Filed: 8/7/2025ACC: 0000945621-25-000670
📋 What this filing means
MAWER INVESTMENT MANAGEMENT LTD. filed this quarterly 13F‑HR report disclosing 110 equity positions with a total reported market value of $19.72B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
110
Positions
$19.72B
Total AUM (reported)
125.04M
Total Shares
Allocation by class
COM$12.30B62.4%
CL A$2.40B12.2%
SHS CL A$1.06B5.4%
COM CL A$986.36M5.0%
CAP STK CL C$923.67M4.7%
SPON ADS$520.96M2.6%
SPONSORED ADS$338.35M1.7%
Portfolio Concentration
Top 3$3.66B18.6%
4–10$5.41B27.4%
11–25$4.79B24.3%
Rest$5.86B29.7%
Top 3 weight
18.6%
Top 10 weight
46.0%
Voting Authority Distribution
Total shares with voting rights: 125.04M
Sole
Full voting authority
123.55M
shares
% of voting shares98.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
1.49M
shares
% of voting shares1.2%
Investment Discretion (by position count)
Sole82
Shared0
Other28
Dominant voting typeSole · 98.8% of voting shares
Institutional Holdings110
Rows:
MICROSOFT CORP
OTRShares2.87M
TypeSH
Market value$1.43B
7.25%
Sole
2.83M
Shared
0.00
None
38.53K
MARSH & MCLENNAN COS INC
OTRShares5.37M
TypeSH
Market value$1.18B
5.96%
Sole
5.30M
Shared
0.00
None
75.29K
AON PLC
OTRShares2.97M
TypeSH
Market value$1.06B
5.38%
Sole
2.92M
Shared
0.00
None
47.01K
ALPHABET INC
OTRShares5.21M
TypeSH
Market value$923.67M
4.68%
Sole
5.13M
Shared
0.00
None
73K
BOOKING HOLDINGS INC
OTRShares158.80K
TypeSH
Market value$919.34M
4.66%
Sole
156.03K
Shared
0.00
None
2.77K
AMAZON COM INC
OTRShares3.97M
TypeSH
Market value$870.93M
4.42%
Sole
3.92M
Shared
0.00
None
51.70K
VISA INC
OTRShares2.11M
TypeSH
Market value$750.54M
3.81%
Sole
2.09M
Shared
0.00
None
24.50K
AMPHENOL CORP NEW
OTRShares7.43M
TypeSH
Market value$733.53M
3.72%
Sole
7.37M
Shared
0.00
None
60.50K
FTI CONSULTING INC
OTRShares3.82M
TypeSH
Market value$616.31M
3.13%
Sole
3.77M
Shared
0.00
None
50.10K
BERKSHIRE HATHAWAY INC DEL
SOLEShares811.00
TypeSH
Market value$591.06M
3.00%
Sole
811.00
Shared
0.00
None
0.00
META PLATFORMS INC
OTRShares735.90K
TypeSH
Market value$543.16M
2.75%
Sole
723.10K
Shared
0.00
None
12.80K
NORTHROP GRUMMAN CORP
OTRShares984.01K
TypeSH
Market value$491.98M
2.49%
Sole
970.01K
Shared
0.00
None
14K
CDW CORP
OTRShares2.64M
TypeSH
Market value$471.90M
2.39%
Sole
2.60M
Shared
0.00
None
44.75K
JPMORGAN CHASE & CO.
