Seilern Investment Management Ltd

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed July 7, 2025), Seilern Investment Management Ltd reported 22 stock positions worth $1.5 billion. Its top holding was Microsoft (MSFT) at 10.5% of the portfolio, followed by Mastercard Class A (MA, 9.7%) and Unitedhealth (UNH, 8.1%). Compared with Q1 2025, it sold out of 1, added to 3 and reduced 19. The biggest buy was Autodesk (ADSK, shares +601%) and the biggest sale an exit from Nike Class B (NKE).

Most Recent 13F
Q2 2026
Location
LONDON, X0
CIK
0001817797
Portfolio Value
$1.5B (Q2 2025)
SEC Filing
0001817797-25-000007 ↗ filed Jul 7, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q4 2024: $1.8B Q4 2024 Q1 2025: $1.5B Q1 2025 Q2 2025: $1.5B $1.5B Q2 2025 Q3 2025: $1.4B Q3 2025 Q4 2025: $1.3B Q4 2025 Q1 2026: $838.5M Q1 2026 Q2 2026: $793.8M Q2 2026

Holdings 22 stocks · $1.5B

MSFT Microsoft Corp. 10.54% 321,256 $159.8M Reduce -11.7%
MA Mastercard Inc. Class A 9.70% 261,583 $147.0M Reduce -6.2%
UNH Unitedhealth Group Inc. 8.08% 392,681 $122.5M Add +49.3%
IDXX Idexx Laboratories Inc. 7.51% 212,176 $113.8M Reduce -20.2%
EW Edwards Lifesciences Corp. 6.39% 1,238,875 $96.9M Reduce -9.5%
VEEV Veeva Systems Inc. Class A 6.39% 336,049 $96.8M Reduce -19.9%
GOOGL Alphabet Inc. Class A 6.27% 539,309 $95.0M Reduce -6.0%
WST West Pharmaceutical Services 6.23% 431,561 $94.4M Reduce -2.2%
ADBE Adobe Inc. 6.08% 238,152 $92.1M Reduce -5.0%
TYL Tyler Technologies Inc. 5.69% 145,513 $86.3M Reduce -2.8%
MTD Mettler-Toledo International 4.98% 64,288 $75.5M Reduce -5.8%
CDNS Cadence Design SYS Inc. 4.92% 242,180 $74.6M Reduce -5.0%
ISRG Intuitive Surgical Inc. 4.46% 124,511 $67.7M Reduce -1.8%
ADSK Autodesk Inc. 4.44% 217,272 $67.3M Add +601.4%
ACN Accenture PLC Class A 4.22% 214,063 $64.0M Reduce -0.3%
BKNG Booking Holdings Inc. 0.72% 1,889 $10.9M Reduce -25.6%
ADP Automatic Data Processing 0.69% 33,849 $10.4M Reduce -17.7%
ZTS Zoetis Inc. 0.64% 62,637 $9.8M Add +4.5%
MCO Moody's Corp. 0.55% 16,757 $8.4M Reduce -7.0%
GGG Graco Inc. 0.52% 91,477 $7.9M Reduce -9.5%
CME Cme Group Inc. 0.50% 27,310 $7.5M Reduce -7.5%
V Visa Inc. Class A 0.46% 19,761 $7.0M Reduce -18.8%

Portfolio Sells Q1 2025 → Q2 2025

NKE Nike Inc. Class B Sold out 0.00% −4.78
MA Mastercard Inc. Class A Reduce -6.2% 9.70% −0.29
MTD Mettler-Toledo International Reduce -5.8% 4.98% −0.28
WST West Pharmaceutical Services Reduce -2.2% 6.23% −0.23
ADBE Adobe Inc. Reduce -5.0% 6.08% −0.21
ACN Accenture PLC Class A Reduce -0.3% 4.22% −0.16
ADP Automatic Data Processing Reduce -17.7% 0.69% −0.13
EW Edwards Lifesciences Corp. Reduce -9.5% 6.39% −0.10
V Visa Inc. Class A Reduce -18.8% 0.46% −0.09
BKNG Booking Holdings Inc. Reduce -25.6% 0.72% −0.04
GGG Graco Inc. Reduce -9.5% 0.52% −0.03
CME Cme Group Inc. Reduce -7.5% 0.50% −0.02
TYL Tyler Technologies Inc. Reduce -2.8% 5.69% +0.00
MCO Moody's Corp. Reduce -7.0% 0.55% +0.01
VEEV Veeva Systems Inc. Class A Reduce -19.9% 6.39% +0.03
IDXX Idexx Laboratories Inc. Reduce -20.2% 7.51% +0.21
ISRG Intuitive Surgical Inc. Reduce -1.8% 4.46% +0.36
GOOGL Alphabet Inc. Class A Reduce -6.0% 6.27% +0.47
CDNS Cadence Design SYS Inc. Reduce -5.0% 4.92% +0.69
MSFT Microsoft Corp. Reduce -11.7% 10.54% +1.62

Portfolio Buys Q1 2025 → Q2 2025

ADSK Autodesk Inc. Add +601.4% 4.44% +3.91
ZTS Zoetis Inc. Add +4.5% 0.64% −0.00
UNH Unitedhealth Group Inc. Add +49.3% 8.08% −0.92

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 24$793.8MMA, UNH, VEEV, EW, IDXX
Q1 2026 24$838.5MMA, UNH, TYL, WST, VEEV
Q4 2025 24$1.3BMA, UNH, MSFT, GOOGL, ADBE
Q3 2025 22$1.4BUNH, MSFT, MA, GOOGL, IDXX
Q2 2025 22$1.5BMSFT, MA, UNH, IDXX, EW
Q1 2025 23$1.5BMA, UNH, MSFT, IDXX, EW
Q4 2024 21$1.8BMA, MSFT, UNH, WST, IDXX