Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Seilern Investment Management Ltd 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Seilern Investment Management Ltd (CIK 1817797) reported $838.5M across 24 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: MA ($88.9M, 10.61%), UNH ($76.1M, 9.07%), TYL ($62.4M, 7.44%), WST ($56.6M, 6.76%), VEEV ($55.6M, 6.63%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1MAMASTERCARD INCORPORATED$88.9M10.61%177,965Trimmed
2UNHUNITEDHEALTH GROUP INC$76.1M9.07%281,119Trimmed
3TYLTYLER TECHNOLOGIES INC$62.4M7.44%182,258Added
4WSTWEST PHARMACEUTICAL SVSC INC$56.6M6.76%226,021Trimmed
5VEEVVEEVA SYS INC$55.6M6.63%316,325Added
6EWEDWARDS LIFESCIENCES CORP$55.3M6.59%690,191Trimmed
7GOOGLALPHABET INC$53.3M6.36%185,486Trimmed
8ADSKAUTODESK INC$49.1M5.86%205,128Trimmed
9MSFTMICROSOFT CORP$48.8M5.82%131,825Trimmed
10IDXXIDEXX LABS INC$45.4M5.42%80,831Trimmed
11ISRGINTUITIVE SURGICAL INC$45.3M5.41%98,358Trimmed
12ADBEADOBE INC$43.0M5.13%177,020Trimmed
13CDNSCADENCE DESIGN SYSTEM INC$40.5M4.83%145,672Trimmed
14ZTSZOETIS INC$37.7M4.49%318,773Trimmed
15ACNACCENTURE PLC IRELAND$34.3M4.09%172,985Trimmed
16MTDMETTLER TOLEDO INTERNATIONAL$28.4M3.39%22,534Trimmed
17TWTRADEWEB MKTS INC$2.6M0.31%22,218Trimmed
18BKNGBOOKING HOLDINGS INC$2.4M0.29%581Trimmed
19CPRTCOPART INC$2.3M0.27%68,854Trimmed
20GGGGRACO INC$2.2M0.27%26,277Trimmed
21ADPAUTOMATIC DATA PROCESSING IN$2.2M0.26%10,776Trimmed
22MCOMOODYS CORP$2.1M0.25%4,732Trimmed
23CMECME GROUP INC$2.1M0.25%7,170Trimmed
24VVISA INC$1.8M0.21%5,796Trimmed

Source: SEC Form 13F filings · as of 2026-03-31