aquamarine Financial (Cayman) Ltd — 13F Holdings & Portfolio

CIK 2104187 · latest 13F-HR filed 2026-08-12

Aquamarine Financial (Cayman) Ltd manages $1.81B in 13F-reported U.S. long-equity assets across 17 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BBD (35.83%), YPF (31.24%), GGAL (9.71%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position and exited 1; 12 existing positions rose in reported value and 4 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$1.81B

Long-equity book

Holdings
17

Distinct positions

Period
2026-06-30

Filed 2026-08-12

Q/Q Activity
+1 / −1 / ↑12 / ↓4

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 98.7%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Sep 11, 2026.

Assets Under Management
$5.76B
Discretionary
$5.76B
Employees
5
Accounts
7
Address
C/O ZEDRA FUND ADMINISTRATION (CAYMAN) LTD
23 LIME TREE BAY AVENUE
GRAND CAYMAN KY1-1002
Cayman Islands
Phone
(345) 745-2782
Name Title / Status Ownership Type
AQUAMARINE PTC ControlTRUSTEE OF THE AQUAMARINE STAR TRUST
since Sep 2026
Less than 5%Foreign Entity
MUNGALL, DAVID ControlDIRECTOR
since May 2026
Less than 5%Individual
SILVA, EDUARDO, D'ANGELO P ControlDIRECTOR
since May 2026
Less than 5%Individual
THE AQUAMARINE STAR TRUST ControlSHAREHOLDER
since Jul 2026
75% or moreForeign Entity
GUARINO, PETER, ROSERIOCHIEF COMPLIANCE OFFICER
since Feb 2026
Less than 5%Individual
MUNGALL, DAVID Control
Indirect owner via AQUAMARINE PTC
SUPERVISOR
since Aug 2026
General partner, trustee or managerIndividual
SILVA, EDUARDO, D'ANGELO P Control
Indirect owner via AQUAMARINE PTC
DIRECTOR
since Aug 2026
General partner, trustee or managerIndividual
Ownership & leadership changes · 3 filings with changes since Feb 28, 2025

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Sep 11, 2026 filing
  • No longer listedASTRAL RIVER LIMITED · SHAREHOLDER · 75% or more · control person · listed since Dec 2023
  • AddedAQUAMARINE PTC · TRUSTEE OF THE AQUAMARINE STAR TRUST · Less than 5% · control person
  • AddedMUNGALL, DAVID · SUPERVISOR · General partner, trustee or manager · indirect via AQUAMARINE PTC · control person
  • AddedSILVA, EDUARDO, D'ANGELO P · DIRECTOR · General partner, trustee or manager · indirect via AQUAMARINE PTC · control person
  • AddedTHE AQUAMARINE STAR TRUST · SHAREHOLDER · 75% or more · control person
May 15, 2026 filing
  • No longer listedMCLAUGHLIN, GWENDOLYN, ELIZABETH · DIRECTOR · Less than 5% · control person · listed since Dec 2023
  • No longer listedSamadi, Jessica · DIRECTOR · Less than 5% · listed since Jan 2026
  • AddedMUNGALL, DAVID · DIRECTOR · Less than 5% · control person
  • AddedSILVA, EDUARDO, D'ANGELO P · DIRECTOR · Less than 5% · control person
Mar 31, 2026 filing
  • No longer listedMOROKA, KAGISHO · DIRECTOR · Less than 5% · listed since Feb 2025
  • AddedGUARINO, PETER, ROSERIO · CHIEF COMPLIANCE OFFICER · Less than 5%
  • AddedSamadi, Jessica · DIRECTOR · Less than 5%
  • ChangedMCLAUGHLIN, GWENDOLYN, ELIZABETH · now a control person
Feb 28, 2025 filing (earliest on record)
  • ListedASTRAL RIVER LIMITED · SHAREHOLDER · 75% or more · control person
  • ListedMCLAUGHLIN, GWENDOLYN, ELIZABETH · DIRECTOR · Less than 5%
  • ListedMOROKA, KAGISHO · DIRECTOR · Less than 5%

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 12 →

Top Trims

Show all 4 →

Exited Positions

Show all 1 →

Aquamarine Financial (Cayman) Ltd Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 BANCO BRADESCO S A BBD 059460303 $649.0M 35.83% 186,948,134 SH
2 YPF SOCIEDAD ANONIMA YPF 984245100 $565.9M 31.24% 12,444,948 SH
3 GRUPO FINANCIERO GALICIA S.A GGAL 399909100 $175.9M 9.71% 3,515,564 SH
4 NU HLDGS LTD NU G6683N103 $119.9M 6.62% 8,977,636 SH
5 BANCO MACRO S A BMA 05961W105 $78.0M 4.31% 842,490 SH
6 GERDAU SA GGB 373737105 $67.6M 3.73% 16,726,171 SH
7 BANCO SANTANDER BRASIL S A BSBR 05967A107 $54.6M 3.01% 10,394,184 SH
8 BANCO BBVA ARGENTINA S A BBAR 058934100 $33.4M 1.84% 1,701,078 SH
9 PAGAYA TECHNOLOGIES LTD PGY M7S64L123 $32.3M 1.78% 1,771,209 SH
10 ORAMED PHARMACEUTICALS INC ORMP 68403P203 $12.1M 0.67% 2,512,175 SH
11 ALPHA TAU MEDICAL LTD DRTS M0740A108 $9.1M 0.50% 721,501 SH
12 COSAN S A CSAN 22113B103 $6.0M 0.33% 2,096,904 SH
13 INNOVIZ TECHNOLOGIES LTD INVZ M5R635108 $4.4M 0.24% 5,828,949 SH
14 PULSENMORE LTD PLSM M8S7C5117 $2.0M 0.11% 338,541 SH
15 TRANSPORTADORA DE GAS DEL SU TGS 893870204 $882.9K 0.05% 29,696 SH
16 CENTRAL PUERTO S A CEPU 155038201 $287.0K 0.02% 19,314 SH
17 VALENS SEMICONDUCTOR LTD VLN M9607U107 $15.7K 0.00% 559,653 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-12 $1.81B 17 0001493152-26-037413
2026-03-31 2026-05-15 $1.37B 17 0001493152-26-023398
2025-12-31 2026-01-28 $1.23B 13 0001493152-26-004011
2025-09-30 2026-01-12 $974.7M 11 0001493152-26-001866
Filer Information
Address
C/O ZEDRA FUND ADMINISTR. (CAYMAN) LTD
23 LIME TREE BAY AVENUE
GRAND CAYMAN KY1-1002
Phone
(345) 947-3358
Filing Manager
Aquamarine Financial (Cayman) Ltd
Grand Cayman, E9
Signatory
David Mungall
Director