Mawer Investment Management Ltd.
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$15.45B
Q ending 2026-03-31
Prior quarter
$17.85B
Q ending 2025-12-31
Change
-13.5% QoQ · -25.4% YoY
Positions
126
reported holdings
Largest positions
Top 100 of 126 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Alphabet Inc | GOOG | Shares | $937.0M | 3.3M |
| Microsoft Corp | MSFT | Shares | $857.0M | 2.3M |
| Amazon Com Inc | AMZN | Shares | $760.2M | 3.7M |
| Shell Plc | SHEL | Shares | $662.2M | 7.1M |
| Marsh & Mclennan Cos Inc | MRSH | Shares | $602.8M | 3.5M |
| Visa Inc | V | Shares | $585.4M | 1.9M |
| Amphenol Corp | APH | Shares | $503.7M | 4.0M |
| Northrop Grumman Corp | NOC | Shares | $466.2M | 683K |
| Waters Corp | WAT | Shares | $418.0M | 1.4M |
| Aon Plc | Shares | $412.2M | 1.3M | |
| Wells Fargo & Co | WFC | Shares | $371.8M | 4.7M |
| Aercap Holdings Nv | Shares | $367.6M | 2.7M | |
| Berkshire Hathaway Inc Del | BRK/A | Shares | $365.5M | 509 |
| Meta Platforms Inc | META | Shares | $350.6M | 613K |
| Southern Co | SO | Shares | $330.3M | 3.4M |
| Jpmorgan Chase & Co | JPM | Shares | $327.6M | 1.1M |
| Intercontinental Exchange In | ICE | Shares | $327.2M | 2.1M |
| Cencora Inc | COR | Shares | $323.9M | 1.0M |
| Cme Group Inc | CME | Shares | $304.6M | 1.0M |
| Booking Holdings Inc | BKNG | Shares | $238.7M | 57K |
| Fti Consulting Inc | FCN | Shares | $231.7M | 1.3M |
| Mastercard Incorporated | MA | Shares | $226.0M | 452K |
| Medpace Hldgs Inc | MEDP | Shares | $214.2M | 446K |
| Sprott Inc | SII | Shares | $193.1M | 1.4M |
| Osi Systems Inc | OSIS | Shares | $175.9M | 663K |
| American Elec Pwr Co Inc | AEP | Shares | $174.9M | 1.3M |
| Tower Semiconductor Ltd | Shares | $169.3M | 965K | |
| Nvidia Corporation | NVDA | Shares | $165.9M | 952K |
| S&P Global Inc | SPGI | Shares | $163.0M | 383K |
| Uber Technologies Inc | UBER | Shares | $159.2M | 2.2M |
| Ferguson Enterprises Inc | FERG | Shares | $156.8M | 672K |
| Martin Marietta Matls Inc | MLM | Shares | $150.5M | 256K |
| Bwx Technologies Inc | BWXT | Shares | $150.1M | 734K |
| Corpay Inc | CPAY | Shares | $149.4M | 513K |
| Verizon Communications Inc | VZ | Shares | $137.1M | 2.7M |
| Abbott Laboratories | ABT | Shares | $128.7M | 1.3M |
| Cdw Corp | CDW | Shares | $127.3M | 1.1M |
| Gallagher Arthur J & Co | AJG | Shares | $125.9M | 581K |
| Procter & Gamble Co | PG | Shares | $123.0M | 851K |
| Caci Intl Inc | CACI | Shares | $121.9M | 224K |
| Nu Hldgs Ltd | Shares | $110.7M | 7.7M | |
| Airbnb Inc | ABNB | Shares | $108.1M | 856K |
| Zoetis Inc | ZTS | Shares | $89.0M | 753K |
| Johnson & Johnson | JNJ | Shares | $88.5M | 362K |
| Itt Inc | ITT | Shares | $86.5M | 454K |
| Texas Instrs Inc | TXN | Shares | $85.0M | 438K |
| Aptargroup Inc | ATR | Shares | $82.8M | 657K |
| Esquire Finl Hldgs Inc | ESQ | Shares | $78.0M | 725K |
