13F Insight
DOSSIER · 13F-HR · Q1 2026

Zurcher Kantonalbank (Zurich Cantonalbank)

$46.0B in tracked AUM across 2,557 positions as of Q1 2026.

ZK
CIK 0001368163 · last filed Mar 31, 2026
Total AUM
$46.0B
as of Q1 2026
Holdings
2,557
—
positions
Whale Score
63
63
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of Zurcher Kantonalbank SEC 13F Filing (Q3 2025)
1. Portfolio Overview

Zurcher Kantonalbank (ZKB) manages a substantial and actively managed equity portfolio totaling $43.54 billion as of September 30, 2025. This represents a growth of 6.4% from the previous quarter's value of $40.91 billion. The portfolio is highly diversified, comprising 2,553 individual holdings, which suggests a strategy aimed at risk mitigation through broad exposure rather than conc...

Despite the high number of total holdings, the portfolio exhibits a "barbell" structure where a small fraction of assets commands a significant portion of the capital. The top 10 holdings alone account for approximately 31% of the total portfolio value. The activity level for the quarter was balanced but decisive, with the firm executing 50 distinct trades (20 increases, 27 reductions, 3 new buys, and 3 exits), indicating a dynamic rebalancing effort rather than a passive index-holding approach.

2. Key Holdings

The portfolio is heavily anchored in the US technology sector, with a clear preference for mega-cap growth leaders.

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
$2.9B16.7M6.4%02
AAPL
APPLE INC
$2.4B9.3M5.2%03
H42097107
UBS GROUP AG
$2.2B56.7M4.7%04
MSFT
MICROSOFT CORP
$2.0B5.4M4.3%05
GOOGL
ALPHABET INC
$1.2B4.2M2.6%06
AMZN
AMAZON COM INC
$1.2B5.8M2.6%07
AVGO
BROADCOM INC
$971M3.1M2.1%08
GOOG
ALPHABET INC
$840M2.9M1.8%09
META
META PLATFORMS INC
$779M1.4M1.7%10
TSLA
TESLA INC
$765M2.1M1.7%

Filing history

2026Q1Mar 31
$46.0B▼ 0.8%
2,557 positionsView →2025Q4Dec 31
$46.3B▲ 6.4%
2,545 positionsView →2025Q3Sep 30
$43.5B▲ 6.4%
2,553 positionsView →2025Q2Jun 30
$40.9B▲ 17.4%
2,571 positionsLocked2025Q1Mar 31
$34.8B▼ 0.8%
2,630 positionsLocked2024Q4Dec 31
$35.1B▲ 4.4%
2,699 positionsLocked2024Q3Sep 30
$33.6B▲ 9.3%
2,701 positionsLocked2024Q2Jun 30
$30.7B▲ 7.7%
2,688 positionsLocked2024Q1Mar 31
$28.5B▲ 9.3%
2,753 positionsLocked2023Q4Dec 31
$26.1B▲ 15.3%
2,772 positionsLocked2023Q3Sep 30
$22.7B▲ 0.0%
2,822 positionsLocked2023Q2Jun 30
$22.7B▲ 10.3%
2,833 positionsLocked
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