Filed: 5/6/2026ACC: 0000945621-26-000636
📋 What this filing means
MAWER INVESTMENT MANAGEMENT LTD. filed this quarterly 13F‑HR report disclosing 126 equity positions with a total reported market value of $15.45B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
126
Positions
$15.45B
Total AUM (reported)
108.51M
Total Shares
Allocation by class
COM$9.19B59.5%
CL A$1.82B11.8%
CAP STK CL C$936.98M6.1%
COM CL A$766.71M5.0%
SPON ADS$729.14M4.7%
SHS CL A$412.22M2.7%
SHS$367.62M2.4%
Portfolio Concentration
Top 3$2.55B16.5%
4–10$3.65B23.6%
11–25$4.35B28.2%
Rest$4.89B31.7%
Top 3 weight
16.5%
Top 10 weight
40.2%
Voting Authority Distribution
Total shares with voting rights: 108.51M
Sole
Full voting authority
107.18M
shares
% of voting shares98.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
1.34M
shares
% of voting shares1.2%
Investment Discretion (by position count)
Sole126
Shared0
Other0
Dominant voting typeSole · 98.8% of voting shares
Institutional Holdings126
Rows:
ALPHABET INC
SOLEShares3.27M
TypeSH
Market value$936.98M
6.07%
Sole
3.20M
Shared
0.00
None
64.83K
MICROSOFT CORP
SOLEShares2.32M
TypeSH
Market value$857.03M
5.55%
Sole
2.27M
Shared
0.00
None
46.88K
AMAZON COM INC
SOLEShares3.65M
TypeSH
Market value$760.19M
4.92%
Sole
3.58M
Shared
0.00
None
70.91K
SHELL PLC
SOLEShares7.12M
TypeSH
Market value$662.19M
4.29%
Sole
6.98M
Shared
0.00
None
138.27K
MARSH & MCLENNAN COS INC
SOLEShares3.48M
TypeSH
Market value$602.84M
3.90%
Sole
3.40M
Shared
0.00
None
73.47K
VISA INC
SOLEShares1.94M
TypeSH
Market value$585.36M
3.79%
Sole
1.90M
Shared
0.00
None
36.44K
AMPHENOL CORP
SOLEShares3.99M
TypeSH
Market value$503.73M
3.26%
Sole
3.94M
Shared
0.00
None
48.11K
NORTHROP GRUMMAN CORP
SOLEShares683.36K
TypeSH
Market value$466.22M
3.02%
Sole
669.86K
Shared
0.00
None
13.51K
WATERS CORP
SOLEShares1.40M
TypeSH
Market value$418.00M
2.71%
Sole
1.38M
Shared
0.00
None
19.89K
AON PLC
SOLEShares1.28M
TypeSH
Market value$412.22M
2.67%
Sole
1.25M
Shared
0.00
None
24.84K
WELLS FARGO & CO
SOLEShares4.67M
TypeSH
Market value$371.79M
2.41%
Sole
4.56M
Shared
0.00
None
105.25K
AERCAP HOLDINGS NV
SOLEShares2.68M
TypeSH
Market value$367.62M
2.38%
Sole
2.62M
Shared
0.00
None
55.80K
BERKSHIRE HATHAWAY INC DEL
SOLEShares509.00
TypeSH
Market value$365.53M
2.37%
Sole
509.00
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares612.80K
TypeSH
Market value$350.60M
2.27%
Sole
596.02K
Shared
0.00
None
16.78K
SOUTHERN CO
SOLEShares3.42M
TypeSH
Market value$330.27M
2.14%
Sole
3.37M
Shared
0.00
None
56.20K
JPMORGAN CHASE & CO
SOLEShares1.11M
TypeSH
Market value$327.57M
2.12%
Sole
1.09M
Shared
0.00
None
20.92K
INTERCONTINENTAL EXCHANGE IN
SOLEShares2.08M
TypeSH
Market value$327.23M
2.12%
Sole
2.05M
Shared
0.00
None
33.52K
CENCORA INC
SOLEShares1.03M
TypeSH
Market value$323.93M
2.10%
Sole
1.02M
Shared
0.00
None
10.84K
CME GROUP INC
SOLEShares1.03M
TypeSH
Market value$304.59M
