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Mawer Investment Management 13F Portfolio

Portfolio Manager
Mawer Investment Management Ltd.
Performance
+4.15% (2026 Q2)
AUM (13F)
$14.71B
# of Holdings
142
Performance Rank
Allocation (Top 20)
60.87%
Latest filing
Q2 2026

Mawer Investment Management Ltd. Holdings Map

Top 50 Mawer Investment Management Ltd. Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
GOOG
ALPHABET INC
6.44%2.68M$947.7M
-17.89%(-584.25K)
2025-Q2: 5.21M shares2025-Q3: 4.20M shares2025-Q4: 3.67M shares2026-Q1: 3.27M shares2026-Q2: 2.68M shares
$69.70(+391.63%)
2026-06-30
AMZN
AMAZON COM INC
4.91%3.03M$721.7M
-17.04%(-621.94K)
2025-Q2: 3.97M shares2025-Q3: 4.49M shares2025-Q4: 4.07M shares2026-Q1: 3.65M shares2026-Q2: 3.03M shares
$146.41(+79.32%)
2026-06-30
MSFT
MICROSOFT CORP
4.26%1.68M$626.6M
-27.44%(-635.35K)
2025-Q2: 2.87M shares2025-Q3: 2.65M shares2025-Q4: 2.63M shares2026-Q1: 2.32M shares2026-Q2: 1.68M shares
$147.61(+229.30%)
2026-06-30
SHEL
SHELL PLC
4.22%8.01M$621.4M
+12.55%(+893.46K)
2025-Q2: 4.59M shares2025-Q3: 4.50M shares2025-Q4: 8.08M shares2026-Q1: 7.12M shares2026-Q2: 8.01M shares
$65.60(+39.34%)
2026-06-30
NVDA
NVIDIA CORPORATION
4.19%3.08M$616.0M
+223.55%(+2.13M)
2025-Q2: 2.0K shares2025-Q3: 56.9K shares2025-Q4: 356.9K shares2026-Q1: 951.5K shares2026-Q2: 3.08M shares
$182.37(+23.96%)
2026-06-30
V
VISA INC
4.04%1.73M$593.6M
-10.67%(-206.57K)
2025-Q2: 2.11M shares2025-Q3: 2.35M shares2025-Q4: 2.04M shares2026-Q1: 1.94M shares2026-Q2: 1.73M shares
$132.40(+173.38%)
2026-06-30
WAT
WATERS CORP
3.1%1.22M$456.4M
-13.30%(-186.68K)
2025-Q2: 476.6K shares2025-Q3: 1.55M shares2025-Q4: 1.30M shares2026-Q1: 1.40M shares2026-Q2: 1.22M shares
$284.79(+43.51%)
2026-06-30
COR
CENCORA INC
2.86%1.49M$421.3M
+44.38%(+457.68K)
2025-Q2: 671.6K shares2025-Q3: 650.7K shares2025-Q4: 618.3K shares2026-Q1: 1.03M shares2026-Q2: 1.49M shares
$237.33(+32.23%)
2026-06-30
APH
AMPHENOL CORP
2.83%2.36M$415.8M
-40.85%(-1.63M)
2025-Q2: 7.43M shares2025-Q3: 5.91M shares2025-Q4: 5.09M shares2026-Q1: 3.99M shares2026-Q2: 2.36M shares
$25.43(+561.63%)
2026-06-30
AON
AON PLC
2.64%1.17M$388.6M
-8.26%(-105.46K)
2025-Q2: 2.97M shares2025-Q3: 2.50M shares2025-Q4: 1.48M shares2026-Q1: 1.28M shares2026-Q2: 1.17M shares
$116.76(+204.75%)
2026-06-30

About Mawer Investment Management Ltd.โ€™s portfolio

Mawer Investment Management Ltd. reports $14.71B in US-listed equity holdings across 142 positions in its most recent 13F filing. Its largest disclosed positions are GOOG (6.4%), AMZN (4.9%) and MSFT (4.3%). The top 20 holdings account for 60.87% of reported assets. Its disclosed equity book has returned +15.01% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
GOOG โ€” 7.4% ($947.66M)AMZN โ€” 5.7% ($721.72M)MSFT โ€” 4.9% ($626.63M)SHEL โ€” 4.9% ($621.39M)NVDA โ€” 4.8% ($615.99M)V โ€” 4.7% ($593.61M)WAT โ€” 3.6% ($456.40M)COR โ€” 3.3% ($421.31M)APH โ€” 3.3% ($415.81M)AON โ€” 3.1% ($388.62M)Other โ€” 54.4% ($6.92B)
46%in top 10
  • GOOG7.4%
  • AMZN5.7%
  • MSFT4.9%
  • SHEL4.9%
  • NVDA4.8%
  • V4.7%
  • WAT3.6%
  • COR3.3%
  • APH3.3%
  • AON3.1%
  • Other54.4%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

Added to
14
NVDANVIDIA CORPORATION+223.5%
AEPAMERICAN ELEC PWR CO INC+71.1%
CORCENCORA INC+44.4%
MCKMCKESSON CORP+110.6%
+10 more
Trimmed
36
APHAMPHENOL CORP-40.8%
MRSHMARSH & MCLENNAN COS INC-46.2%
MSFTMICROSOFT CORP-27.4%
GOOGALPHABET INC-17.9%
+32 more

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Source filings

Holdings on this page are parsed from Mawer Investment Management Ltd.โ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1538449). View Mawer Investment Management Ltd.โ€™s 13F filings on SEC

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