DOSSIER · 13F-HR · Q2 2026

Banco Santander, S.A.

$16.1B in tracked AUM across 929 positions as of Q2 2026.

BS
CIK 0000891478 · last filed Jun 30, 2026
Total AUM
$16.1B
as of Q2 2026
Holdings
929
positions
Whale Score
70
70
strong
Activity
no data
changes this Q
AI Analysis · Q2 2026

Comprehensive Analysis of Banco Santander, S.A. SEC 13F Filing (Q3 2025)

1. Portfolio Overview

As of the reporting period ended September 30, 2025, Banco Santander, S.A. managed a substantial 13F portfolio valued at approximately $11.26 billion, representing a growth of 6.9% from the previous quarter's $10.53 billion. The portfolio demonstrates a high degree of diversification, comprising 948 total holdings. This large number of positions suggests a strategy that balances s...

2. Key Holdings

The portfolio is dominated by a single massive stake in Banco Santander Brasil S.A, which comprises 25.82% of the total portfolio value ($2.91 billion). This underscores the institution's strategic connection to its Brazilian subsidiary, likely viewing it as a core asset for growth in Latin American markets.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
BSBR
BANCO SANTANDER BRASIL S A
$2.7B520.2M17.0%
02
MSFT
MICROSOFT CORP
$933M2.5M5.8%
03
NVDA
NVIDIA CORPORATION
$919M4.6M5.7%
04
N3168P101
FERROVIAL NV
$673M9.8M4.2%
05
AAPL
APPLE INC
$669M2.3M4.2%
06
MU
MICRON TECHNOLOGY INC
$466M403K2.9%
07
AMZN
AMAZON COM INC
$454M1.9M2.8%
08
META
META PLATFORMS INC
$384M683K2.4%
09
F92124100
TOTALENERGIES SE
$379M4.9M2.4%
10
GOOGL
ALPHABET INC
$374M1.0M2.3%

Filing history

2026Q2Jun 30
$16.1B 29.6%
929 positionsView →
2026Q1Mar 31
$12.4B 7.1%
901 positionsView →
2025Q4Dec 31
$13.4B 18.6%
901 positionsView →
2025Q3Sep 30
$11.3B 6.9%
948 positionsView →
2025Q2Jun 30
$10.5B 16.2%
915 positionsLocked
2025Q1Mar 31
$9.1B 9.0%
915 positionsLocked
2024Q4Dec 31
$8.3B 2.0%
832 positionsLocked
2024Q3Sep 30
$8.5B 5.2%
853 positionsLocked
2024Q2Jun 30
$8.1B 2.7%
806 positionsLocked
2024Q1Mar 31
$8.3B 2.0%
779 positionsLocked
2023Q4Dec 31
$8.5B 20.0%
763 positionsLocked
2023Q3Sep 30
$7.1B 7.5%
763 positionsLocked
Showing 12 of 39