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Seilern Investment Management 13F Portfolio

Portfolio Manager
Seilern Investment Management Ltd
Performance
+4.99% (2026 Q2)
AUM (13F)
$793.82M
# of Holdings
24
Performance Rank
N/A
Allocation (Top 20)
99.31%
Latest filing
Q2 2026

Seilern Investment Management Ltd Holdings Map

Top 24 Seilern Investment Management Ltd Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
MA
MASTERCARD INCORPORATED
10.96%169.4K$87.0M
-4.81%(-8.55K)
2025-Q2: 261.6K shares2025-Q3: 226.4K shares2025-Q4: 219.2K shares2026-Q1: 178.0K shares2026-Q2: 169.4K shares
$510.18(+10.50%)
2026-06-30
UNH
UNITEDHEALTH GROUP INC
8.38%160.0K$66.5M
-43.08%(-121.10K)
2025-Q2: 392.7K shares2025-Q3: 385.7K shares2025-Q4: 355.9K shares2026-Q1: 281.1K shares2026-Q2: 160.0K shares
$501.95(-18.75%)
2026-06-30
VEEV
VEEVA SYS INC
7.09%317.0K$56.3M
+0.22%(+707)
2025-Q2: 336.0K shares2025-Q3: 294.2K shares2025-Q4: 313.9K shares2026-Q1: 316.3K shares2026-Q2: 317.0K shares
$213.04(+9.37%)
2026-06-30
EW
EDWARDS LIFESCIENCES CORP
6.84%600.2K$54.3M
-13.03%(-89.96K)
2025-Q2: 1.24M shares2025-Q3: 1.06M shares2025-Q4: 923.3K shares2026-Q1: 690.2K shares2026-Q2: 600.2K shares
$70.01(+33.82%)
2026-06-30
IDXX
IDEXX LABS INC
6.47%97.6K$51.4M
+20.70%(+16.73K)
2025-Q2: 212.2K shares2025-Q3: 141.3K shares2025-Q4: 100.8K shares2026-Q1: 80.8K shares2026-Q2: 97.6K shares
$473.47(+25.91%)
2026-06-30
TYL
TYLER TECHNOLOGIES INC
6.38%173.2K$50.6M
-4.99%(-9.09K)
2025-Q2: 145.5K shares2025-Q3: 136.5K shares2025-Q4: 151.0K shares2026-Q1: 182.3K shares2026-Q2: 173.2K shares
$541.70(-40.58%)
2026-06-30
WST
WEST PHARMACEUTICAL SVSC INC
6.25%138.2K$49.6M
-38.84%(-87.79K)
2025-Q2: 431.6K shares2025-Q3: 327.0K shares2025-Q4: 278.2K shares2026-Q1: 226.0K shares2026-Q2: 138.2K shares
$313.86(+11.81%)
2026-06-30
ISRG
INTUITIVE SURGICAL INC
5.8%115.7K$46.0M
+17.63%(+17.34K)
2025-Q2: 124.5K shares2025-Q3: 146.2K shares2025-Q4: 132.4K shares2026-Q1: 98.4K shares2026-Q2: 115.7K shares
$492.99(-19.50%)
2026-06-30
ADSK
AUTODESK INC
5.58%227.7K$44.3M
+10.99%(+22.55K)
2025-Q2: 217.3K shares2025-Q3: 218.9K shares2025-Q4: 237.0K shares2026-Q1: 205.1K shares2026-Q2: 227.7K shares
$279.43(-9.27%)
2026-06-30
GOOGL
ALPHABET INC
5.47%121.4K$43.4M
-34.54%(-64.06K)
2025-Q2: 539.3K shares2025-Q3: 437.5K shares2025-Q4: 269.4K shares2026-Q1: 185.5K shares2026-Q2: 121.4K shares
$177.58(+97.92%)
2026-06-30

About Seilern Investment Management Ltdโ€™s portfolio

Seilern Investment Management Ltd reports $793.82M in US-listed equity holdings across 24 positions in its most recent 13F filing. Its largest disclosed positions are MA (11.0%), UNH (8.4%) and VEEV (7.1%). The top 20 holdings account for 99.31% of reported assets. Its disclosed equity book has returned -6.40% cumulatively over 6 quarters. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
MA โ€” 11.0% ($87.01M)UNH โ€” 8.4% ($66.51M)VEEV โ€” 7.1% ($56.26M)EW โ€” 6.8% ($54.30M)IDXX โ€” 6.5% ($51.36M)TYL โ€” 6.4% ($50.65M)WST โ€” 6.3% ($49.62M)ISRG โ€” 5.8% ($46.01M)ADSK โ€” 5.6% ($44.26M)GOOGL โ€” 5.5% ($43.39M)Other โ€” 30.8% ($244.44M)
69%in top 10
  • MA11.0%
  • UNH8.4%
  • VEEV7.1%
  • EW6.8%
  • IDXX6.5%
  • TYL6.4%
  • WST6.3%
  • ISRG5.8%
  • ADSK5.6%
  • GOOGL5.5%
  • Other30.8%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

Added to
7
CPRTCOPART INC+1428.9%
ZTSZOETIS INC+44.3%
IDXXIDEXX LABS INC+20.7%
ISRGINTUITIVE SURGICAL INC+17.6%
+3 more
Trimmed
17
UNHUNITEDHEALTH GROUP INC-43.1%
WSTWEST PHARMACEUTICAL SVSC INC-38.8%
GOOGLALPHABET INC-34.5%
CDNSCADENCE DESIGN SYSTEM INC-21.5%
+13 more

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Source filings

Holdings on this page are parsed from Seilern Investment Management Ltdโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1817797). View Seilern Investment Management Ltdโ€™s 13F filings on SEC

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