William John Sempolinski

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed August 26, 2026), William John Sempolinski reported 93 stock positions worth $199.2 million. Its top holding was Nvidia (NVDA) at 22.3% of the portfolio, followed by Apple (AAPL, 9.8%) and T Rowe Price Ultra Short-Ter (TBUX, 6.4%). Compared with Q4 2025, it opened 10 new positions, sold out of 6, added to 45 and reduced 19. The biggest buy was a new position in Avantis Emerging Markets Eq (AVEM) and the biggest sale an exit from iShares Expanded Tech-Softwa (IGV).

Most Recent 13F
Q2 2026
Location
EASTON, MA
CIK
0002149024
Portfolio Value
$199.2M (Q1 2026)
SEC Filing
0001951757-26-001607 ↗ filed Aug 26, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q4 2025: $203.2M Q4 2025 Q1 2026: $199.2M $199.2M Q1 2026 Q2 2026: $247.7M Q2 2026

Holdings 93 stocks · $199.2M
NVDA Nvidia Corp. 22.29% 254,540 $44.4M Add +0.3%
AAPL Apple Inc. 9.79% 76,784 $19.5M Add +5.6%
TBUX T Rowe Price Ultra Short-Ter 6.39% 255,877 $12.7M Add +11.5%
SGOV iShares 0-3 Month Treasury B 4.12% 81,515 $8.2M Reduce -2.0%
MSFT Microsoft Corp. 3.16% 16,990 $6.3M Reduce -3.8%
GOOGL Alphabet Inc. Class A 3.09% 21,412 $6.2M Add +4.9%
AMZN Amazon.com Inc. 2.73% 26,149 $5.4M Reduce -0.1%
CGDV Cap Group Dividend Value filed as CAPITAL GROUP DIVIDEND VALUE 2.60% 121,570 $5.2M Add +24.5%
ITA iShares U.S. Aerospace & Def 2.31% 21,058 $4.6M Add +7.9%
MOAT Vaneck Morningstar Wide Moat 2.06% 42,464 $4.1M Add +3.3%
QUAL iShares MSCI USA Quality Fac 1.88% 19,468 $3.7M Add +5.4%
META Meta Platforms Inc. Class A 1.67% 5,815 $3.3M Reduce -1.4%
NOBL Proshares S&P 500 Dividend A 1.61% 30,242 $3.2M Add +0.2%
GRID First TRST Nasd Class Edg Sgiif 1.37% 16,640 $2.7M Add +52.9%
TLT iShares 20+ Year Treasury BD 1.28% 29,460 $2.6M Reduce -4.9%
FIW First Trust Water ETF 1.26% 24,379 $2.5M Add +2.6%
IVLU iShares MSCI International V 1.19% 59,927 $2.4M Add +111.7%
SOXX iShares Semiconductor ETF 1.17% 7,106 $2.3M Add +42.5%
SHW The Sherwin-Williams Co. 1.15% 7,166 $2.3M Add +1.3%
ITB iShares U.S. Home Constructi 1.14% 25,072 $2.3M Add +18.7%
JXN Jackson Financial Inc. Class A 1.13% 21,200 $2.2M No change
EFA iShares MSCI Eafe ETF 1.03% 21,215 $2.1M Add +0.1%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.95% 7,830 $1.9M Reduce -18.7%
TCAF T Rowe PRC Cap Appreciation 0.95% 53,067 $1.9M Add +0.3%
O Realty Income Corp. 0.94% 30,750 $1.9M Add +2.3%
AVEM Avantis Emerging Markets Eq 0.89% 21,983 $1.8M New
RKLB Rocket Lab Corp. 0.86% 26,550 $1.7M Reduce -11.8%
