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Seilern Investment Management Ltd

13F filer · CIK 0001817797
Reported Jul 8, 2026
Net seller this quarter
13F portfolio value$794MU.S. long equity reported on 13F
Positions240 new · 0 closed
Net flow last quarter-$85.5MBuys minus sells
Top 10 positions weight69.2%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Jul 8, 202624 positions
MAMastercard Inc$87M10.96%0.01%-4.8%Q4 2024
UNHUnitedhealth Group Inc$66.5M8.38%0.02%-43.1%Q4 2024
VEEVVeeva Systems Inc$56.3M7.09%0.20%+0.2%Q4 2024
EWEdwards Lifesciences Corp$54.3M6.84%0.10%-13.0%Q4 2024
IDXXIdexx Laboratories Inc$51.4M6.47%0.12%+20.7%Q4 2024
TYLTyler Technologies Inc$50.6M6.38%0.36%-5.0%Q4 2024
WSTWest Pharmaceutical Services Inc$49.6M6.25%0.20%-38.8%Q4 2024
ISRGIntuitive Surgical Inc$46M5.80%0.03%+17.6%Q4 2024
ADSKAutodesk, Inc.$44.3M5.58%0.11%+11.0%Q1 2025
GOOGLAlphabet Inc.$43.4M5.47%0.00%-34.5%Q4 2024
MSFTMicrosoft Corp$42.9M5.41%0.00%-12.7%Q4 2024
CDNSCadence Design Systems Inc$42.9M5.41%0.04%-21.5%Q1 2025
ADBEAdobe Inc.$36.9M4.65%0.05%+1.6%Q4 2024
ZTSZoetis Inc.$33.1M4.16%0.11%+44.3%Q4 2024
CPRTCopart Inc$29.7M3.74%0.11%+1428.9%Q4 2025
MTDMettler Toledo International Inc/$26.9M3.39%0.11%-6.6%Q4 2024
ACNAccenture plc$20.4M2.57%0.03%-5.4%Q4 2024
BKNGBooking Holdings Inc.$2.2M0.28%0.00%-14.9%Q4 2024
TWTradeweb Markets Inc.$1.94M0.24%19488.00%-12.3%Q4 2025
VVisa Inc.$1.93M0.24%0.00%-3.0%Q4 2024
ADPAutomatic Data Processing Inc$1.88M0.24%0.00%-22.0%Q4 2024
MCOMoodys Corp$1.64M0.21%0.00%-23.3%Q4 2024
GGGGraco Inc$1.27M0.16%0.01%-36.1%Q4 2024
CMECme Group Inc.$839K0.11%0.00%-47.0%Q4 2024
Q1 2026Reported Apr 7, 202624 positions
MAMastercard Inc$88.9M10.61%0.01%-18.8%Q4 2024
UNHUnitedhealth Group Inc$76.1M9.07%0.03%-21.0%Q4 2024
TYLTyler Technologies Inc$62.4M7.44%0.38%+20.7%Q4 2024
WSTWest Pharmaceutical Services Inc$56.6M6.76%0.32%-18.8%Q4 2024
VEEVVeeva Systems Inc$55.6M6.63%0.19%+0.8%Q4 2024
EWEdwards Lifesciences Corp$55.3M6.59%0.12%-25.2%Q4 2024
GOOGLAlphabet Inc.$53.3M6.36%0.00%-31.2%Q4 2024
ADSKAutodesk, Inc.$49.1M5.86%0.10%-13.4%Q1 2025
MSFTMicrosoft Corp$48.8M5.82%0.00%-28.3%Q4 2024
IDXXIdexx Laboratories Inc$45.4M5.42%0.10%-19.8%Q4 2024
ISRGIntuitive Surgical Inc$45.3M5.41%0.03%-25.7%Q4 2024
ADBEAdobe Inc.$43M5.13%0.04%-23.7%Q4 2024
CDNSCadence Design Systems Inc$40.5M4.83%0.05%-19.5%Q1 2025
ZTSZoetis Inc.$37.7M4.49%0.08%-4.4%Q4 2024
ACNAccenture plc$34.3M4.09%0.03%-23.6%Q4 2024
MTDMettler Toledo International Inc/$28.4M3.39%0.11%-57.5%Q4 2024
TWTradeweb Markets Inc.$2.61M0.31%22218.00%-54.6%Q4 2025
BKNGBooking Holdings Inc.$2.45M0.29%0.00%-63.2%Q4 2024
CPRTCopart Inc$2.29M0.27%0.01%-50.0%Q4 2025
GGGGraco Inc$2.22M0.27%0.02%-68.5%Q4 2024
