DOSSIER · 13F-HR · Q1 2026

Banque Transatlantique SA

$4.2B in tracked AUM across 463 positions as of Q1 2026.

BT
CIK 0002056095 · last filed Mar 31, 2026
Total AUM
$4.2B
as of Q1 2026
Holdings
463
positions
Whale Score
59
59
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of Banque Transatlantique SA 13F Filing
Portfolio Overview

Banque Transatlantique SA reported a significant portfolio expansion for the period ending September 30, 2025, with total assets under management (AUM) rising by 23.0% from $1.40 billion to $1.73 billion. The portfolio is characterized by a high-conviction strategy with notable concentration in top-tier assets. Despite holding 133 distinct positions, the portfolio is top-heavy, with the top five holdings cons...

Key Holdings

The portfolio is dominated by a "Magnificent Seven" adjacency strategy, with NVIDIA (NVDA) serving as the cornerstone position. At $522.22 million, NVDA accounts for a staggering 30.23% of the entire portfolio, indicating an aggressive overweight in the artificial intelligence infrastructure theme.

The second and third positions, Alphabet (GOOG/GOOGL) and Visa (V), represent stable, large-cap growth and financial stability, respectively. Combined, the two Alphabet share classes (GOOG and GOOGL) total roughly 21.4% of the portfolio ($370 million), while Visa adds another 11.3%. Costco (COST) rounds out the top five at 10.98%, providing exposure to the consumer defensive sector.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q1 2026. Methodology

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA CORPORATION
$454M2.6M10.9%
02
MSFT
MICROSOFT CORP
$387M1.0M9.3%
03
AMZN
AMAZON COM INC
$333M1.6M8.0%
04
AAPL
APPLE INC
$262M1.0M6.3%
05
GOOG
ALPHABET INC
$222M762K5.3%
06
COST
COSTCO WHOLESALE CORPORATION
$199M199K4.8%
07
GOOGL
ALPHABET INC
$186M643K4.4%
08
WMT
WALMART INC
$152M1.2M3.6%
09
V
VISA INC
$145M482K3.5%
10
TSM
TAIWAN SEMICONDUCTOR MANUFAC
$122M356K2.9%

Filing history

2026Q1Mar 31
$4.2B 1.1%
463 positionsView →
2025Q4Dec 31
$4.1B 138.9%
278 positionsView →
2025Q3Sep 30
$1.7B 23.0%
133 positionsView →
2025Q2Jun 30
$1.4B 6.8%
123 positionsLocked
2025Q1Mar 31
$1.5B 61.7%
581 positionsLocked
2024Q4Dec 31
$3.9B
290 positionsLocked