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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
+4.69%
1 Year Est. Return
-6.63%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$1.38B
AUM Growth
-$132M
Cap. Flow
-$206M
Cap. Flow %
-14.92%
Top 10 Hldgs %
72.48%
Holding
22
New
–
Increased
7
Reduced
15
Closed
–

Top Buys

Rank Stock Value
1
CME icon
CME Group
CME
+$43.5M
2
ISRG icon
Intuitive Surgical
ISRG
+$10.4M
3
ZTS icon
Zoetis
ZTS
+$1.46M
4
ADSK icon
Autodesk
ADSK
+$498K
5
ADP icon
Automatic Data Processing
ADP
+$87.6K

Top Sells

Rank Stock Value
1
CDNS icon
Cadence Design Systems
CDNS
+$73.8M
2
IDXX icon
Idexx Laboratories
IDXX
+$43M
3
MSFT icon
Microsoft
MSFT
+$34M
4
WST icon
West Pharmaceutical
WST
+$25.4M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$21.3M

Sector Composition

Rank Sector Weight
1 Healthcare 45.4%
2 Technology 30.57%
3 Financials 15.06%
4 Communication Services 7.69%
5 Consumer Discretionary 0.71%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
UNH icon
1
UnitedHealth
UNH
$367B
$133M 9.63%
385,720
-6,961
-2% -$2.11M
MSFT icon
2
Microsoft
MSFT
$3.71T
$132M 9.53%
254,544
-66,712
-21% -$34M
MA icon
3
Mastercard
MA
$505B
$129M 9.31%
226,438
-35,145
-13% -$20.2M
GOOGL icon
4
Alphabet (Google) Class A
GOOGL
$4.38T
$106M 7.69%
437,529
-101,780
-19% -$21.3M
IDXX icon
5
Idexx Laboratories
IDXX
$46.5B
$90.3M 6.52%
141,276
-70,900
-33% -$43M
VEEV icon
6
Veeva Systems
VEEV
$35.4B
$87.6M 6.33%
294,189
-41,860
-12% -$11.8M
WST icon
7
West Pharmaceutical
WST
$24.5B
$85.8M 6.2%
326,957
-104,604
-24% -$25.4M
ADBE icon
8
Adobe
ADBE
$103B
$83.6M 6.04%
236,993
-1,159
-0.5% -$416K
EW icon
9
Edwards Lifesciences
EW
$51.5B
$82.1M 5.93%
1,055,774
-183,101
-15% -$14.3M
MTD icon
10
Mettler-Toledo International
MTD
$28.5B
$73.2M 5.29%
59,665
-4,623
-7% -$5.79M
TYL icon
11
Tyler Technologies
TYL
$12.5B
$71.4M 5.16%
136,534
-8,979
-6% -$5.04M
ADSK icon
12
Autodesk
ADSK
$51.2B
$69.5M 5.03%
218,905
+1,633
+0.8% +$498K
CME icon
13
CME Group
CME
$95B
$65.8M 4.75%
187,240
+159,930
+586% +$43.5M
ISRG icon
14
Intuitive Surgical
ISRG
$132B
$65.4M 4.73%
146,235
+21,724
+17% +$10.4M
ACN icon
15
Accenture
ACN
$105B
$49.1M 3.55%
199,022
-15,041
-7% -$3.92M
ZTS icon
16
Zoetis
ZTS
$32.4B
$10.6M 0.76%
72,310
+9,673
+15% +$1.46M
ADP icon
17
Automatic Data Processing
ADP
$109B
$10M 0.72%
34,140
+291
+0.9% +$87.6K
BKNG icon
18
Booking.com
BKNG
$156B
$9.83M 0.71%
45,525
-1,700
-4% -$380K
GGG icon
19
Graco
GGG
$13.5B
$7.84M 0.57%
92,263
+786
+0.9% +$67.2K
CDNS icon
20
Cadence Design Systems
CDNS
$93.2B
$7.44M 0.54%
27,544
-214,636
-89% -$73.8M
MCO icon
21
Moody's
MCO
$81.9B
$7.05M 0.51%
14,790
-1,967
-12% -$992K
V icon
22
Visa
V
$692B
$6.8M 0.49%
19,931
+170
+0.9% +$58.8K

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VCM
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ACM
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AGA
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AWG
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Seilern Investment Management's Q3 2025 Portfolio in Review

As of Q3 2025, Seilern Investment Management held 22 positions worth $1.38B, down 8.7% from $1.52B the previous quarter. Its ten largest holdings account for 72% of the portfolio.

Seilern Investment Management withdrew a net $206M in Q3 2025, reducing 15 holdings. Its largest reduction was Cadence Design Systems, cutting an estimated $73.8M.

By sector, the portfolio is most concentrated in Healthcare at 45% of assets, up from 45% a quarter earlier, followed by Technology and Financials.

Against the trend, Seilern Investment Management added an estimated $43.5M to CME Group.

  • Seilern Investment Management added most to CME Group in Q3 2025, an estimated $43.5M increase.
  • Seilern Investment Management's biggest Q3 2025 reduction was Cadence Design Systems, cutting an estimated $73.8M.
  • Seilern Investment Management's ten largest holdings make up 72% of its $1.38B portfolio in Q3 2025.
  • Seilern Investment Management opened 0 new positions and closed 0 in Q3 2025.
  • Seilern Investment Management's portfolio value fell 8.7% quarter-over-quarter to $1.38B.

Based on Seilern Investment Management's 13F filing for Q3 2025, filed 14 Oct 2025.