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WJS

William John Sempolinski Portfolio holdings

AUM $248M
This Fund
S&P 500
This Quarter Est. Return
+19.69%
1 Year Est. Return
–
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$248M
AUM Growth
+$48.5M
Cap. Flow
+$18.8M
Cap. Flow %
7.57%
Top 10 Hldgs %
54.64%
Holding
110
New
17
Increased
32
Reduced
30
Closed
4

Top Buys

Rank Stock Value
1
SMH icon
VanEck Semiconductor ETF
SMH
+$4.3M
2
CGDV icon
Capital Group Dividend Value ETF
CGDV
+$3.31M
3
TBUX icon
T. Rowe Price Ultra Short-Term Bond ETF
TBUX
+$2.97M
4
GARP
iShares MSCI USA Quality GARP ETF
GARP
+$1.78M
5
IGM icon
iShares Expanded Tech Sector ETF
IGM
+$1.69M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$1.48M
2
IBM icon
IBM
IBM
+$751K
3
PLTR icon
Palantir
PLTR
+$745K
4
NVDA icon
NVIDIA
NVDA
+$568K
5
PFF icon
iShares Preferred and Income Securities ETF
PFF
+$484K

Sector Composition

Rank Sector Weight
1 Miscellaneous 42.19%
2 Technology 36.02%
3 Communication Services 5.47%
4 Financials 3.93%
5 Consumer Discretionary 3.72%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CARR icon
101
Carrier Global
CARR
$45.7B
$224K 0.09%
+3,057
New +$200K
GD icon
102
General Dynamics
GD
$89.9B
$213K 0.09%
600
-62
-9% -$21.2K
XOM icon
103
ExxonMobil
XOM
$663B
$206K 0.08%
1,509
– –
QQQ icon
104
Invesco QQQ Trust
QQQ
$495B
$206K 0.08%
+280
New +$193K
PANW icon
105
Palo Alto Networks
PANW
$318B
$205K 0.08%
+600
New +$137K
LAES icon
106
SEALSQ Corp
LAES
$522M
$125K 0.05%
+39,700
New +$118K
ABAT icon
107
American Battery Technology Co
ABAT
$312M
– –
-24,200
Closed -$67.5K
ACHR icon
108
Archer Aviation
ACHR
$3.9B
– –
-10,000
Closed -$51.7K
ORCL icon
109
Oracle
ORCL
$418B
– –
-1,400
Closed -$206K
PLTR icon
110
Palantir
PLTR
$449B
– –
-5,090
Closed -$745K
1 2 3 4
5

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William John Sempolinski's Q2 2026 Portfolio in Review

As of Q2 2026, William John Sempolinski held 110 positions worth $248M, up 24% from $199M the previous quarter. Its ten largest holdings account for 55% of the portfolio.

William John Sempolinski deployed $18.8M of net new capital in Q2 2026, opening 17 new positions and adding to 32 existing holdings. Its largest new stake was VanEck Semiconductor ETF: 7,882 shares worth $5.17M.

By sector, the portfolio is most concentrated in Miscellaneous at 42% of assets, up from 38% a quarter earlier, followed by Technology and Communication Services.

On the sell side, the largest reduction was Microsoft, an estimated $1.48M trimmed.

  • William John Sempolinski's largest Q2 2026 buy was VanEck Semiconductor ETF: 7,882 shares worth $5.17M.
  • William John Sempolinski added most to Capital Group Dividend Value ETF in Q2 2026, an estimated $3.31M increase.
  • William John Sempolinski's biggest Q2 2026 reduction was Microsoft, cutting an estimated $1.48M.
  • William John Sempolinski fully exited Palantir in Q2 2026, selling an estimated $745K.
  • William John Sempolinski's ten largest holdings make up 55% of its $248M portfolio in Q2 2026.
  • William John Sempolinski opened 17 new positions and closed 4 in Q2 2026.
  • William John Sempolinski's portfolio value rose 24% quarter-over-quarter to $248M.

Based on William John Sempolinski's 13F filing for Q2 2026, filed 14 Aug 2026.