SEC 13F Intelligence

Managers / Q1 2026

Mawer Investment Management Ltd.

CIK 0001538449 · 517 10TH AVENUE S. W., SUITE 600, CALGARY, A0, T2R 0A8 · 403-262-4673

Reported Value
$15.4B
Q1 2026
Positions
126
Filings on Record
31
2019–present window
Filed
May 6, 2026
original filing

Summary

Mawer Investment Management Ltd. reported $15.4B in U.S.-listed holdings across 126 positions for Q1 2026.

Its largest position, GOOG, represents 6.1% of the portfolio.

Compared with Q4 2025, the fund opened 16 new positions and exited 15.

Portfolio Metrics

Turnover
+8.0%
vs prior filed quarter
Top-10 Concentration
+40.2%
share of reported value
Largest Position
+6.1%
Alphabet
New / Exited
16 / 15
positions this quarter

Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $12.0BQ4 ’18Q1 ’19: $14.0BQ2 ’19: $15.5BQ3 ’19: $10.9BQ4 ’19: $12.3BQ4 ’19Q1 ’20: $10.9BQ2 ’20: $13.6BQ3 ’20: $15.3BQ4 ’20: $17.0BQ4 ’20Q1 ’21: $18.4BQ2 ’21: $20.2BQ3 ’21: $20.9BQ4 ’21: $22.2BQ4 ’21Q1 ’22: $21.1BQ2 ’22: $17.6BQ3 ’22: $16.5BQ4 ’22: $17.7BQ4 ’22Q1 ’23: $18.3BQ2 ’23: $19.1BQ3 ’23: $18.7BQ4 ’23: $19.5BQ4 ’23Q1 ’24: $21.6BQ2 ’24: $21.1BQ3 ’24: $21.9BQ4 ’24: $22.0BQ4 ’24Q1 ’25: $20.7BQ2 ’25: $19.7BQ3 ’25: $19.3BQ4 ’25: $17.9BQ4 ’25Q1 ’26: $15.4Bfilingsflow.com

Portfolio Composition

By security type
Common Stock: 87.0%Other: 7.0%ADR: 6.0%
  • Common Stock · 87.0% · $13.4B
  • Other · 7.0% · $1.1B
  • ADR · 6.0% · $934M

Quarter-over-Quarter Changes full breakdown →

vs Q4 2025 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
TOWER SEMICONDUCTOR LTDNEW+965.0K965.0K+$169M$169M
MCKMCKESSON CORPNEW+85.7K85.7K+$74M$74M
VGVENTURE GLOBAL INCNEW+770.4K770.4K+$12M$12M
FANGDIAMONDBACK ENERGY INCNEW+60.1K60.1K+$12M$12M
BKTIBK TECHNOLOGIES CORPORATIONNEW+116.9K116.9K+$9M$9M
AMTMAMENTUM HOLDINGS INCNEW+333.8K333.8K+$9M$9M
SAIASAIA INCNEW+18.8K18.8K+$7M$7M
XPOXPO INCNEW+33.0K33.0K+$6M$6M