CGBL Cap Group Core Balanced filed as CAPITAL GROUP CORE BALANCED 0.76% 44,230 $1.5M Add +50.3%
TOTL SS Doubleline TR Tact ETF 0.76% 37,995 $1.5M New
RTX RTX Corp. 0.71% 7,352 $1.4M Reduce -1.1%
IJR iShares Core S&P Small-Cap E 0.70% 11,233 $1.4M Add +1.5%
GOOG Alphabet Inc. Class C 0.66% 4,584 $1.3M Add +48.6%
CAT Caterpillar Inc. 0.65% 1,830 $1.3M Add +12.3%
QS Quantumscape Corp. 0.62% 193,100 $1.2M Add +3.5%
BRK.B Berkshire Hathaway Inc. Class B 0.60% 2,500 $1.2M Add +201.2%
INDB Independent Bank Corp. 0.60% 15,889 $1.2M Reduce -7.6%
IWM iShares Russell 2000 ETF 0.60% 4,818 $1.2M Add +0.5%
WMT Walmart Inc. 0.60% 9,591 $1.2M Add +6.1%
PFF iShares Preferred & Income S 0.59% 38,824 $1.2M Reduce -11.0%
TSM Taiwan Semiconductor-SP ADR 0.57% 3,360 $1.1M Add +187.2%
NGG National Grid PLC-SP ADR 0.56% 13,210 $1.1M Add +9.4%
V Visa Inc. Class A 0.55% 3,600 $1.1M Add +33.3%
KMI Kinder Morgan Inc. 0.49% 29,115 $976K Reduce -5.6%
PYLD PIMCO Multisector Bond Actv 0.48% 36,600 $959K Add +15.5%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.47% 710 $938K No change
AVGO Broadcom Inc. 0.46% 2,985 $924K Add +97.7%
IGM iShares Expanded Tech Sector 0.43% 7,205 $854K New
CCL Carnival Corp. 0.43% 32,890 $851K Reduce -11.1%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.39% 16,026 $781K Add +21.3%
VIG Vanguard Dividend Apprec ETF 0.38% 3,518 $757K Add +12.8%
CFG Citizens Financial Group 0.38% 12,518 $751K Reduce -28.5%
PLTR Palantir Technologies Inc. Class A 0.37% 5,090 $745K Reduce -23.9%
IMTM iShares MSCI Intl Momentum F 0.33% 13,744 $660K Add +23.3%
VTI VG Morningstar TS MKT ETF-US 0.32% 1,969 $632K No change
GLW Corning Inc. 0.31% 4,510 $613K New
STWD Starwood Property Trust Inc. 0.30% 35,177 $606K No change
GE General Electric filed as GE AEROSPACE 0.29% 2,056 $583K No change
AGG iShares Core U.S. Aggregate 0.28% 5,618 $558K Reduce -1.6%
BSV Vanguard Short-Term Bond ETF 0.26% 6,691 $525K No change
VCSH Vanguard S/T Corp. Bond ETF 0.24% 6,030 $478K No change
ENB Enbridge Inc. 0.22% 8,102 $439K No change
LYG Lloyds Banking Group PLC-ADR 0.22% 86,232 $434K Reduce -8.4%
CGHM Cap Group Muni High-Income 0.21% 16,500 $418K Add +20.4%
AMAT Applied Materials Inc. 0.20% 1,168 $399K No change
PRU Prudential Financial Inc. 0.20% 4,000 $391K Reduce -4.8%
NBIS Nebius Group NV 0.20% 3,750 $389K Add +11.9%
LMT Lockheed Martin Corp. 0.18% 603 $364K New
LLY Eli Lilly & Co. 0.18% 388 $357K Reduce -11.4%
JNJ Johnson & Johnson 0.18% 1,431 $350K Add +7.5%
COST Costco Wholesale Corp. 0.18% 350 $349K Add +16.7%
IEFA iShares Core MSCI Eafe ETF 0.17% 3,850 $349K Add +67.4%
