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Seilern Investment Management LTD

CIK:0001817797
Private Equity
$7M AUM
22 holdings
London, United Kingdom
Founded:1989
36 employees
Latest filing:Sep 30, 2025

Seilern Investment Management Ltd is an independent and privately-owned investment management company specializing in quality growth equities with a focus on long-term investment strategies.

Investment Strategy

Specializes in quality growth investments with a focus on exceptional businesses having superior growth prospects, sustainable competitive advantages, high returns on invested capital, and low or no net debt.

Top Buys
C
CMECME GROUP INC
+$58.2M
G
GOOGLALPHABET INC
+$11.3M
U
UNHUNITEDHEALTH GROUP INC
+$10.7M
A
ADSKAUTODESK INC
+$2.3M
M
MCOMOODYS CORP
-$1.4M
Top Sells
C
CDNSCADENCE DESIGN SYSTEM INC
-$67.2M
M
MSFTMICROSOFT CORP
-$28.0M
I
IDXXIDEXX LABS INC
-$23.5M
M
MAMASTERCARD INCORPORATED
-$18.2M
A
ACNACCENTURE PLC IRELAND
-$14.9M

Top Holdings

U
UNHUNITEDHEALTH GROUP INC
+9.6%$133.2M
M
MSFTMICROSOFT CORP
+9.5%$131.8M
M
MAMASTERCARD INCORPORATED
+9.3%$128.8M
G
GOOGLALPHABET INC
+7.7%$106.4M
I
IDXXIDEXX LABS INC
+6.5%$90.3M

Equity Positions (22)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
U
UNH
UNITEDHEALTH GROUP INC9.63%$133.2M385,720$441.88$345.30+$10.7M
M
MSFT
MICROSOFT CORP9.53%$131.8M254,544$421.50$517.95-$28.0M
M
MA
MASTERCARD INCORPORATED9.31%$128.8M226,438$526.57$568.81-$18.2M
G
GOOGL
ALPHABET INC7.69%$106.4M437,529$189.30$243.10+$11.3M
I
IDXX
IDEXX LABS INC6.52%$90.3M141,276$413.44$638.89-$23.5M

Industry Allocation

SERVICES-PREPACKAGED SOFTWARE
+32.6%
SERVICES-BUSINESS SERVICES, NEC
+13.3%
ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES
+10.7%
HOSPITAL & MEDICAL SERVICE PLANS
+9.6%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+7.7%