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Mawer Investment Management Portfolio holdings
AUM
$14.7B
Turnover
25.97%
1-Year Est. Return
12.5%
This Fund
S&P 500
This Quarter
Est. Return
+8.61%
1 Year Est. Return
+12.5%
3 Year Est. Return
+48.6%
5 Year Est. Return
+72.73%
10 Year Est. Return
+305.03%
AUM
$14.7B
AUM Growth
-$737M
(-4.8%)
Cap. Flow
-$1.42B
Cap. Flow
% of AUM
-9.67%
Top 10 Holdings %
Top 10 Hldgs %
39.49%
Holding
154
New
28
Increased
38
Reduced
75
Closed
12
Avg Time Held
3.4
years
Top 10 Avg Time Held
3.8
years
Top 20 Avg Time Held
3.5
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$437M |
| 2 |
Cencora
COR
|
+$132M |
| 3 |
American Electric Power
AEP
|
+$125M |
| 4 |
Shell
SHEL
|
+$77.1M |
| 5 |
McKesson
MCK
|
+$75.1M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Marsh
MRSH
|
+$268M |
| 2 |
Microsoft
MSFT
|
+$257M |
| 3 |
Amphenol
APH
|
+$235M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$209M |
| 5 |
OSI Systems
OSIS
|
+$176M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Financials | 25.91% |
| 2 | Technology | 21.3% |
| 3 | Healthcare | 12.89% |
| 4 | Industrials | 10.65% |
| 5 | Communication Services | 9.77% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
101
Advanced Drainage Systems
WMS
$9.69B
| $14.3M | 0.1% |
91,012
+37,077
| +69% | +$5.3M |
2024 Q1
9 quarters
|
|
102
Valvoline
VVV
$4.03B
| $13.5M | 0.09% |
342,685
-743,489
| -68% | -$25.9M |
2021 Q4
18 quarters
|
|
103
Block Inc
XYZ
$48B
| $13.1M | 0.09% |
172,805
-5,252
| -3% | -$369K |
2025 Q4
2 quarters
|
|
104
Comfort Systems
FIX
$52.1B
| $13M | 0.09% |
6,534
+1,338
| +26% | +$2.43M |
2025 Q4
2 quarters
|
|
105
Global E Online
GLBE
$6.76B
| $11.8M | 0.08% |
+340,500
| New | +$10.8M |
2026 Q2
0 quarters
|
|
106
Insperity
NSP
$1.94B
| $11.4M | 0.08% |
275,434
-471,509
| -63% | -$15.5M |
2017 Q1
37 quarters
|
|
107
RB Global
RBA
$16.1B
| $11.2M | 0.08% |
96,455
-3,236
| -3% | -$340K |
2023 Q3
11 quarters
|
|
108
Maplebear
CART
$12.1B
| $10.9M | 0.07% |
+230,600
| New | +$9.64M |
2026 Q2
0 quarters
|
|
109
Twist Bioscience
TWST
$9.58B
| $10.2M | 0.07% |
+99,251
| New | +$6.46M |
2026 Q2
0 quarters
|
|
110
Waystar Holding Corp
WAY
$5.41B
| $9.86M | 0.07% |
480,069
+26,900
| +6% | +$566K |
2025 Q4
2 quarters
|
|
111
XPO
XPO
$22.1B
| $9.69M | 0.07% |
47,204
+14,194
| +43% | +$3M |
2026 Q1
1 quarter
|
|
112
Floor & Decor
FND
$4.87B
| $9.52M | 0.06% |
+160,400
| New | +$8.12M |
2026 Q2
0 quarters
|
|
113
BBB Foods
TBBB
$6.76B
| $8.86M | 0.06% |
+212,570
| New | +$8.11M |
2026 Q2
0 quarters
|
|
114
CSW Industrials
CSW
$4.74B
| $8.56M | 0.06% |
30,757
+11,840
| +63% | +$3.28M |
2025 Q4
2 quarters
|
|
115
Saia
SAIA
$9.08B
| $8.36M | 0.06% |
19,852
+1,008
| +5% | +$443K |
2026 Q1
1 quarter
|
|
116
Garrett Motion
GTX
$4.56B
| $8.3M | 0.06% |
229,213
+49,653
| +28% | +$1.38M |
2026 Q1
1 quarter
|
|
117
Materion
MTRN
$5.25B
| $7.99M | 0.05% |
+26,872
| New | +$5.63M |
2026 Q2
0 quarters
|
|
118
Venture Global Inc
VG
$31.3B
| $7.95M | 0.05% |
714,711
-55,704
| -7% | -$705K |
2026 Q1
1 quarter
|
|
119
Amentum Holdings
AMTM
$4.67B
| $7.64M | 0.05% |
369,557
+35,767
| +11% | +$865K |
2026 Q1
1 quarter
|
|
120
McEwen Inc
MUX
$995M
| $7.45M | 0.05% |
410,707
-296,144
| -42% | -$6.4M |
2025 Q4
2 quarters
|
|
121
BK Technologies
BKTI
$251M
| $7.35M | 0.05% |
85,429
-31,475
| -27% | -$2.73M |
2026 Q1
1 quarter
|
|
122
Lockheed Martin
LMT
$123B
| $7.24M | 0.05% |
+14,217
| New | +$7.69M |
2026 Q2
0 quarters
|
|
123
Diamondback Energy
FANG
$54.8B
| $5.73M | 0.04% |
32,583
-27,471
| -46% | -$5.33M |
2026 Q1
1 quarter
|
|
124
Par Pacific Holdings
PARR
$4.2B
| $5.38M | 0.04% |
+95,910
| New | +$5.71M |
2026 Q2
0 quarters
|
|
125
Pegasystems
PEGA
$5.91B
| $5.12M | 0.03% |
+170,958
| New | +$6.12M |
2026 Q2
0 quarters
|
|
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Mawer Investment Management's Q2 2026 Portfolio in Review
As of Q2 2026, Mawer Investment Management held 154 positions worth $14.7B, down 4.8% from $15.4B the previous quarter. Its ten largest holdings account for 39% of the portfolio.
Mawer Investment Management withdrew a net $1.42B in Q2 2026, closing 12 positions and reducing 75 holdings. Its most notable exit was OSI Systems, an estimated $176M position sold in full.
By sector, the portfolio is most concentrated in Financials at 26% of assets, down from 29% a quarter earlier, followed by Technology and Healthcare.
Against the trend, Mawer Investment Management opened a new position in SK Telecom worth $54.9M.
- Mawer Investment Management's largest Q2 2026 buy was SK Telecom: 1,708,146 shares worth $54.9M.
- Mawer Investment Management added most to NVIDIA in Q2 2026, an estimated $437M increase.
- Mawer Investment Management's biggest Q2 2026 reduction was Marsh, cutting an estimated $268M.
- Mawer Investment Management fully exited OSI Systems in Q2 2026, selling an estimated $176M.
- Mawer Investment Management's ten largest holdings make up 39% of its $14.7B portfolio in Q2 2026.
- Mawer Investment Management opened 28 new positions and closed 12 in Q2 2026.
- Mawer Investment Management's portfolio value fell 4.8% quarter-over-quarter to $14.7B.
Based on Mawer Investment Management's 13F filing for Q2 2026, filed 7 Aug 2026.