1y return+1.6%S&P 500 +20.9%
3y return+16.1%S&P 500 +68.5%
5y return+20.8%S&P 500 +74.5%
10y return+136.9%S&P 500 +256.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since June 30, 2016: $237 against $357 in the S&P 500.2
Mawer Investment Management Ltd.S&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| GOOGAlphabet Inc | $947.7M | 6.4% | −17.9% |
| AMZNAmazon Com Inc | $721.7M | 4.9% | −17.0% |
| MSFTMicrosoft Corp | $626.6M | 4.3% | −27.4% |
| SHELShell PLC | $621.4M | 4.2% | +12.5% |
| NVDANvidia Corporation | $616.0M | 4.2% | +223.5% |
| VVisa Inc | $593.6M | 4.0% | −10.7% |
| WATWaters Corp | $456.4M | 3.1% | −13.3% |
| CORCencora Inc | $421.3M | 2.9% | +44.4% |
| APHAmphenol Corp | $415.8M | 2.8% | −40.8% |
| Aon PLCCUSIP G0403H108 | $388.6M | 2.6% | −8.3% |
| Aercap Holdings NvCUSIP N00985106 | $352.8M | 2.4% | −9.7% |
| WFCWells Fargo & Co | $346.7M | 2.4% | −10.2% |
| NOCNorthrop Grumman Corp | $339.7M | 2.3% | −2.4% |
| AEPAmerican Elec Pwr Co Inc | $312.5M | 2.1% | +71.1% |
| MRSHMarsh & Mclennan Cos Inc | $311.9M | 2.1% | −46.2% |
| BRK/ABerkshire Hathaway Inc Del | $310.8M | 2.1% | −18.5% |
| METAMeta Platforms Inc | $307.4M | 2.1% | −11.0% |
| JPMJpmorgan Chase & Co | $303.7M | 2.1% | −16.7% |
| SOSouthern Co | $289.4M | 2.0% | −11.6% |
| Tower Semiconductor LtdCUSIP M87915274 | $270.6M | 1.8% | +7.6% |
| ICEIntercontinental Exchange In | $250.1M | 1.7% | −2.4% |
| MAMastercard Incorporated | $223.0M | 1.5% | −4.0% |
| CMECme Group Inc | $211.1M | 1.4% | −7.3% |
| SPGIS&p Global Inc | $174.5M | 1.2% | +11.9% |
| SIISprott Inc | $148.4M | 1.0% | −2.3% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| APHAmphenol Corp | June 30, 2020 | +636.1% | $415.8M |
| GOOGAlphabet Inc | June 30, 2020 | +399.9% | $947.7M |
| BWXTBwx Technologies Inc | December 31, 2021 | +306.6% | $134.3M |
| JPMJpmorgan Chase & Co | June 30, 2020 | +248.0% | $303.7M |
| CORCencora Inc | June 30, 2020 | +180.8% | $421.3M |
| BKNGBooking Holdings Inc | June 30, 2020 | +179.8% | $132.0M |
| AJGGallagher Arthur J & Co | June 30, 2020 | +135.5% | $117.1M |
| TXNTexas Instrs Inc | June 30, 2020 | +134.8% | $133.3M |
| WATWaters Corp | June 30, 2020 | +107.9% | $456.4M |
| MSFTMicrosoft Corp | June 30, 2020 | +83.3% | $626.6M |
Sold off last quarter
- OSISOsi Systems Inc was $175.9M
- NTESNetease Com Inc was $58.4M
- ENSGEnsign Group Inc was $34.0M
- MKCMccormick & Co Inc was $20.1M
- WMGWarner Music Group Corp was $8.7M
- LGNLegence Corp was $7.6M
- KSPIKaspi Kz Jsc was $5.4M
- PDDPdd Holdings Inc was $3.5M
- CHRDChord Energy Corporation was $3.3M
- ORLYOreilly Automotive Inc was $3.2M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +4.2% | +14.8% |
| March 31, 2026 | −6.1% | −4.6% |
| December 31, 2025 | +0.8% | +2.4% |
| September 30, 2025 | +3.1% | +7.8% |
| June 30, 2025 | +1.9% | +10.5% |
| March 31, 2025 | −1.1% | −4.6% |
| December 31, 2024 | −2.4% | +2.1% |
| September 30, 2024 | +4.4% | +5.4% |
| June 30, 2024 | −1.8% | +4.0% |
| March 31, 2024 | +6.9% | +10.0% |
| December 31, 2023 | +7.6% | +11.2% |
| September 30, 2023 | −1.5% | −3.6% |
| June 30, 2023 | +7.4% | +8.3% |
| March 31, 2023 | +5.2% | +7.0% |
| December 31, 2022 | +9.0% | +7.1% |
| September 30, 2022 | −6.4% | −5.3% |
| June 30, 2022 | −14.2% | −16.5% |
| March 31, 2022 | −5.6% | −4.9% |
| December 31, 2021 | +9.5% | +10.7% |
| September 30, 2021 | +1.9% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Mawer Investment Management Ltd. Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1538449&type=13F-HR&dateb=&owner=include&count=40CIK 1538449
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1538449/000094562126000992/Filed August 7, 2026 · accession 0000945621-26-000992