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

Mawer Investment Management Ltd.

$15.4B in tracked AUM across 126 positions as of Q1 2026.

MI
CIK 0001538449 · last filed Mar 31, 2026
Total AUM
$15.4B
as of Q1 2026
Holdings
126
—
positions
Whale Score
69
69
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

Mawer Investment Management Ltd. reported $15.4B in 13F holdings for the quarter ending 2026-03-31, concentrated in financial services with leading positions in GOOG, MSFT, AMZN. Notable moves this quarter: SO INCREASED (+$176.1M); WAT INCREASED ($-75.3M). 8 new positions initiated, 8 closed out, reflecting 58 total changes from the prior quarter.

Mawer Investment Management Ltd. entered 2026-03-31 with $15.4B in reported 13F holdings, placing it among the institution's recent AUM range. The portfolio maintains a financial services tilt, with the top five positions accounting for a meaningful share of the overall book.

Top Holdings

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
GOOG
ALPHABET INC
$937M3.3M6.1%02
MSFT
MICROSOFT CORP
$857M2.3M5.5%03
AMZN
AMAZON COM INC
$760M3.7M4.9%04
SHEL
SHELL PLC
$662M7.1M4.3%05
MRSH
MARSH & MCLENNAN COS INC
$603M3.5M3.9%06
V
VISA INC
$585M1.9M3.8%07
APH
AMPHENOL CORP
$504M4.0M3.3%08
NOC
NORTHROP GRUMMAN CORP
$466M683K3.0%09
WAT
WATERS CORP
$418M1.4M2.7%10
G0403H108
AON PLC
$412M1.3M2.7%

Filing history

2026Q1Mar 31
$15.4B▼ 13.5%
126 positionsView →2025Q4Dec 31
$17.9B▼ 7.3%
125 positionsView →2025Q3Sep 30
$19.3B▼ 2.3%
141 positionsView →2025Q2Jun 30
$19.7B▼ 4.8%
138 positionsLocked2025Q1Mar 31
$20.7B▼ 6.0%
132 positionsLocked2024Q4Dec 31
$22.0B▲ 0.4%
127 positionsLocked2024Q3Sep 30
$21.9B▲ 3.9%
128 positionsLocked2024Q2Jun 30
$21.1B▼ 2.0%
130 positionsLocked2024Q1Mar 31
$21.6B▲ 10.4%
130 positionsLocked2023Q4Dec 31
$19.5B▲ 4.3%
132 positionsLocked2023Q3Sep 30
$18.7B▼ 2.1%
132 positionsLocked2023Q2Jun 30
$19.1B▲ 4.3%
128 positionsLocked
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