JPM JPMorgan Chase & Co. 0.16% 1,116 $328K No change
RSP Invesco S&P 500 Equal Weight 0.16% 1,704 $327K Add +3.0%
MPLX MPLX LP 0.16% 5,539 $316K Add +14.5%
VOO Vanguard S&P 500 ETF 0.15% 503 $300K Add +37.8%
HD Home Depot Inc. 0.15% 900 $296K Add +0.8%
C Citigroup Inc. 0.14% 2,500 $284K No change
ARM Arm Holdings PLC-ADR 0.14% 1,802 $273K New
RIO Rio Tinto PLC-Spon ADR 0.14% 2,901 $271K No change
DUK Duke Energy Corp. 0.13% 2,020 $264K Add +13.5%
STX Seagate Technology Holdings 0.13% 675 $264K New
MU Micron Technology Inc. 0.13% 760 $257K New
XOM Exxon Mobil Corp. 0.13% 1,509 $256K New
EVSB Eaton Vance Ult-SHRT Income 0.13% 5,000 $254K No change
SO The Southern Co. 0.12% 2,488 $240K No change
DAL Delta Air Lines Inc. 0.12% 3,500 $233K No change
GD General Dynamics Corp. 0.11% 662 $227K Add +10.3%
CRWV Coreweave Inc. Class A 0.11% 2,850 $221K Reduce -9.5%
IBB iShares Biotechnology ETF 0.11% 1,266 $214K No change
MTUM iShares MSCI USA Momentum Fa 0.11% 879 $211K No change
ORCL Oracle Corp. 0.10% 1,400 $206K New
ABAT American Battery Technology 0.03% 24,200 $68K No change
ACHR Archer Aviation Inc. Class A 0.03% 10,000 $52K No change

Portfolio Sells Q4 2025 → Q1 2026
IGV iShares Expanded Tech-Softwa Sold out 0.00% −2.02
SKYY First Trust Cloud Computing Sold out 0.00% −1.47
MSFT Microsoft Corp. Reduce -3.8% 3.16% −1.04
BX Blackstone Inc. Sold out 0.00% −0.99
GRAL Grail Inc. Sold out 0.00% −0.76
IBM Intl Business Machines Corp. Reduce -18.7% 0.95% −0.45
META Meta Platforms Inc. Class A Reduce -1.4% 1.67% −0.25
AMZN Amazon.com Inc. Reduce -0.1% 2.73% −0.24
PLTR Palantir Technologies Inc. Class A Reduce -23.9% 0.37% −0.21
RKLB Rocket Lab Corp. Reduce -11.8% 0.86% −0.18
CCL Carnival Corp. Reduce -11.1% 0.43% −0.13
CFG Citizens Financial Group Reduce -28.5% 0.38% −0.13
BNDX Vanguard Total Intl Bond ETF Sold out 0.00% −0.11
PFF iShares Preferred & Income S Reduce -11.0% 0.59% −0.07
LLY Eli Lilly & Co. Reduce -11.4% 0.18% −0.05
TLT iShares 20+ Year Treasury BD Reduce -4.9% 1.28% −0.05
PRU Prudential Financial Inc. Reduce -4.8% 0.20% −0.04
LYG Lloyds Banking Group PLC-ADR Reduce -8.4% 0.22% −0.03
RXRX Recursion Pharmaceuticals-A Sold out 0.00% −0.03
INDB Independent Bank Corp. Reduce -7.6% 0.60% −0.02
AGG iShares Core U.S. Aggregate Reduce -1.6% 0.28% −0.00
CRWV Coreweave Inc. Class A Reduce -9.5% 0.11% −0.00
SGOV iShares 0-3 Month Treasury B Reduce -2.0% 4.12% +0.01
RTX RTX Corp. Reduce -1.1% 0.71% +0.04
KMI Kinder Morgan Inc. Reduce -5.6% 0.49% +0.07

Portfolio Buys Q4 2025 → Q1 2026
AVEM Avantis Emerging Markets Eq New 0.89% +0.89