| Mckesson Corp | MCK | Shares | $74.1M | 86K |
| Tradeweb Mkts Inc | TW | Shares | $73.7M | 627K |
| Aaon Inc | AAON | Shares | $70.2M | 849K |
| Abbvie Inc | ABBV | Shares | $67.4M | 310K |
| Tencent Music Entmt Group | TME | Shares | $67.0M | 7.2M |
| Hdfc Bank Ltd | HDB | Shares | $66.8M | 2.7M |
| Danaher Corp Del | DHR | Shares | $64.2M | 339K |
| Netease Com Inc | NTES | Shares | $58.4M | 522K |
| Cognex Corp | CGNX | Shares | $58.1M | 1.2M |
| Novanta Inc | NOVT | Shares | $57.0M | 482K |
| Nike Inc | NKE | Shares | $56.5M | 1.1M |
| Becton Dickinson & Co | BDX | Shares | $55.9M | 355K |
| Elevance Health Inc Formerly | ELV | Shares | $55.3M | 189K |
| Hershey Co | HSY | Shares | $55.2M | 266K |
| Verisk Analytics Inc | VRSK | Shares | $54.1M | 285K |
| Bio Rad Labs Inc | BIO | Shares | $52.6M | 189K |
| Barrett Business Svcs Inc | BBSI | Shares | $49.7M | 1.7M |
| Taiwan Semiconductor Manufac | TSM | Shares | $45.4M | 134K |
| Borgwarner Inc | BWA | Shares | $45.3M | 834K |
| Ametek Inc | AME | Shares | $42.6M | 199K |
| Unitedhealth Group Inc | UNH | Shares | $39.7M | 147K |
| Boston Scientific Corp | BSX | Shares | $37.0M | 590K |
| Valvoline Inc | VVV | Shares | $36.6M | 1.1M |
| Ensign Group Inc | ENSG | Shares | $34.0M | 169K |
| Sherwin Williams Co | SHW | Shares | $33.2M | 104K |
| Openlane Inc | OPLN | Shares | $31.6M | 1.1M |
| Interparfums Inc | IPAR | Shares | $28.2M | 311K |
| Dorman Prods Inc | DORM | Shares | $26.6M | 255K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $26.2M | 55K |
| Interactive Brokers Group In | IBKR | Shares | $24.8M | 369K |
| Pathward Financial Inc | CASH | Shares | $24.0M | 269K |
| Atour Lifestyle Hldgs Ltd | ATAT | Shares | $23.9M | 648K |
| Kinsale Cap Group Inc | KNSL | Shares | $20.4M | 60K |
| Insperity Inc | NSP | Shares | $20.2M | 747K |
| Mccormick & Co Inc | MKC | Shares | $20.1M | 398K |
| Donnelley Finl Solutions Inc | DFIN | Shares | $20.0M | 424K |
| Kkr & Co Inc | KKR | Shares | $19.5M | 211K |
| Sandisk Corp | SNDK | Shares | $19.4M | 31K |
| Sharkninja Inc | Shares | $19.3M | 182K | |
| Resmed Inc | RMD | Shares | $18.9M | 84K |
| Ryan Specialty Holdings Inc | RYAN | Shares | $16.9M | 501K |
| Medline Inc | MDLN | Shares | $16.3M | 367K |
| Lpl Finl Hldgs Inc | LPLA | Shares | $14.7M | 49K |
| Mcewen Inc. | MUX | Shares | $14.4M | 707K |
| Kla Corp | KLAC | Shares | $13.9M | 9K |
| Venture Global Inc | VG | Shares | $12.1M | 770K |
| Diamondback Energy Inc | FANG | Shares | $11.9M | 60K |
| Waystar Hldg Corp | WAY | Shares | $10.9M | 453K |
| Block Inc | XYZ | Shares | $10.7M | 178K |
| Sprouts Fmrs Mkt Inc | SFM | Shares | $9.6M | 125K |
| Rb Global Inc | RBA | Shares | $9.6M | 100K |
| Bk Technologies Corporation | BKTI | Shares | $8.7M | 117K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.