ADPAutomatic Data Processing Inc$2.19M0.26%0.00%-57.0%Q4 2024
CMECme Group Inc.$2.12M0.25%0.00%-69.9%Q4 2024
MCOMoodys Corp$2.06M0.25%0.00%-66.1%Q4 2024
VVisa Inc.$1.75M0.21%0.00%-66.4%Q4 2024
Q4 2025Reported Jan 9, 202624 positions
MAMastercard Inc$125M9.70%0.02%-3.2%Q4 2024
UNHUnitedhealth Group Inc$117M9.11%0.04%-7.7%Q4 2024
MSFTMicrosoft Corp$88.9M6.89%0.00%-27.8%Q4 2024
GOOGLAlphabet Inc.$84.3M6.54%0.00%-38.4%Q4 2024
ADBEAdobe Inc.$81.2M6.30%0.06%-2.1%Q4 2024
EWEdwards Lifesciences Corp$78.7M6.10%0.16%-12.6%Q4 2024
WSTWest Pharmaceutical Services Inc$76.6M5.94%0.39%-14.9%Q4 2024
ISRGIntuitive Surgical Inc$75M5.82%0.04%-9.5%Q4 2024
MTDMettler Toledo International Inc/$74M5.74%0.24%-11.1%Q4 2024
ADSKAutodesk, Inc.$70.2M5.44%0.11%+8.3%Q1 2025
VEEVVeeva Systems Inc$70.1M5.43%0.19%+6.7%Q4 2024
TYLTyler Technologies Inc$68.6M5.32%0.31%+10.6%Q4 2024
IDXXIdexx Laboratories Inc$68.2M5.29%0.13%-28.7%Q4 2024
ACNAccenture plc$60.7M4.71%0.04%+13.7%Q4 2024
CDNSCadence Design Systems Inc$56.5M4.38%0.07%+556.7%Q1 2025
ZTSZoetis Inc.$42M3.25%0.08%+361.2%Q4 2024
BKNGBooking Holdings Inc.$8.46M0.66%0.00%-13.3%Q4 2024
MCOMoodys Corp$7.13M0.55%0.01%-5.6%Q4 2024
GGGGraco Inc$6.83M0.53%0.05%-9.6%Q4 2024
CMECme Group Inc.$6.51M0.50%0.01%-87.3%Q4 2024
ADPAutomatic Data Processing Inc$6.45M0.50%0.01%-26.6%Q4 2024
VVisa Inc.$6.05M0.47%0.00%-13.4%Q4 2024
CPRTCopart Inc$5.4M0.42%0.01%NewQ4 2025
TWTradeweb Markets Inc.$5.26M0.41%48939.00%NewQ4 2025
Q3 2025Reported Oct 14, 202522 positions
UNHUnitedhealth Group Inc$133M9.63%0.04%-1.8%Q4 2024
MSFTMicrosoft Corp$132M9.53%0.00%-20.8%Q4 2024
MAMastercard Inc$129M9.31%0.02%-13.4%Q4 2024
GOOGLAlphabet Inc.$106M7.69%0.00%-18.9%Q4 2024
IDXXIdexx Laboratories Inc$90.3M6.52%0.18%-33.4%Q4 2024
VEEVVeeva Systems Inc$87.6M6.33%0.18%-12.5%Q4 2024
WSTWest Pharmaceutical Services Inc$85.8M6.20%0.45%-24.2%Q4 2024
ADBEAdobe Inc.$83.6M6.04%0.06%-0.5%Q4 2024
EWEdwards Lifesciences Corp$82.1M5.93%0.18%-14.8%Q4 2024
MTDMettler Toledo International Inc/$73.2M5.29%0.29%-7.2%Q4 2024
TYLTyler Technologies Inc$71.4M5.16%0.28%-6.2%Q4 2024
ADSKAutodesk, Inc.$69.5M5.03%0.10%+0.8%Q1 2025
CMECme Group Inc.$65.8M4.75%0.06%+585.6%Q4 2024
ISRGIntuitive Surgical Inc$65.4M4.73%0.04%+17.5%Q4 2024
ACNAccenture plc$49.1M3.55%0.03%-7.0%Q4 2024
ZTSZoetis Inc.$10.6M0.76%0.02%+15.4%Q4 2024
ADPAutomatic Data Processing Inc$10M0.72%0.01%+0.9%Q4 2024
BKNGBooking Holdings Inc.$9.83M0.71%0.01%-3.6%Q4 2024
GGGGraco Inc$7.84M0.57%0.06%+0.9%Q4 2024
CDNSCadence Design Systems Inc$7.44M0.54%0.01%-88.6%Q1 2025
MCOMoodys Corp$7.05M0.51%0.01%-11.7%Q4 2024
VVisa Inc.$6.8M0.49%0.00%+0.9%Q4 2024
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