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Seilern Investment Management Portfolio holdings

AUM $794M
1-Year Est. Return 6.63%
This Fund
S&P 500
This Quarter Est. Return
-16.06%
1 Year Est. Return
-6.63%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$838M
AUM Growth
-$451M
Cap. Flow
-$263M
Cap. Flow %
-31.36%
Top 10 Hldgs %
70.55%
Holding
24
New
–
Increased
2
Reduced
22
Closed
–

Top Buys

Rank Stock Value
1
TYL icon
Tyler Technologies
TYL
+$11.6M
2
VEEV icon
Veeva Systems
VEEV
+$482K

Top Sells

Rank Stock Value
1
MTD icon
Mettler-Toledo International
MTD
+$41.2M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$26.4M
3
UNH icon
UnitedHealth
UNH
+$22.3M
4
MSFT icon
Microsoft
MSFT
+$21.7M
5
MA icon
Mastercard
MA
+$21.7M

Sector Composition

Rank Sector Weight
1 Healthcare 47.75%
2 Technology 33.43%
3 Financials 11.62%
4 Communication Services 6.36%
5 Industrials 0.54%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MA icon
1
Mastercard
MA
$494B
$88.9M 10.61%
177,965
-41,206
-19% -$21.7M
UNH icon
2
UnitedHealth
UNH
$369B
$76.1M 9.07%
281,119
-74,817
-21% -$22.3M
TYL icon
3
Tyler Technologies
TYL
$12.6B
$62.4M 7.44%
182,258
+31,234
+21% +$11.6M
WST icon
4
West Pharmaceutical
WST
$24.9B
$56.6M 6.76%
226,021
-52,208
-19% -$13M
VEEV icon
5
Veeva Systems
VEEV
$37B
$55.6M 6.63%
316,325
+2,453
+0.8% +$482K
EW icon
6
Edwards Lifesciences
EW
$51.5B
$55.3M 6.59%
690,191
-233,069
-25% -$19.2M
GOOGL icon
7
Alphabet (Google) Class A
GOOGL
$4.34T
$53.3M 6.36%
185,486
-83,944
-31% -$26.4M
ADSK icon
8
Autodesk
ADSK
$52.5B
$49.1M 5.86%
205,128
-31,863
-13% -$8.01M
MSFT icon
9
Microsoft
MSFT
$3.73T
$48.8M 5.82%
131,825
-51,974
-28% -$21.7M
IDXX icon
10
Idexx Laboratories
IDXX
$46.5B
$45.4M 5.42%
80,831
-19,959
-20% -$12.8M
ISRG icon
11
Intuitive Surgical
ISRG
$133B
$45.3M 5.41%
98,358
-34,055
-26% -$17.2M
ADBE icon
12
Adobe
ADBE
$105B
$43M 5.13%
177,020
-54,981
-24% -$15.2M
CDNS icon
13
Cadence Design Systems
CDNS
$94.1B
$40.5M 4.83%
145,672
-35,206
-19% -$10.5M
ZTS icon
14
Zoetis
ZTS
$30.8B
$37.7M 4.49%
318,773
-14,692
-4% -$1.82M
ACN icon
15
Accenture
ACN
$106B
$34.3M 4.09%
172,985
-53,375
-24% -$12.4M
MTD icon
16
Mettler-Toledo International
MTD
$28.5B
$28.4M 3.39%
22,534
-30,518
-58% -$41.2M
TW icon
17
Tradeweb Markets
TW
$21.7B
$2.61M 0.31%
22,218
-26,721
-55% -$3.06M
BKNG icon
18
Booking.com
BKNG
$161B
$2.45M 0.29%
14,525
-24,950
-63% -$4.59M
CPRT icon
19
Copart
CPRT
$27.4B
$2.29M 0.27%
68,854
-68,960
-50% -$2.59M
GGG icon
20
Graco
GGG
$13.5B
$2.22M 0.27%
26,277
-57,093
-68% -$5.06M
ADP icon
21
Automatic Data Processing
ADP
$108B
$2.19M 0.26%
10,776
-14,285
-57% -$3.28M
CME icon
22
CME Group
CME
$95.6B
$2.12M 0.25%
7,170
-16,656
-70% -$4.95M
MCO icon
23
Moody's
MCO
$82.6B
$2.06M 0.25%
4,732
-9,232
-66% -$4.37M
V icon
24
Visa
V
$680B
$1.75M 0.21%
5,796
-11,459
-66% -$3.68M

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LSA
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VCM
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AI
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ACM
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M
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AGA
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AWG
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Seilern Investment Management's Q1 2026 Portfolio in Review

As of Q1 2026, Seilern Investment Management held 24 positions worth $838M, down 35% from $1.29B the previous quarter. Its ten largest holdings account for 71% of the portfolio.

Seilern Investment Management withdrew a net $263M in Q1 2026, reducing 22 holdings. Its largest reduction was Mettler-Toledo International, cutting an estimated $41.2M.

By sector, the portfolio is most concentrated in Healthcare at 48% of assets, up from 47% a quarter earlier, followed by Technology and Financials.

Against the trend, Seilern Investment Management added an estimated $11.6M to Tyler Technologies.

  • Seilern Investment Management added most to Tyler Technologies in Q1 2026, an estimated $11.6M increase.
  • Seilern Investment Management's biggest Q1 2026 reduction was Mettler-Toledo International, cutting an estimated $41.2M.
  • Seilern Investment Management's ten largest holdings make up 71% of its $838M portfolio in Q1 2026.
  • Seilern Investment Management opened 0 new positions and closed 0 in Q1 2026.
  • Seilern Investment Management's portfolio value fell 35% quarter-over-quarter to $838M.

Based on Seilern Investment Management's 13F filing for Q1 2026, filed 7 Apr 2026.