Institutional Manager · CIK 0001538449
Mawer Investment Management Ltd.
CALGARY, A0 · File #028-14623
Latest AUM
$17.85B
Positions
125
Top-10 Concentration
47.9%
Filings
13
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 2025125 pos · $17.85B
- 13F HOLDINGS REPORTQ/E Sep 2025141 pos · $19.26B
- 13F HOLDINGS REPORTQ/E Jun 2025138 pos · $19.72B
- 13F HOLDINGS REPORTQ/E Mar 2025132 pos · $20.71B
- 13F HOLDINGS REPORTQ/E Dec 2024127 pos · $22.03B
- 13F HOLDINGS REPORTQ/E Sep 2024128 pos · $21.95B
- 13F COMBINATION REPORTQ/E Jun 2024130 pos · $21.12B
- 13F COMBINATION REPORTQ/E Mar 2024130 pos · $21.56B
- 13F COMBINATION REPORTQ/E Dec 2023132 pos · $18.71B
- 13F COMBINATION REPORTQ/E Sep 2023128 pos · $19.12B
- 13F COMBINATION REPORTQ/E Jun 2023130 pos · $18.33B
- 13F COMBINATION REPORT (Amended)Q/E Mar 2023139 pos · $17.74B
- 13F COMBINATION REPORTQ/E Mar 2023139 pos · $17.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 2,626,566 | $1.27B | 7.91% |
| 2 | ALPHABET INC | GOOG | 3,669,059 | $1.15B | 7.17% |
| 3 | AMAZON COM INC | AMZN | 4,069,955 | $939.4M | 5.85% |
| 4 | MARSH & MCLENNAN COS INC | 571748102 | 3,905,686 | $724.6M | 4.51% |
| 5 | VISA INC | V | 2,035,207 | $713.8M | 4.44% |
| 6 | AMPHENOL CORP NEW | 032095101 | 5,085,546 | $687.3M | 4.28% |
| 7 | BOOKING HOLDINGS INC | BKNG | 112,205 | $600.9M | 3.74% |
| 8 | SHELL PLC | RYDAF | 8,075,089 | $593.4M | 3.69% |
| 9 | AON PLC | AON | 1,477,693 | $521.4M | 3.25% |
| 10 | WATERS CORP | 941848103 | 1,298,752 | $493.3M | 3.07% |
| 11 | NORTHROP GRUMMAN CORP | NOC | 846,131 | $482.5M | 3.00% |
| 12 | AERCAP HOLDINGS NV | AER | 3,272,935 | $470.5M | 2.93% |
| 13 | WELLS FARGO CO NEW | 949746101 | 4,876,127 | $454.5M | 2.83% |
| 14 | META PLATFORMS INC | META | 688,205 | $454.3M | 2.83% |
| 15 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 587 | $443.1M | 2.76% |
| 16 | FTI CONSULTING INC | FCN | 2,305,748 | $393.9M | 2.45% |
| 17 | INTERCONTINENTAL EXCHANGE IN | 45866F104 | 2,430,848 | $393.7M | 2.45% |
| 18 | JPMORGAN CHASE & CO. | VYLD | 1,015,553 | $327.2M | 2.04% |
| 19 | CME GROUP INC | CME | 1,140,499 | $311.4M | 1.94% |
| 20 | MASTERCARD INCORPORATED | MA | 463,159 | $264.4M | 1.65% |