OTRShares1.24M
TypeSH
Market value$360.06M
1.83%
Sole
1.23M
Shared
0.00
None
14.50K
UNITEDHEALTH GROUP INC
OTRShares1.06M
TypeSH
Market value$330.49M
1.68%
Sole
1.05M
Shared
0.00
None
13.33K
SHELL PLC
SOLEShares4.59M
TypeSH
Market value$323.22M
1.64%
Sole
4.53M
Shared
0.00
None
65.28K
LULULEMON ATHLETICA INC
OTRShares1.36M
TypeSH
Market value$322.98M
1.64%
Sole
1.34M
Shared
0.00
None
23.70K
INSPERITY INC
OTRShares4.84M
TypeSH
Market value$290.99M
1.48%
Sole
4.77M
Shared
0.00
None
66.60K
DEERE & CO
OTRShares559.42K
TypeSH
Market value$284.46M
1.44%
Sole
549.66K
Shared
0.00
None
9.76K
CORPAY INC
OTRShares816.49K
TypeSH
Market value$270.93M
1.37%
Sole
803.83K
Shared
0.00
None
12.66K
MEDPACE HLDGS INC
OTRShares817.43K
TypeSH
Market value$256.56M
1.30%
Sole
804.63K
Shared
0.00
None
12.80K
APTARGROUP INC
OTRShares1.40M
TypeSH
Market value$219.12M
1.11%
Sole
1.40M
Shared
0.00
None
2.32K
GALLAGHER ARTHUR J & CO
SOLEShares681.51K
TypeSH
Market value$218.16M
1.11%
Sole
681.51K
Shared
0.00
None
0.00
TRINET GROUP INC
OTRShares2.81M
TypeSH
Market value$205.27M
1.04%
Sole
2.76M
Shared
0.00
None
49.10K
FERGUSON ENTERPRISES INC
SOLEShares928.32K
TypeSH
Market value$202.14M
1.03%
Sole
915.24K
Shared
0.00
None
13.09K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPOTR | COM | 2.87M | SH | $1.43B 7.25% | 2.83M | 0.00 | 38.53K |
MARSH & MCLENNAN COS INCOTR | COM | 5.37M | SH | $1.18B 5.96% | 5.30M | 0.00 | 75.29K |
AON PLCOTR | SHS CL A | 2.97M | SH | $1.06B 5.38% | 2.92M | 0.00 | 47.01K |
ALPHABET INCOTR | CAP STK CL C | 5.21M | SH | $923.67M 4.68% | 5.13M | 0.00 | 73K |
BOOKING HOLDINGS INCOTR | COM | 158.80K | SH | $919.34M 4.66% | 156.03K | 0.00 | 2.77K |
AMAZON COM INCOTR | COM | 3.97M | SH | $870.93M 4.42% | 3.92M | 0.00 | 51.70K |
VISA INCOTR | COM CL A | 2.11M | SH | $750.54M 3.81% | 2.09M | 0.00 | 24.50K |
AMPHENOL CORP NEWOTR | CL A | 7.43M | SH | $733.53M 3.72% | 7.37M | 0.00 | 60.50K |
FTI CONSULTING INCOTR | COM | 3.82M | SH | $616.31M 3.13% | 3.77M | 0.00 | 50.10K |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 811.00 | SH | $591.06M 3.00% | 811.00 | 0.00 | 0.00 |
META PLATFORMS INCOTR | CL A | 735.90K | SH | $543.16M 2.75% | 723.10K | 0.00 | 12.80K |
NORTHROP GRUMMAN CORPOTR | COM | 984.01K | SH | $491.98M 2.49% | 970.01K | 0.00 | 14K |
CDW CORPOTR | COM | 2.64M | SH | $471.90M 2.39% | 2.60M | 0.00 | 44.75K |
JPMORGAN CHASE & CO.OTR | COM | 1.24M | SH | $360.06M 1.83% | 1.23M | 0.00 | 14.50K |
UNITEDHEALTH GROUP INCOTR | COM | 1.06M | SH | $330.49M 1.68% | 1.05M | 0.00 | 13.33K |
SHELL PLCSOLE | SPON ADS | 4.59M | SH | $323.22M 1.64% | 4.53M | 0.00 | 65.28K |
LULULEMON ATHLETICA INCOTR | COM | 1.36M | SH | $322.98M 1.64% | 1.34M | 0.00 | 23.70K |
INSPERITY INCOTR | COM | 4.84M | SH | $290.99M 1.48% | 4.77M | 0.00 | 66.60K |
DEERE & COOTR | COM | 559.42K | SH | $284.46M 1.44% | 549.66K | 0.00 | 9.76K |
CORPAY INCOTR | COM SHS | 816.49K | SH | $270.93M 1.37% | 803.83K | 0.00 | 12.66K |
MEDPACE HLDGS INCOTR | COM | 817.43K | SH | $256.56M 1.30% | 804.63K | 0.00 | 12.80K |
APTARGROUP INCOTR | COM | 1.40M | SH | $219.12M 1.11% | 1.40M | 0.00 | 2.32K |
GALLAGHER ARTHUR J & COSOLE | COM | 681.51K | SH | $218.16M 1.11% | 681.51K | 0.00 | 0.00 |
TRINET GROUP INCOTR | COM | 2.81M | SH | $205.27M 1.04% | 2.76M | 0.00 | 49.10K |
FERGUSON ENTERPRISES INCSOLE | COMMON STOCK NEW | 928.32K | SH | $202.14M 1.03% | 915.24K | 0.00 | 13.09K |
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