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Mawer Investment Management

Mawer Investment Management Portfolio holdings

AUM $14.7B
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
Cap. Flow
-$1.42B
Cap. Flow %
-9.67%
Top 10 Hldgs %
39.49%
Holding
154
New
28
Increased
38
Reduced
75
Closed
12

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$437M
2
COR icon
Cencora
COR
+$132M
3
AEP icon
American Electric Power
AEP
+$125M
4
SHEL icon
Shell
SHEL
+$77.1M
5
MCK icon
McKesson
MCK
+$75.1M

Top Sells

Rank Stock Value
1
MRSH
Marsh
MRSH
+$268M
2
MSFT icon
Microsoft
MSFT
+$257M
3
APH icon
Amphenol
APH
+$235M
4
GOOG icon
Alphabet (Google) Class C
GOOG
+$209M
5
OSIS icon
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
WMS icon
101
Advanced Drainage Systems
WMS
$10.9B
$14.3M 0.1%
91,012
+37,077
+69% +$5.3M
VVV icon
102
Valvoline
VVV
$4.51B
$13.5M 0.09%
342,685
-743,489
-68% -$25.9M
XYZ
103
Block Inc
XYZ
$47.5B
$13.1M 0.09%
172,805
-5,252
-3% -$369K
FIX icon
104
Comfort Systems
FIX
$59.6B
$13M 0.09%
6,534
+1,338
+26% +$2.43M
GLBE icon
105
Global E Online
GLBE
$7.11B
$11.8M 0.08%
+340,500
New +$10.8M
NSP icon
106
Insperity
NSP
$2.01B
$11.4M 0.08%
275,434
-471,509
-63% -$15.5M
RBA icon
107
RB Global
RBA
$17.5B
$11.2M 0.08%
96,455
-3,236
-3% -$340K
CART icon
108
Maplebear
CART
$11.8B
$10.9M 0.07%
+230,600
New +$9.64M
TWST icon
109
Twist Bioscience
TWST
$7.25B
$10.2M 0.07%
+99,251
New +$6.46M
WAY
110
Waystar Holding Corp
WAY
$4.65B
$9.86M 0.07%
480,069
+26,900
+6% +$566K
XPO icon
111
XPO
XPO
$23.7B
$9.69M 0.07%
47,204
+14,194
+43% +$3M
FND icon
112
Floor & Decor
FND
$6.68B
$9.52M 0.06%
+160,400
New +$8.12M
TBBB icon
113
BBB Foods
TBBB
$4.92B
$8.86M 0.06%
+212,570
New +$8.11M
CSW
114
CSW Industrials
CSW
$5.71B
$8.56M 0.06%
30,757
+11,840
+63% +$3.28M
SAIA icon
115
Saia
SAIA
$9.72B
$8.36M 0.06%
19,852
+1,008
+5% +$443K
GTX icon
116
Garrett Motion
GTX
$5.57B
$8.3M 0.06%
229,213
+49,653
+28% +$1.38M
MTRN icon
117
Materion
MTRN
$6.04B
$7.99M 0.05%
+26,872
New +$5.63M
VG
118
Venture Global Inc
VG
$32.9B
$7.95M 0.05%
714,711
-55,704
-7% -$705K
AMTM
119
Amentum Holdings
AMTM
$6.05B
$7.64M 0.05%
369,557
+35,767
+11% +$865K
MUX icon
120
McEwen Inc
MUX
$1.18B
$7.45M 0.05%
410,707
-296,144
-42% -$6.4M
BKTI icon
121
BK Technologies
BKTI
$291M
$7.35M 0.05%
85,429
-31,475
-27% -$2.73M
LMT icon
122
Lockheed Martin
LMT
$136B
$7.24M 0.05%
+14,217
New +$7.69M
FANG icon
123
Diamondback Energy
FANG
$52.7B
$5.73M 0.04%
32,583
-27,471
-46% -$5.33M
PARR icon
124
Par Pacific Holdings
PARR
$3.32B
$5.38M 0.04%
+95,910
New +$5.71M
PEGA icon
125
Pegasystems
PEGA
$5.38B
$5.12M 0.03%
+170,958
New +$6.12M
3 4
5
6 7

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GF
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JFG
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FCAS
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Impax Asset Management Group
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AT
AMF Tjänstepension Stockholm, Sweden $15.1B AUM 30.1% 1-Year Est. Return
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IFP
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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.