1.97%
Sole
1.02M
Shared
0.00
None
12.39K
BOOKING HOLDINGS INC
SOLEShares56.70K
TypeSH
Market value$238.73M
1.55%
Sole
55.38K
Shared
0.00
None
1.32K
FTI CONSULTING INC
SOLEShares1.31M
TypeSH
Market value$231.75M
1.50%
Sole
1.30M
Shared
0.00
None
13.89K
MASTERCARD INCORPORATED
SOLEShares452.21K
TypeSH
Market value$225.95M
1.46%
Sole
446.78K
Shared
0.00
None
5.43K
MEDPACE HLDGS INC
SOLEShares446.10K
TypeSH
Market value$214.21M
1.39%
Sole
437.89K
Shared
0.00
None
8.21K
SPROTT INC
SOLEShares1.35M
TypeSH
Market value$193.08M
1.25%
Sole
1.35M
Shared
0.00
None
0.00
OSI SYSTEMS INC
SOLEShares662.63K
TypeSH
Market value$175.94M
1.14%
Sole
662.63K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ALPHABET INCSOLE | CAP STK CL C | 3.27M | SH | $936.98M 6.07% | 3.20M | 0.00 | 64.83K |
MICROSOFT CORPSOLE | COM | 2.32M | SH | $857.03M 5.55% | 2.27M | 0.00 | 46.88K |
AMAZON COM INCSOLE | COM | 3.65M | SH | $760.19M 4.92% | 3.58M | 0.00 | 70.91K |
SHELL PLCSOLE | SPON ADS | 7.12M | SH | $662.19M 4.29% | 6.98M | 0.00 | 138.27K |
MARSH & MCLENNAN COS INCSOLE | COM | 3.48M | SH | $602.84M 3.90% | 3.40M | 0.00 | 73.47K |
VISA INCSOLE | COM CL A | 1.94M | SH | $585.36M 3.79% | 1.90M | 0.00 | 36.44K |
AMPHENOL CORPSOLE | CL A | 3.99M | SH | $503.73M 3.26% | 3.94M | 0.00 | 48.11K |
NORTHROP GRUMMAN CORPSOLE | COM | 683.36K | SH | $466.22M 3.02% | 669.86K | 0.00 | 13.51K |
WATERS CORPSOLE | COM | 1.40M | SH | $418.00M 2.71% | 1.38M | 0.00 | 19.89K |
AON PLCSOLE | SHS CL A | 1.28M | SH | $412.22M 2.67% | 1.25M | 0.00 | 24.84K |
WELLS FARGO & COSOLE | COM | 4.67M | SH | $371.79M 2.41% | 4.56M | 0.00 | 105.25K |
AERCAP HOLDINGS NVSOLE | SHS | 2.68M | SH | $367.62M 2.38% | 2.62M | 0.00 | 55.80K |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 509.00 | SH | $365.53M 2.37% | 509.00 | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 612.80K | SH | $350.60M 2.27% | 596.02K | 0.00 | 16.78K |
SOUTHERN COSOLE | COM | 3.42M | SH | $330.27M 2.14% | 3.37M | 0.00 | 56.20K |
JPMORGAN CHASE & COSOLE | COM | 1.11M | SH | $327.57M 2.12% | 1.09M | 0.00 | 20.92K |
INTERCONTINENTAL EXCHANGE INSOLE | COM | 2.08M | SH | $327.23M 2.12% | 2.05M | 0.00 | 33.52K |
CENCORA INCSOLE | COM | 1.03M | SH | $323.93M 2.10% | 1.02M | 0.00 | 10.84K |
CME GROUP INCSOLE | COM | 1.03M | SH | $304.59M 1.97% | 1.02M | 0.00 | 12.39K |
BOOKING HOLDINGS INCSOLE | COM | 56.70K | SH | $238.73M 1.55% | 55.38K | 0.00 | 1.32K |
FTI CONSULTING INCSOLE | COM | 1.31M | SH | $231.75M 1.50% | 1.30M | 0.00 | 13.89K |
MASTERCARD INCORPORATEDSOLE | CL A | 452.21K | SH | $225.95M 1.46% | 446.78K | 0.00 | 5.43K |
MEDPACE HLDGS INCSOLE | COM | 446.10K | SH | $214.21M 1.39% | 437.89K | 0.00 | 8.21K |
SPROTT INCSOLE | COM NEW | 1.35M | SH | $193.08M 1.25% | 1.35M | 0.00 | 0.00 |
OSI SYSTEMS INCSOLE | COM | 662.63K | SH | $175.94M 1.14% | 662.63K | 0.00 | 0.00 |
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