Seilern Investment Management Ltd

CIK

1817797

Location

LONDON, X0

Portfolio Value

Small $838,486,401

Diversification

Diversified

Filing Date

Global Rank

#1,972 / 8,586 ▼ 390

Top Industry

Software - Application 23.5%

3Y Alpha vs SPY

-24.7%

Period ended 3 months ago

Filed Apr 7, 2026 · 2mo

6 quarters · since Dec 2024

Clone Performance

Feb 2025–Jun 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio

-7.7%

SPY

+25.8%

Annualised alpha

-24.6%

Max drawdown

−20.3%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

24 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025

Top Position

10.6%

+0.9 pts

Top 5

40.5%

+2.0 pts

Top 10

70.5%

+3.0 pts

HHI

649

Diversified+33

Portfolio Trend

6 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026

Sector	% Portfolio	Value	Positions
Healthcare	47.8%	$400,416,257	8
Technology	33.4%	$280,305,358	7
Financial Services	11.6%	$97,469,937	5
Communication Services	6.4%	$53,338,354	1
Industrials	0.5%	$4,510,300	2
Consumer Cyclical	0.3%	$2,446,195	1

Last Quarter's Activity

Export CSV

Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased

2 positions

Ticker	Company	Δ Shares	Shares	Value
TYL	Tyler Technologies Inc	+31,234	182,258	$62,401,494
VEEV	Veeva Systems Inc	+2,453	316,325	$55,565,649
No positions match the current search.

Trimmed

Positions the filer reduced

22 positions

Ticker	Company	Δ Shares	Shares	Value
EW	Edwards Lifesciences Corp	−233,069	690,191	$55,270,495
GOOGL	Alphabet Inc.	−83,944	185,486	$53,338,354
UNH	Unitedhealth Group Inc	−74,817	281,119	$76,067,990
CPRT	Copart Inc	−68,960	68,854	$2,285,952
GGG	Graco Inc	−57,093	26,277	$2,224,348
ADBE	Adobe Inc.	−54,981	177,020	$43,030,021
ACN	Accenture plc	−53,375	172,985	$34,301,195
WST	West Pharmaceutical Services Inc	−52,208	226,021	$56,649,903
MSFT	Microsoft Corp	−51,974	131,825	$48,797,660
MA	Mastercard Inc	−41,206	177,965	$88,921,991
CDNS	Cadence Design Systems Inc	−35,206	145,672	$40,477,878
ISRG	Intuitive Surgical Inc	−34,055	98,358	$45,342,054
ADSK	Autodesk, Inc.	−31,863	205,128	$49,107,643
MTD	Mettler Toledo International Inc/	−30,518	22,534	$28,419,880
TW	Tradeweb Markets Inc.	−26,721	22,218	$2,614,169
IDXX	Idexx Laboratories Inc /De	−19,959	80,831	$45,418,130
CME	Cme Group Inc.	−16,656	7,170	$2,117,659
ZTS	Zoetis Inc.	−14,692	318,773	$37,682,156
ADP	Automatic Data Processing Inc	−14,285	10,776	$2,189,467
V	Visa Inc.	−11,459	5,796	$1,751,783
MCO	Moodys Corp /De/	−9,232	4,732	$2,064,335
BKNG	Booking Holdings Inc.	−998	581	$2,446,195
No positions match the current search.

New Positions

Positions the filer opened this quarter

No qualifying positions this quarter.

Sold Out

Positions the filer fully exited

No qualifying positions this quarter.

Portfolio Positions

Compact Export CSV View 13F filing

24 positions · $838,486,401 total · as of Mar 31, 2026

All sectors Communication Services Consumer Cyclical Financial Services Healthcare Industrials Technology

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
MA	Mastercard Inc Financial Services	Reduced	177,965	-41,206	$88,921,991	−28.9%	10.61%
UNH	Unitedhealth Group Inc Healthcare	Reduced	281,119	-74,817	$76,067,990	−35.3%	9.07%
TYL	Tyler Technologies Inc Technology	Added	182,258	+31,234	$62,401,494	−9.0%	7.44%
WST	West Pharmaceutical Services Inc Healthcare	Reduced	226,021	-52,208	$56,649,903	−26.0%	6.76%
VEEV	Veeva Systems Inc Healthcare	Added	316,325	+2,453	$55,565,649	−20.7%	6.63%
EW	Edwards Lifesciences Corp Healthcare	Reduced	690,191	-233,069	$55,270,495	−29.8%	6.59%
GOOGL	Alphabet Inc. Communication Services	Reduced	185,486	-83,944	$53,338,354	−36.8%	6.36%
ADSK	Autodesk, Inc. Technology	Reduced	205,128	-31,863	$49,107,643	−30.0%	5.86%
MSFT	Microsoft Corp Technology	Reduced	131,825	-51,974	$48,797,660	−45.1%	5.82%
IDXX	Idexx Laboratories Inc /De Healthcare	Reduced	80,831	-19,959	$45,418,130	−33.4%	5.42%
ISRG	Intuitive Surgical Inc Healthcare	Reduced	98,358	-34,055	$45,342,054	−39.5%	5.41%
ADBE	Adobe Inc. Technology	Reduced	177,020	-54,981	$43,030,021	−47.0%	5.13%
CDNS	Cadence Design Systems Inc Technology	Reduced	145,672	-35,206	$40,477,878	−28.4%	4.83%
ZTS	Zoetis Inc. Healthcare	Reduced	318,773	-14,692	$37,682,156	−10.2%	4.49%
ACN	Accenture plc Technology	Reduced	172,985	-53,375	$34,301,195	−43.5%	4.09%
MTD	Mettler Toledo International Inc/ Healthcare	Reduced	22,534	-30,518	$28,419,880	−61.6%	3.39%
TW	Tradeweb Markets Inc. Financial Services	Reduced	22,218	-26,721	$2,614,169	−50.3%	0.31%
BKNG	Booking Holdings Inc. Consumer Cyclical	Reduced	581	-998	$2,446,195	−71.1%	0.29%
CPRT	Copart Inc Industrials	Reduced	68,854	-68,960	$2,285,952	−57.6%	0.27%
GGG	Graco Inc Industrials	Reduced	26,277	-57,093	$2,224,348	−67.5%	0.27%
ADP	Automatic Data Processing Inc Technology	Reduced	10,776	-14,285	$2,189,467	−66.0%	0.26%
CME	Cme Group Inc. Financial Services	Reduced	7,170	-16,656	$2,117,659	−67.5%	0.25%
MCO	Moodys Corp /De/ Financial Services	Reduced	4,732	-9,232	$2,064,335	−71.1%	0.25%
V	Visa Inc. Financial Services	Reduced	5,796	-11,459	$1,751,783	−71.1%	0.21%