Stocks/Funds/CIK 1538449

Mawer Investment Management Ltd.

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1538449
Assets
$15.38B
-25.6% YoY
Holdings
125
Lifetime alpha vs market
-3.18% annual
Average hold time
4.0 yr
median 2.5 yr

Quarterly history

Cum return +7% vs S&P +23% · α -16% lifetimeAUM $15.4B · peak $22.2BFlow $-941M (-5%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-3.84%
trims when stocks drop
when a holding falls −10%+
Middle response
-4.52%
baseline attrition
Rally response
-3.68%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
GOOGAlphabet Inc.$937M6.1%+84.3%10.5 yr
MSFTMicrosoft Corporation$857M5.6%-0.6%7.8 yr
AMZNAmazon.com, Inc.$760M4.9%+9.5%9.3 yr
SHELShell plc$662M4.3%+32.0%3.8 yr
MMCMarsh & McLennan Compani$603M3.9%10.5 yr
VVisa Inc.$585M3.8%-13.1%10.5 yr
APHAmphenol Corporation$504M3.3%+93.6%10.3 yr
NOCNorthrop Grumman Corpora$466M3.0%+35.4%1.0 yr
WATWaters Corporation$418M2.7%-19.2%10.3 yr
AONAon plc$412M2.7%-18.4%6.0 yr
WFCWells Fargo & Company$372M2.4%+13.3%6.5 yr
AERAerCap Holdings N.V.$368M2.4%+35.6%1.0 yr
BRK-ABerkshire Hathaway Inc.$366M2.4%1.3 yr
METAMeta Platforms, Inc.$351M2.3%-0.4%1.8 yr
SOThe Southern Company$330M2.1%+8.4%5.0 yr

Portfolio composition (YoY)

Industry mix
Internet Content & Information8.8%+3.5pp$1.36B
Insurance - Brokers7.4%-7.2pp$1.14B
Software - Infrastructure5.7%-0.4pp$873M
Hardware, Equipment & Parts5.3%+2.0pp$814M
Financial - Credit Services5.3%+0.4pp$811M
Banks - Diversified5.3%+4.8pp$810M
Financial - Data & Stock Exchanges5.2%+2.5pp$795M
Specialty Retail5.0%+1.3pp$771M
Medical - Diagnostics & Research4.5%+1.6pp$696M
Oil & Gas Integrated4.3%+2.6pp$662M
Country
US83.5%+2.3pp
GB5.3%+2.8pp
IE5.1%-2.9pp
CA1.4%-0.5pp
Unknown1.2%-0.6pp
IL1.1%
CN1.0%-1.2pp
BR0.7%-0.9pp
Top 5: 24.8% · Top 10: 40.4% · Top 25: 68.6%

Winners

TickerPrev $PnLYoY %
GOOG$949M+0.80B84.3%
APH$582M+0.54B93.6%
MEDP$212M+0.12B57.6%
SHEL$361M+0.11B32.0%
AMZN$748M+0.07B9.5%

Losers

TickerPrev $PnLYoY %
BKNG$780M-0.75B-96.3%
AON$1.31B-0.24B-18.4%
V$846M-0.11B-13.1%
WAT$189M-0.04B-19.2%
ICE$235M-0.02B-7.8%

Top buys this quarter · 15

TSEM Tower Semiconductor Ltd.new+$169M
SO The Southern Company+$160M
NVDA NVIDIA Corporation+$104M
SPGI S&P Global Inc.+$75M
MCK McKesson Corporationnew+$74M
ZTS Zoetis Inc.+$47M
AEP American Electric Power Compan+$47M
NU Nu Holdings Ltd.+$45M
BSX Boston Scientific Corporation+$34M
WAT Waters Corporation+$418M

Top sells this quarter · 15

DE Deere & Companyexit$215M
ATR AptarGroup, Inc.$176M
FCN FTI Consulting, Inc.$176M
APH Amphenol Corporation$139M
GOOG Alphabet Inc.$116M
MSFT Microsoft Corporation$115M
NOC Northrop Grumman Corporation$111M
CDW CDW Corporation$89M
SHEL Shell plc$593M
AMZN Amazon.com, Inc.$87M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$15.38B125+1.94%+17.59%-15.65%-0.94B
2025-12-31$17.79B124+8.67%+17.72%-9.05%-1.74B
2025-09-30$19.18B109+5.23%+17.52%-12.28%-1.49B
2025-06-30$19.66B109+4.53%+14.94%-10.41%-1.79B
2025-03-31$20.66B104-1.31%+8.30%-9.61%-0.87B
2024-12-31$22.03B100+8.17%+24.89%-16.72%+0.39B
2024-09-30$21.95B101+19.25%+36.04%-16.79%-0.12B
2024-06-30$21.12B105+12.74%+24.49%-11.75%-0.01B
2024-03-31$21.56B105+23.63%+29.62%-5.99%+0.64B
2023-12-31$19.53B107+22.75%+26.18%-3.42%-0.82B
2023-09-30$18.71B104+22.63%+21.57%+1.06%-0.17B
2023-06-30$19.12B101+16.95%+19.42%-2.48%-0.58B
2023-03-31$18.33B103-4.83%-7.82%+2.99%-0.55B
2022-12-31$17.74B112+8.59%+7.56%+1.03%-0.17B
2022-09-30$16.49B106-5.81%-4.93%-0.88%-0.09B
2022-06-30$17.60B105-12.54%-16.11%+3.57%-0.81B