13F value (AUM)
$14.7B
Mawer
MAWER INVESTMENT MANAGEMENT LTD
$14.7B
13F long value · 2026-Q2Positions142
CategoryValue
Quarters tracked9
● #415 of 581 by 13F value
Size rank 3/10
13 NEW14 ADD6 2×+25 TRIM1 NEAR EXIT4 EXIT
Snapshot
Mawer's 13F portfolio at a glance — size, concentration and this quarter's activity.
Positions
142 (7 unmapped)
Top 100 weight
97.7%
Quarters tracked
9
Latest 13F filed
Aug 7, 2026
New positions
13
Exits / near-exits
5
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
Top holdings — 2026-Q2
The fund's largest reported positions. The 100 shown cover 97.7% of the portfolio.
| Ticker | Issuer | Weight | Value | Shares | Since 2026-Q2 |
|---|---|---|---|---|---|
| GOOG | ALPHABET INC | 6.4% | $947.7M | 2.7M | -1.4% |
| AMZN | AMAZON COM INC | 4.9% | $721.7M | 3.0M | +5.5% |
| MSFT | MICROSOFT CORP | 4.3% | $626.6M | 1.7M | +38.7% |
| SHEL | SHELL PLC | 4.2% | $621.4M | 8.0M | +12.1% |
| NVDA | NVIDIA CORPORATION | 4.2% | $616.0M | 3.1M | +16.9% |
| V | VISA INC | 4.0% | $593.6M | 1.7M | +5.1% |
| WAT | WATERS CORP | 3.1% | $456.4M | 1.2M | -20.1% |
| COR | CENCORA INC | 2.9% | $421.3M | 1.5M | +9.6% |
| APH | AMPHENOL CORP | 2.8% | $415.8M | 2.4M | -15.7% |
| — | AON PLC | 2.6% | $388.6M | 1.2M | — |
| — | AERCAP HOLDINGS NV | 2.4% | $352.8M | 2.4M | — |
| WFC | WELLS FARGO & CO | 2.4% | $346.7M | 4.2M | -2.5% |
| NOC | NORTHROP GRUMMAN CORP | 2.3% | $339.7M | 667.1K | +13.0% |
| AEP | AMERICAN ELEC PWR CO INC | 2.1% | $312.5M | 2.3M | -1.3% |
| MRSH | MARSH & MCLENNAN COS INC | 2.1% | $311.9M | 1.9M | +2.1% |
Quarterly changes — 2026-Q2
What Mawer opened, added, trimmed and exited this quarter, largest dollar moves first.
| Action | Ticker | Issuer | Prev shares | Curr shares | Change | Value Δ |
|---|---|---|---|---|---|---|
| 2×+ | NVDA | NVIDIA CORPORATION | 951.5K | 3.1M | +223.5% | +$450.0M |
| TRIM | MRSH | MARSH & MCLENNAN COS INC | 3.5M | 1.9M | -46.2% | -$291.0M |
| TRIM | MSFT | MICROSOFT CORP | 2.3M | 1.7M | -27.4% | -$230.4M |
| EXIT | OSIS | OSI SYSTEMS INC | 662.6K | 0 | -100.0% | -$175.9M |
| ADD | AEP | AMERICAN ELEC PWR CO INC | 1.3M | 2.3M | +71.1% | +$137.5M |
| NEAR EXIT | FERG | FERGUSON ENTERPRISES INC | 672.0K | 144.8K | -78.5% | -$122.4M |
| TRIM | FCN | FTI CONSULTING INC | 1.3M | 736.9K | -43.8% | -$121.9M |
| TRIM | BKNG | BOOKING HOLDINGS INC | 56.7K | 740.5K | -47.8% | -$106.7M |
| ADD | COR | CENCORA INC | 1.0M | 1.5M | +44.4% | +$97.4M |
| TRIM | APH | AMPHENOL CORP | 4.0M | 2.4M | -40.8% | -$87.9M |
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.