TBUX T Rowe Price Ultra Short-Ter Add +11.5% 6.39% +0.76
TOTL SS Doubleline TR Tact ETF New 0.76% +0.76
IVLU iShares MSCI International V Add +111.7% 1.19% +0.66
GRID First TRST Nasd Class Edg Sgiif Add +52.9% 1.37% +0.55
CGDV Cap Group Dividend Value Add +24.5% 2.60% +0.50
SOXX iShares Semiconductor ETF Add +42.5% 1.17% +0.43
IGM iShares Expanded Tech Sector New 0.43% +0.43
BRK.B Berkshire Hathaway Inc. Class B Add +201.2% 0.60% +0.40
TSM Taiwan Semiconductor-SP ADR Add +187.2% 0.57% +0.40
GLW Corning Inc. New 0.31% +0.31
CGBL Cap Group Core Balanced Add +50.3% 0.76% +0.25
ITA iShares U.S. Aerospace & Def Add +7.9% 2.31% +0.25
AVGO Broadcom Inc. Add +97.7% 0.46% +0.21
CAT Caterpillar Inc. Add +12.3% 0.65% +0.19
GOOG Alphabet Inc. Class C Add +48.6% 0.66% +0.18
LMT Lockheed Martin Corp. New 0.18% +0.18
ITB iShares U.S. Home Constructi Add +18.7% 1.14% +0.14
ARM Arm Holdings PLC-ADR New 0.14% +0.14
STX Seagate Technology Holdings New 0.13% +0.13
MU Micron Technology Inc. New 0.13% +0.13
XOM Exxon Mobil Corp. New 0.13% +0.13
O Realty Income Corp. Add +2.3% 0.94% +0.11
ORCL Oracle Corp. New 0.10% +0.10
WMT Walmart Inc. Add +6.1% 0.60% +0.10
NGG National Grid PLC-SP ADR Add +9.4% 0.56% +0.10
V Visa Inc. Class A Add +33.3% 0.55% +0.08
IEFA iShares Core MSCI Eafe ETF Add +67.4% 0.17% +0.07
QUAL iShares MSCI USA Quality Fac Add +5.4% 1.88% +0.07
IMTM iShares MSCI Intl Momentum F Add +23.3% 0.33% +0.07
PYLD PIMCO Multisector Bond Actv Add +15.5% 0.48% +0.07
NOBL Proshares S&P 500 Dividend A Add +0.2% 1.61% +0.06
AAPL Apple Inc. Add +5.6% 9.79% +0.06
NBIS Nebius Group NV Add +11.9% 0.20% +0.06
COST Costco Wholesale Corp. Add +16.7% 0.18% +0.05
IJR iShares Core S&P Small-Cap E Add +1.5% 0.70% +0.05
VIG Vanguard Dividend Apprec ETF Add +12.8% 0.38% +0.04
JNJ Johnson & Johnson Add +7.5% 0.18% +0.04
VOO Vanguard S&P 500 ETF Add +37.8% 0.15% +0.04
CGHM Cap Group Muni High-Income Add +20.4% 0.21% +0.04
BAC Bank of America Corp. Add +21.3% 0.39% +0.03
EFA iShares MSCI Eafe ETF Add +0.1% 1.03% +0.03
MPLX MPLX LP Add +14.5% 0.16% +0.03
DUK Duke Energy Corp. Add +13.5% 0.13% +0.03
SHW The Sherwin-Williams Co. Add +1.3% 1.15% +0.03
IWM iShares Russell 2000 ETF Add +0.5% 0.60% +0.02
GD General Dynamics Corp. Add +10.3% 0.11% +0.01
RSP Invesco S&P 500 Equal Weight Add +3.0% 0.16% +0.01
HD Home Depot Inc. Add +0.8% 0.15% −0.00
FIW First Trust Water ETF Add +2.6% 1.26% −0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 106$247.7MNVDA, AAPL, TBUX, CGDV, SGOV
Q1 2026 93$199.2MNVDA, AAPL, TBUX, SGOV, MSFT
Q4 2025 89$203.2MNVDA, AAPL, TBUX, MSFT, SGOV