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William E. Oberndorf Portfolio holdings

AUM $53.3M
1-Year Est. Return 10.89%
This Fund
S&P 500
This Quarter Est. Return
-4.4%
1 Year Est. Return
-10.89%
3 Year Est. Return
+38.42%
5 Year Est. Return
-19.91%
10 Year Est. Return
+517.5%
AUM
$74.2M
AUM Growth
-$16.3M
Cap. Flow
-$9.56M
Cap. Flow %
-12.88%
Top 10 Hldgs %
100%
Holding
9
New
1
Increased
2
Reduced
1
Closed
2

Top Buys

Rank Stock Value
1
UNH icon
UnitedHealth
UNH
+$10.8M
2
PHYS icon
Sprott Physical Gold
PHYS
+$1.62M
3
MNDY icon
monday.com
MNDY
+$1.4M

Top Sells

Rank Stock Value
1
DDOG icon
Datadog
DDOG
+$11.2M
2
GOOG icon
Alphabet (Google) Class C
GOOG
+$9.1M
3
TEAM icon
Atlassian
TEAM
+$3.08M

Sector Composition

Rank Sector Weight
1 Technology 43.97%
2 Healthcare 31.5%
3 Consumer Discretionary 15.67%
4 Communication Services 0%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MNDY icon
1
monday.com
MNDY
$3.82B
$13.6M 18.31%
70,120
+6,084
+10% +$1.4M
ADSK icon
2
Autodesk
ADSK
$51.8B
$13.4M 18.04%
42,124
– –
UNH icon
3
UnitedHealth
UNH
$382B
$12.3M 16.55%
+35,553
New +$10.8M
AMZN icon
4
Amazon
AMZN
$2.44T
$11.6M 15.67%
52,928
– –
VEEV icon
5
Veeva Systems
VEEV
$33.8B
$11.1M 14.95%
37,224
– –
PHYS icon
6
Sprott Physical Gold
PHYS
$14.6B
$6.58M 8.87%
222,164
+61,090
+38% +$1.62M
TEAM icon
7
Atlassian
TEAM
$26.5B
$5.65M 7.62%
35,394
-16,998
-32% -$3.08M
DDOG icon
8
Datadog
DDOG
$94B
– –
-83,094
Closed -$11.2M
GOOG icon
9
Alphabet (Google) Class C
GOOG
$4.11T
– –
-51,273
Closed -$9.1M

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ETCM
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TP
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GMEI
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MCM
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FRGX
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BCM
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ICM
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William E. Oberndorf's Q3 2025 Portfolio in Review

As of Q3 2025, William E. Oberndorf held 9 positions worth $74.2M, down 18% from $90.5M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

William E. Oberndorf withdrew a net $9.56M in Q3 2025, closing 2 positions and reducing 1 holding. Its most notable exit was Datadog, an estimated $11.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 44% of assets, down from 61% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, William E. Oberndorf opened a new position in UnitedHealth worth $12.3M.

  • William E. Oberndorf's largest Q3 2025 buy was UnitedHealth: 35,553 shares worth $12.3M.
  • William E. Oberndorf added most to Sprott Physical Gold in Q3 2025, an estimated $1.62M increase.
  • William E. Oberndorf's biggest Q3 2025 reduction was Atlassian, cutting an estimated $3.08M.
  • William E. Oberndorf fully exited Datadog in Q3 2025, selling an estimated $11.2M.
  • William E. Oberndorf's ten largest holdings make up 100% of its $74.2M portfolio in Q3 2025.
  • William E. Oberndorf opened 1 new position and closed 2 in Q3 2025.
  • William E. Oberndorf's portfolio value fell 18% quarter-over-quarter to $74.2M.

Based on William E. Oberndorf's 13F filing for Q3 2025, filed 13 Nov 2025.