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q1 2026

50 positions
Export to Excel
#IssuerClass% PortfolioValue ↓Shares
1GOOGALPHABET INChistory →CAP STK CL C6.07%$937M3.27M
2MSFTMICROSOFT CORPhistory →COM5.55%$857M2.32M
3AMZNAMAZON COM INChistory →COM4.92%$760M3.65M
4SHELSHELL PLChistory →SPON ADS4.29%$662M7.12M
5MRSHMARSH & MCLENNAN COS INChistory →COM3.90%$603M3.48M
6VVISA INChistory →COM CL A3.79%$585M1.94M
7APHAMPHENOL CORPhistory →CL A3.26%$504M3.99M
8NOCNORTHROP GRUMMAN CORPhistory →COM3.02%$466M683.4K
9WATWATERS CORPhistory →COM2.71%$418M1.40M
10AON PLCSHS CL A2.67%$412M1.28M
11WFCWELLS FARGO & COhistory →COM2.41%$372M4.67M
12AERCAP HOLDINGS NVSHS2.38%$368M2.68M
13BRK/ABERKSHIRE HATHAWAY INC DELhistory →CL A2.37%$366M509
14METAMETA PLATFORMS INChistory →CL A2.27%$351M612.8K
15SOSOUTHERN COhistory →COM2.14%$330M3.42M
16JPMJPMORGAN CHASE & COhistory →COM2.12%$328M1.11M
17ICEINTERCONTINENTAL EXCHANGE INhistory →COM2.12%$327M2.08M
18ABGCENCORA INChistory →COM2.10%$324M1.03M
19CMECME GROUP INChistory →COM1.97%$305M1.03M
20BKNGBOOKING HOLDINGS INChistory →COM1.55%$239M56.7K
21FCNFTI CONSULTING INChistory →COM1.50%$232M1.31M
22MAMASTERCARD INCORPORATEDhistory →CL A1.46%$226M452.2K
23MEDPMEDPACE HLDGS INChistory →COM1.39%$214M446.1K
24SIISPROTT INChistory →COM NEW1.25%$193M1.35M
25OSISOSI SYSTEMS INChistory →COM1.14%$176M662.6K
26AEPAMERICAN ELEC PWR CO INChistory →COM1.13%$175M1.33M
27TOWER SEMICONDUCTOR LTDSHS NEW1.10%$169M965.0K
28NVDANVIDIA CORPORATIONhistory →COM1.07%$166M951.5K
29SPGIS&P GLOBAL INChistory →COM1.05%$163M383.1K
30UBERUBER TECHNOLOGIES INChistory →COM1.03%$159M2.21M
31FERGFERGUSON ENTERPRISES INChistory →COMMON STOCK NEW1.01%$157M672.0K
32MLMMARTIN MARIETTA MATLS INChistory →COM0.97%$151M255.7K
33BWXTBWX TECHNOLOGIES INChistory →COM0.97%$150M734.2K
34CPAYCORPAY INChistory →COM SHS0.97%$149M513.5K
35BACVERIZON COMMUNICATIONS INChistory →COM0.89%$137M2.73M
36ABTABBOTT LABORATORIEShistory →COM0.83%$129M1.25M
37CDWCDW CORPhistory →COM0.82%$127M1.05M
38AJGGALLAGHER ARTHUR J & COhistory →COM0.82%$126M581.3K
39PGPROCTER & GAMBLE COhistory →COM0.80%$123M851.2K
40CA8ACACI INTL INChistory →CL A0.79%$122M224.2K
41NU HLDGS LTDORD SHS CL A0.72%$111M7.70M
42ABNBAIRBNB INChistory →COM CL A0.70%$108M855.7K
43ZTSZOETIS INChistory →CL A0.58%$89M753.3K
44JNJJOHNSON & JOHNSONhistory →COM0.57%$89M362.1K
45ITTITT INChistory →COM0.56%$87M454.2K
46TXNTEXAS INSTRS INChistory →COM0.55%$85M437.6K
47ATRAPTARGROUP INChistory →COM0.54%$83M657.3K
48ESQESQUIRE FINL HLDGS INChistory →COM0.50%$78M725.2K
49MCKMCKESSON CORPhistory →COM0.48%$74M85.7K
50TWTRADEWEB MKTS INChistory →CL A0.48%$74M626.6K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$15.4B126May 6, 202613F-HRchanges · EDGAR ↗
Q4 2025$17.9B125Feb 10, 202613F-HRchanges · EDGAR ↗
Q3 2025$19.3B141Nov 4, 202513F-HRchanges · EDGAR ↗
Q2 2025$19.7B138Aug 7, 202513F-HRchanges · EDGAR ↗
Q1 2025$20.7B132May 7, 202513F-HRchanges · EDGAR ↗
Q4 2024$22.0B127Feb 12, 202513F-HRchanges · EDGAR ↗
Q3 2024$21.9B128Nov 7, 202413F-HRchanges · EDGAR ↗
Q2 2024$21.1B130Aug 7, 202413F-HRchanges · EDGAR ↗
Q1 2024$21.6B130May 6, 202413F-HRchanges · EDGAR ↗
Q4 2023$19.5B132Feb 7, 202413F-HRchanges · EDGAR ↗
Q3 2023$18.7B132Nov 6, 202313F-HRchanges · EDGAR ↗
Q2 2023$19.1B128Aug 9, 202313F-HRchanges · EDGAR ↗
Q1 2023$18.3B130May 5, 202313F-HRchanges · EDGAR ↗
Q4 2022$17.7B139Feb 8, 2023RESTATEMENTchanges · EDGAR ↗
Q3 2022$16.5B133Nov 9, 202213F-HRchanges · EDGAR ↗
Q2 2022$17.6B131Aug 9, 202213F-HRchanges · EDGAR ↗
Q1 2022$21.1B111May 6, 202213F-HRchanges · EDGAR ↗
Q4 2021$22.2B119Feb 9, 202213F-HRchanges · EDGAR ↗
Q3 2021$20.9B110Nov 10, 202113F-HRchanges · EDGAR ↗
Q2 2021$20.2B98Aug 11, 202113F-HRchanges · EDGAR ↗
Q1 2021$18.4B95May 14, 202113F-HRchanges · EDGAR ↗
Q4 2020$17.0B94Feb 9, 202113F-HRchanges · EDGAR ↗
Q3 2020$15.3B94Nov 13, 202013F-HRchanges · EDGAR ↗
Q2 2020$13.6B94Aug 10, 202013F-HRchanges · EDGAR ↗
Q1 2020$10.9B90May 7, 202013F-HRchanges · EDGAR ↗
Q4 2019$12.3B95Feb 10, 202013F-HRchanges · EDGAR ↗
Q3 2019$10.9B91Nov 14, 201913F-HRchanges · EDGAR ↗
Q2 2019$15.5B110Aug 6, 201913F-HRchanges · EDGAR ↗
Q1 2019$14.0B103May 9, 201913F-HRchanges · EDGAR ↗
Q4 2018$12.0B109Feb 12, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.